ffs-editor: src/cs/drivers/drv_app/ffs/board/win32/getopt.c annotate

annotate src/cs/drivers/drv_app/ffs/board/win32/getopt.c @ 27:cb3f6fe694e1 default tip

README: document SE K2x0 addition

author	Mychaela Falconia <falcon@freecalypso.org>
date	Thu, 21 Dec 2023 21:44:43 +0000
parents	92470e5d0b9e
children

rev	line source
0 92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1 /* Getopt for GNU.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2 NOTE: getopt is now part of the C library, so if you don't know what
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	3 "Keep this file name-space clean" means, talk to drepper@gnu.org
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	4 before changing it!
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	5
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	6 Copyright (C) 1987, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	7 Free Software Foundation, Inc.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	8
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	9 NOTE: The canonical source of this file is maintained with the GNU C Library.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	10 Bugs can be reported to bug-glibc@gnu.org.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	11
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	12 This program is free software; you can redistribute it and/or modify it
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	13 under the terms of the GNU General Public License as published by the
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	14 Free Software Foundation; either version 2, or (at your option) any
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	15 later version.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	16
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	17 This program is distributed in the hope that it will be useful,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	18 but WITHOUT ANY WARRANTY; without even the implied warranty of
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	20 GNU General Public License for more details.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	21
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	22 You should have received a copy of the GNU General Public License
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	23 along with this program; if not, write to the Free Software
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	24 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	25 USA. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	26
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	27 /* This tells Alpha OSF/1 not to define a getopt prototype in <stdio.h>.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	28 Ditto for AIX 3.2 and <stdlib.h>. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	29 #ifndef _NO_PROTO
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	30 # define _NO_PROTO
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	31 #endif
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	32
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	33 #ifdef HAVE_CONFIG_H
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	34 # include <config.h>
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	35 #endif
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	36
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	37 #if !defined __STDC__ \|\| !__STDC__
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	38 /* This is a separate conditional since some stdc systems
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	39 reject `defined (const)'. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	40 # ifndef const
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	41 # define const
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	42 # endif
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	43 #endif
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	44
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	45 #include <stdio.h>
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	46
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	47 /* Comment out all this code if we are using the GNU C Library, and are not
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	48 actually compiling the library itself. This code is part of the GNU C
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	49 Library, but also included in many other GNU distributions. Compiling
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	50 and linking in this code is a waste when using the GNU C library
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	51 (especially if it is a shared library). Rather than having every GNU
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	52 program understand `configure --with-gnu-libc' and omit the object files,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	53 it is simpler to just do this in the source for each such file. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	54
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	55 #define GETOPT_INTERFACE_VERSION 2
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	56 #if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	57 # include <gnu-versions.h>
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	58 # if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	59 # define ELIDE_CODE
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	60 # endif
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	61 #endif
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	62
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	63 #ifndef ELIDE_CODE
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	64
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	65
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	66 /* This needs to come after some library #include
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	67 to get __GNU_LIBRARY__ defined. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	68 #ifdef __GNU_LIBRARY__
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	69 /* Don't include stdlib.h for non-GNU C libraries because some of them
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	70 contain conflicting prototypes for getopt. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	71 # include <stdlib.h>
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	72 # include <unistd.h>
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	73 #endif /* GNU C library. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	74
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	75 #ifdef VMS
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	76 # include <unixlib.h>
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	77 # if HAVE_STRING_H - 0
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	78 # include "string.h"
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	79 # endif
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	80 #endif
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	81
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	82 #ifndef _
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	83 /* This is for other GNU distributions with internationalized messages.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	84 When compiling libc, the _ macro is predefined. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	85 # ifdef HAVE_LIBINTL_H
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	86 # include <libintl.h>
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	87 # define _(msgid) gettext (msgid)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	88 # else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	89 # define _(msgid) (msgid)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	90 # endif
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	91 #endif
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	92
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	93 /* This version of `getopt' appears to the caller like standard Unix `getopt'
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	94 but it behaves differently for the user, since it allows the user
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	95 to intersperse the options with the other arguments.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	96
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	97 As `getopt' works, it permutes the elements of ARGV so that,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	98 when it is done, all the options precede everything else. Thus
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	99 all application programs are extended to handle flexible argument order.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	100
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	101 Setting the environment variable POSIXLY_CORRECT disables permutation.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	102 Then the behavior is completely standard.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	103
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	104 GNU application programs can use a third alternative mode in which
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	105 they can distinguish the relative order of options and other arguments. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	106
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	107 #include "getopt.h"
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	108
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	109 /* For communication from `getopt' to the caller.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	110 When `getopt' finds an option that takes an argument,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	111 the argument value is returned here.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	112 Also, when `ordering' is RETURN_IN_ORDER,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	113 each non-option ARGV-element is returned here. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	114
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	115 char *optarg = NULL;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	116
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	117 /* Index in ARGV of the next element to be scanned.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	118 This is used for communication to and from the caller
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	119 and for communication between successive calls to `getopt'.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	120
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	121 On entry to `getopt', zero means this is the first call; initialize.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	122
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	123 When `getopt' returns -1, this is the index of the first of the
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	124 non-option elements that the caller should itself scan.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	125
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	126 Otherwise, `optind' communicates from one call to the next
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	127 how much of ARGV has been scanned so far. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	128
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	129 /* 1003.2 says this must be 1 before any call. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	130 int optind = 1;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	131
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	132 /* Formerly, initialization of getopt depended on optind==0, which
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	133 causes problems with re-calling getopt as programs generally don't
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	134 know that. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	135
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	136 int __getopt_initialized = 0;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	137
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	138 /* The next char to be scanned in the option-element
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	139 in which the last option character we returned was found.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	140 This allows us to pick up the scan where we left off.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	141
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	142 If this is zero, or a null string, it means resume the scan
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	143 by advancing to the next ARGV-element. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	144
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	145 static char *nextchar;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	146
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	147 /* Callers store zero here to inhibit the error message
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	148 for unrecognized options. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	149
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	150 int opterr = 1;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	151
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	152 /* Set to an option character which was unrecognized.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	153 This must be initialized on some systems to avoid linking in the
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	154 system's own getopt implementation. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	155
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	156 int optopt = '?';
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	157
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	158 /* Describe how to deal with options that follow non-option ARGV-elements.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	159
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	160 If the caller did not specify anything,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	161 the default is REQUIRE_ORDER if the environment variable
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	162 POSIXLY_CORRECT is defined, PERMUTE otherwise.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	163
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	164 REQUIRE_ORDER means don't recognize them as options;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	165 stop option processing when the first non-option is seen.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	166 This is what Unix does.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	167 This mode of operation is selected by either setting the environment
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	168 variable POSIXLY_CORRECT, or using `+' as the first character
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	169 of the list of option characters.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	170
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	171 PERMUTE is the default. We permute the contents of ARGV as we scan,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	172 so that eventually all the non-options are at the end. This allows options
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	173 to be given in any order, even with programs that were not written to
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	174 expect this.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	175
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	176 RETURN_IN_ORDER is an option available to programs that were written
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	177 to expect options and other ARGV-elements in any order and that care about
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	178 the ordering of the two. We describe each non-option ARGV-element
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	179 as if it were the argument of an option with character code 1.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	180 Using `-' as the first character of the list of option characters
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	181 selects this mode of operation.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	182
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	183 The special argument `--' forces an end of option-scanning regardless
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	184 of the value of `ordering'. In the case of RETURN_IN_ORDER, only
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	185 `--' can cause `getopt' to return -1 with `optind' != ARGC. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	186
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	187 static enum
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	188 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	189 REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	190 } ordering;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	191
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	192 /* Value of POSIXLY_CORRECT environment variable. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	193 static char *posixly_correct;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	194
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	195 #ifdef __GNU_LIBRARY__
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	196 /* We want to avoid inclusion of string.h with non-GNU libraries
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	197 because there are many ways it can cause trouble.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	198 On some systems, it contains special magic macros that don't work
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	199 in GCC. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	200 # include "string.h"
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	201 # define my_index strchr
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	202 #else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	203
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	204 # if HAVE_STRING_H
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	205 # include <string.h>
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	206 # else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	207 # include "strings.h"
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	208 # endif
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	209
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	210 /* Avoid depending on library functions or files
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	211 whose names are inconsistent. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	212
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	213 #ifndef getenv
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	214 extern char *getenv ();
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	215 #endif
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	216
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	217 static char *
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	218 my_index (str, chr)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	219 const char *str;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	220 int chr;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	221 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	222 while (*str)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	223 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	224 if (*str == chr)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	225 return (char *) str;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	226 str++;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	227 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	228 return 0;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	229 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	230
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	231 /* If using GCC, we can safely declare strlen this way.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	232 If not using GCC, it is ok not to declare it. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	233 #ifdef __GNUC__
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	234 /* Note that Motorola Delta 68k R3V7 comes with GCC but not stddef.h.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	235 That was relevant to code that was here before. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	236 # if (!defined __STDC__ \|\| !__STDC__) && !defined strlen
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	237 /* gcc with -traditional declares the built-in strlen to return int,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	238 and has done so at least since version 2.4.5. -- rms. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	239 extern int strlen (const char *);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	240 # endif /* not __STDC__ */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	241 #endif /* __GNUC__ */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	242
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	243 #endif /* not __GNU_LIBRARY__ */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	244
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	245 /* Handle permutation of arguments. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	246
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	247 /* Describe the part of ARGV that contains non-options that have
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	248 been skipped. `first_nonopt' is the index in ARGV of the first of them;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	249 `last_nonopt' is the index after the last of them. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	250
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	251 static int first_nonopt;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	252 static int last_nonopt;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	253
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	254 #ifdef _LIBC
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	255 /* Bash 2.0 gives us an environment variable containing flags
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	256 indicating ARGV elements that should not be considered arguments. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	257
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	258 /* Defined in getopt_init.c */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	259 extern char *__getopt_nonoption_flags;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	260
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	261 static int nonoption_flags_max_len;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	262 static int nonoption_flags_len;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	263
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	264 static int original_argc;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	265 static char const original_argv;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	266
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	267 /* Make sure the environment variable bash 2.0 puts in the environment
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	268 is valid for the getopt call we must make sure that the ARGV passed
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	269 to getopt is that one passed to the process. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	270 static void
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	271 __attribute__ ((unused))
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	272 store_args_and_env (int argc, char const argv)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	273 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	274 /* XXX This is no good solution. We should rather copy the args so
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	275 that we can compare them later. But we must not use malloc(3). */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	276 original_argc = argc;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	277 original_argv = argv;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	278 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	279 # ifdef text_set_element
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	280 text_set_element (__libc_subinit, store_args_and_env);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	281 # endif /* text_set_element */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	282
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	283 # define SWAP_FLAGS(ch1, ch2) \
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	284 if (nonoption_flags_len > 0) \
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	285 { \
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	286 char __tmp = __getopt_nonoption_flags[ch1]; \
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	287 __getopt_nonoption_flags[ch1] = __getopt_nonoption_flags[ch2]; \
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	288 __getopt_nonoption_flags[ch2] = __tmp; \
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	289 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	290 #else /* !_LIBC */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	291 # define SWAP_FLAGS(ch1, ch2)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	292 #endif /* _LIBC */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	293
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	294 /* Exchange two adjacent subsequences of ARGV.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	295 One subsequence is elements [first_nonopt,last_nonopt)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	296 which contains all the non-options that have been skipped so far.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	297 The other is elements [last_nonopt,optind), which contains all
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	298 the options processed since those non-options were skipped.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	299
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	300 `first_nonopt' and `last_nonopt' are relocated so that they describe
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	301 the new indices of the non-options in ARGV after they are moved. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	302
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	303 #if defined __STDC__ && __STDC__
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	304 static void exchange (char **);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	305 #endif
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	306
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	307 static void
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	308 exchange (argv)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	309 char **argv;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	310 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	311 int bottom = first_nonopt;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	312 int middle = last_nonopt;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	313 int top = optind;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	314 char *tem;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	315
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	316 /* Exchange the shorter segment with the far end of the longer segment.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	317 That puts the shorter segment into the right place.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	318 It leaves the longer segment in the right place overall,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	319 but it consists of two parts that need to be swapped next. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	320
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	321 #ifdef _LIBC
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	322 /* First make sure the handling of the `__getopt_nonoption_flags'
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	323 string can work normally. Our top argument must be in the range
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	324 of the string. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	325 if (nonoption_flags_len > 0 && top >= nonoption_flags_max_len)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	326 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	327 /* We must extend the array. The user plays games with us and
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	328 presents new arguments. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	329 char *new_str = malloc (top + 1);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	330 if (new_str == NULL)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	331 nonoption_flags_len = nonoption_flags_max_len = 0;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	332 else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	333 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	334 memset (__mempcpy (new_str, __getopt_nonoption_flags,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	335 nonoption_flags_max_len),
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	336 '\0', top + 1 - nonoption_flags_max_len);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	337 nonoption_flags_max_len = top + 1;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	338 __getopt_nonoption_flags = new_str;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	339 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	340 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	341 #endif
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	342
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	343 while (top > middle && middle > bottom)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	344 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	345 if (top - middle > middle - bottom)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	346 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	347 /* Bottom segment is the short one. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	348 int len = middle - bottom;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	349 register int i;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	350
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	351 /* Swap it with the top part of the top segment. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	352 for (i = 0; i < len; i++)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	353 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	354 tem = argv[bottom + i];
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	355 argv[bottom + i] = argv[top - (middle - bottom) + i];
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	356 argv[top - (middle - bottom) + i] = tem;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	357 SWAP_FLAGS (bottom + i, top - (middle - bottom) + i);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	358 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	359 /* Exclude the moved bottom segment from further swapping. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	360 top -= len;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	361 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	362 else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	363 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	364 /* Top segment is the short one. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	365 int len = top - middle;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	366 register int i;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	367
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	368 /* Swap it with the bottom part of the bottom segment. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	369 for (i = 0; i < len; i++)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	370 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	371 tem = argv[bottom + i];
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	372 argv[bottom + i] = argv[middle + i];
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	373 argv[middle + i] = tem;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	374 SWAP_FLAGS (bottom + i, middle + i);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	375 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	376 /* Exclude the moved top segment from further swapping. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	377 bottom += len;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	378 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	379 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	380
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	381 /* Update records for the slots the non-options now occupy. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	382
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	383 first_nonopt += (optind - last_nonopt);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	384 last_nonopt = optind;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	385 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	386
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	387 /* Initialize the internal data when the first call is made. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	388
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	389 #if defined __STDC__ && __STDC__
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	390 static const char _getopt_initialize (int, char const , const char );
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	391 #endif
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	392 static const char *
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	393 _getopt_initialize (argc, argv, optstring)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	394 int argc;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	395 char const argv;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	396 const char *optstring;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	397 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	398 /* Start processing options with ARGV-element 1 (since ARGV-element 0
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	399 is the program name); the sequence of previously skipped
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	400 non-option ARGV-elements is empty. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	401
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	402 first_nonopt = last_nonopt = optind;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	403
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	404 nextchar = NULL;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	405
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	406 posixly_correct = getenv ("POSIXLY_CORRECT");
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	407
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	408 /* Determine how to handle the ordering of options and nonoptions. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	409
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	410 if (optstring[0] == '-')
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	411 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	412 ordering = RETURN_IN_ORDER;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	413 ++optstring;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	414 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	415 else if (optstring[0] == '+')
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	416 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	417 ordering = REQUIRE_ORDER;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	418 ++optstring;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	419 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	420 else if (posixly_correct != NULL)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	421 ordering = REQUIRE_ORDER;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	422 else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	423 ordering = PERMUTE;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	424
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	425 #ifdef _LIBC
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	426 if (posixly_correct == NULL
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	427 && argc == original_argc && argv == original_argv)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	428 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	429 if (nonoption_flags_max_len == 0)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	430 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	431 if (__getopt_nonoption_flags == NULL
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	432 \|\| __getopt_nonoption_flags[0] == '\0')
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	433 nonoption_flags_max_len = -1;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	434 else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	435 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	436 const char *orig_str = __getopt_nonoption_flags;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	437 int len = nonoption_flags_max_len = strlen (orig_str);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	438 if (nonoption_flags_max_len < argc)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	439 nonoption_flags_max_len = argc;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	440 __getopt_nonoption_flags =
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	441 (char *) malloc (nonoption_flags_max_len);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	442 if (__getopt_nonoption_flags == NULL)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	443 nonoption_flags_max_len = -1;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	444 else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	445 memset (__mempcpy (__getopt_nonoption_flags, orig_str, len),
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	446 '\0', nonoption_flags_max_len - len);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	447 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	448 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	449 nonoption_flags_len = nonoption_flags_max_len;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	450 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	451 else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	452 nonoption_flags_len = 0;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	453 #endif
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	454
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	455 return optstring;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	456 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	457
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	458 /* Scan elements of ARGV (whose length is ARGC) for option characters
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	459 given in OPTSTRING.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	460
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	461 If an element of ARGV starts with '-', and is not exactly "-" or "--",
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	462 then it is an option element. The characters of this element
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	463 (aside from the initial '-') are option characters. If `getopt'
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	464 is called repeatedly, it returns successively each of the option characters
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	465 from each of the option elements.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	466
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	467 If `getopt' finds another option character, it returns that character,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	468 updating `optind' and `nextchar' so that the next call to `getopt' can
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	469 resume the scan with the following option character or ARGV-element.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	470
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	471 If there are no more option characters, `getopt' returns -1.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	472 Then `optind' is the index in ARGV of the first ARGV-element
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	473 that is not an option. (The ARGV-elements have been permuted
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	474 so that those that are not options now come last.)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	475
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	476 OPTSTRING is a string containing the legitimate option characters.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	477 If an option character is seen that is not listed in OPTSTRING,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	478 return '?' after printing an error message. If you set `opterr' to
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	479 zero, the error message is suppressed but we still return '?'.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	480
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	481 If a char in OPTSTRING is followed by a colon, that means it wants an arg,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	482 so the following text in the same ARGV-element, or the text of the following
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	483 ARGV-element, is returned in `optarg'. Two colons mean an option that
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	484 wants an optional arg; if there is text in the current ARGV-element,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	485 it is returned in `optarg', otherwise `optarg' is set to zero.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	486
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	487 If OPTSTRING starts with `-' or `+', it requests different methods of
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	488 handling the non-option ARGV-elements.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	489 See the comments about RETURN_IN_ORDER and REQUIRE_ORDER, above.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	490
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	491 Long-named options begin with `--' instead of `-'.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	492 Their names may be abbreviated as long as the abbreviation is unique
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	493 or is an exact match for some defined option. If they have an
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	494 argument, it follows the option name in the same ARGV-element, separated
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	495 from the option name by a `=', or else the in next ARGV-element.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	496 When `getopt' finds a long-named option, it returns 0 if that option's
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	497 `flag' field is nonzero, the value of the option's `val' field
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	498 if the `flag' field is zero.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	499
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	500 The elements of ARGV aren't really const, because we permute them.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	501 But we pretend they're const in the prototype to be compatible
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	502 with other systems.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	503
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	504 LONGOPTS is a vector of `struct option' terminated by an
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	505 element containing a name which is zero.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	506
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	507 LONGIND returns the index in LONGOPT of the long-named option found.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	508 It is only valid when a long-named option has been found by the most
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	509 recent call.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	510
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	511 If LONG_ONLY is nonzero, '-' as well as '--' can introduce
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	512 long-named options. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	513
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	514 int
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	515 _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	516 int argc;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	517 char const argv;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	518 const char *optstring;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	519 const struct option *longopts;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	520 int *longind;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	521 int long_only;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	522 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	523 optarg = NULL;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	524
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	525 if (optind == 0 \|\| !__getopt_initialized)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	526 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	527 if (optind == 0)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	528 optind = 1; /* Don't scan ARGV[0], the program name. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	529 optstring = _getopt_initialize (argc, argv, optstring);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	530 __getopt_initialized = 1;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	531 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	532
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	533 /* Test whether ARGV[optind] points to a non-option argument.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	534 Either it does not have option syntax, or there is an environment flag
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	535 from the shell indicating it is not an option. The later information
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	536 is only used when the used in the GNU libc. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	537 #ifdef _LIBC
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	538 # define NONOPTION_P (argv[optind][0] != '-' \|\| argv[optind][1] == '\0' \
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	539 \|\| (optind < nonoption_flags_len \
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	540 && __getopt_nonoption_flags[optind] == '1'))
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	541 #else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	542 # define NONOPTION_P (argv[optind][0] != '-' \|\| argv[optind][1] == '\0')
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	543 #endif
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	544
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	545 if (nextchar == NULL \|\| *nextchar == '\0')
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	546 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	547 /* Advance to the next ARGV-element. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	548
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	549 /* Give FIRST_NONOPT & LAST_NONOPT rational values if OPTIND has been
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	550 moved back by the user (who may also have changed the arguments). */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	551 if (last_nonopt > optind)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	552 last_nonopt = optind;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	553 if (first_nonopt > optind)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	554 first_nonopt = optind;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	555
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	556 if (ordering == PERMUTE)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	557 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	558 /* If we have just processed some options following some non-options,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	559 exchange them so that the options come first. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	560
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	561 if (first_nonopt != last_nonopt && last_nonopt != optind)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	562 exchange ((char **) argv);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	563 else if (last_nonopt != optind)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	564 first_nonopt = optind;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	565
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	566 /* Skip any additional non-options
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	567 and extend the range of non-options previously skipped. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	568
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	569 while (optind < argc && NONOPTION_P)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	570 optind++;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	571 last_nonopt = optind;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	572 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	573
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	574 /* The special ARGV-element `--' means premature end of options.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	575 Skip it like a null option,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	576 then exchange with previous non-options as if it were an option,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	577 then skip everything else like a non-option. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	578
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	579 if (optind != argc && !strcmp (argv[optind], "--"))
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	580 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	581 optind++;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	582
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	583 if (first_nonopt != last_nonopt && last_nonopt != optind)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	584 exchange ((char **) argv);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	585 else if (first_nonopt == last_nonopt)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	586 first_nonopt = optind;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	587 last_nonopt = argc;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	588
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	589 optind = argc;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	590 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	591
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	592 /* If we have done all the ARGV-elements, stop the scan
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	593 and back over any non-options that we skipped and permuted. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	594
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	595 if (optind == argc)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	596 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	597 /* Set the next-arg-index to point at the non-options
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	598 that we previously skipped, so the caller will digest them. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	599 if (first_nonopt != last_nonopt)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	600 optind = first_nonopt;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	601 return -1;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	602 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	603
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	604 /* If we have come to a non-option and did not permute it,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	605 either stop the scan or describe it to the caller and pass it by. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	606
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	607 if (NONOPTION_P)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	608 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	609 if (ordering == REQUIRE_ORDER)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	610 return -1;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	611 optarg = argv[optind++];
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	612 return 1;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	613 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	614
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	615 /* We have found another option-ARGV-element.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	616 Skip the initial punctuation. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	617
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	618 nextchar = (argv[optind] + 1
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	619 + (longopts != NULL && argv[optind][1] == '-'));
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	620 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	621
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	622 /* Decode the current option-ARGV-element. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	623
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	624 /* Check whether the ARGV-element is a long option.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	625
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	626 If long_only and the ARGV-element has the form "-f", where f is
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	627 a valid short option, don't consider it an abbreviated form of
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	628 a long option that starts with f. Otherwise there would be no
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	629 way to give the -f short option.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	630
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	631 On the other hand, if there's a long option "fubar" and
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	632 the ARGV-element is "-fu", do consider that an abbreviation of
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	633 the long option, just like "--fu", and not "-f" with arg "u".
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	634
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	635 This distinction seems to be the most useful approach. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	636
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	637 if (longopts != NULL
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	638 && (argv[optind][1] == '-'
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	639 \|\| (long_only && (argv[optind][2] \|\| !my_index (optstring, argv[optind][1])))))
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	640 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	641 char *nameend;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	642 const struct option *p;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	643 const struct option *pfound = NULL;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	644 int exact = 0;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	645 int ambig = 0;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	646 int indfound = -1;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	647 int option_index;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	648
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	649 for (nameend = nextchar; nameend && nameend != '='; nameend++)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	650 /* Do nothing. */ ;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	651
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	652 /* Test all long options for either exact match
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	653 or abbreviated matches. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	654 for (p = longopts, option_index = 0; p->name; p++, option_index++)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	655 if (!strncmp (p->name, nextchar, nameend - nextchar))
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	656 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	657 if ((unsigned int) (nameend - nextchar)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	658 == (unsigned int) strlen (p->name))
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	659 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	660 /* Exact match found. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	661 pfound = p;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	662 indfound = option_index;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	663 exact = 1;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	664 break;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	665 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	666 else if (pfound == NULL)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	667 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	668 /* First nonexact match found. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	669 pfound = p;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	670 indfound = option_index;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	671 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	672 else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	673 /* Second or later nonexact match found. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	674 ambig = 1;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	675 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	676
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	677 if (ambig && !exact)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	678 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	679 if (opterr)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	680 fprintf (stderr, _("%s: option `%s' is ambiguous\n"),
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	681 argv[0], argv[optind]);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	682 nextchar += strlen (nextchar);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	683 optind++;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	684 optopt = 0;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	685 return '?';
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	686 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	687
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	688 if (pfound != NULL)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	689 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	690 option_index = indfound;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	691 optind++;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	692 if (*nameend)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	693 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	694 /* Don't test has_arg with >, because some C compilers don't
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	695 allow it to be used on enums. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	696 if (pfound->has_arg)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	697 optarg = nameend + 1;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	698 else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	699 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	700 if (opterr)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	701 if (argv[optind - 1][1] == '-')
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	702 /* --option */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	703 fprintf (stderr,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	704 _("%s: option `--%s' doesn't allow an argument\n"),
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	705 argv[0], pfound->name);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	706 else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	707 /* +option or -option */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	708 fprintf (stderr,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	709 _("%s: option `%c%s' doesn't allow an argument\n"),
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	710 argv[0], argv[optind - 1][0], pfound->name);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	711
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	712 nextchar += strlen (nextchar);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	713
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	714 optopt = pfound->val;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	715 return '?';
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	716 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	717 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	718 else if (pfound->has_arg == 1)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	719 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	720 if (optind < argc)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	721 optarg = argv[optind++];
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	722 else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	723 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	724 if (opterr)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	725 fprintf (stderr,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	726 _("%s: option `%s' requires an argument\n"),
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	727 argv[0], argv[optind - 1]);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	728 nextchar += strlen (nextchar);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	729 optopt = pfound->val;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	730 return optstring[0] == ':' ? ':' : '?';
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	731 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	732 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	733 nextchar += strlen (nextchar);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	734 if (longind != NULL)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	735 *longind = option_index;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	736 if (pfound->flag)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	737 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	738 *(pfound->flag) = pfound->val;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	739 return 0;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	740 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	741 return pfound->val;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	742 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	743
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	744 /* Can't find it as a long option. If this is not getopt_long_only,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	745 or the option starts with '--' or is not a valid short
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	746 option, then it's an error.
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	747 Otherwise interpret it as a short option. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	748 if (!long_only \|\| argv[optind][1] == '-'
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	749 \|\| my_index (optstring, *nextchar) == NULL)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	750 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	751 if (opterr)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	752 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	753 if (argv[optind][1] == '-')
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	754 /* --option */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	755 fprintf (stderr, _("%s: unrecognized option `--%s'\n"),
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	756 argv[0], nextchar);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	757 else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	758 /* +option or -option */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	759 fprintf (stderr, _("%s: unrecognized option `%c%s'\n"),
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	760 argv[0], argv[optind][0], nextchar);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	761 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	762 nextchar = (char *) "";
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	763 optind++;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	764 optopt = 0;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	765 return '?';
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	766 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	767 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	768
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	769 /* Look at and handle the next short option-character. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	770
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	771 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	772 char c = *nextchar++;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	773 char *temp = my_index (optstring, c);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	774
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	775 /* Increment `optind' when we start to process its last character. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	776 if (*nextchar == '\0')
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	777 ++optind;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	778
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	779 if (temp == NULL \|\| c == ':')
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	780 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	781 if (opterr)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	782 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	783 if (posixly_correct)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	784 /* 1003.2 specifies the format of this message. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	785 fprintf (stderr, _("%s: illegal option -- %c\n"),
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	786 argv[0], c);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	787 else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	788 fprintf (stderr, _("%s: invalid option -- %c\n"),
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	789 argv[0], c);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	790 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	791 optopt = c;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	792 return '?';
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	793 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	794 /* Convenience. Treat POSIX -W foo same as long option --foo */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	795 if (temp[0] == 'W' && temp[1] == ';')
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	796 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	797 char *nameend;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	798 const struct option *p;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	799 const struct option *pfound = NULL;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	800 int exact = 0;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	801 int ambig = 0;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	802 int indfound = 0;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	803 int option_index;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	804
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	805 /* This is an option that requires an argument. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	806 if (*nextchar != '\0')
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	807 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	808 optarg = nextchar;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	809 /* If we end this ARGV-element by taking the rest as an arg,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	810 we must advance to the next element now. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	811 optind++;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	812 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	813 else if (optind == argc)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	814 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	815 if (opterr)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	816 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	817 /* 1003.2 specifies the format of this message. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	818 fprintf (stderr, _("%s: option requires an argument -- %c\n"),
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	819 argv[0], c);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	820 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	821 optopt = c;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	822 if (optstring[0] == ':')
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	823 c = ':';
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	824 else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	825 c = '?';
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	826 return c;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	827 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	828 else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	829 /* We already incremented `optind' once;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	830 increment it again when taking next ARGV-elt as argument. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	831 optarg = argv[optind++];
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	832
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	833 /* optarg is now the argument, see if it's in the
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	834 table of longopts. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	835
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	836 for (nextchar = nameend = optarg; nameend && nameend != '='; nameend++)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	837 /* Do nothing. */ ;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	838
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	839 /* Test all long options for either exact match
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	840 or abbreviated matches. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	841 for (p = longopts, option_index = 0; p->name; p++, option_index++)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	842 if (!strncmp (p->name, nextchar, nameend - nextchar))
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	843 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	844 if ((unsigned int) (nameend - nextchar) == strlen (p->name))
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	845 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	846 /* Exact match found. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	847 pfound = p;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	848 indfound = option_index;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	849 exact = 1;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	850 break;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	851 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	852 else if (pfound == NULL)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	853 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	854 /* First nonexact match found. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	855 pfound = p;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	856 indfound = option_index;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	857 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	858 else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	859 /* Second or later nonexact match found. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	860 ambig = 1;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	861 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	862 if (ambig && !exact)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	863 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	864 if (opterr)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	865 fprintf (stderr, _("%s: option `-W %s' is ambiguous\n"),
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	866 argv[0], argv[optind]);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	867 nextchar += strlen (nextchar);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	868 optind++;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	869 return '?';
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	870 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	871 if (pfound != NULL)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	872 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	873 option_index = indfound;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	874 if (*nameend)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	875 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	876 /* Don't test has_arg with >, because some C compilers don't
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	877 allow it to be used on enums. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	878 if (pfound->has_arg)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	879 optarg = nameend + 1;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	880 else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	881 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	882 if (opterr)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	883 fprintf (stderr, _("\
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	884 %s: option `-W %s' doesn't allow an argument\n"),
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	885 argv[0], pfound->name);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	886
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	887 nextchar += strlen (nextchar);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	888 return '?';
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	889 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	890 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	891 else if (pfound->has_arg == 1)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	892 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	893 if (optind < argc)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	894 optarg = argv[optind++];
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	895 else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	896 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	897 if (opterr)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	898 fprintf (stderr,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	899 _("%s: option `%s' requires an argument\n"),
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	900 argv[0], argv[optind - 1]);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	901 nextchar += strlen (nextchar);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	902 return optstring[0] == ':' ? ':' : '?';
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	903 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	904 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	905 nextchar += strlen (nextchar);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	906 if (longind != NULL)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	907 *longind = option_index;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	908 if (pfound->flag)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	909 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	910 *(pfound->flag) = pfound->val;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	911 return 0;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	912 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	913 return pfound->val;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	914 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	915 nextchar = NULL;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	916 return 'W'; /* Let the application handle it. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	917 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	918 if (temp[1] == ':')
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	919 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	920 if (temp[2] == ':')
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	921 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	922 /* This is an option that accepts an argument optionally. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	923 if (*nextchar != '\0')
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	924 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	925 optarg = nextchar;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	926 optind++;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	927 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	928 else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	929 optarg = NULL;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	930 nextchar = NULL;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	931 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	932 else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	933 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	934 /* This is an option that requires an argument. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	935 if (*nextchar != '\0')
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	936 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	937 optarg = nextchar;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	938 /* If we end this ARGV-element by taking the rest as an arg,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	939 we must advance to the next element now. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	940 optind++;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	941 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	942 else if (optind == argc)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	943 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	944 if (opterr)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	945 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	946 /* 1003.2 specifies the format of this message. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	947 fprintf (stderr,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	948 _("%s: option requires an argument -- %c\n"),
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	949 argv[0], c);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	950 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	951 optopt = c;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	952 if (optstring[0] == ':')
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	953 c = ':';
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	954 else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	955 c = '?';
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	956 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	957 else
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	958 /* We already incremented `optind' once;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	959 increment it again when taking next ARGV-elt as argument. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	960 optarg = argv[optind++];
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	961 nextchar = NULL;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	962 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	963 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	964 return c;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	965 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	966 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	967
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	968 int
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	969 getopt (argc, argv, optstring)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	970 int argc;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	971 char const argv;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	972 const char *optstring;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	973 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	974 return _getopt_internal (argc, argv, optstring,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	975 (const struct option *) 0,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	976 (int *) 0,
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	977 0);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	978 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	979
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	980 #endif /* Not ELIDE_CODE. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	981
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	982 #ifdef TEST
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	983
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	984 /* Compile with -DTEST to make an executable for use in testing
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	985 the above definition of `getopt'. */
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	986
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	987 int
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	988 main (argc, argv)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	989 int argc;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	990 char **argv;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	991 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	992 int c;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	993 int digit_optind = 0;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	994
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	995 while (1)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	996 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	997 int this_option_optind = optind ? optind : 1;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	998
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	999 c = getopt (argc, argv, "abc:d:0123456789");
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1000 if (c == -1)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1001 break;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1002
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1003 switch (c)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1004 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1005 case '0':
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1006 case '1':
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1007 case '2':
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1008 case '3':
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1009 case '4':
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1010 case '5':
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1011 case '6':
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1012 case '7':
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1013 case '8':
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1014 case '9':
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1015 if (digit_optind != 0 && digit_optind != this_option_optind)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1016 printf ("digits occur in two different argv-elements.\n");
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1017 digit_optind = this_option_optind;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1018 printf ("option %c\n", c);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1019 break;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1020
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1021 case 'a':
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1022 printf ("option a\n");
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1023 break;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1024
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1025 case 'b':
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1026 printf ("option b\n");
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1027 break;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1028
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1029 case 'c':
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1030 printf ("option c with value `%s'\n", optarg);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1031 break;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1032
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1033 case '?':
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1034 break;
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1035
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1036 default:
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1037 printf ("?? getopt returned character code 0%o ??\n", c);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1038 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1039 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1040
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1041 if (optind < argc)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1042 {
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1043 printf ("non-option ARGV-elements: ");
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1044 while (optind < argc)
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1045 printf ("%s ", argv[optind++]);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1046 printf ("\n");
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1047 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1048
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1049 exit (0);
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1050 }
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1051
92470e5d0b9e src: partial import from FC Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1052 #endif /* TEST */

FreeCalypso > hg > ffs-editor

annotate src/cs/drivers/drv_app/ffs/board/win32/getopt.c @ 27:cb3f6fe694e1 default tip