FreeCalypso > hg > freecalypso-reveng
annotate fluid-mnf/getopt.c @ 362:b4fb0c7dfdf4
fluid-mnf: added -oC option to use cmd39.m0 for Calypso C05
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 14 Mar 2020 19:44:44 +0000 |
parents | 9cecc930d78f |
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rev | line source |
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1 /* Getopt for GNU. |
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2 NOTE: getopt is now part of the C library, so if you don't know what |
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3 "Keep this file name-space clean" means, talk to roland@gnu.ai.mit.edu |
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4 before changing it! |
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5 |
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6 Copyright (C) 1987, 88, 89, 90, 91, 92, 93, 94 |
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7 Free Software Foundation, Inc. |
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8 |
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9 This program is free software; you can redistribute it and/or modify it |
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10 under the terms of the GNU General Public License as published by the |
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11 Free Software Foundation; either version 2, or (at your option) any |
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12 later version. |
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13 |
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14 This program is distributed in the hope that it will be useful, |
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15 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 GNU General Public License for more details. |
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18 |
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19 You should have received a copy of the GNU General Public License |
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20 along with this program; if not, write to the Free Software |
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21 Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ |
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22 |
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23 /* This tells Alpha OSF/1 not to define a getopt prototype in <stdio.h>. |
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24 Ditto for AIX 3.2 and <stdlib.h>. */ |
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25 #ifndef _NO_PROTO |
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26 #define _NO_PROTO |
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27 #endif |
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28 |
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29 #ifdef HAVE_CONFIG_H |
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30 #include "config.h" |
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31 #endif |
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32 |
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33 #ifndef __STDC__ |
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34 /* This is a separate conditional since some stdc systems |
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35 reject `defined (const)'. */ |
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36 #ifndef const |
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37 #define const |
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38 #endif |
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39 #endif |
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40 |
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41 #include <stdio.h> |
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42 |
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43 /* Comment out all this code if we are using the GNU C Library, and are not |
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44 actually compiling the library itself. This code is part of the GNU C |
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45 Library, but also included in many other GNU distributions. Compiling |
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46 and linking in this code is a waste when using the GNU C library |
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47 (especially if it is a shared library). Rather than having every GNU |
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48 program understand `configure --with-gnu-libc' and omit the object files, |
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49 it is simpler to just do this in the source for each such file. */ |
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50 |
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51 /* This needs to come after some library #include |
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52 to get __GNU_LIBRARY__ defined. */ |
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53 #ifdef __GNU_LIBRARY__ |
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54 /* Don't include stdlib.h for non-GNU C libraries because some of them |
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55 contain conflicting prototypes for getopt. */ |
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56 #include <stdlib.h> |
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57 #endif /* GNU C library. */ |
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58 |
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59 /* This version of `getopt' appears to the caller like standard Unix `getopt' |
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60 but it behaves differently for the user, since it allows the user |
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61 to intersperse the options with the other arguments. |
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62 |
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63 As `getopt' works, it permutes the elements of ARGV so that, |
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64 when it is done, all the options precede everything else. Thus |
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65 all application programs are extended to handle flexible argument order. |
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66 |
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67 Setting the environment variable POSIXLY_CORRECT disables permutation. |
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68 Then the behavior is completely standard. |
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69 |
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70 GNU application programs can use a third alternative mode in which |
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71 they can distinguish the relative order of options and other arguments. */ |
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72 |
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73 #include "getopt.h" |
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74 |
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75 /* For communication from `getopt' to the caller. |
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76 When `getopt' finds an option that takes an argument, |
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77 the argument value is returned here. |
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78 Also, when `ordering' is RETURN_IN_ORDER, |
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79 each non-option ARGV-element is returned here. */ |
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80 |
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81 char *optarg = NULL; |
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82 |
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83 /* Index in ARGV of the next element to be scanned. |
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84 This is used for communication to and from the caller |
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85 and for communication between successive calls to `getopt'. |
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86 |
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87 On entry to `getopt', zero means this is the first call; initialize. |
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88 |
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89 When `getopt' returns EOF, this is the index of the first of the |
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90 non-option elements that the caller should itself scan. |
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91 |
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92 Otherwise, `optind' communicates from one call to the next |
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93 how much of ARGV has been scanned so far. */ |
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94 |
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95 /* XXX 1003.2 says this must be 1 before any call. */ |
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96 int optind = 0; |
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97 |
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98 /* The next char to be scanned in the option-element |
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99 in which the last option character we returned was found. |
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100 This allows us to pick up the scan where we left off. |
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101 |
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102 If this is zero, or a null string, it means resume the scan |
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103 by advancing to the next ARGV-element. */ |
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104 |
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105 static char *nextchar; |
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106 |
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107 /* Callers store zero here to inhibit the error message |
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108 for unrecognized options. */ |
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109 |
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110 int opterr = 1; |
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111 |
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112 /* Set to an option character which was unrecognized. |
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113 This must be initialized on some systems to avoid linking in the |
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114 system's own getopt implementation. */ |
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115 |
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116 int optopt = '?'; |
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117 |
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118 /* Describe how to deal with options that follow non-option ARGV-elements. |
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119 |
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120 If the caller did not specify anything, |
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121 the default is REQUIRE_ORDER if the environment variable |
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122 POSIXLY_CORRECT is defined, PERMUTE otherwise. |
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123 |
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124 REQUIRE_ORDER means don't recognize them as options; |
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125 stop option processing when the first non-option is seen. |
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126 This is what Unix does. |
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127 This mode of operation is selected by either setting the environment |
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128 variable POSIXLY_CORRECT, or using `+' as the first character |
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129 of the list of option characters. |
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130 |
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131 PERMUTE is the default. We permute the contents of ARGV as we scan, |
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132 so that eventually all the non-options are at the end. This allows options |
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133 to be given in any order, even with programs that were not written to |
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134 expect this. |
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135 |
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136 RETURN_IN_ORDER is an option available to programs that were written |
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137 to expect options and other ARGV-elements in any order and that care about |
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138 the ordering of the two. We describe each non-option ARGV-element |
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139 as if it were the argument of an option with character code 1. |
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140 Using `-' as the first character of the list of option characters |
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141 selects this mode of operation. |
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142 |
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143 The special argument `--' forces an end of option-scanning regardless |
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144 of the value of `ordering'. In the case of RETURN_IN_ORDER, only |
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145 `--' can cause `getopt' to return EOF with `optind' != ARGC. */ |
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146 |
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147 static enum |
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148 { |
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149 REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER |
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150 } ordering; |
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151 |
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152 /* Value of POSIXLY_CORRECT environment variable. */ |
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153 static char *posixly_correct; |
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154 |
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155 #ifdef __GNU_LIBRARY__ |
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156 /* We want to avoid inclusion of string.h with non-GNU libraries |
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157 because there are many ways it can cause trouble. |
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158 On some systems, it contains special magic macros that don't work |
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159 in GCC. */ |
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160 #include <string.h> |
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161 #define my_index strchr |
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162 #else |
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163 |
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164 /* Avoid depending on library functions or files |
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165 whose names are inconsistent. */ |
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166 |
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167 char *getenv (); |
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168 |
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169 static char * |
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170 my_index (str, chr) |
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171 const char *str; |
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172 int chr; |
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173 { |
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174 while (*str) |
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175 { |
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176 if (*str == chr) |
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177 return (char *) str; |
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178 str++; |
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179 } |
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180 return 0; |
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181 } |
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182 |
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183 /* If using GCC, we can safely declare strlen this way. |
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184 If not using GCC, it is ok not to declare it. */ |
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185 #ifdef __GNUC__ |
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186 /* Note that Motorola Delta 68k R3V7 comes with GCC but not stddef.h. |
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187 That was relevant to code that was here before. */ |
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188 #ifndef __STDC__ |
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189 /* gcc with -traditional declares the built-in strlen to return int, |
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190 and has done so at least since version 2.4.5. -- rms. */ |
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191 extern int strlen (const char *); |
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192 #endif /* not __STDC__ */ |
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193 #endif /* __GNUC__ */ |
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194 |
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195 #endif /* not __GNU_LIBRARY__ */ |
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196 |
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197 /* Handle permutation of arguments. */ |
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198 |
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199 /* Describe the part of ARGV that contains non-options that have |
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200 been skipped. `first_nonopt' is the index in ARGV of the first of them; |
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201 `last_nonopt' is the index after the last of them. */ |
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202 |
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203 static int first_nonopt; |
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204 static int last_nonopt; |
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205 |
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206 /* Exchange two adjacent subsequences of ARGV. |
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207 One subsequence is elements [first_nonopt,last_nonopt) |
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208 which contains all the non-options that have been skipped so far. |
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209 The other is elements [last_nonopt,optind), which contains all |
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210 the options processed since those non-options were skipped. |
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211 |
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212 `first_nonopt' and `last_nonopt' are relocated so that they describe |
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213 the new indices of the non-options in ARGV after they are moved. */ |
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214 |
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|
215 static void |
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216 exchange (argv) |
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217 char **argv; |
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218 { |
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219 int bottom = first_nonopt; |
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220 int middle = last_nonopt; |
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221 int top = optind; |
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222 char *tem; |
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223 |
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224 /* Exchange the shorter segment with the far end of the longer segment. |
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225 That puts the shorter segment into the right place. |
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226 It leaves the longer segment in the right place overall, |
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227 but it consists of two parts that need to be swapped next. */ |
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228 |
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|
229 while (top > middle && middle > bottom) |
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230 { |
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231 if (top - middle > middle - bottom) |
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232 { |
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233 /* Bottom segment is the short one. */ |
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234 int len = middle - bottom; |
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|
235 register int i; |
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|
236 |
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237 /* Swap it with the top part of the top segment. */ |
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238 for (i = 0; i < len; i++) |
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239 { |
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|
240 tem = argv[bottom + i]; |
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241 argv[bottom + i] = argv[top - (middle - bottom) + i]; |
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|
242 argv[top - (middle - bottom) + i] = tem; |
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243 } |
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|
244 /* Exclude the moved bottom segment from further swapping. */ |
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|
245 top -= len; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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246 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
247 else |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
248 { |
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249 /* Top segment is the short one. */ |
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250 int len = top - middle; |
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251 register int i; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
252 |
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253 /* Swap it with the bottom part of the bottom segment. */ |
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254 for (i = 0; i < len; i++) |
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Mychaela Falconia <falcon@freecalypso.org>
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255 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
256 tem = argv[bottom + i]; |
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257 argv[bottom + i] = argv[middle + i]; |
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258 argv[middle + i] = tem; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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259 } |
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Mychaela Falconia <falcon@freecalypso.org>
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260 /* Exclude the moved top segment from further swapping. */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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261 bottom += len; |
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parents:
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262 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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263 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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264 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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265 /* Update records for the slots the non-options now occupy. */ |
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266 |
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Mychaela Falconia <falcon@freecalypso.org>
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267 first_nonopt += (optind - last_nonopt); |
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268 last_nonopt = optind; |
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269 } |
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Mychaela Falconia <falcon@freecalypso.org>
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270 |
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271 /* Initialize the internal data when the first call is made. */ |
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272 |
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273 static const char * |
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274 _getopt_initialize (optstring) |
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275 const char *optstring; |
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276 { |
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277 /* Start processing options with ARGV-element 1 (since ARGV-element 0 |
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278 is the program name); the sequence of previously skipped |
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279 non-option ARGV-elements is empty. */ |
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280 |
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281 first_nonopt = last_nonopt = optind = 1; |
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282 |
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283 nextchar = NULL; |
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284 |
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285 posixly_correct = getenv ("POSIXLY_CORRECT"); |
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286 |
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|
287 /* Determine how to handle the ordering of options and nonoptions. */ |
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288 |
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289 if (optstring[0] == '-') |
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290 { |
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291 ordering = RETURN_IN_ORDER; |
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292 ++optstring; |
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293 } |
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294 else if (optstring[0] == '+') |
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295 { |
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296 ordering = REQUIRE_ORDER; |
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297 ++optstring; |
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|
298 } |
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299 else if (posixly_correct != NULL) |
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300 ordering = REQUIRE_ORDER; |
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301 else |
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302 ordering = PERMUTE; |
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|
303 |
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304 return optstring; |
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|
305 } |
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|
306 |
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|
307 /* Scan elements of ARGV (whose length is ARGC) for option characters |
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|
308 given in OPTSTRING. |
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|
309 |
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Mychaela Falconia <falcon@freecalypso.org>
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|
310 If an element of ARGV starts with '-', and is not exactly "-" or "--", |
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Mychaela Falconia <falcon@freecalypso.org>
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311 then it is an option element. The characters of this element |
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312 (aside from the initial '-') are option characters. If `getopt' |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
313 is called repeatedly, it returns successively each of the option characters |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
314 from each of the option elements. |
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Mychaela Falconia <falcon@freecalypso.org>
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|
315 |
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diff
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|
316 If `getopt' finds another option character, it returns that character, |
9cecc930d78f
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|
317 updating `optind' and `nextchar' so that the next call to `getopt' can |
9cecc930d78f
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|
318 resume the scan with the following option character or ARGV-element. |
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|
319 |
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|
320 If there are no more option characters, `getopt' returns `EOF'. |
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|
321 Then `optind' is the index in ARGV of the first ARGV-element |
9cecc930d78f
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|
322 that is not an option. (The ARGV-elements have been permuted |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
323 so that those that are not options now come last.) |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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|
324 |
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|
325 OPTSTRING is a string containing the legitimate option characters. |
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diff
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|
326 If an option character is seen that is not listed in OPTSTRING, |
9cecc930d78f
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|
327 return '?' after printing an error message. If you set `opterr' to |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
328 zero, the error message is suppressed but we still return '?'. |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
329 |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
330 If a char in OPTSTRING is followed by a colon, that means it wants an arg, |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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|
331 so the following text in the same ARGV-element, or the text of the following |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
332 ARGV-element, is returned in `optarg'. Two colons mean an option that |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
333 wants an optional arg; if there is text in the current ARGV-element, |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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|
334 it is returned in `optarg', otherwise `optarg' is set to zero. |
9cecc930d78f
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|
335 |
9cecc930d78f
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diff
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|
336 If OPTSTRING starts with `-' or `+', it requests different methods of |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
337 handling the non-option ARGV-elements. |
9cecc930d78f
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|
338 See the comments about RETURN_IN_ORDER and REQUIRE_ORDER, above. |
9cecc930d78f
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|
339 |
9cecc930d78f
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diff
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|
340 Long-named options begin with `--' instead of `-'. |
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|
341 Their names may be abbreviated as long as the abbreviation is unique |
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Mychaela Falconia <falcon@freecalypso.org>
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|
342 or is an exact match for some defined option. If they have an |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
343 argument, it follows the option name in the same ARGV-element, separated |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
344 from the option name by a `=', or else the in next ARGV-element. |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
345 When `getopt' finds a long-named option, it returns 0 if that option's |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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|
346 `flag' field is nonzero, the value of the option's `val' field |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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|
347 if the `flag' field is zero. |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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|
348 |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
349 The elements of ARGV aren't really const, because we permute them. |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
350 But we pretend they're const in the prototype to be compatible |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
351 with other systems. |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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|
352 |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
353 LONGOPTS is a vector of `struct option' terminated by an |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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|
354 element containing a name which is zero. |
9cecc930d78f
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diff
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|
355 |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
356 LONGIND returns the index in LONGOPT of the long-named option found. |
9cecc930d78f
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|
357 It is only valid when a long-named option has been found by the most |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
358 recent call. |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
359 |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
360 If LONG_ONLY is nonzero, '-' as well as '--' can introduce |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
361 long-named options. */ |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
362 |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
363 int |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
364 _getopt_internal (argc, argv, optstring, longopts, longind, long_only) |
9cecc930d78f
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|
365 int argc; |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
366 char *const *argv; |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
367 const char *optstring; |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
368 const struct option *longopts; |
9cecc930d78f
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
369 int *longind; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
370 int long_only; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
371 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
372 optarg = NULL; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
373 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
374 if (optind == 0) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
375 optstring = _getopt_initialize (optstring); |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
376 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
377 if (nextchar == NULL || *nextchar == '\0') |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
378 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
379 /* Advance to the next ARGV-element. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
380 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
381 if (ordering == PERMUTE) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
382 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
383 /* If we have just processed some options following some non-options, |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
384 exchange them so that the options come first. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
385 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
386 if (first_nonopt != last_nonopt && last_nonopt != optind) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
387 exchange ((char **) argv); |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
388 else if (last_nonopt != optind) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
389 first_nonopt = optind; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
390 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
391 /* Skip any additional non-options |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
392 and extend the range of non-options previously skipped. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
393 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
394 while (optind < argc |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
395 && (argv[optind][0] != '-' || argv[optind][1] == '\0')) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
396 optind++; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
397 last_nonopt = optind; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
398 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
399 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
400 /* The special ARGV-element `--' means premature end of options. |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
401 Skip it like a null option, |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
402 then exchange with previous non-options as if it were an option, |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
403 then skip everything else like a non-option. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
404 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
405 if (optind != argc && !strcmp (argv[optind], "--")) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
406 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
407 #ifndef NOPRCS |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
408 return EOF; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
409 #endif |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
410 optind++; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
411 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
412 if (first_nonopt != last_nonopt && last_nonopt != optind) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
413 exchange ((char **) argv); |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
414 else if (first_nonopt == last_nonopt) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
415 first_nonopt = optind; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
416 last_nonopt = argc; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
417 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
418 optind = argc; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
419 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
420 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
421 /* If we have done all the ARGV-elements, stop the scan |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
422 and back over any non-options that we skipped and permuted. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
423 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
424 if (optind == argc) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
425 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
426 /* Set the next-arg-index to point at the non-options |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
427 that we previously skipped, so the caller will digest them. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
428 if (first_nonopt != last_nonopt) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
429 optind = first_nonopt; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
430 return EOF; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
431 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
432 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
433 /* If we have come to a non-option and did not permute it, |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
434 either stop the scan or describe it to the caller and pass it by. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
435 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
436 if ((argv[optind][0] != '-' || argv[optind][1] == '\0')) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
437 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
438 if (ordering == REQUIRE_ORDER) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
439 return EOF; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
440 optarg = argv[optind++]; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
441 return 1; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
442 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
443 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
444 /* We have found another option-ARGV-element. |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
445 Skip the initial punctuation. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
446 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
447 nextchar = (argv[optind] + 1 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
448 + (longopts != NULL && argv[optind][1] == '-')); |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
449 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
450 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
451 /* Decode the current option-ARGV-element. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
452 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
453 /* Check whether the ARGV-element is a long option. |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
454 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
455 If long_only and the ARGV-element has the form "-f", where f is |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
456 a valid short option, don't consider it an abbreviated form of |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
457 a long option that starts with f. Otherwise there would be no |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
458 way to give the -f short option. |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
459 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
460 On the other hand, if there's a long option "fubar" and |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
461 the ARGV-element is "-fu", do consider that an abbreviation of |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
462 the long option, just like "--fu", and not "-f" with arg "u". |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
463 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
464 This distinction seems to be the most useful approach. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
465 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
466 if (longopts != NULL |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
467 && (argv[optind][1] == '-' |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
468 || (long_only && (argv[optind][2] || !my_index (optstring, argv[optind][1]))))) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
469 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
470 char *nameend; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
471 const struct option *p; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
472 const struct option *pfound = NULL; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
473 int exact = 0; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
474 int ambig = 0; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
475 int indfound; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
476 int option_index; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
477 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
478 for (nameend = nextchar; *nameend && *nameend != '='; nameend++) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
479 /* Do nothing. */ ; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
480 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
481 /* Test all long options for either exact match |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
482 or abbreviated matches. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
483 for (p = longopts, option_index = 0; p->name; p++, option_index++) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
484 if (!strncmp (p->name, nextchar, nameend - nextchar)) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
485 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
486 if (nameend - nextchar == strlen (p->name)) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
487 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
488 /* Exact match found. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
489 pfound = p; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
490 indfound = option_index; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
491 exact = 1; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
492 break; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
493 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
494 else if (pfound == NULL) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
495 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
496 /* First nonexact match found. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
497 pfound = p; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
498 indfound = option_index; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
499 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
500 else |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
501 /* Second or later nonexact match found. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
502 ambig = 1; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
503 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
504 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
505 if (ambig && !exact) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
506 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
507 if (opterr) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
508 fprintf (stderr, "%s: option `%s' is ambiguous\n", |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
509 argv[0], argv[optind]); |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
510 nextchar += strlen (nextchar); |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
511 optind++; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
512 return '?'; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
513 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
514 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
515 if (pfound != NULL) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
516 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
517 option_index = indfound; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
518 optind++; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
519 if (*nameend) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
520 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
521 /* Don't test has_arg with >, because some C compilers don't |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
522 allow it to be used on enums. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
523 if (pfound->has_arg) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
524 optarg = nameend + 1; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
525 else |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
526 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
527 if (opterr) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
528 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
529 if (argv[optind - 1][1] == '-') |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
530 /* --option */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
531 fprintf (stderr, |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
532 "%s: option `--%s' doesn't allow an argument\n", |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
533 argv[0], pfound->name); |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
534 else |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
535 /* +option or -option */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
536 fprintf (stderr, |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
537 "%s: option `%c%s' doesn't allow an argument\n", |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
538 argv[0], argv[optind - 1][0], pfound->name); |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
539 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
540 nextchar += strlen (nextchar); |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
541 return '?'; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
542 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
543 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
544 else if (pfound->has_arg == 1) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
545 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
546 if (optind < argc) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
547 optarg = argv[optind++]; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
548 else |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
549 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
550 if (opterr) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
551 fprintf (stderr, "%s: option `%s' requires an argument\n", |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
552 argv[0], argv[optind - 1]); |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
553 nextchar += strlen (nextchar); |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
554 return optstring[0] == ':' ? ':' : '?'; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
555 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
556 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
557 nextchar += strlen (nextchar); |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
558 if (longind != NULL) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
559 *longind = option_index; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
560 if (pfound->flag) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
561 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
562 *(pfound->flag) = pfound->val; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
563 return 0; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
564 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
565 return pfound->val; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
566 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
567 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
568 /* Can't find it as a long option. If this is not getopt_long_only, |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
569 or the option starts with '--' or is not a valid short |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
570 option, then it's an error. |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
571 Otherwise interpret it as a short option. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
572 if (!long_only || argv[optind][1] == '-' |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
573 || my_index (optstring, *nextchar) == NULL) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
574 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
575 if (opterr) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
576 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
577 if (argv[optind][1] == '-') |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
578 /* --option */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
579 fprintf (stderr, "%s: unrecognized option `--%s'\n", |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
580 argv[0], nextchar); |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
581 else |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
582 /* +option or -option */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
583 fprintf (stderr, "%s: unrecognized option `%c%s'\n", |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
584 argv[0], argv[optind][0], nextchar); |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
585 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
586 nextchar = (char *) ""; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
587 optind++; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
588 return '?'; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
589 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
590 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
591 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
592 /* Look at and handle the next short option-character. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
593 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
594 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
595 char c = *nextchar++; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
596 char *temp = my_index (optstring, c); |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
597 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
598 /* Increment `optind' when we start to process its last character. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
599 if (*nextchar == '\0') |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
600 ++optind; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
601 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
602 if (temp == NULL || c == ':') |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
603 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
604 if (opterr) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
605 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
606 if (posixly_correct) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
607 /* 1003.2 specifies the format of this message. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
608 fprintf (stderr, "%s: illegal option -- %c\n", argv[0], c); |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
609 else |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
610 fprintf (stderr, "%s: invalid option -- %c\n", argv[0], c); |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
611 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
612 optopt = c; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
613 return '?'; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
614 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
615 if (temp[1] == ':') |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
616 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
617 if (temp[2] == ':') |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
618 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
619 /* This is an option that accepts an argument optionally. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
620 if (*nextchar != '\0') |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
621 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
622 optarg = nextchar; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
623 optind++; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
624 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
625 else |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
626 optarg = NULL; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
627 nextchar = NULL; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
628 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
629 else |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
630 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
631 /* This is an option that requires an argument. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
632 if (*nextchar != '\0') |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
633 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
634 optarg = nextchar; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
635 /* If we end this ARGV-element by taking the rest as an arg, |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
636 we must advance to the next element now. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
637 optind++; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
638 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
639 else if (optind == argc) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
640 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
641 if (opterr) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
642 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
643 /* 1003.2 specifies the format of this message. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
644 fprintf (stderr, "%s: option requires an argument -- %c\n", |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
645 argv[0], c); |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
646 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
647 optopt = c; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
648 if (optstring[0] == ':') |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
649 c = ':'; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
650 else |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
651 c = '?'; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
652 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
653 else |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
654 /* We already incremented `optind' once; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
655 increment it again when taking next ARGV-elt as argument. */ |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
656 optarg = argv[optind++]; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
657 nextchar = NULL; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
658 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
659 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
660 return c; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
661 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
662 } |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
663 |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
664 int |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
665 getopt (argc, argv, optstring) |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
666 int argc; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
667 char *const *argv; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
668 const char *optstring; |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
669 { |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
670 return _getopt_internal (argc, argv, optstring, |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
671 (const struct option *) 0, |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
672 (int *) 0, |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
673 0); |
9cecc930d78f
fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
674 } |