FreeCalypso > hg > freecalypso-tools

annotate target-utils/libc/strtoul.c @ 166:2e1be0fc150e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
fc-tmsh: ETM_AUDIO commands are just aul/aus/aur/auw, not audio <subcmd>
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 19 Mar 2017 17:17:57 +0000
parents d8d03dafb9c0
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
96
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * Copyright (c) 1990, 1993
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * The Regents of the University of California. All rights reserved.
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 *
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 * Redistribution and use in source and binary forms, with or without
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 * modification, are permitted provided that the following conditions
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 * are met:
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 * 1. Redistributions of source code must retain the above copyright
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 * notice, this list of conditions and the following disclaimer.
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 * 2. Redistributions in binary form must reproduce the above copyright
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 * notice, this list of conditions and the following disclaimer in the
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 * documentation and/or other materials provided with the distribution.
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 * 3. All advertising materials mentioning features or use of this software
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 * must display the following acknowledgement:
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 * This product includes software developed by the University of
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 * California, Berkeley and its contributors.
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 * 4. Neither the name of the University nor the names of its contributors
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 * may be used to endorse or promote products derived from this software
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 * without specific prior written permission.
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 *
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 * SUCH DAMAGE.
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 */
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 /*
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 * Embedded libc note: the present version of strtoul() has been
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 * simplified in that overflow checking has been removed.
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 * This simplification is needed for embedded systems in which
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 * there is no UNIX-style errno global variable.
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 */
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 #include <ctype.h>
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 /*
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 * Convert a string to an unsigned long integer.
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 *
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 * Ignores `locale' stuff. Assumes that the upper and lower case
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 * alphabets and digits are each contiguous.
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 */
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 unsigned long
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 strtoul(nptr, endptr, base)
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 const char *nptr;
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 char **endptr;
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 register int base;
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 {
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 register const char *s = nptr;
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 register unsigned long acc;
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 register int c;
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 register int neg = 0, any;
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 /*
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 * See strtol for comments as to the logic used.
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 */
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 do {
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 c = *s++;
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 } while (isspace(c));
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 if (c == '-') {
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 neg = 1;
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 c = *s++;
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 } else if (c == '+')
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 c = *s++;
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71 if ((base == 0 || base == 16) &&
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 c == '0' && (*s == 'x' || *s == 'X')) {
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 c = s[1];
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 s += 2;
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75 base = 16;
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 }
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
77 if (base == 0)
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
78 base = c == '0' ? 8 : 10;
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
80 for (acc = 0, any = 0;; c = *s++) {
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
81 if (isdigit(c))
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
82 c -= '0';
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 else if (isalpha(c))
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84 c -= isupper(c) ? 'A' - 10 : 'a' - 10;
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
85 else
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
86 break;
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
87 if (c >= base)
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
88 break;
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
89 any = 1;
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90 acc *= base;
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
91 acc += c;
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
92 }
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93 if (neg)
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 acc = -acc;
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 if (endptr != 0)
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
96 *endptr = (char *)(any ? s - 1 : nptr);
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
97 return (acc);
d8d03dafb9c0 target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98 }