]> git.saurik.com Git - bison.git/blame - lib/strspn.c
Include local.at, not input.at, fixing a typo in the 2003-08-25 patch.
[bison.git] / lib / strspn.c
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1/* Copyright (C) 1991, 1997 Free Software Foundation, Inc.
2
3 NOTE: The canonical source of this file is maintained with the GNU
4 C Library. Bugs can be reported to bug-glibc@prep.ai.mit.edu.
5
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6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
9 any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software Foundation,
18 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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19
20#if HAVE_CONFIG_H
21# include <config.h>
22#endif
23
24#if defined _LIBC || HAVE_STRING_H
25# include <string.h>
26#else
27# include <strings.h>
28# ifndef strchr
29# define strchr index
30# endif
31#endif
32
33#undef strspn
34
35/* Return the length of the maximum initial segment
36 of S which contains only characters in ACCEPT. */
37size_t
38strspn (s, accept)
39 const char *s;
40 const char *accept;
41{
42 const char *p;
43 const char *a;
44 size_t count = 0;
45
46 for (p = s; *p != '\0'; ++p)
47 {
48 for (a = accept; *a != '\0'; ++a)
49 if (*p == *a)
50 break;
51 if (*a == '\0')
52 return count;
53 else
54 ++count;
55 }
56
57 return count;
58}