]>
Commit | Line | Data |
---|---|---|
04277e02 | 1 | /* Copyright (C) 1991-2019 Free Software Foundation, Inc. |
41bdb6e2 | 2 | This file is part of the GNU C Library. |
482eec0d UD |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
482eec0d UD |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
482eec0d | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
482eec0d | 17 | |
3038145c | 18 | #include <string.h> |
8fa11673 | 19 | #include <libc-diag.h> |
482eec0d | 20 | |
7af8b946 AZ |
21 | #ifndef RAWMEMCHR |
22 | # define RAWMEMCHR __rawmemchr | |
23 | #endif | |
482eec0d | 24 | |
28e35124 | 25 | /* Find the first occurrence of C in S. */ |
3038145c WD |
26 | void * |
27 | RAWMEMCHR (const void *s, int c) | |
482eec0d | 28 | { |
8fa11673 JM |
29 | DIAG_PUSH_NEEDS_COMMENT; |
30 | #if __GNUC_PREREQ (7, 0) | |
31 | /* GCC 8 warns about the size passed to memchr being larger than | |
32 | PTRDIFF_MAX; the use of SIZE_MAX is deliberate here. */ | |
33 | DIAG_IGNORE_NEEDS_COMMENT (8, "-Wstringop-overflow="); | |
34 | #endif | |
3038145c WD |
35 | if (c != '\0') |
36 | return memchr (s, c, (size_t)-1); | |
8fa11673 | 37 | DIAG_POP_NEEDS_COMMENT; |
3038145c | 38 | return (char *)s + strlen (s); |
482eec0d | 39 | } |
37ba7d66 | 40 | libc_hidden_def (__rawmemchr) |
482eec0d | 41 | weak_alias (__rawmemchr, rawmemchr) |