| /* Copyright (C) 1991-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <string.h> |
| #include <libc-diag.h> |
| |
| #ifndef RAWMEMCHR |
| # define RAWMEMCHR __rawmemchr |
| #endif |
| |
| /* Find the first occurrence of C in S. */ |
| void * |
| RAWMEMCHR (const void *s, int c) |
| { |
| DIAG_PUSH_NEEDS_COMMENT; |
| #if __GNUC_PREREQ (7, 0) |
| /* GCC 8 warns about the size passed to memchr being larger than |
| PTRDIFF_MAX; the use of SIZE_MAX is deliberate here. */ |
| DIAG_IGNORE_NEEDS_COMMENT (8, "-Wstringop-overflow="); |
| #endif |
| if (c != '\0') |
| return memchr (s, c, (size_t)-1); |
| DIAG_POP_NEEDS_COMMENT; |
| return (char *)s + strlen (s); |
| } |
| libc_hidden_def (__rawmemchr) |
| weak_alias (__rawmemchr, rawmemchr) |
