diff options
Diffstat (limited to 'REORG.TODO/string/rawmemchr.c')
-rw-r--r-- | REORG.TODO/string/rawmemchr.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/REORG.TODO/string/rawmemchr.c b/REORG.TODO/string/rawmemchr.c new file mode 100644 index 0000000000..42a3f8aaba --- /dev/null +++ b/REORG.TODO/string/rawmemchr.c @@ -0,0 +1,41 @@ +/* Copyright (C) 1991-2017 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) |