43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
/* Copyright (C) 1991-2019 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>
|
|
|
|
#undef __memccpy
|
|
#undef memccpy
|
|
|
|
#ifdef MEMCCPY
|
|
# define __memccpy MEMCCPY
|
|
#endif
|
|
|
|
/* Copy no more than N bytes of SRC to DEST, stopping when C is found.
|
|
Return the position in DEST one byte past where C was copied, or
|
|
NULL if C was not found in the first N bytes of SRC. */
|
|
void *
|
|
__memccpy (void *dest, const void *src, int c, size_t n)
|
|
{
|
|
void *p = memchr (src, c, n);
|
|
|
|
if (p != NULL)
|
|
return __mempcpy (dest, src, p - src + 1);
|
|
|
|
memcpy (dest, src, n);
|
|
return NULL;
|
|
}
|
|
|
|
weak_alias (__memccpy, memccpy)
|