ubuntu-buildroot/output/build/glibc-2.36-81-g4f4d7a13edfd.../debug/mempcpy_chk.c

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2024-04-01 15:19:46 +00:00
/* Copy memory to memory until the specified number of bytes
has been copied, return pointer to following byte, with error checking.
Overlap is NOT handled correctly.
Copyright (C) 1991-2022 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
<https://www.gnu.org/licenses/>. */
#include <string.h>
#include <memcopy.h>
void *
__mempcpy_chk (void *dstpp, const void *srcpp, size_t len, size_t dstlen)
{
if (__glibc_unlikely (dstlen < len))
__chk_fail ();
return __mempcpy (dstpp, srcpp, len);
}