/* Copy memory to memory until the specified number of bytes has been copied with error checking. Overlap is handled correctly. Copyright (C) 1991-2016 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Torbjorn Granlund (tege@sics.se). 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 . */ #include #include #ifndef MEMMOVE_CHK # define MEMMOVE_CHK __memmove_chk #endif void * MEMMOVE_CHK (void *dest, const void *src, size_t len, size_t destlen) { if (__glibc_unlikely (destlen < len)) __chk_fail (); return memmove (dest, src, len); }