rm_/lib/memcmp2.c
2022-07-28 14:16:50 +08:00

32 lines
1.0 KiB
C

/* Compare two memory areas with possibly different lengths.
Copyright (C) 2009-2022 Free Software Foundation, Inc.
This file 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.
This file 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 this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include "memcmp2.h"
#include <string.h>
int
memcmp2 (const char *s1, size_t n1, const char *s2, size_t n2)
{
int cmp = memcmp (s1, s2, n1 <= n2 ? n1 : n2);
if (cmp == 0)
cmp = _GL_CMP (n1, n2);
return cmp;
}