diff options
Diffstat (limited to 'lib/memcmp2.c')
-rw-r--r-- | lib/memcmp2.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/lib/memcmp2.c b/lib/memcmp2.c new file mode 100644 index 0000000..5780596 --- /dev/null +++ b/lib/memcmp2.c @@ -0,0 +1,31 @@ +/* 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; +} |