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Diffstat (limited to 'lib/memcmp2.h')
-rw-r--r-- | lib/memcmp2.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/lib/memcmp2.h b/lib/memcmp2.h new file mode 100644 index 0000000..1a3c342 --- /dev/null +++ b/lib/memcmp2.h @@ -0,0 +1,40 @@ +/* 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/>. */ + +#ifndef MEMCMP2_H +#define MEMCMP2_H + +#include <stddef.h> + +#ifdef __cplusplus +extern "C" { +#endif + + +/* Compare the memory regions S1 = [s1..s1+N1-1], S2 = [s2..s2+n2-1], + lexicographically. + This function's result is locale independent, unlike memcoll()'s. + Return a negative number if S1 < S2, a positive number if S1 > S2, or + 0 if S1 and S2 have the same contents. */ +extern int memcmp2 (const char *s1, size_t n1, const char *s2, size_t n2) + _GL_ATTRIBUTE_PURE; + + +#ifdef __cplusplus +} +#endif + +#endif /* MEMCMP2_H */ |