1 /* Compare two memory areas with possibly different lengths. 2 Copyright (C) 2009-2021 Free Software Foundation, Inc. 3 4 This file is free software: you can redistribute it and/or modify 5 it under the terms of the GNU Lesser General Public License as 6 published by the Free Software Foundation; either version 2.1 of the 7 License, or (at your option) any later version. 8 9 This file is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 GNU Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public License 15 along with this program. If not, see <https://www.gnu.org/licenses/>. */ 16 17 #ifndef MEMCMP2_H 18 #define MEMCMP2_H 19 20 #include <stddef.h> 21 22 #ifdef __cplusplus 23 extern "C" { 24 #endif 25 26 27 /* Compare the memory regions S1 = [s1..s1+N1-1], S2 = [s2..s2+n2-1], 28 lexicographically. 29 This function's result is locale independent, unlike memcoll()'s. 30 Return a negative number if S1 < S2, a positive number if S1 > S2, or 31 0 if S1 and S2 have the same contents. */ 32 extern int memcmp2 (const char *s1, size_t n1, const char *s2, size_t n2) 33 _GL_ATTRIBUTE_PURE; 34 35 36 #ifdef __cplusplus 37 } 38 #endif 39 40 #endif /* MEMCMP2_H */