1/* Compare two memory areas with possibly different lengths. 2 Copyright (C) 2009, 2010 Free Software Foundation, Inc. 3 4 This program is free software: you can redistribute it and/or modify it 5 under the terms of the GNU Lesser General Public License as published 6 by the Free Software Foundation; either version 3 of the License, or 7 (at your option) any later version. 8 9 This program 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 GNU 12 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 <http://www.gnu.org/licenses/>. */ 16 17#include <config.h> 18 19/* Specification. */ 20#include "memcmp2.h" 21 22#include <string.h> 23 24int 25memcmp2 (const char *s1, size_t n1, const char *s2, size_t n2) 26{ 27 int cmp = memcmp (s1, s2, n1 <= n2 ? n1 : n2); 28 if (cmp == 0) 29 { 30 if (n1 < n2) 31 cmp = -1; 32 else if (n1 > n2) 33 cmp = 1; 34 } 35 return cmp; 36} 37