/* * Copyright (C) Narf Industries * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "cgc_memcmp.h" int cgc_memcmp(void *s1, void *s2, unsigned int cnt) { unsigned char *p_s1 = (unsigned char *)s1; unsigned char *p_s2 = (unsigned char *)s2; if (0 == cnt) { return 0; } unsigned int idx = 0; while ((idx < cnt) && (p_s1[idx] == p_s2[idx])) { idx++; } if (idx == cnt) { return 0; } else if (p_s1[idx] > p_s2[idx]) { return 1; } else { return -1; } }