/* memcmp.c -- Replacement memcmp.c * * Useful on systems that don't have a working memcmp, such as SunOS * 4.1.3 and NeXT x86 OpenStep. * * Copyright (C) 2002 - 2003 Matthias Andree * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or (at * your option) any later version. * * This program 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 * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program (see the file COPYING included with this * distribution); if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include int memcmp (const void *s1, const void *s2, size_t n) { register unsigned const char *p1 = s1, *p2 = s2; int d; if (n) while (n-- > 0) { d = *p1++ - *p2++; if (d != 0) return d; } return 0; }