/* $Id: strncasecmp.c,v 1.7 2011/01/25 16:30:48 ellson Exp $ $Revision: 1.7 $ */ /* vim:set shiftwidth=4 ts=8: */ /************************************************************************* * Copyright (c) 2011 AT&T Intellectual Property * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: See CVS logs. Details at http://www.graphviz.org/ *************************************************************************/ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <string.h> #include <ctype.h> int strncasecmp(const char *s1, const char *s2, unsigned int n) { if (n == 0) return 0; while ((n-- != 0) && (tolower(*(unsigned char *) s1) == tolower(*(unsigned char *) s2))) { if (n == 0 || *s1 == '\0' || *s2 == '\0') return 0; s1++; s2++; } return tolower(*(unsigned char *) s1) - tolower(*(unsigned char *) s2); }