/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma ident "%Z%%M% %I% %E% SMI" /* * Compare strings ignoring case difference. * returns: s1>s2: >0 s1==s2: 0 s1<s2: <0 * All letters are converted to the lowercase and compared. */ #pragma weak _wsncasecmp = wsncasecmp #include "lint.h" #include <stdlib.h> #include <widec.h> #include "libc.h" int wsncasecmp(const wchar_t *s1, const wchar_t *s2, size_t n) { if (s1 == s2) return (0); n++; while (--n > 0 && towlower(*s1) == towlower(*s2++)) if (*s1++ == 0) return (0); return ((n == 0) ? 0 : (towlower(*s1) - towlower(*(s2 - 1)))); }