usr/src/lib/libc/port/i18n/wscmp.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1986 AT&T */
  28 /*        All Rights Reserved   */
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 /*
  33  * Compare strings:  s1>s2: >0  s1==s2: 0  s1<s2: <0
  34  */
  35
  36 #pragma weak _wcscmp = wcscmp
  37 #pragma weak _wscmp = wscmp
  38
  39 #include "lint.h"
  40 #include <stdlib.h>
  41 #include <wchar.h>
  42
  43 int
  44 wcscmp(const wchar_t *s1, const wchar_t *s2)
  45 {
  46         if (s1 == s2)
  47                 return (0);
  48
  49         while (*s1 == *s2++)
  50                 if (*s1++ == 0)
  51                         return (0);
  52         return (*s1 - *(s2 - 1));
  53 }
  54
  55 int
  56 wscmp(const wchar_t *s1, const wchar_t *s2)
  57 {
  58         return (wcscmp(s1, s2));
  59 }