usr/src/lib/libc/port/i18n/wscpy.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 (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved.
  24  */
  25
  26 /*      Copyright (c) 1986 AT&T */
  27 /*        All Rights Reserved   */
  28
  29 /*
  30  * wcscpy(): copy string s2 to s1. S1 must be large enough.
  31  * Return s1.
  32  *
  33  * wcpcpy(): copy string s2 to s1. S1 must be large enough.
  34  * Return a pointer to the terminating null character of s1.
  35  */
  36
  37 #pragma weak _wcscpy = wcscpy
  38 #pragma weak _wscpy = wscpy
  39
  40 #include "lint.h"
  41 #include <stdlib.h>
  42 #include <wchar.h>
  43
  44 wchar_t *
  45 wcscpy(wchar_t *s1, const wchar_t *s2)
  46 {
  47         wchar_t *os1 = s1;
  48
  49         while (*s1++ = *s2++)
  50                 continue;
  51         return (os1);
  52 }
  53
  54 wchar_t *
  55 wscpy(wchar_t *s1, const wchar_t *s2)
  56 {
  57         return (wcscpy(s1, s2));
  58 }
  59
  60 wchar_t *
  61 wcpcpy(wchar_t *s1, const wchar_t *s2)
  62 {
  63         while (*s1++ = *s2++)
  64                 continue;
  65         return (s1 - 1);
  66 }