* pthreadP.h (PTHREAD_RWLOCK_PREFER_READER_P): Define.
[glibc/pb-stable.git] / wcsmbs / wcsdup.c
blob185836cb4aa953692661cd6fc69752c3d44c082e
1 /* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <wchar.h>
21 #include <string.h>
22 #include <stdlib.h>
25 /* Duplicate S, returning an identical malloc'd string. */
26 wchar_t *
27 wcsdup (s)
28 const wchar_t *s;
30 size_t len = (__wcslen (s) + 1) * sizeof (wchar_t);
31 void *new = malloc (len);
33 if (new == NULL)
34 return NULL;
36 return (wchar_t *) memcpy (new, (void *) s, len);