glibc/wcsmbs/wcsdup.c

37 lines
1.2 KiB
C

/* Copyright (C) 1995-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <wchar.h>
#include <string.h>
#include <stdlib.h>
/* Duplicate S, returning an identical malloc'd string. */
wchar_t *
wcsdup (s)
const wchar_t *s;
{
size_t len = (__wcslen (s) + 1) * sizeof (wchar_t);
void *new = malloc (len);
if (new == NULL)
return NULL;
return (wchar_t *) memcpy (new, (void *) s, len);
}