Yasm Assembler mainline development tree (ffmpeg 依赖)
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/* $IdPath$
* strdup() implementation with error checking (using xmalloc).
*
* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)strdup.c 8.1 (Berkeley) 6/4/93";
#endif /* LIBC_SCCS and not lint */
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "util.h"
#ifdef STDC_HEADERS
# include <stddef.h>
# include <stdlib.h>
# include <string.h>
#else
size_t strlen(const char *);
# ifndef HAVE_MEMCPY
void bcopy(const void *, void *, size_t);
# define memcpy(d, s, n) bcopy((s), (d), (n))
# else
void memcpy(void *, const void *, size_t);
# endif
#endif
RCSID("$IdPath$");
char *
xstrdup(const char *str)
{
size_t len;
char *copy;
len = strlen(str) + 1;
copy = xmalloc(len);
memcpy(copy, str, len);
return (copy);
}