furnace/extern/macports-legacy-support/src/strndup.c
tildearrow 8b43d5a488 use macports-legacy-support for OS X
disabled for macOS onwards
modified version without APSL licensed files
2024-04-09 13:10:06 -05:00

67 lines
2.1 KiB
C

/*
* Copyright (c) 1995 - 1999 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* 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 Institute 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 INSTITUTE 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 INSTITUTE 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.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
// MP support header
#include "MacportsLegacySupport.h"
#if __MP_LEGACY_SUPPORT_STRNDUP__
#ifndef HAVE_STRNDUP
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include "strnlen.h"
char *
strndup (const char *old, size_t sz)
{
size_t len = strnlen (old, sz);
char *t = malloc(len + 1);
if (t != NULL) {
memcpy (t, old, len);
t[len] = '\0';
}
return t;
}
#endif /* HAVE_STRNDUP */
#endif /* __MP_LEGACY_SUPPORT_STRDUP__ */