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/* $Id: mem.c,v 1.1.1.1 2010/07/17 17:30:32 culot Exp $ */
/*
* Copyright (c) 2010 Frederic Culot <frederic@culot.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
*
* - 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
* OWNER 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.
*/
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include "oldrunner.h"
void *
xmalloc (size_t size)
{
void *p;
EXIT_IF (size == 0, "xmalloc: zero size");
p = malloc (size);
EXIT_IF (p == 0, "xmalloc: out of memory");
return p;
}
void *
xcalloc (size_t nmemb, size_t size)
{
void *p;
EXIT_IF (nmemb == 0 || size == 0, "xcalloc: zero size");
EXIT_IF (SIZE_MAX / nmemb < size, "xcalloc: overflow");
p = calloc (nmemb, size);
EXIT_IF (p == 0, "xcalloc: out of memory");
return p;
}
void *
xrealloc (void *ptr, size_t nmemb, size_t size)
{
void *new_ptr;
size_t new_size;
new_size = nmemb * size;
EXIT_IF (new_size == 0, "xrealloc: zero size");
EXIT_IF (SIZE_MAX / nmemb < size, "xrealloc: overflow");
new_ptr = realloc (ptr, new_size);
EXIT_IF (new_ptr == 0, "xrealloc: out of memory");
return new_ptr;
}
char *
xstrdup (const char *str)
{
size_t len;
char *cp;
len = strlen (str) + 1;
cp = xmalloc (len);
return strncpy (cp, str, len);
}
void
xfree (void *p)
{
EXIT_IF (p == 0, "xfree: null pointer");
free (p);
}
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