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/*
* Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.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:
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 "defs.h"
void die_out_of_memory(void)
{
static bool recursed = false;
if (recursed)
exit(1);
recursed = 1;
error_msg_and_die("Out of memory");
}
void *xmalloc(size_t size)
{
void *p = malloc(size);
if (!p)
die_out_of_memory();
return p;
}
void *xcalloc(size_t nmemb, size_t size)
{
void *p = calloc(nmemb, size);
if (!p)
die_out_of_memory();
return p;
}
#define HALF_SIZE_T (((size_t) 1) << (sizeof(size_t) * 4))
void *xreallocarray(void *ptr, size_t nmemb, size_t size)
{
size_t bytes = nmemb * size;
if ((nmemb | size) >= HALF_SIZE_T &&
size && bytes / size != nmemb)
die_out_of_memory();
void *p = realloc(ptr, bytes);
if (!p)
die_out_of_memory();
return p;
}
char *xstrdup(const char *str)
{
char *p = strdup(str);
if (!p)
die_out_of_memory();
return p;
}
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