/*

 * mem.c - memory allocation checkers

 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program.  If not, see <http://www.gnu.org/licenses/>.

 */

#include "aconfig.h"

#include <stdio.h>

#include <stdlib.h>

#include <stdarg.h>

#include <string.h>

#include <errno.h>

#include "die.h"

#include "mem.h"

static void check(void *p)

{

	if (!p)

		fatal_error("out of memory");

}

void *ccalloc(size_t n, size_t size)

{

	void *mem = calloc(n, size);

	if (n && size)

		check(mem);

	return mem;

}

void *crealloc(void *ptr, size_t new_size)

{

	ptr = realloc(ptr, new_size);

	if (new_size)

		check(ptr);

	return ptr;

}

char *cstrdup(const char *s)

{

	char *str = strdup(s);

	check(str);

	return str;

}

char *casprintf(const char *fmt, ...)

{

	va_list ap;

	char *str;

	va_start(ap, fmt);

	if (vasprintf(&str, fmt, ap) < 0)

		check(NULL);

	va_end(ap);

	return str;

}