alsa-utils/alsamixer/mem.c

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/*
* 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/>.
*/
#define _GNU_SOURCE
#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;
}