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mem.c

/*
 * 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;
}

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