root/libutil/checkalloc.c

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DEFINITIONS

This source file includes following definitions.
  1. check_malloc
  2. check_calloc
  3. check_realloc
  4. check_strdup

/*
 * Copyright (c) 2006 Tama Communications Corporation
 *
 * This file is part of GNU GLOBAL.
 *
 * 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 3 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/>.
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <string.h>

#include "checkalloc.h"
#include "die.h"
/*
 * Functions which allocate memory with check.
*/

/*
 * check_malloc: memory allocator
 */
void *
check_malloc(size_t size)
{
        void *p = (void *)malloc(size);
        if (p == NULL)
                die("short of memory.");
        return p;
}

/*
 * check_calloc: memory allocator
 */
void *
check_calloc(size_t number, size_t size)
{
        void *p = (void *)calloc(number, size);
        if (p == NULL)
                die("short of memory.");
        return p;
}
/*
 * check_realloc: memory allocator
 */
void *
check_realloc(void *area, size_t size)
{
        void *p = (void *)realloc(area, size);
        if (p == NULL)
                die("short of memory.");
        return p;
}
/*
 * check_strdup: allocate memory and copy string to it.
 *
 *      i)      string  original string
 *      r)              allocated memory
 */
char *
check_strdup(const char *string)
{
        char *p = check_malloc(strlen(string) + 1);
        strcpy(p, string);
        return p;
}

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