## 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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