/*
 * malloc.c: safe wrappers around malloc, realloc, free
 */

#include <stdlib.h>

/*
 * smalloc should guarantee to return a useful pointer - Halibut
 * can do nothing except die when it's out of memory anyway.
 */
void *smalloc(size_t size) {
    void *p;
    p = malloc(size);
    //if (!p)
    //	fatal("out of memory");
    return p;
}

/*
 * sfree should guaranteeably deal gracefully with freeing NULL
 */
void sfree(void *p) {
    if (p) {
	free(p);
    }
}

/*
 * srealloc should guaranteeably be able to realloc NULL
 */
void *srealloc(void *p, size_t size) {
    void *q;
    if (p) {
	q = realloc(p, size);
    } else {
	q = malloc(size);
    }
    //if (!q)
    //	fatal("out of memory");
    return q;
}
