#include <stdlib.h>
#include "misc.h"

void *emalloc(size_t nbytes) {
	void *p = malloc(nbytes);

	if (p == NULL)
		error("out of memory (emalloc(%lu))\n",
			(unsigned long)nbytes);
	return p;
}

void *ecalloc(size_t nelem, size_t elsize) {
	void *p = calloc(nelem, elsize);

	if (p == NULL)
		error("out of memory (ecalloc(%lu,%lu))\n",
			(unsigned long)nelem, (unsigned long)elsize);
	return p;
}

void *erealloc(void *ptr, size_t nbytes) {
	void *p = realloc(ptr, nbytes);

	if (nbytes != 0 && p == NULL)
		error("out of memory (erealloc(%p,%lu))\n",
			ptr, (unsigned long)nbytes);
	return p;
}