// SPDX-License-Identifier: GPL-2.0-only
/* Based on labwc (https://github.com/labwc/labwc) */
#define _POSIX_C_SOURCE 200809L
#include "mem.h"
#include <assert.h>
#include <stdio.h>
#include <string.h>

static void die_if_null(void *ptr) {
	if (!ptr) {
		perror("Failed to allocate memory");
		exit(EXIT_FAILURE);
	}
}

void *xzalloc(size_t size) {
	if (!size) {
		return NULL;
	}
	void *ptr = calloc(1, size);
	die_if_null(ptr);
	return ptr;
}

void *xrealloc(void *ptr, size_t size) {
	if (!size) {
		free(ptr);
		return NULL;
	}
	ptr = realloc(ptr, size);
	die_if_null(ptr);
	return ptr;
}

char *xstrdup(const char *str) {
	assert(str);
	char *copy = strdup(str);
	die_if_null(copy);
	return copy;
}