nixos-dotfiles

/* See LICENSE file for copyright and license details. */

#include <errno.h>

#include <stdarg.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include "util.h"

void

die(const char *fmt, ...)

{

	va_list ap;

	int saved_errno;

	saved_errno = errno;

	va_start(ap, fmt);

	vfprintf(stderr, fmt, ap);

	va_end(ap);

	if (fmt[0] && fmt[strlen(fmt)-1] == ':')

		fprintf(stderr, " %s", strerror(saved_errno));

	fputc('\n', stderr);

	exit(1);

}

void *

ecalloc(size_t nmemb, size_t size)

{

	void *p;

	if (!(p = calloc(nmemb, size)))

		die("calloc:");

	return p;

}