dwm

Simple dynamic window manager for X
git clone https://git.sinitax.com/suckless/dwm
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util.c (517B)


      1/* See LICENSE file for copyright and license details. */
      2#include <stdarg.h>
      3#include <stdio.h>
      4#include <stdlib.h>
      5#include <string.h>
      6
      7#include "util.h"
      8
      9void
     10die(const char *fmt, ...)
     11{
     12	va_list ap;
     13
     14	va_start(ap, fmt);
     15	vfprintf(stderr, fmt, ap);
     16	va_end(ap);
     17
     18	if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
     19		fputc(' ', stderr);
     20		perror(NULL);
     21	} else {
     22		fputc('\n', stderr);
     23	}
     24
     25	exit(1);
     26}
     27
     28void *
     29ecalloc(size_t nmemb, size_t size)
     30{
     31	void *p;
     32
     33	if (!(p = calloc(nmemb, size)))
     34		die("calloc:");
     35	return p;
     36}