dwm

X window manager from suckless utilities
git clone git://git.thepablogq.xyz/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 
      9 void *
     10 ecalloc(size_t nmemb, size_t size)
     11 {
     12 	void *p;
     13 
     14 	if (!(p = calloc(nmemb, size)))
     15 		die("calloc:");
     16 	return p;
     17 }
     18 
     19 void
     20 die(const char *fmt, ...) {
     21 	va_list ap;
     22 
     23 	va_start(ap, fmt);
     24 	vfprintf(stderr, fmt, ap);
     25 	va_end(ap);
     26 
     27 	if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
     28 		fputc(' ', stderr);
     29 		perror(NULL);
     30 	} else {
     31 		fputc('\n', stderr);
     32 	}
     33 
     34 	exit(1);
     35 }