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local/src/dwm/util.c

   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 }