util.c

   1 /*
   2  * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
   3  * See LICENSE file for license details.
   4  */
   5 #include "dmenu.h"
   6 #include <stdarg.h>
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9 #include <string.h>
  10 #include <sys/wait.h>
  11 #include <unistd.h>
  12
  13 /* static */
  14
  15 static void
  16 badmalloc(unsigned int size) {
  17         eprint("fatal: could not malloc() %u bytes\n", size);
  18 }
  19
  20 /* extern */
  21
  22 void *
  23 emalloc(unsigned int size) {
  24         void *res = malloc(size);
  25         if(!res)
  26                 badmalloc(size);
  27         return res;
  28 }
  29
  30 void
  31 eprint(const char *errstr, ...) {
  32         va_list ap;
  33
  34         va_start(ap, errstr);
  35         vfprintf(stderr, errstr, ap);
  36         va_end(ap);
  37         exit(EXIT_FAILURE);
  38 }
  39
  40 char *
  41 estrdup(const char *str) {
  42         void *res = strdup(str);
  43         if(!res)
  44                 badmalloc(strlen(str));
  45         return res;
  46 }