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 bad_malloc(unsigned int size)
  17 {
  18         eprint("fatal: could not malloc() %u bytes\n", size);
  19 }
  20
  21 /* extern */
  22
  23 void *
  24 emalloc(unsigned int size)
  25 {
  26         void *res = malloc(size);
  27         if(!res)
  28                 bad_malloc(size);
  29         return res;
  30 }
  31
  32 void
  33 eprint(const char *errstr, ...)
  34 {
  35         va_list ap;
  36
  37         va_start(ap, errstr);
  38         vfprintf(stderr, errstr, ap);
  39         va_end(ap);
  40         exit(EXIT_FAILURE);
  41 }
  42
  43 char *
  44 estrdup(const char *str)
  45 {
  46         void *res = strdup(str);
  47         if(!res)
  48                 bad_malloc(strlen(str));
  49         return res;
  50 }