die() on calloc failure

[dwm.git] / util.c

diff --git a/util.c b/util.c
index effd9da..fe044fc 100644 (file)
--- a/util.c
+++ b/util.c
@@ -1,55 +1,35 @@
-/* © 2006-2007 Anselm R. Garbe <garbeam at gmail dot com>
- * © 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
- * © 2007 Premysl Hruby <dfenze at gmail dot com>
- * See LICENSE file for license details. */
-#include "dwm.h"
+/* See LICENSE file for copyright and license details. */

 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>

-#include <sys/wait.h>
-#include <unistd.h>
+#include <string.h>

 
 

-/* extern */
+#include "util.h"

 
 void *
 
 void *

-emallocz(unsigned int size) {
-       void *res = calloc(1, size);
+ecalloc(size_t nmemb, size_t size)
+{
+       void *p;

 
 

-       if(!res)
-               eprint("fatal: could not malloc() %u bytes\n", size);
-       return res;
+       if (!(p = calloc(nmemb, size)))
+               die("calloc:");
+       return p;

 }
 
 void
 }
 
 void

-eprint(const char *errstr, ...) {
+die(const char *fmt, ...) {

        va_list ap;
 
        va_list ap;
 

-       va_start(ap, errstr);
-       vfprintf(stderr, errstr, ap);
+       va_start(ap, fmt);
+       vfprintf(stderr, fmt, ap);

        va_end(ap);
        va_end(ap);

-       exit(EXIT_FAILURE);
-}
-
-void
-spawn(const char *arg) {
-       static char *shell = NULL;

 
 

-       if(!shell && !(shell = getenv("SHELL")))
-               shell = "/bin/sh";
-       if(!arg)
-               return;
-       /* The double-fork construct avoids zombie processes and keeps the code
-        * clean from stupid signal handlers. */
-       if(fork() == 0) {
-               if(fork() == 0) {
-                       if(dpy)
-                               close(ConnectionNumber(dpy));
-                       setsid();
-                       execl(shell, shell, "-c", arg, (char *)NULL);
-                       fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg);
-                       perror(" failed");
-               }
-               exit(0);
+       if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
+               fputc(' ', stderr);
+               perror(NULL);
+       } else {
+               fputc('\n', stderr);

        }
        }

-       wait(0);
+
+       exit(1);

 }
 }