-/* (C)opyright MMVII Anselm R. Garbe <garbeam 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 <sys/wait.h>
-#include <unistd.h>
+#include <string.h>
-/* extern */
+#include "util.h"
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
-eprint(const char *errstr, ...) {
+die(const char *fmt, ...) {
va_list ap;
- va_start(ap, errstr);
- vfprintf(stderr, errstr, ap);
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
va_end(ap);
- exit(EXIT_FAILURE);
-}
-
-void *
-erealloc(void *ptr, unsigned int size) {
- void *res = realloc(ptr, size);
-
- if(!res)
- eprint("fatal: could not malloc() %u bytes\n", size);
- return res;
-}
-
-void
-spawn(Arg *arg) {
- static char *shell = NULL;
- if(!shell && !(shell = getenv("SHELL")))
- shell = "/bin/sh";
- if(!arg->cmd)
- 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->cmd, (char *)NULL);
- fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg->cmd);
- perror(" failed");
- }
- exit(0);
+ if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
+ fputc(' ', stderr);
+ perror(NULL);
+ } else {
+ fputc('\n', stderr);
}
- wait(0);
+
+ exit(1);
}