|
|
- /*
- * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
- * See LICENSE file for license details.
- */
- #include "dwm.h"
- #include <stdarg.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <sys/wait.h>
- #include <unistd.h>
-
- /* static */
-
- static void
- bad_malloc(unsigned int size)
- {
- eprint("fatal: could not malloc() %u bytes\n", size);
- }
-
- /* extern */
-
- void *
- emallocz(unsigned int size)
- {
- void *res = calloc(1, size);
-
- if(!res)
- bad_malloc(size);
- return res;
- }
-
- void
- eprint(const char *errstr, ...)
- {
- va_list ap;
-
- va_start(ap, errstr);
- vfprintf(stderr, errstr, ap);
- va_end(ap);
- exit(EXIT_FAILURE);
- }
-
- void *
- erealloc(void *ptr, unsigned int size)
- {
- void *res = realloc(ptr, size);
- if(!res)
- bad_malloc(size);
- return res;
- }
-
- void
- spawn(Arg *arg)
- {
- static char *shell = NULL;
-
- if(!shell && !(shell = getenv("SHELL")))
- shell = "/bin/sh";
-
- if(!arg->cmd)
- return;
- if(fork() == 0) {
- if(fork() == 0) {
- if(dpy)
- close(ConnectionNumber(dpy));
- setsid();
- execl(shell, shell, "-c", arg->cmd, NULL);
- fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg->cmd);
- perror(" failed");
- }
- exit(0);
- }
- wait(0);
- }
|