1 /* © 2004-2007 Anselm R. Garbe <garbeam at gmail dot com>
2 * See LICENSE file for license details. */
13 emallocz(unsigned int size) {
14 void *res = calloc(1, size);
17 eprint("fatal: could not malloc() %u bytes\n", size);
22 eprint(const char *errstr, ...) {
26 vfprintf(stderr, errstr, ap);
32 spawn(const char *arg) {
33 static char *shell = NULL;
35 if(!shell && !(shell = getenv("SHELL")))
39 /* The double-fork construct avoids zombie processes and keeps the code
40 * clean from stupid signal handlers. */
44 close(ConnectionNumber(dpy));
46 execl(shell, shell, "-c", arg, (char *)NULL);
47 fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg);