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/*
* (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 functions */
static void
bad_malloc(unsigned int size)
{
fprintf(stderr, "fatal: could not malloc() %d bytes\n",
(int) size);
exit(1);
}
/* extern functions */
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(1);
}
void
spawn(Arg *arg)
{
char **argv = (char **)arg->argv;
if(!argv || !argv[0])
return;
if(fork() == 0) {
if(fork() == 0) {
if(dpy)
close(ConnectionNumber(dpy));
setsid();
execvp(argv[0], argv);
fprintf(stderr, "dwm: execvp %s", argv[0]);
perror(" failed");
}
exit (0);
}
wait(0);
}
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