small changes to dwm.1, rearranged order within main event loop

[dwm.git] / util.c

diff --git a/util.c b/util.c
index e29d8b0..2414b39 100644 (file)
--- a/util.c
+++ b/util.c
@@ -40,20 +40,32 @@ eprint(const char *errstr, ...)
        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)
 {
-       char **argv = (char **)arg->argv;
+       static char *shell = NULL;
+
+       if(!shell && !(shell = getenv("SHELL")))
+               shell = "/bin/sh";
 
-       if(!argv || !argv[0])
+       if(!arg->cmd)
                return;
        if(fork() == 0) {
                if(fork() == 0) {
                        if(dpy)
                                close(ConnectionNumber(dpy));
                        setsid();
-                       execvp(argv[0], argv);
-                       fprintf(stderr, "dwm: execvp %s", argv[0]);
+                       execl(shell, shell, "-c", arg->cmd, NULL);
+                       fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg->cmd);
                        perror(" failed");
                }
                exit(0);