[hackers] [dwm] spawn: reduce 2 lines, change fprintf() + perror() + exit() to die("... :") || explosion-mental

[git]

commit 5b2e5e7a4001479e4dc3e245f96e49f7ea0da658
Author:     explosion-mental <explosion0men...@gmail.com>
AuthorDate: Fri Jul 29 18:26:04 2022 -0500
Commit:     Hiltjo Posthuma <hil...@codemadness.org>
CommitDate: Tue Aug 2 18:08:51 2022 +0200

    spawn: reduce 2 lines, change fprintf() + perror() + exit() to die("... :")
    
    when calling die and the last character of the string corresponds to
    ':', die() will call perror(). See util.c
    
    Also change EXIT_SUCCESS to EXIT_FAILURE

diff --git a/dwm.c b/dwm.c
index c0c3b9b..61713b7 100644
--- a/dwm.c
+++ b/dwm.c
@@ -1653,9 +1653,7 @@ spawn(const Arg *arg)
                        close(ConnectionNumber(dpy));
                setsid();
                execvp(((char **)arg->v)[0], (char **)arg->v);
-               fprintf(stderr, "dwm: execvp %s", ((char **)arg->v)[0]);
-               perror(" failed");
-               exit(EXIT_SUCCESS);
+               die("dwm: execvp '%s' failed:", ((char **)arg->v)[0]);
        }
 }