add pledge(2), it only needs rpath if reading from a file

hint from tb@ and OK ratchov@

diff --git a/usr.bin/midiplay/midiplay.c b/usr.bin/midiplay/midiplay.c
index ab400fd..4eb7951 100644 (file)
--- a/usr.bin/midiplay/midiplay.c
+++ b/usr.bin/midiplay/midiplay.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: midiplay.c,v 1.20 2018/07/20 21:44:41 mestre Exp $    */
+/*     $OpenBSD: midiplay.c,v 1.21 2018/07/20 21:47:07 mestre Exp $    */
 /*     $NetBSD: midiplay.c,v 1.8 1998/11/25 22:17:07 augustss Exp $    */
 
 /*
@@ -463,6 +463,14 @@ main(int argc, char **argv)
        if (setitimer(ITIMER_REAL, &it, NULL) < 0)
                err(1, "setitimer");
 
+       if (example || argc == 0) {
+               if (pledge("stdio", NULL) == -1)
+                       err(1, "pledge");
+       } else {
+               if (pledge("stdio rpath", NULL) == -1)
+                       err(1, "pledge");
+       }
+
        if (example)
                playdata(sample, sizeof sample, "<Gubben Noa>");
        else if (argc == 0)