cat(1): drop "rpath" promise in no-file case

If we're only working with the standard input we don't need "rpath".

Tweaked by mestre@.

Thread: https://marc.info/?l=openbsd-tech&m=163941848104274&w=2

No objections on tech@ after several weeks.

diff --git a/bin/cat/cat.c b/bin/cat/cat.c
index 129c369..a2eff2e 100644 (file)
--- a/bin/cat/cat.c
+++ b/bin/cat/cat.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: cat.c,v 1.33 2022/02/09 01:56:28 cheloha Exp $        */
+/*     $OpenBSD: cat.c,v 1.34 2022/02/09 01:58:57 cheloha Exp $        */
 /*     $NetBSD: cat.c,v 1.11 1995/09/07 06:12:54 jtc Exp $     */
 
 /*
@@ -95,6 +95,9 @@ main(int argc, char *argv[])
        argv += optind;
 
        if (argc == 0) {
+               if (pledge("stdio", NULL) == -1)
+                       err(1, "pledge");
+
                cat_file(NULL);
        } else {
                for (; *argv != NULL; argv++)