From b77d6fc782a099cca49c4e6fc8fb38dfd910e951 Mon Sep 17 00:00:00 2001
From: millert <millert@openbsd.org>
Date: Fri, 7 Mar 1997 02:15:18 +0000
Subject: [PATCH] From NetBSD (christos) [fixed typo introduced in comment]:   
  If ``who'' was not specified, set the appropriate bits as the manual    
 page states.  ``chmod +s foo''  and ``chmod +t dir'' now work.

---
 lib/libc/gen/setmode.c | 29 +++++++++++++++++++++--------
 1 file changed, 21 insertions(+), 8 deletions(-)

diff --git a/lib/libc/gen/setmode.c b/lib/libc/gen/setmode.c
index 7a19512deda..bbf50532836 100644
--- a/lib/libc/gen/setmode.c
+++ b/lib/libc/gen/setmode.c
@@ -1,3 +1,6 @@
+/*	$OpenBSD: setmode.c,v 1.5 1997/03/07 02:15:18 millert Exp $	*/
+/*	$NetBSD: setmode.c,v 1.15 1997/02/07 22:21:06 christos Exp $	*/
+
 /*
  * Copyright (c) 1989, 1993, 1994
  *	The Regents of the University of California.  All rights reserved.
@@ -35,7 +38,11 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char rcsid[] = "$OpenBSD: setmode.c,v 1.4 1996/08/19 08:25:55 tholo Exp $";
+#if 0
+static char sccsid[] = "@(#)setmode.c	8.2 (Berkeley) 3/25/94";
+#else
+static char rcsid[] = "$OpenBSD: setmode.c,v 1.5 1997/03/07 02:15:18 millert Exp $";
+#endif
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>
@@ -87,10 +94,10 @@ getmode(bbox, omode)
 	mode_t omode;
 #endif
 {
-	register BITCMD *set;
+	register const BITCMD *set;
 	register mode_t clrval, newmode, value;
 
-	set = (BITCMD *)bbox;
+	set = (const BITCMD *)bbox;
 	newmode = omode;
 	for (value = 0;; set++)
 		switch(set->cmd) {
@@ -258,13 +265,19 @@ getop:		if ((op = *p++) != '+' && op != '-' && op != '=') {
 				perm |= S_IRUSR|S_IRGRP|S_IROTH;
 				break;
 			case 's':
-				/* If only "other" bits ignore set-id. */
-				if (who & ~S_IRWXO)
+				/*
+				 * If specific bits where requested and
+				 * only "other" bits ignore set-id.
+				 */
+				if (who == 0 || (who & ~S_IRWXO))
 					perm |= S_ISUID|S_ISGID;
 				break;
 			case 't':
-				/* If only "other" bits ignore sticky. */
-				if (who & ~S_IRWXO) {
+				/*
+				 * If specific bits where requested and
+				 * only "other" bits ignore sticky.
+				 */
+				if (who == 0 || (who & ~S_IRWXO)) {
 					who |= S_ISTXT;
 					perm |= S_ISTXT;
 				}
@@ -403,7 +416,7 @@ dumpmode(set)
 /*
  * Given an array of bitcmd structures, compress by compacting consecutive
  * '+', '-' and 'X' commands into at most 3 commands, one of each.  The 'u',
- * 'g' and 'o' commands continue to be separate.  They could probably be 
+ * 'g' and 'o' commands continue to be separate.  They could probably be
  * compacted, but it's not worth the effort.
  */
 static void
-- 
2.20.1