4 files changed, 37 insertions, 5 deletions

diff --git a/lib/libc/gen/setflags.c b/lib/libc/gen/setflags.c
index f0092fed9c49..b1e70628e527 100644
--- a/lib/libc/gen/setflags.c
+++ b/lib/libc/gen/setflags.c
@@ -30,7 +30,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id$
+ *	$Id: stat_flags.c,v 1.5 1997/02/22 14:04:02 peter Exp $
  */
 
 #ifndef lint
@@ -69,6 +69,8 @@ flags_to_string(flags, def)
 		SAPPEND("uappnd");
 	if (flags & UF_IMMUTABLE)
 		SAPPEND("uchg");
+	if (flags & UF_NOUNLINK)
+		SAPPEND("uunlnk");
 	if (flags & UF_NODUMP)
 		SAPPEND("nodump");
 	if (flags & UF_OPAQUE)
@@ -79,6 +81,8 @@ flags_to_string(flags, def)
 		SAPPEND("arch");
 	if (flags & SF_IMMUTABLE)
 		SAPPEND("schg");
+	if (flags & SF_NOUNLINK)
+		SAPPEND("sunlnk");
 	return (prefix == NULL && def != NULL ? def : string);
 }
 
@@ -139,6 +143,8 @@ string_to_flags(stringp, setp, clrp)
 			TEST(p, "schg", SF_IMMUTABLE);
 			TEST(p, "schange", SF_IMMUTABLE);
 			TEST(p, "simmutable", SF_IMMUTABLE);
+			TEST(p, "sunlnk", SF_NOUNLINK);
+			TEST(p, "sunlink", SF_NOUNLINK);
 			return (1);
 		case 'u':
 			TEST(p, "uappnd", UF_APPEND);
@@ -146,6 +152,8 @@ string_to_flags(stringp, setp, clrp)
 			TEST(p, "uchg", UF_IMMUTABLE);
 			TEST(p, "uchange", UF_IMMUTABLE);
 			TEST(p, "uimmutable", UF_IMMUTABLE);
+			TEST(p, "uunlnk", UF_NOUNLINK);
+			TEST(p, "uunlink", UF_NOUNLINK);
 			/* FALLTHROUGH */
 		default:
 			return (1);
diff --git a/lib/libc/gen/setflagsbyname.c b/lib/libc/gen/setflagsbyname.c
index f0092fed9c49..b1e70628e527 100644
--- a/lib/libc/gen/setflagsbyname.c
+++ b/lib/libc/gen/setflagsbyname.c
@@ -30,7 +30,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id$
+ *	$Id: stat_flags.c,v 1.5 1997/02/22 14:04:02 peter Exp $
  */
 
 #ifndef lint
@@ -69,6 +69,8 @@ flags_to_string(flags, def)
 		SAPPEND("uappnd");
 	if (flags & UF_IMMUTABLE)
 		SAPPEND("uchg");
+	if (flags & UF_NOUNLINK)
+		SAPPEND("uunlnk");
 	if (flags & UF_NODUMP)
 		SAPPEND("nodump");
 	if (flags & UF_OPAQUE)
@@ -79,6 +81,8 @@ flags_to_string(flags, def)
 		SAPPEND("arch");
 	if (flags & SF_IMMUTABLE)
 		SAPPEND("schg");
+	if (flags & SF_NOUNLINK)
+		SAPPEND("sunlnk");
 	return (prefix == NULL && def != NULL ? def : string);
 }
 
@@ -139,6 +143,8 @@ string_to_flags(stringp, setp, clrp)
 			TEST(p, "schg", SF_IMMUTABLE);
 			TEST(p, "schange", SF_IMMUTABLE);
 			TEST(p, "simmutable", SF_IMMUTABLE);
+			TEST(p, "sunlnk", SF_NOUNLINK);
+			TEST(p, "sunlink", SF_NOUNLINK);
 			return (1);
 		case 'u':
 			TEST(p, "uappnd", UF_APPEND);
@@ -146,6 +152,8 @@ string_to_flags(stringp, setp, clrp)
 			TEST(p, "uchg", UF_IMMUTABLE);
 			TEST(p, "uchange", UF_IMMUTABLE);
 			TEST(p, "uimmutable", UF_IMMUTABLE);
+			TEST(p, "uunlnk", UF_NOUNLINK);
+			TEST(p, "uunlink", UF_NOUNLINK);
 			/* FALLTHROUGH */
 		default:
 			return (1);
diff --git a/lib/libc/gen/strtofflags.c b/lib/libc/gen/strtofflags.c
index f0092fed9c49..b1e70628e527 100644
--- a/lib/libc/gen/strtofflags.c
+++ b/lib/libc/gen/strtofflags.c
@@ -30,7 +30,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id$
+ *	$Id: stat_flags.c,v 1.5 1997/02/22 14:04:02 peter Exp $
  */
 
 #ifndef lint
@@ -69,6 +69,8 @@ flags_to_string(flags, def)
 		SAPPEND("uappnd");
 	if (flags & UF_IMMUTABLE)
 		SAPPEND("uchg");
+	if (flags & UF_NOUNLINK)
+		SAPPEND("uunlnk");
 	if (flags & UF_NODUMP)
 		SAPPEND("nodump");
 	if (flags & UF_OPAQUE)
@@ -79,6 +81,8 @@ flags_to_string(flags, def)
 		SAPPEND("arch");
 	if (flags & SF_IMMUTABLE)
 		SAPPEND("schg");
+	if (flags & SF_NOUNLINK)
+		SAPPEND("sunlnk");
 	return (prefix == NULL && def != NULL ? def : string);
 }
 
@@ -139,6 +143,8 @@ string_to_flags(stringp, setp, clrp)
 			TEST(p, "schg", SF_IMMUTABLE);
 			TEST(p, "schange", SF_IMMUTABLE);
 			TEST(p, "simmutable", SF_IMMUTABLE);
+			TEST(p, "sunlnk", SF_NOUNLINK);
+			TEST(p, "sunlink", SF_NOUNLINK);
 			return (1);
 		case 'u':
 			TEST(p, "uappnd", UF_APPEND);
@@ -146,6 +152,8 @@ string_to_flags(stringp, setp, clrp)
 			TEST(p, "uchg", UF_IMMUTABLE);
 			TEST(p, "uchange", UF_IMMUTABLE);
 			TEST(p, "uimmutable", UF_IMMUTABLE);
+			TEST(p, "uunlnk", UF_NOUNLINK);
+			TEST(p, "uunlink", UF_NOUNLINK);
 			/* FALLTHROUGH */
 		default:
 			return (1);
diff --git a/lib/libc/sys/chflags.2 b/lib/libc/sys/chflags.2
index 94b744ca9c80..3305b3a2aef5 100644
--- a/lib/libc/sys/chflags.2
+++ b/lib/libc/sys/chflags.2
@@ -65,6 +65,8 @@ Do not dump the file.
 The file may not be changed.
 .It UF_APPEND
 The file may only be appended to.
+.It UF_NOUNLINK
+The file may not be renamed or deleted.
 .It UF_OPAQUE
 The directory is opaque when viewed through a union stack.
 .\".It ARCHIVED
@@ -73,18 +75,24 @@ The directory is opaque when viewed through a union stack.
 The file may not be changed.
 .It SF_APPEND
 The file may only be appended to.
+.It SF_NOUNLINK
+The file may not be renamed or deleted.
 .El
 .Pp
 The
 .Dq UF_IMMUTABLE
-and
+,
 .Dq UF_APPEND
+and
+.Dq UF_NOUNLINK
 flags may be set or unset by either the owner of a file or the super-user.
 .Pp
 The
 .Dq SF_IMMUTABLE
-and
+,
 .Dq SF_APPEND
+and
+.Dq SF_NOUNLINK
 flags may only be set or unset by the super-user.
 Attempts by the non-super-user to set the super-user only flags
 are silently ignored.