Module Name: src
Committed By: snj
Date: Wed Apr 1 21:37:03 UTC 2009
Modified Files:
src/sbin/sysctl [netbsd-5]: sysctl.8 sysctl.c
Log Message:
Pull up following revision(s) (requested by christos in ticket #635):
sbin/sysctl/sysctl.8: revision 1.160
sbin/sysctl/sysctl.c: revision 1.129
Don't print an error with sysctl -w name?=value if name does not exist.
Should be pulled up to 5.0
To generate a diff of this commit:
cvs rdiff -u -r1.158.4.1 -r1.158.4.2 src/sbin/sysctl/sysctl.8
cvs rdiff -u -r1.124 -r1.124.2.1 src/sbin/sysctl/sysctl.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sbin/sysctl/sysctl.8
diff -u src/sbin/sysctl/sysctl.8:1.158.4.1 src/sbin/sysctl/sysctl.8:1.158.4.2
--- src/sbin/sysctl/sysctl.8:1.158.4.1 Wed Nov 12 23:40:25 2008
+++ src/sbin/sysctl/sysctl.8 Wed Apr 1 21:37:02 2009
@@ -1,4 +1,4 @@
-.\" $NetBSD: sysctl.8,v 1.158.4.1 2008/11/12 23:40:25 snj Exp $
+.\" $NetBSD: sysctl.8,v 1.158.4.2 2009/04/01 21:37:02 snj Exp $
.\"
.\" Copyright (c) 2004 The NetBSD Foundation, Inc.
.\" All rights reserved.
@@ -54,7 +54,7 @@
.\"
.\" @(#)sysctl.8 8.1 (Berkeley) 6/6/93
.\"
-.Dd December 4, 2006
+.Dd April 1, 2009
.Dt SYSCTL 8
.Os
.Sh NAME
@@ -75,7 +75,7 @@
.Fl x
.Oc
.Fl w
-.Ar name Ns Li = Ns Ar value ...
+.Ar name Ns Li [?]= Ns Ar value ...
.Nm sysctl
.Op Fl en
.Oo
@@ -202,6 +202,10 @@
The MIB style name and value must be separated by
.Ql =
with no whitespace.
+To prevent an error if the MIB style name does not exist (as would be the
+case with optional kernel components), one can separate the MIB style name
+and the value with
+.Ql ?= .
Only integral and string values can be set via this method.
.It Fl x
Makes
Index: src/sbin/sysctl/sysctl.c
diff -u src/sbin/sysctl/sysctl.c:1.124 src/sbin/sysctl/sysctl.c:1.124.2.1
--- src/sbin/sysctl/sysctl.c:1.124 Sun Jul 20 01:20:23 2008
+++ src/sbin/sysctl/sysctl.c Wed Apr 1 21:37:02 2009
@@ -1,4 +1,4 @@
-/* $NetBSD: sysctl.c,v 1.124 2008/07/20 01:20:23 lukem Exp $ */
+/* $NetBSD: sysctl.c,v 1.124.2.1 2009/04/01 21:37:02 snj Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
@@ -68,7 +68,7 @@
#if 0
static char sccsid[] = "@(#)sysctl.c 8.1 (Berkeley) 6/6/93";
#else
-__RCSID("$NetBSD: sysctl.c,v 1.124 2008/07/20 01:20:23 lukem Exp $");
+__RCSID("$NetBSD: sysctl.c,v 1.124.2.1 2009/04/01 21:37:02 snj Exp $");
#endif
#endif /* not lint */
@@ -788,12 +788,18 @@
u_int namelen, type;
char *key, *value, *dot;
size_t sz;
+ bool optional = false;
req = 1;
key = l;
- value = strchr(l, '=');
- if (value != NULL)
+
+ if ((value = strchr(l, '=')) != NULL) {
+ if (value > l && value[-1] == '?') {
+ value[-1] = '\0';
+ optional = true;
+ }
*value++ = '\0';
+ }
if ((dot = strpbrk(key, "./")) == NULL)
sep[0] = '.';
@@ -836,6 +842,8 @@
if (sysctlgetmibinfo(key, &name[0], &namelen, gsname, &sz, &node,
SYSCTL_VERSION) == -1) {
+ if (optional)
+ return;
sysctlparseerror(namelen, l);
EXIT(1);
}