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Add a "-f file" flag to process directives from a file.

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This commit is contained in:
tsarna 2000-03-12 22:56:48 +00:00
parent b8b53d87db
commit 4f90f5ce45
3 changed files with 56 additions and 10 deletions
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5
sbin/sysctl/Makefile
View File

@ -1,4 +1,4 @@
# $NetBSD: Makefile,v 1.10 2000/01/17 04:23:00 itojun Exp $
# $NetBSD: Makefile,v 1.11 2000/03/12 22:56:48 tsarna Exp $
# @(#)Makefile 8.1 (Berkeley) 6/6/93
PROG= sysctl
@ -7,4 +7,7 @@ MAN= sysctl.8
CPPFLAGS+=-DINET6 -DIPSEC
#CPPFLAGS+=-DTCP6
DPADD= ${LIBUTIL}
LDADD= -lutil
.include <bsd.prog.mk>

20
sbin/sysctl/sysctl.8
View File

@ -1,4 +1,4 @@
.\" $NetBSD: sysctl.8,v 1.44 2000/02/27 06:13:37 itojun Exp $
.\" $NetBSD: sysctl.8,v 1.45 2000/03/12 22:56:48 tsarna Exp $
.\"
.\" Copyright (c) 1993
.\" The Regents of the University of California. All rights reserved.
@ -50,6 +50,10 @@
.Nm sysctl
.Op Fl n
.Fl aA
.Nm sysctl
.Op Fl n
.Fl f
.Ar file
.Sh DESCRIPTION
The
.Nm sysctl
@ -86,6 +90,20 @@ If a value is to be set, the
flag must be specified and the MIB name followed
by an equal sign and the new value to be used.
.Pp
The
.Fl f
flag specifies the name of a file to read and process. Blank lines and
comments (beginning with ``#'') are ignored. Line continuations with
``\\'' are permitted. Remaining lines are processed similarly to
command line arguments of the form
.Ar name
or
.Ar name=value .
The
.Fl w
flag is implied by
.Fl f .
.Pp
The proc top-level MIB has a special semantic: it represent per-process values
and as such may differ from one process to another. The second-level name
is the pid of the process (in decimal form), or the special word 'curproc'.

31
sbin/sysctl/sysctl.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: sysctl.c,v 1.26 2000/02/17 08:54:16 fvdl Exp $ */
/* $NetBSD: sysctl.c,v 1.27 2000/03/12 22:56:49 tsarna Exp $ */
/*
* Copyright (c) 1993
@ -44,7 +44,7 @@ __COPYRIGHT(
#if 0
static char sccsid[] = "@(#)sysctl.c 8.1 (Berkeley) 6/6/93";
#else
__RCSID("$NetBSD: sysctl.c,v 1.26 2000/02/17 08:54:16 fvdl Exp $");
__RCSID("$NetBSD: sysctl.c,v 1.27 2000/03/12 22:56:49 tsarna Exp $");
#endif
#endif /* not lint */
@ -107,6 +107,7 @@ __RCSID("$NetBSD: sysctl.c,v 1.26 2000/02/17 08:54:16 fvdl Exp $");
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <util.h>
struct ctlname topname[] = CTL_NAMES;
struct ctlname kernname[] = CTL_KERN_NAMES;
@ -189,9 +190,10 @@ main(argc, argv)
{
extern char *optarg;
extern int optind;
char *fn = NULL;
int ch, lvl1;
while ((ch = getopt(argc, argv, "Aanw")) != -1) {
while ((ch = getopt(argc, argv, "Aaf:nw")) != -1) {
switch (ch) {
case 'A':
@ -202,6 +204,11 @@ main(argc, argv)
aflag = 1;
break;
case 'f':
fn = optarg;
wflag = 1;
break;
case 'n':
nflag = 1;
break;
@ -223,10 +230,28 @@ main(argc, argv)
listall(topname[lvl1].ctl_name, &secondlevel[lvl1]);
return 0;
}
if (fn) {
FILE *fp;
char *l;
fp = fopen(fn, "r");
if (fp == NULL) {
err(1, "%s", fn);
} else {
while (l = fparseln(fp, NULL, NULL, NULL, 0)) {
if (*l) {
parse(l, 1);
}
}
fclose(fp);
}
} else {
if (argc == 0)
usage();
while (argc-- > 0)
parse(*argv++, 1);
}
return 0;
}