xref: /freebsd/sbin/sysctl/sysctl.c (revision b2680e20484a422732c6c1a008d4a5cf8257bd65)
1dea673e9SRodney W. Grimes /*
2dea673e9SRodney W. Grimes  * Copyright (c) 1993
3dea673e9SRodney W. Grimes  *	The Regents of the University of California.  All rights reserved.
4dea673e9SRodney W. Grimes  *
5dea673e9SRodney W. Grimes  * Redistribution and use in source and binary forms, with or without
6dea673e9SRodney W. Grimes  * modification, are permitted provided that the following conditions
7dea673e9SRodney W. Grimes  * are met:
8dea673e9SRodney W. Grimes  * 1. Redistributions of source code must retain the above copyright
9dea673e9SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer.
10dea673e9SRodney W. Grimes  * 2. Redistributions in binary form must reproduce the above copyright
11dea673e9SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer in the
12dea673e9SRodney W. Grimes  *    documentation and/or other materials provided with the distribution.
13dea673e9SRodney W. Grimes  * 4. Neither the name of the University nor the names of its contributors
14dea673e9SRodney W. Grimes  *    may be used to endorse or promote products derived from this software
15dea673e9SRodney W. Grimes  *    without specific prior written permission.
16dea673e9SRodney W. Grimes  *
17dea673e9SRodney W. Grimes  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18dea673e9SRodney W. Grimes  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19dea673e9SRodney W. Grimes  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20dea673e9SRodney W. Grimes  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21dea673e9SRodney W. Grimes  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22dea673e9SRodney W. Grimes  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23dea673e9SRodney W. Grimes  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24dea673e9SRodney W. Grimes  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25dea673e9SRodney W. Grimes  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26dea673e9SRodney W. Grimes  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27dea673e9SRodney W. Grimes  * SUCH DAMAGE.
28dea673e9SRodney W. Grimes  */
29dea673e9SRodney W. Grimes 
30dea673e9SRodney W. Grimes #ifndef lint
31d9b1bc77SPhilippe Charnier static const char copyright[] =
32dea673e9SRodney W. Grimes "@(#) Copyright (c) 1993\n\
33dea673e9SRodney W. Grimes 	The Regents of the University of California.  All rights reserved.\n";
34dea673e9SRodney W. Grimes #endif /* not lint */
35dea673e9SRodney W. Grimes 
36dea673e9SRodney W. Grimes #ifndef lint
37d9b1bc77SPhilippe Charnier #if 0
38d9b1bc77SPhilippe Charnier static char sccsid[] = "@(#)from: sysctl.c	8.1 (Berkeley) 6/6/93";
39d9b1bc77SPhilippe Charnier #endif
4035c13fa0SGarrett Wollman static const char rcsid[] =
417f3dea24SPeter Wemm   "$FreeBSD$";
42dea673e9SRodney W. Grimes #endif /* not lint */
43dea673e9SRodney W. Grimes 
44bca9bbeaSLuigi Rizzo #ifdef __i386__
45bca9bbeaSLuigi Rizzo #include <sys/reboot.h>		/* used for bootdev parsing */
46bca9bbeaSLuigi Rizzo #endif
47ce685842SBruce Evans #include <sys/param.h>
48ce685842SBruce Evans #include <sys/time.h>
49ce685842SBruce Evans #include <sys/resource.h>
50dea673e9SRodney W. Grimes #include <sys/stat.h>
51dea673e9SRodney W. Grimes #include <sys/sysctl.h>
52f7550ecfSMatthew Dillon #include <sys/vmmeter.h>
53dea673e9SRodney W. Grimes 
54d9b1bc77SPhilippe Charnier #include <ctype.h>
55d9b1bc77SPhilippe Charnier #include <err.h>
56dea673e9SRodney W. Grimes #include <errno.h>
5745817aaaSDag-Erling Smørgrav #include <locale.h>
58dea673e9SRodney W. Grimes #include <stdio.h>
59dea673e9SRodney W. Grimes #include <stdlib.h>
60dea673e9SRodney W. Grimes #include <string.h>
61d9b1bc77SPhilippe Charnier #include <unistd.h>
62dea673e9SRodney W. Grimes 
6345817aaaSDag-Erling Smørgrav static int	aflag, bflag, dflag, eflag, hflag, Nflag, nflag, oflag, xflag;
64dea673e9SRodney W. Grimes 
651d86b91cSPoul-Henning Kamp static int	oidfmt(int *, int, char *, u_int *);
661d86b91cSPoul-Henning Kamp static void	parse(char *);
671d86b91cSPoul-Henning Kamp static int	show_var(int *, int);
681d86b91cSPoul-Henning Kamp static int	sysctl_all (int *oid, int len);
691d86b91cSPoul-Henning Kamp static int	name2oid(char *, int *);
70dea673e9SRodney W. Grimes 
717e9c84c7SPeter Wemm static void	set_T_dev_t (char *, void **, size_t *);
72d58f0054SPoul-Henning Kamp 
731d86b91cSPoul-Henning Kamp static void
741d86b91cSPoul-Henning Kamp usage(void)
751d86b91cSPoul-Henning Kamp {
76dea673e9SRodney W. Grimes 
779a2402bcSDag-Erling Smørgrav 	(void)fprintf(stderr, "%s\n%s\n",
788d646af5SRuslan Ermilov 	    "usage: sysctl [-bdehNnox] name[=value] ...",
7945817aaaSDag-Erling Smørgrav 	    "       sysctl [-bdehNnox] -a");
801d86b91cSPoul-Henning Kamp 	exit(1);
811d86b91cSPoul-Henning Kamp }
82dea673e9SRodney W. Grimes 
83dea673e9SRodney W. Grimes int
841d86b91cSPoul-Henning Kamp main(int argc, char **argv)
85dea673e9SRodney W. Grimes {
861d86b91cSPoul-Henning Kamp 	int ch;
8745817aaaSDag-Erling Smørgrav 
8845817aaaSDag-Erling Smørgrav 	setlocale(LC_NUMERIC, "");
891d86b91cSPoul-Henning Kamp 	setbuf(stdout,0);
901d86b91cSPoul-Henning Kamp 	setbuf(stderr,0);
91dea673e9SRodney W. Grimes 
9245817aaaSDag-Erling Smørgrav 	while ((ch = getopt(argc, argv, "AabdehNnowxX")) != -1) {
93dea673e9SRodney W. Grimes 		switch (ch) {
94ca5fac55SDag-Erling Smørgrav 		case 'A':
959a2402bcSDag-Erling Smørgrav 			/* compatibility */
969a2402bcSDag-Erling Smørgrav 			aflag = oflag = 1;
97ca5fac55SDag-Erling Smørgrav 			break;
98ca5fac55SDag-Erling Smørgrav 		case 'a':
99ca5fac55SDag-Erling Smørgrav 			aflag = 1;
100ca5fac55SDag-Erling Smørgrav 			break;
101ca5fac55SDag-Erling Smørgrav 		case 'b':
102ca5fac55SDag-Erling Smørgrav 			bflag = 1;
103ca5fac55SDag-Erling Smørgrav 			break;
1046105f815SLuigi Rizzo 		case 'd':
1056105f815SLuigi Rizzo 			dflag = 1;
1066105f815SLuigi Rizzo 			break;
107d0b8aabbSAnton Berezin 		case 'e':
108d0b8aabbSAnton Berezin 			eflag = 1;
109d0b8aabbSAnton Berezin 			break;
11045817aaaSDag-Erling Smørgrav 		case 'h':
11145817aaaSDag-Erling Smørgrav 			hflag = 1;
11245817aaaSDag-Erling Smørgrav 			break;
113ca5fac55SDag-Erling Smørgrav 		case 'N':
114ca5fac55SDag-Erling Smørgrav 			Nflag = 1;
115ca5fac55SDag-Erling Smørgrav 			break;
116ca5fac55SDag-Erling Smørgrav 		case 'n':
117ca5fac55SDag-Erling Smørgrav 			nflag = 1;
118ca5fac55SDag-Erling Smørgrav 			break;
1199a2402bcSDag-Erling Smørgrav 		case 'o':
1209a2402bcSDag-Erling Smørgrav 			oflag = 1;
1219a2402bcSDag-Erling Smørgrav 			break;
122ca5fac55SDag-Erling Smørgrav 		case 'w':
1239a2402bcSDag-Erling Smørgrav 			/* compatibility */
1249a2402bcSDag-Erling Smørgrav 			/* ignored */
125ca5fac55SDag-Erling Smørgrav 			break;
126ca5fac55SDag-Erling Smørgrav 		case 'X':
1279a2402bcSDag-Erling Smørgrav 			/* compatibility */
1289a2402bcSDag-Erling Smørgrav 			aflag = xflag = 1;
1299a2402bcSDag-Erling Smørgrav 			break;
1309a2402bcSDag-Erling Smørgrav 		case 'x':
1319a2402bcSDag-Erling Smørgrav 			xflag = 1;
132ca5fac55SDag-Erling Smørgrav 			break;
133ca5fac55SDag-Erling Smørgrav 		default:
134ca5fac55SDag-Erling Smørgrav 			usage();
135dea673e9SRodney W. Grimes 		}
136dea673e9SRodney W. Grimes 	}
137dea673e9SRodney W. Grimes 	argc -= optind;
138dea673e9SRodney W. Grimes 	argv += optind;
139dea673e9SRodney W. Grimes 
1409a2402bcSDag-Erling Smørgrav 	if (Nflag && nflag)
14181e7454aSDag-Erling Smørgrav 		usage();
1429a2402bcSDag-Erling Smørgrav 	if (aflag && argc == 0)
1431d86b91cSPoul-Henning Kamp 		exit(sysctl_all(0, 0));
144dea673e9SRodney W. Grimes 	if (argc == 0)
145dea673e9SRodney W. Grimes 		usage();
146dea673e9SRodney W. Grimes 	while (argc-- > 0)
1471d86b91cSPoul-Henning Kamp 		parse(*argv++);
148dea673e9SRodney W. Grimes 	exit(0);
149dea673e9SRodney W. Grimes }
150dea673e9SRodney W. Grimes 
151dea673e9SRodney W. Grimes /*
152dea673e9SRodney W. Grimes  * Parse a name into a MIB entry.
153dea673e9SRodney W. Grimes  * Lookup and print out the MIB entry if it exists.
154dea673e9SRodney W. Grimes  * Set a new value if requested.
155dea673e9SRodney W. Grimes  */
1561d86b91cSPoul-Henning Kamp static void
1571d86b91cSPoul-Henning Kamp parse(char *string)
158dea673e9SRodney W. Grimes {
1591d86b91cSPoul-Henning Kamp 	int len, i, j;
160dea673e9SRodney W. Grimes 	void *newval = 0;
1611ce1a53dSJim Pirzyk 	int intval;
1621ce1a53dSJim Pirzyk 	unsigned int uintval;
1631ce1a53dSJim Pirzyk 	long longval;
1641ce1a53dSJim Pirzyk 	unsigned long ulongval;
1651ce1a53dSJim Pirzyk 	size_t newsize = 0;
166dea673e9SRodney W. Grimes 	quad_t quadval;
167dea673e9SRodney W. Grimes 	int mib[CTL_MAXNAME];
168a78d3eafSRobert Watson 	char *cp, *bufp, buf[BUFSIZ], *endptr, fmt[BUFSIZ];
1691d86b91cSPoul-Henning Kamp 	u_int kind;
170dea673e9SRodney W. Grimes 
171dea673e9SRodney W. Grimes 	bufp = buf;
1721d4961c0SSuleiman Souhlal 	if (snprintf(buf, BUFSIZ, "%s", string) >= BUFSIZ)
1731d4961c0SSuleiman Souhlal 		errx(1, "oid too long: '%s'", string);
174dea673e9SRodney W. Grimes 	if ((cp = strchr(string, '=')) != NULL) {
175dea673e9SRodney W. Grimes 		*strchr(buf, '=') = '\0';
176dea673e9SRodney W. Grimes 		*cp++ = '\0';
177dea673e9SRodney W. Grimes 		while (isspace(*cp))
178dea673e9SRodney W. Grimes 			cp++;
179dea673e9SRodney W. Grimes 		newval = cp;
180dea673e9SRodney W. Grimes 		newsize = strlen(cp);
181dea673e9SRodney W. Grimes 	}
1821d86b91cSPoul-Henning Kamp 	len = name2oid(bufp, mib);
1831d86b91cSPoul-Henning Kamp 
1841d86b91cSPoul-Henning Kamp 	if (len < 0)
185d9b1bc77SPhilippe Charnier 		errx(1, "unknown oid '%s'", bufp);
1861d86b91cSPoul-Henning Kamp 
187d58f0054SPoul-Henning Kamp 	if (oidfmt(mib, len, fmt, &kind))
188d9b1bc77SPhilippe Charnier 		err(1, "couldn't find format of oid '%s'", bufp);
1891d86b91cSPoul-Henning Kamp 
1909a2402bcSDag-Erling Smørgrav 	if (newval == NULL) {
1911d86b91cSPoul-Henning Kamp 		if ((kind & CTLTYPE) == CTLTYPE_NODE) {
192b2680e20SMatthew N. Dodd 			if (dflag) {
193b2680e20SMatthew N. Dodd 				i = show_var(mib, len);
194b2680e20SMatthew N. Dodd 				if (!i && !bflag)
195b2680e20SMatthew N. Dodd 					putchar('\n');
196b2680e20SMatthew N. Dodd 			}
1971d86b91cSPoul-Henning Kamp 			sysctl_all(mib, len);
1981d86b91cSPoul-Henning Kamp 		} else {
1991d86b91cSPoul-Henning Kamp 			i = show_var(mib, len);
2001d86b91cSPoul-Henning Kamp 			if (!i && !bflag)
2011d86b91cSPoul-Henning Kamp 				putchar('\n');
202dea673e9SRodney W. Grimes 		}
2031d86b91cSPoul-Henning Kamp 	} else {
2041d86b91cSPoul-Henning Kamp 		if ((kind & CTLTYPE) == CTLTYPE_NODE)
2051d86b91cSPoul-Henning Kamp 			errx(1, "oid '%s' isn't a leaf node", bufp);
206dea673e9SRodney W. Grimes 
207ac8711d2SMike Silbersack 		if (!(kind & CTLFLAG_WR)) {
2089b4b73b7SMike Silbersack 			if (kind & CTLFLAG_TUN) {
209ac8711d2SMike Silbersack 				warnx("oid '%s' is a read only tunable", bufp);
210ac8711d2SMike Silbersack 				errx(1, "Tunable values are set in /boot/loader.conf");
2119b4b73b7SMike Silbersack 			} else {
2121d86b91cSPoul-Henning Kamp 				errx(1, "oid '%s' is read only", bufp);
2139b4b73b7SMike Silbersack 			}
214ac8711d2SMike Silbersack 		}
215dea673e9SRodney W. Grimes 
216a78d3eafSRobert Watson 		if ((kind & CTLTYPE) == CTLTYPE_INT ||
217a78d3eafSRobert Watson 		    (kind & CTLTYPE) == CTLTYPE_UINT ||
218a78d3eafSRobert Watson 		    (kind & CTLTYPE) == CTLTYPE_LONG ||
2194d90830fSDima Dorfman 		    (kind & CTLTYPE) == CTLTYPE_ULONG ||
2204d90830fSDima Dorfman 		    (kind & CTLTYPE) == CTLTYPE_QUAD) {
221a78d3eafSRobert Watson 			if (strlen(newval) == 0)
222a78d3eafSRobert Watson 				errx(1, "empty numeric value");
223a78d3eafSRobert Watson 		}
224a78d3eafSRobert Watson 
2251d86b91cSPoul-Henning Kamp 		switch (kind & CTLTYPE) {
226dea673e9SRodney W. Grimes 			case CTLTYPE_INT:
227a78d3eafSRobert Watson 				intval = (int)strtol(newval, &endptr, 0);
228a78d3eafSRobert Watson 				if (endptr == newval || *endptr != '\0')
229a78d3eafSRobert Watson 					errx(1, "invalid integer '%s'",
230a78d3eafSRobert Watson 					    newval);
231dea673e9SRodney W. Grimes 				newval = &intval;
23231fb4661SDima Dorfman 				newsize = sizeof(intval);
233dea673e9SRodney W. Grimes 				break;
2341ce1a53dSJim Pirzyk 			case CTLTYPE_UINT:
235a78d3eafSRobert Watson 				uintval = (int) strtoul(newval, &endptr, 0);
236a78d3eafSRobert Watson 				if (endptr == newval || *endptr != '\0')
237a78d3eafSRobert Watson 					errx(1, "invalid unsigned integer '%s'",
238a78d3eafSRobert Watson 					    newval);
2391ce1a53dSJim Pirzyk 				newval = &uintval;
2401ce1a53dSJim Pirzyk 				newsize = sizeof uintval;
2411ce1a53dSJim Pirzyk 				break;
2421ce1a53dSJim Pirzyk 			case CTLTYPE_LONG:
243a78d3eafSRobert Watson 				longval = strtol(newval, &endptr, 0);
244a78d3eafSRobert Watson 				if (endptr == newval || *endptr != '\0')
245a78d3eafSRobert Watson 					errx(1, "invalid long integer '%s'",
246a78d3eafSRobert Watson 					    newval);
2471ce1a53dSJim Pirzyk 				newval = &longval;
2481ce1a53dSJim Pirzyk 				newsize = sizeof longval;
2491ce1a53dSJim Pirzyk 				break;
2501ce1a53dSJim Pirzyk 			case CTLTYPE_ULONG:
251a78d3eafSRobert Watson 				ulongval = strtoul(newval, &endptr, 0);
252a78d3eafSRobert Watson 				if (endptr == newval || *endptr != '\0')
253a78d3eafSRobert Watson 					errx(1, "invalid unsigned long integer"
254a78d3eafSRobert Watson 					    " '%s'", newval);
2551ce1a53dSJim Pirzyk 				newval = &ulongval;
2561ce1a53dSJim Pirzyk 				newsize = sizeof ulongval;
2571d86b91cSPoul-Henning Kamp 				break;
2581d86b91cSPoul-Henning Kamp 			case CTLTYPE_STRING:
2591d86b91cSPoul-Henning Kamp 				break;
260dea673e9SRodney W. Grimes 			case CTLTYPE_QUAD:
261dea673e9SRodney W. Grimes 				sscanf(newval, "%qd", &quadval);
262dea673e9SRodney W. Grimes 				newval = &quadval;
26331fb4661SDima Dorfman 				newsize = sizeof(quadval);
264dea673e9SRodney W. Grimes 				break;
265d58f0054SPoul-Henning Kamp 			case CTLTYPE_OPAQUE:
266d58f0054SPoul-Henning Kamp 				if (strcmp(fmt, "T,dev_t") == 0) {
267d58f0054SPoul-Henning Kamp 					set_T_dev_t ((char*)newval, &newval, &newsize);
268d58f0054SPoul-Henning Kamp 					break;
269d58f0054SPoul-Henning Kamp 				}
270d58f0054SPoul-Henning Kamp 				/* FALLTHROUGH */
2711d86b91cSPoul-Henning Kamp 			default:
2721d86b91cSPoul-Henning Kamp 				errx(1, "oid '%s' is type %d,"
27314b94d04SJohn Polstra 					" cannot set that", bufp,
27414b94d04SJohn Polstra 					kind & CTLTYPE);
275dea673e9SRodney W. Grimes 		}
2761d86b91cSPoul-Henning Kamp 
2771d86b91cSPoul-Henning Kamp 		i = show_var(mib, len);
2781d86b91cSPoul-Henning Kamp 		if (sysctl(mib, len, 0, 0, newval, newsize) == -1) {
2791d86b91cSPoul-Henning Kamp 			if (!i && !bflag)
2801d86b91cSPoul-Henning Kamp 				putchar('\n');
281dea673e9SRodney W. Grimes 			switch (errno) {
282dea673e9SRodney W. Grimes 			case EOPNOTSUPP:
283d9b1bc77SPhilippe Charnier 				errx(1, "%s: value is not available",
2841d86b91cSPoul-Henning Kamp 					string);
285dea673e9SRodney W. Grimes 			case ENOTDIR:
286d9b1bc77SPhilippe Charnier 				errx(1, "%s: specification is incomplete",
287dea673e9SRodney W. Grimes 					string);
288dea673e9SRodney W. Grimes 			case ENOMEM:
289d9b1bc77SPhilippe Charnier 				errx(1, "%s: type is unknown to this program",
290dea673e9SRodney W. Grimes 					string);
291dea673e9SRodney W. Grimes 			default:
292d9b1bc77SPhilippe Charnier 				warn("%s", string);
293dea673e9SRodney W. Grimes 				return;
294dea673e9SRodney W. Grimes 			}
295dea673e9SRodney W. Grimes 		}
2961d86b91cSPoul-Henning Kamp 		if (!bflag)
2971d86b91cSPoul-Henning Kamp 			printf(" -> ");
2981d86b91cSPoul-Henning Kamp 		i = nflag;
2991d86b91cSPoul-Henning Kamp 		nflag = 1;
3001d86b91cSPoul-Henning Kamp 		j = show_var(mib, len);
3011d86b91cSPoul-Henning Kamp 		if (!j && !bflag)
3021d86b91cSPoul-Henning Kamp 			putchar('\n');
3031d86b91cSPoul-Henning Kamp 		nflag = i;
304dea673e9SRodney W. Grimes 	}
305dea673e9SRodney W. Grimes }
306dea673e9SRodney W. Grimes 
3071d86b91cSPoul-Henning Kamp /* These functions will dump out various interesting structures. */
308dea673e9SRodney W. Grimes 
3091d86b91cSPoul-Henning Kamp static int
3101d86b91cSPoul-Henning Kamp S_clockinfo(int l2, void *p)
3111d86b91cSPoul-Henning Kamp {
3121d86b91cSPoul-Henning Kamp 	struct clockinfo *ci = (struct clockinfo*)p;
313996076bbSAlfred Perlstein 	if (l2 != sizeof(*ci)) {
314996076bbSAlfred Perlstein 		warnx("S_clockinfo %d != %d", l2, sizeof(*ci));
315996076bbSAlfred Perlstein 		return (0);
316996076bbSAlfred Perlstein 	}
31745817aaaSDag-Erling Smørgrav 	printf(hflag ? "{ hz = %'d, tick = %'d, profhz = %'d, stathz = %'d }" :
31845817aaaSDag-Erling Smørgrav 		"{ hz = %d, tick = %d, profhz = %d, stathz = %d }",
319b35c8f28SPoul-Henning Kamp 		ci->hz, ci->tick, ci->profhz, ci->stathz);
3201d86b91cSPoul-Henning Kamp 	return (0);
321dea673e9SRodney W. Grimes }
322dea673e9SRodney W. Grimes 
3231d86b91cSPoul-Henning Kamp static int
3241d86b91cSPoul-Henning Kamp S_loadavg(int l2, void *p)
3251d86b91cSPoul-Henning Kamp {
3261d86b91cSPoul-Henning Kamp 	struct loadavg *tv = (struct loadavg*)p;
3271d86b91cSPoul-Henning Kamp 
328996076bbSAlfred Perlstein 	if (l2 != sizeof(*tv)) {
329996076bbSAlfred Perlstein 		warnx("S_loadavg %d != %d", l2, sizeof(*tv));
330996076bbSAlfred Perlstein 		return (0);
331996076bbSAlfred Perlstein 	}
33245817aaaSDag-Erling Smørgrav 	printf(hflag ? "{ %'.2f %'.2f %'.2f }" : "{ %.2f %.2f %.2f }",
3331d86b91cSPoul-Henning Kamp 		(double)tv->ldavg[0]/(double)tv->fscale,
3341d86b91cSPoul-Henning Kamp 		(double)tv->ldavg[1]/(double)tv->fscale,
3351d86b91cSPoul-Henning Kamp 		(double)tv->ldavg[2]/(double)tv->fscale);
3361d86b91cSPoul-Henning Kamp 	return (0);
337dea673e9SRodney W. Grimes }
338dea673e9SRodney W. Grimes 
3391d86b91cSPoul-Henning Kamp static int
3401d86b91cSPoul-Henning Kamp S_timeval(int l2, void *p)
3411d86b91cSPoul-Henning Kamp {
3421d86b91cSPoul-Henning Kamp 	struct timeval *tv = (struct timeval*)p;
343c2deb608SBruce Evans 	time_t tv_sec;
3441d86b91cSPoul-Henning Kamp 	char *p1, *p2;
345dea673e9SRodney W. Grimes 
346996076bbSAlfred Perlstein 	if (l2 != sizeof(*tv)) {
347996076bbSAlfred Perlstein 		warnx("S_timeval %d != %d", l2, sizeof(*tv));
348996076bbSAlfred Perlstein 		return (0);
349996076bbSAlfred Perlstein 	}
35045817aaaSDag-Erling Smørgrav 	printf(hflag ? "{ sec = %'ld, usec = %'ld } " :
35145817aaaSDag-Erling Smørgrav 		"{ sec = %ld, usec = %ld } ",
3521d86b91cSPoul-Henning Kamp 		tv->tv_sec, tv->tv_usec);
353c2deb608SBruce Evans 	tv_sec = tv->tv_sec;
354c2deb608SBruce Evans 	p1 = strdup(ctime(&tv_sec));
3551d86b91cSPoul-Henning Kamp 	for (p2=p1; *p2 ; p2++)
3561d86b91cSPoul-Henning Kamp 		if (*p2 == '\n')
3571d86b91cSPoul-Henning Kamp 			*p2 = '\0';
3581d86b91cSPoul-Henning Kamp 	fputs(p1, stdout);
3591d86b91cSPoul-Henning Kamp 	return (0);
3601d86b91cSPoul-Henning Kamp }
3611d86b91cSPoul-Henning Kamp 
3621d86b91cSPoul-Henning Kamp static int
363f7550ecfSMatthew Dillon S_vmtotal(int l2, void *p)
364f7550ecfSMatthew Dillon {
365f7550ecfSMatthew Dillon 	struct vmtotal *v = (struct vmtotal *)p;
366654e22e7SMatthew Dillon 	int pageKilo = getpagesize() / 1024;
367f7550ecfSMatthew Dillon 
368f7550ecfSMatthew Dillon 	if (l2 != sizeof(*v)) {
369f7550ecfSMatthew Dillon 		warnx("S_vmtotal %d != %d", l2, sizeof(*v));
370f7550ecfSMatthew Dillon 		return (0);
371f7550ecfSMatthew Dillon 	}
372f7550ecfSMatthew Dillon 
373654e22e7SMatthew Dillon 	printf(
374654e22e7SMatthew Dillon 	    "\nSystem wide totals computed every five seconds:"
375654e22e7SMatthew Dillon 	    " (values in kilobytes)\n");
376f7550ecfSMatthew Dillon 	printf("===============================================\n");
377654e22e7SMatthew Dillon 	printf(
378654e22e7SMatthew Dillon 	    "Processes:\t\t(RUNQ: %hu Disk Wait: %hu Page Wait: "
379654e22e7SMatthew Dillon 	    "%hu Sleep: %hu)\n",
380f7550ecfSMatthew Dillon 	    v->t_rq, v->t_dw, v->t_pw, v->t_sl);
381654e22e7SMatthew Dillon 	printf(
382654e22e7SMatthew Dillon 	    "Virtual Memory:\t\t(Total: %luK, Active %lldK)\n",
383654e22e7SMatthew Dillon 	    (unsigned long)v->t_vm / 1024,
384654e22e7SMatthew Dillon 	    (long long)v->t_avm * pageKilo);
385654e22e7SMatthew Dillon 	printf("Real Memory:\t\t(Total: %lldK Active %lldK)\n",
386654e22e7SMatthew Dillon 	    (long long)v->t_rm * pageKilo, (long long)v->t_arm * pageKilo);
387654e22e7SMatthew Dillon 	printf("Shared Virtual Memory:\t(Total: %lldK Active: %lldK)\n",
388654e22e7SMatthew Dillon 	    (long long)v->t_vmshr * pageKilo,
389654e22e7SMatthew Dillon 	    (long long)v->t_avmshr * pageKilo);
390654e22e7SMatthew Dillon 	printf("Shared Real Memory:\t(Total: %lldK Active: %lldK)\n",
391654e22e7SMatthew Dillon 	    (long long)v->t_rmshr * pageKilo,
392654e22e7SMatthew Dillon 	    (long long)v->t_armshr * pageKilo);
3930a16dedcSLukas Ertl 	printf("Free Memory Pages:\t%lldK\n", (long long)v->t_free * pageKilo);
394f7550ecfSMatthew Dillon 
395f7550ecfSMatthew Dillon 	return (0);
396f7550ecfSMatthew Dillon }
397f7550ecfSMatthew Dillon 
398f7550ecfSMatthew Dillon static int
3991d86b91cSPoul-Henning Kamp T_dev_t(int l2, void *p)
4001d86b91cSPoul-Henning Kamp {
4011d86b91cSPoul-Henning Kamp 	dev_t *d = (dev_t *)p;
402996076bbSAlfred Perlstein 	if (l2 != sizeof(*d)) {
403996076bbSAlfred Perlstein 		warnx("T_dev_T %d != %d", l2, sizeof(*d));
404996076bbSAlfred Perlstein 		return (0);
405996076bbSAlfred Perlstein 	}
4066ed3a297SPoul-Henning Kamp 	if ((int)(*d) != -1) {
4076ed3a297SPoul-Henning Kamp 		if (minor(*d) > 255 || minor(*d) < 0)
4086ed3a297SPoul-Henning Kamp 			printf("{ major = %d, minor = 0x%x }",
4096ed3a297SPoul-Henning Kamp 				major(*d), minor(*d));
4106ed3a297SPoul-Henning Kamp 		else
4111d86b91cSPoul-Henning Kamp 			printf("{ major = %d, minor = %d }",
4121d86b91cSPoul-Henning Kamp 				major(*d), minor(*d));
4136ed3a297SPoul-Henning Kamp 	}
4141d86b91cSPoul-Henning Kamp 	return (0);
4151d86b91cSPoul-Henning Kamp }
4161d86b91cSPoul-Henning Kamp 
417d58f0054SPoul-Henning Kamp static void
4187e9c84c7SPeter Wemm set_T_dev_t (char *path, void **val, size_t *size)
419d58f0054SPoul-Henning Kamp {
420d58f0054SPoul-Henning Kamp 	static struct stat statb;
421d58f0054SPoul-Henning Kamp 
422d58f0054SPoul-Henning Kamp 	if (strcmp(path, "none") && strcmp(path, "off")) {
423d58f0054SPoul-Henning Kamp 		int rc = stat (path, &statb);
424d58f0054SPoul-Henning Kamp 		if (rc) {
425d58f0054SPoul-Henning Kamp 			err(1, "cannot stat %s", path);
426d58f0054SPoul-Henning Kamp 		}
427d58f0054SPoul-Henning Kamp 
428d58f0054SPoul-Henning Kamp 		if (!S_ISCHR(statb.st_mode)) {
429d58f0054SPoul-Henning Kamp 			errx(1, "must specify a device special file.");
430d58f0054SPoul-Henning Kamp 		}
431d58f0054SPoul-Henning Kamp 	} else {
432d58f0054SPoul-Henning Kamp 		statb.st_rdev = NODEV;
433d58f0054SPoul-Henning Kamp 	}
434d58f0054SPoul-Henning Kamp 	*val = (char*) &statb.st_rdev;
435d58f0054SPoul-Henning Kamp 	*size = sizeof statb.st_rdev;
436d58f0054SPoul-Henning Kamp }
437d58f0054SPoul-Henning Kamp 
4381d86b91cSPoul-Henning Kamp /*
4391d86b91cSPoul-Henning Kamp  * These functions uses a presently undocumented interface to the kernel
4401d86b91cSPoul-Henning Kamp  * to walk the tree and get the type so it can print the value.
4411d86b91cSPoul-Henning Kamp  * This interface is under work and consideration, and should probably
4421d86b91cSPoul-Henning Kamp  * be killed with a big axe by the first person who can find the time.
4431d86b91cSPoul-Henning Kamp  * (be aware though, that the proper interface isn't as obvious as it
4441d86b91cSPoul-Henning Kamp  * may seem, there are various conflicting requirements.
4451d86b91cSPoul-Henning Kamp  */
4461d86b91cSPoul-Henning Kamp 
4471d86b91cSPoul-Henning Kamp static int
4481d86b91cSPoul-Henning Kamp name2oid(char *name, int *oidp)
4491d86b91cSPoul-Henning Kamp {
4501d86b91cSPoul-Henning Kamp 	int oid[2];
451dbf9b92fSDoug Rabson 	int i;
452dbf9b92fSDoug Rabson 	size_t j;
4531d86b91cSPoul-Henning Kamp 
4541d86b91cSPoul-Henning Kamp 	oid[0] = 0;
4551d86b91cSPoul-Henning Kamp 	oid[1] = 3;
4561d86b91cSPoul-Henning Kamp 
4571d86b91cSPoul-Henning Kamp 	j = CTL_MAXNAME * sizeof(int);
4581d86b91cSPoul-Henning Kamp 	i = sysctl(oid, 2, oidp, &j, name, strlen(name));
4591d86b91cSPoul-Henning Kamp 	if (i < 0)
4601d86b91cSPoul-Henning Kamp 		return i;
4611d86b91cSPoul-Henning Kamp 	j /= sizeof(int);
4621d86b91cSPoul-Henning Kamp 	return (j);
4631d86b91cSPoul-Henning Kamp }
4641d86b91cSPoul-Henning Kamp 
4651d86b91cSPoul-Henning Kamp static int
4661d86b91cSPoul-Henning Kamp oidfmt(int *oid, int len, char *fmt, u_int *kind)
4671d86b91cSPoul-Henning Kamp {
4681d86b91cSPoul-Henning Kamp 	int qoid[CTL_MAXNAME+2];
4691d86b91cSPoul-Henning Kamp 	u_char buf[BUFSIZ];
470dbf9b92fSDoug Rabson 	int i;
471dbf9b92fSDoug Rabson 	size_t j;
4721d86b91cSPoul-Henning Kamp 
4731d86b91cSPoul-Henning Kamp 	qoid[0] = 0;
4741d86b91cSPoul-Henning Kamp 	qoid[1] = 4;
4751d86b91cSPoul-Henning Kamp 	memcpy(qoid + 2, oid, len * sizeof(int));
4761d86b91cSPoul-Henning Kamp 
47731fb4661SDima Dorfman 	j = sizeof(buf);
4781d86b91cSPoul-Henning Kamp 	i = sysctl(qoid, len + 2, buf, &j, 0, 0);
4791d86b91cSPoul-Henning Kamp 	if (i)
480d9b1bc77SPhilippe Charnier 		err(1, "sysctl fmt %d %d %d", i, j, errno);
4811d86b91cSPoul-Henning Kamp 
4821d86b91cSPoul-Henning Kamp 	if (kind)
4831d86b91cSPoul-Henning Kamp 		*kind = *(u_int *)buf;
4841d86b91cSPoul-Henning Kamp 
4851d86b91cSPoul-Henning Kamp 	if (fmt)
4861d86b91cSPoul-Henning Kamp 		strcpy(fmt, (char *)(buf + sizeof(u_int)));
4871d86b91cSPoul-Henning Kamp 	return 0;
4881d86b91cSPoul-Henning Kamp }
4891d86b91cSPoul-Henning Kamp 
49060cf2c12SLuigi Rizzo /*
4911d86b91cSPoul-Henning Kamp  * This formats and outputs the value of one variable
4921d86b91cSPoul-Henning Kamp  *
4931d86b91cSPoul-Henning Kamp  * Returns zero if anything was actually output.
4941d86b91cSPoul-Henning Kamp  * Returns one if didn't know what to do with this.
4951d86b91cSPoul-Henning Kamp  * Return minus one if we had errors.
4961d86b91cSPoul-Henning Kamp  */
4971d86b91cSPoul-Henning Kamp 
4981d86b91cSPoul-Henning Kamp static int
4991d86b91cSPoul-Henning Kamp show_var(int *oid, int nlen)
5001d86b91cSPoul-Henning Kamp {
5011d86b91cSPoul-Henning Kamp 	u_char buf[BUFSIZ], *val, *p;
502d0b8aabbSAnton Berezin 	char name[BUFSIZ], *fmt, *sep;
5031d86b91cSPoul-Henning Kamp 	int qoid[CTL_MAXNAME+2];
504dbf9b92fSDoug Rabson 	int i;
505dbf9b92fSDoug Rabson 	size_t j, len;
5061d86b91cSPoul-Henning Kamp 	u_int kind;
507a89ab9bbSDag-Erling Smørgrav 	int (*func)(int, void *);
5081d86b91cSPoul-Henning Kamp 
5099f98e452SMatthew N. Dodd 	bzero(buf, BUFSIZ);
5109f98e452SMatthew N. Dodd 	bzero(name, BUFSIZ);
51181e7454aSDag-Erling Smørgrav 	qoid[0] = 0;
51281e7454aSDag-Erling Smørgrav 	memcpy(qoid + 2, oid, nlen * sizeof(int));
51381e7454aSDag-Erling Smørgrav 
51481e7454aSDag-Erling Smørgrav 	qoid[1] = 1;
51531fb4661SDima Dorfman 	j = sizeof(name);
51681e7454aSDag-Erling Smørgrav 	i = sysctl(qoid, nlen + 2, name, &j, 0, 0);
51781e7454aSDag-Erling Smørgrav 	if (i || !j)
51881e7454aSDag-Erling Smørgrav 		err(1, "sysctl name %d %d %d", i, j, errno);
51981e7454aSDag-Erling Smørgrav 
520ca5fac55SDag-Erling Smørgrav 	if (Nflag) {
521ca5fac55SDag-Erling Smørgrav 		printf("%s", name);
522ca5fac55SDag-Erling Smørgrav 		return (0);
523ca5fac55SDag-Erling Smørgrav 	}
524ca5fac55SDag-Erling Smørgrav 
525d0b8aabbSAnton Berezin 	if (eflag)
526d0b8aabbSAnton Berezin 		sep = "=";
527d0b8aabbSAnton Berezin 	else
528d0b8aabbSAnton Berezin 		sep = ": ";
529d0b8aabbSAnton Berezin 
5306105f815SLuigi Rizzo 	if (dflag) {	/* just print description */
5316105f815SLuigi Rizzo 		qoid[1] = 5;
5326105f815SLuigi Rizzo 		j = sizeof(buf);
5336105f815SLuigi Rizzo 		i = sysctl(qoid, nlen + 2, buf, &j, 0, 0);
5346105f815SLuigi Rizzo 		if (!nflag)
5356105f815SLuigi Rizzo 			printf("%s%s", name, sep);
5366105f815SLuigi Rizzo 		printf("%s", buf);
5376105f815SLuigi Rizzo 		return (0);
5386105f815SLuigi Rizzo 	}
5391d86b91cSPoul-Henning Kamp 	/* find an estimate of how much we need for this var */
5401d86b91cSPoul-Henning Kamp 	j = 0;
5411d86b91cSPoul-Henning Kamp 	i = sysctl(oid, nlen, 0, &j, 0, 0);
5421d86b91cSPoul-Henning Kamp 	j += j; /* we want to be sure :-) */
5431d86b91cSPoul-Henning Kamp 
544661b2c16SPeter Wemm 	val = alloca(j + 1);
5451d86b91cSPoul-Henning Kamp 	len = j;
5461d86b91cSPoul-Henning Kamp 	i = sysctl(oid, nlen, val, &len, 0, 0);
5471d86b91cSPoul-Henning Kamp 	if (i || !len)
5481d86b91cSPoul-Henning Kamp 		return (1);
5491d86b91cSPoul-Henning Kamp 
5501d86b91cSPoul-Henning Kamp 	if (bflag) {
5511d86b91cSPoul-Henning Kamp 		fwrite(val, 1, len, stdout);
5521d86b91cSPoul-Henning Kamp 		return (0);
5531d86b91cSPoul-Henning Kamp 	}
55476d3dc52SAndrey A. Chernov 	val[len] = '\0';
555d58f0054SPoul-Henning Kamp 	fmt = buf;
556d58f0054SPoul-Henning Kamp 	oidfmt(oid, nlen, fmt, &kind);
5571d86b91cSPoul-Henning Kamp 	p = val;
5581d86b91cSPoul-Henning Kamp 	switch (*fmt) {
5591d86b91cSPoul-Henning Kamp 	case 'A':
5601d86b91cSPoul-Henning Kamp 		if (!nflag)
561d0b8aabbSAnton Berezin 			printf("%s%s", name, sep);
5629866352eSPeter Wemm 		printf("%.*s", len, p);
5631d86b91cSPoul-Henning Kamp 		return (0);
5641d86b91cSPoul-Henning Kamp 
5651d86b91cSPoul-Henning Kamp 	case 'I':
5661d86b91cSPoul-Henning Kamp 		if (!nflag)
567d0b8aabbSAnton Berezin 			printf("%s%s", name, sep);
5689701cd40SJohn Baldwin 		fmt++;
5692b4c0a3bSPoul-Henning Kamp 		val = "";
5702b4c0a3bSPoul-Henning Kamp 		while (len >= sizeof(int)) {
57145817aaaSDag-Erling Smørgrav 			fputs(val, stdout);
5729701cd40SJohn Baldwin 			if(*fmt == 'U')
57345817aaaSDag-Erling Smørgrav 				printf(hflag ? "%'u" : "%u", *(unsigned int *)p);
574c591d41fSPeter Wemm 			else if (*fmt == 'K') {
575c591d41fSPeter Wemm 				if (*(int *)p < 0)
576c591d41fSPeter Wemm 					printf("%d", *(int *)p);
5779701cd40SJohn Baldwin 				else
578c591d41fSPeter Wemm 					printf("%d.%dC", (*(int *)p - 2732) / 10, (*(int *)p - 2732) % 10);
579c591d41fSPeter Wemm 			} else
58045817aaaSDag-Erling Smørgrav 				printf(hflag ? "%'d" : "%d", *(int *)p);
5812b4c0a3bSPoul-Henning Kamp 			val = " ";
5822b4c0a3bSPoul-Henning Kamp 			len -= sizeof(int);
5832b4c0a3bSPoul-Henning Kamp 			p += sizeof(int);
5842b4c0a3bSPoul-Henning Kamp 		}
5851d86b91cSPoul-Henning Kamp 		return (0);
5861d86b91cSPoul-Henning Kamp 
587dbf9b92fSDoug Rabson 	case 'L':
588dbf9b92fSDoug Rabson 		if (!nflag)
589d0b8aabbSAnton Berezin 			printf("%s%s", name, sep);
5909701cd40SJohn Baldwin 		fmt++;
591aa02fb57SPoul-Henning Kamp 		val = "";
592aa02fb57SPoul-Henning Kamp 		while (len >= sizeof(long)) {
59345817aaaSDag-Erling Smørgrav 			fputs(val, stdout);
5949701cd40SJohn Baldwin 			if(*fmt == 'U')
59545817aaaSDag-Erling Smørgrav 				printf(hflag ? "%'lu" : "%lu", *(unsigned long *)p);
596c591d41fSPeter Wemm 			else if (*fmt == 'K') {
597c591d41fSPeter Wemm 				if (*(long *)p < 0)
598c591d41fSPeter Wemm 					printf("%ld", *(long *)p);
5999701cd40SJohn Baldwin 				else
600c591d41fSPeter Wemm 					printf("%ld.%ldC", (*(long *)p - 2732) / 10, (*(long *)p - 2732) % 10);
601c591d41fSPeter Wemm 			} else
60245817aaaSDag-Erling Smørgrav 				printf(hflag ? "%'ld" : "%ld", *(long *)p);
603aa02fb57SPoul-Henning Kamp 			val = " ";
6043c884b50SAndrew Gallatin 			len -= sizeof(long);
6053c884b50SAndrew Gallatin 			p += sizeof(long);
606aa02fb57SPoul-Henning Kamp 		}
607dbf9b92fSDoug Rabson 		return (0);
608dbf9b92fSDoug Rabson 
609dbf9b92fSDoug Rabson 	case 'P':
610dbf9b92fSDoug Rabson 		if (!nflag)
611d0b8aabbSAnton Berezin 			printf("%s%s", name, sep);
612dbf9b92fSDoug Rabson 		printf("%p", *(void **)p);
613dbf9b92fSDoug Rabson 		return (0);
614dbf9b92fSDoug Rabson 
6151d86b91cSPoul-Henning Kamp 	case 'T':
6161d86b91cSPoul-Henning Kamp 	case 'S':
6171d86b91cSPoul-Henning Kamp 		i = 0;
618a89ab9bbSDag-Erling Smørgrav 		if (strcmp(fmt, "S,clockinfo") == 0)
619a89ab9bbSDag-Erling Smørgrav 			func = S_clockinfo;
620a89ab9bbSDag-Erling Smørgrav 		else if (strcmp(fmt, "S,timeval") == 0)
621a89ab9bbSDag-Erling Smørgrav 			func = S_timeval;
622a89ab9bbSDag-Erling Smørgrav 		else if (strcmp(fmt, "S,loadavg") == 0)
623a89ab9bbSDag-Erling Smørgrav 			func = S_loadavg;
624f7550ecfSMatthew Dillon 		else if (strcmp(fmt, "S,vmtotal") == 0)
625f7550ecfSMatthew Dillon 			func = S_vmtotal;
626a89ab9bbSDag-Erling Smørgrav 		else if (strcmp(fmt, "T,dev_t") == 0)
627a89ab9bbSDag-Erling Smørgrav 			func = T_dev_t;
628a89ab9bbSDag-Erling Smørgrav 		else
629a89ab9bbSDag-Erling Smørgrav 			func = NULL;
6301d86b91cSPoul-Henning Kamp 		if (func) {
6311d86b91cSPoul-Henning Kamp 			if (!nflag)
632d0b8aabbSAnton Berezin 				printf("%s%s", name, sep);
6331d86b91cSPoul-Henning Kamp 			return ((*func)(len, p));
6341d86b91cSPoul-Henning Kamp 		}
6351d86b91cSPoul-Henning Kamp 		/* FALLTHROUGH */
636dea673e9SRodney W. Grimes 	default:
6379a2402bcSDag-Erling Smørgrav 		if (!oflag && !xflag)
6381d86b91cSPoul-Henning Kamp 			return (1);
6391d86b91cSPoul-Henning Kamp 		if (!nflag)
640d0b8aabbSAnton Berezin 			printf("%s%s", name, sep);
6411d86b91cSPoul-Henning Kamp 		printf("Format:%s Length:%d Dump:0x", fmt, len);
642a89ab9bbSDag-Erling Smørgrav 		while (len-- && (xflag || p < val + 16))
6431d86b91cSPoul-Henning Kamp 			printf("%02x", *p++);
644a89ab9bbSDag-Erling Smørgrav 		if (!xflag && len > 16)
6451d86b91cSPoul-Henning Kamp 			printf("...");
6461d86b91cSPoul-Henning Kamp 		return (0);
6471d86b91cSPoul-Henning Kamp 	}
6481d86b91cSPoul-Henning Kamp 	return (1);
649dea673e9SRodney W. Grimes }
650dea673e9SRodney W. Grimes 
6511d86b91cSPoul-Henning Kamp static int
6521d86b91cSPoul-Henning Kamp sysctl_all (int *oid, int len)
653dea673e9SRodney W. Grimes {
6541d86b91cSPoul-Henning Kamp 	int name1[22], name2[22];
655dbf9b92fSDoug Rabson 	int i, j;
656dbf9b92fSDoug Rabson 	size_t l1, l2;
657dea673e9SRodney W. Grimes 
6581d86b91cSPoul-Henning Kamp 	name1[0] = 0;
6591d86b91cSPoul-Henning Kamp 	name1[1] = 2;
6601d86b91cSPoul-Henning Kamp 	l1 = 2;
6611d86b91cSPoul-Henning Kamp 	if (len) {
6621d86b91cSPoul-Henning Kamp 		memcpy(name1+2, oid, len * sizeof(int));
6631d86b91cSPoul-Henning Kamp 		l1 += len;
6641d86b91cSPoul-Henning Kamp 	} else {
6651d86b91cSPoul-Henning Kamp 		name1[2] = 1;
6661d86b91cSPoul-Henning Kamp 		l1++;
6671d86b91cSPoul-Henning Kamp 	}
668a89ab9bbSDag-Erling Smørgrav 	for (;;) {
66931fb4661SDima Dorfman 		l2 = sizeof(name2);
6701d86b91cSPoul-Henning Kamp 		j = sysctl(name1, l1, name2, &l2, 0, 0);
671c1160fe4SBill Fumerola 		if (j < 0) {
6721d86b91cSPoul-Henning Kamp 			if (errno == ENOENT)
6731d86b91cSPoul-Henning Kamp 				return 0;
6741d86b91cSPoul-Henning Kamp 			else
675d9b1bc77SPhilippe Charnier 				err(1, "sysctl(getnext) %d %d", j, l2);
676c1160fe4SBill Fumerola 		}
6771d86b91cSPoul-Henning Kamp 
6781d86b91cSPoul-Henning Kamp 		l2 /= sizeof(int);
6791d86b91cSPoul-Henning Kamp 
6801d86b91cSPoul-Henning Kamp 		if (l2 < len)
6811d86b91cSPoul-Henning Kamp 			return 0;
6821d86b91cSPoul-Henning Kamp 
6831d86b91cSPoul-Henning Kamp 		for (i = 0; i < len; i++)
6841d86b91cSPoul-Henning Kamp 			if (name2[i] != oid[i])
6851d86b91cSPoul-Henning Kamp 				return 0;
6861d86b91cSPoul-Henning Kamp 
6871d86b91cSPoul-Henning Kamp 		i = show_var(name2, l2);
6881d86b91cSPoul-Henning Kamp 		if (!i && !bflag)
6891d86b91cSPoul-Henning Kamp 			putchar('\n');
6901d86b91cSPoul-Henning Kamp 
6911d86b91cSPoul-Henning Kamp 		memcpy(name1+2, name2, l2 * sizeof(int));
6921d86b91cSPoul-Henning Kamp 		l1 = 2 + l2;
6931d86b91cSPoul-Henning Kamp 	}
694dea673e9SRodney W. Grimes }
695