print.c revision 172207 
1/*-
2 * Copyright (c) 1990, 1993, 1994
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#if 0
31#ifndef lint
32static char sccsid[] = "@(#)print.c	8.6 (Berkeley) 4/16/94";
33#endif /* not lint */
34#endif
35
36#include <sys/cdefs.h>
37__FBSDID("$FreeBSD: head/bin/ps/print.c 172207 2007-09-17 05:31:39Z jeff $");
38
39#include <sys/param.h>
40#include <sys/time.h>
41#include <sys/resource.h>
42#include <sys/proc.h>
43#include <sys/stat.h>
44
45#include <sys/mac.h>
46#include <sys/user.h>
47#include <sys/sysctl.h>
48
49#include <err.h>
50#include <grp.h>
51#include <langinfo.h>
52#include <locale.h>
53#include <math.h>
54#include <nlist.h>
55#include <pwd.h>
56#include <stddef.h>
57#include <stdio.h>
58#include <stdlib.h>
59#include <string.h>
60#include <unistd.h>
61#include <vis.h>
62
63#include "ps.h"
64
65#define	ps_pgtok(a)	(((a) * getpagesize()) / 1024)
66
67void
68printheader(void)
69{
70	VAR *v;
71	struct varent *vent;
72
73	STAILQ_FOREACH(vent, &varlist, next_ve)
74		if (*vent->header != '\0')
75			break;
76	if (!vent)
77		return;
78
79	STAILQ_FOREACH(vent, &varlist, next_ve) {
80		v = vent->var;
81		if (v->flag & LJUST) {
82			if (STAILQ_NEXT(vent, next_ve) == NULL)	/* last one */
83				(void)printf("%s", vent->header);
84			else
85				(void)printf("%-*s", v->width, vent->header);
86		} else
87			(void)printf("%*s", v->width, vent->header);
88		if (STAILQ_NEXT(vent, next_ve) != NULL)
89			(void)putchar(' ');
90	}
91	(void)putchar('\n');
92}
93
94void
95arguments(KINFO *k, VARENT *ve)
96{
97	VAR *v;
98	int left;
99	char *cp, *vis_args;
100
101	v = ve->var;
102	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
103		errx(1, "malloc failed");
104	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
105	if (STAILQ_NEXT(ve, next_ve) == NULL) {
106		/* last field */
107		if (termwidth == UNLIMITED) {
108			(void)printf("%s", vis_args);
109		} else {
110			left = termwidth - (totwidth - v->width);
111			if (left < 1) /* already wrapped, just use std width */
112				left = v->width;
113			for (cp = vis_args; --left >= 0 && *cp != '\0';)
114				(void)putchar(*cp++);
115		}
116	} else {
117		(void)printf("%-*.*s", v->width, v->width, vis_args);
118	}
119	free(vis_args);
120}
121
122void
123command(KINFO *k, VARENT *ve)
124{
125	VAR *v;
126	int left;
127	char *cp, *vis_env, *vis_args;
128
129	v = ve->var;
130	if (cflag) {
131		/* If it is the last field, then don't pad */
132		if (STAILQ_NEXT(ve, next_ve) == NULL)
133			(void)printf("%s", k->ki_p->ki_comm);
134		else
135			(void)printf("%-*s", v->width, k->ki_p->ki_comm);
136		return;
137	}
138	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
139		errx(1, "malloc failed");
140	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
141	if (k->ki_env) {
142		if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1)) == NULL)
143			errx(1, "malloc failed");
144		strvis(vis_env, k->ki_env, VIS_TAB | VIS_NL | VIS_NOSLASH);
145	} else
146		vis_env = NULL;
147
148	if (STAILQ_NEXT(ve, next_ve) == NULL) {
149		/* last field */
150		if (termwidth == UNLIMITED) {
151			if (vis_env)
152				(void)printf("%s ", vis_env);
153			(void)printf("%s", vis_args);
154		} else {
155			left = termwidth - (totwidth - v->width);
156			if (left < 1) /* already wrapped, just use std width */
157				left = v->width;
158			if ((cp = vis_env) != NULL) {
159				while (--left >= 0 && *cp)
160					(void)putchar(*cp++);
161				if (--left >= 0)
162					putchar(' ');
163			}
164			for (cp = vis_args; --left >= 0 && *cp != '\0';)
165				(void)putchar(*cp++);
166		}
167	} else
168		/* XXX env? */
169		(void)printf("%-*.*s", v->width, v->width, vis_args);
170	free(vis_args);
171	if (vis_env != NULL)
172		free(vis_env);
173}
174
175void
176ucomm(KINFO *k, VARENT *ve)
177{
178	VAR *v;
179
180	v = ve->var;
181	if (STAILQ_NEXT(ve, next_ve) == NULL)	/* last field, don't pad */
182		(void)printf("%s", k->ki_p->ki_comm);
183	else
184		(void)printf("%-*s", v->width, k->ki_p->ki_comm);
185}
186
187void
188logname(KINFO *k, VARENT *ve)
189{
190	VAR *v;
191	char *s;
192
193	v = ve->var;
194	(void)printf("%-*s", v->width, (s = k->ki_p->ki_login, *s) ? s : "-");
195}
196
197void
198state(KINFO *k, VARENT *ve)
199{
200	int flag, tdflags;
201	char *cp;
202	VAR *v;
203	char buf[16];
204
205	v = ve->var;
206	flag = k->ki_p->ki_flag;
207	tdflags = k->ki_p->ki_tdflags;	/* XXXKSE */
208	cp = buf;
209
210	switch (k->ki_p->ki_stat) {
211
212	case SSTOP:
213		*cp = 'T';
214		break;
215
216	case SSLEEP:
217		if (tdflags & TDF_SINTR)	/* interruptable (long) */
218			*cp = k->ki_p->ki_slptime >= MAXSLP ? 'I' : 'S';
219		else
220			*cp = 'D';
221		break;
222
223	case SRUN:
224	case SIDL:
225		*cp = 'R';
226		break;
227
228	case SWAIT:
229		*cp = 'W';
230		break;
231
232	case SLOCK:
233		*cp = 'L';
234		break;
235
236	case SZOMB:
237		*cp = 'Z';
238		break;
239
240	default:
241		*cp = '?';
242	}
243	cp++;
244	if (!(flag & P_INMEM))
245		*cp++ = 'W';
246	if (k->ki_p->ki_nice < NZERO)
247		*cp++ = '<';
248	else if (k->ki_p->ki_nice > NZERO)
249		*cp++ = 'N';
250	if (flag & P_TRACED)
251		*cp++ = 'X';
252	if (flag & P_WEXIT && k->ki_p->ki_stat != SZOMB)
253		*cp++ = 'E';
254	if (flag & P_PPWAIT)
255		*cp++ = 'V';
256	if ((flag & P_SYSTEM) || k->ki_p->ki_lock > 0)
257		*cp++ = 'L';
258	if (k->ki_p->ki_kiflag & KI_SLEADER)
259		*cp++ = 's';
260	if ((flag & P_CONTROLT) && k->ki_p->ki_pgid == k->ki_p->ki_tpgid)
261		*cp++ = '+';
262	if (flag & P_JAILED)
263		*cp++ = 'J';
264	*cp = '\0';
265	(void)printf("%-*s", v->width, buf);
266}
267
268#define	scalepri(x)	((x) - PZERO)
269
270void
271pri(KINFO *k, VARENT *ve)
272{
273	VAR *v;
274
275	v = ve->var;
276	(void)printf("%*d", v->width, scalepri(k->ki_p->ki_pri.pri_level));
277}
278
279void
280upr(KINFO *k, VARENT *ve)
281{
282	VAR *v;
283
284	v = ve->var;
285	(void)printf("%*d", v->width, scalepri(k->ki_p->ki_pri.pri_user));
286}
287#undef scalepri
288
289void
290uname(KINFO *k, VARENT *ve)
291{
292	VAR *v;
293
294	v = ve->var;
295	(void)printf("%-*s", v->width, user_from_uid(k->ki_p->ki_uid, 0));
296}
297
298int
299s_uname(KINFO *k)
300{
301	return (strlen(user_from_uid(k->ki_p->ki_uid, 0)));
302}
303
304void
305rgroupname(KINFO *k, VARENT *ve)
306{
307	VAR *v;
308
309	v = ve->var;
310	(void)printf("%-*s", v->width, group_from_gid(k->ki_p->ki_rgid, 0));
311}
312
313int
314s_rgroupname(KINFO *k)
315{
316	return (strlen(group_from_gid(k->ki_p->ki_rgid, 0)));
317}
318
319void
320runame(KINFO *k, VARENT *ve)
321{
322	VAR *v;
323
324	v = ve->var;
325	(void)printf("%-*s", v->width, user_from_uid(k->ki_p->ki_ruid, 0));
326}
327
328int
329s_runame(KINFO *k)
330{
331	return (strlen(user_from_uid(k->ki_p->ki_ruid, 0)));
332}
333
334
335void
336tdev(KINFO *k, VARENT *ve)
337{
338	VAR *v;
339	dev_t dev;
340	char buff[16];
341
342	v = ve->var;
343	dev = k->ki_p->ki_tdev;
344	if (dev == NODEV)
345		(void)printf("%*s", v->width, "??");
346	else {
347		(void)snprintf(buff, sizeof(buff),
348		    "%d/%d", major(dev), minor(dev));
349		(void)printf("%*s", v->width, buff);
350	}
351}
352
353void
354tname(KINFO *k, VARENT *ve)
355{
356	VAR *v;
357	dev_t dev;
358	char *ttname;
359
360	v = ve->var;
361	dev = k->ki_p->ki_tdev;
362	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
363		(void)printf("%*s ", v->width - 1, "??");
364	else {
365		if (strncmp(ttname, "tty", 3) == 0 ||
366		    strncmp(ttname, "cua", 3) == 0)
367			ttname += 3;
368		if (strncmp(ttname, "pts/", 4) == 0)
369			ttname += 4;
370		(void)printf("%*.*s%c", v->width - 1, v->width - 1, ttname,
371		    k->ki_p->ki_kiflag & KI_CTTY ? ' ' : '-');
372	}
373}
374
375void
376longtname(KINFO *k, VARENT *ve)
377{
378	VAR *v;
379	dev_t dev;
380	char *ttname;
381
382	v = ve->var;
383	dev = k->ki_p->ki_tdev;
384	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
385		(void)printf("%-*s", v->width, "??");
386	else
387		(void)printf("%-*s", v->width, ttname);
388}
389
390void
391started(KINFO *k, VARENT *ve)
392{
393	VAR *v;
394	time_t then;
395	struct tm *tp;
396	static int use_ampm = -1;
397	char buf[100];
398
399	v = ve->var;
400	if (!k->ki_valid) {
401		(void)printf("%-*s", v->width, "-");
402		return;
403	}
404	if (use_ampm < 0)
405		use_ampm = (*nl_langinfo(T_FMT_AMPM) != '\0');
406	then = k->ki_p->ki_start.tv_sec;
407	tp = localtime(&then);
408	if (now - k->ki_p->ki_start.tv_sec < 24 * 3600) {
409		(void)strftime(buf, sizeof(buf),
410		    use_ampm ? "%l:%M%p" : "%k:%M  ", tp);
411	} else if (now - k->ki_p->ki_start.tv_sec < 7 * 86400) {
412		(void)strftime(buf, sizeof(buf),
413		    use_ampm ? "%a%I%p" : "%a%H  ", tp);
414	} else
415		(void)strftime(buf, sizeof(buf), "%e%b%y", tp);
416	(void)printf("%-*s", v->width, buf);
417}
418
419void
420lstarted(KINFO *k, VARENT *ve)
421{
422	VAR *v;
423	time_t then;
424	char buf[100];
425
426	v = ve->var;
427	if (!k->ki_valid) {
428		(void)printf("%-*s", v->width, "-");
429		return;
430	}
431	then = k->ki_p->ki_start.tv_sec;
432	(void)strftime(buf, sizeof(buf), "%c", localtime(&then));
433	(void)printf("%-*s", v->width, buf);
434}
435
436void
437lockname(KINFO *k, VARENT *ve)
438{
439	VAR *v;
440
441	v = ve->var;
442	if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
443		if (k->ki_p->ki_lockname[0] != 0)
444			(void)printf("%-*.*s", v->width, v->width,
445			    k->ki_p->ki_lockname);
446		else
447			(void)printf("%-*s", v->width, "???");
448	} else
449		(void)printf("%-*s", v->width, "-");
450}
451
452void
453wchan(KINFO *k, VARENT *ve)
454{
455	VAR *v;
456
457	v = ve->var;
458	if (k->ki_p->ki_wchan) {
459		if (k->ki_p->ki_wmesg[0] != 0)
460			(void)printf("%-*.*s", v->width, v->width,
461			    k->ki_p->ki_wmesg);
462		else
463			(void)printf("%-*lx", v->width,
464			    (long)k->ki_p->ki_wchan);
465	} else
466		(void)printf("%-*s", v->width, "-");
467}
468
469void
470nwchan(KINFO *k, VARENT *ve)
471{
472	VAR *v;
473
474	v = ve->var;
475	if (k->ki_p->ki_wchan) {
476		(void)printf("%0*lx", v->width,
477		    (long)k->ki_p->ki_wchan);
478	} else
479		(void)printf("%-*s", v->width, "-");
480}
481
482void
483mwchan(KINFO *k, VARENT *ve)
484{
485	VAR *v;
486
487	v = ve->var;
488	if (k->ki_p->ki_wchan) {
489		if (k->ki_p->ki_wmesg[0] != 0)
490			(void)printf("%-*.*s", v->width, v->width,
491			    k->ki_p->ki_wmesg);
492		else
493			(void)printf("%-*lx", v->width,
494			    (long)k->ki_p->ki_wchan);
495	} else if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
496		if (k->ki_p->ki_lockname[0]) {
497			(void)printf("%-*.*s", v->width, v->width,
498			    k->ki_p->ki_lockname);
499		} else
500			(void)printf("%-*s", v->width, "???");
501	} else
502		(void)printf("%-*s", v->width, "-");
503}
504
505void
506vsize(KINFO *k, VARENT *ve)
507{
508	VAR *v;
509
510	v = ve->var;
511	(void)printf("%*lu", v->width, (u_long)(k->ki_p->ki_size / 1024));
512}
513
514void
515cputime(KINFO *k, VARENT *ve)
516{
517	VAR *v;
518	long secs;
519	long psecs;	/* "parts" of a second. first micro, then centi */
520	char obuff[128];
521	static char decimal_point;
522
523	if (decimal_point == '\0')
524		decimal_point = localeconv()->decimal_point[0];
525	v = ve->var;
526	if (!k->ki_valid) {
527		secs = 0;
528		psecs = 0;
529	} else {
530		/*
531		 * This counts time spent handling interrupts.  We could
532		 * fix this, but it is not 100% trivial (and interrupt
533		 * time fractions only work on the sparc anyway).	XXX
534		 */
535		secs = k->ki_p->ki_runtime / 1000000;
536		psecs = k->ki_p->ki_runtime % 1000000;
537		if (sumrusage) {
538			secs += k->ki_p->ki_childtime.tv_sec;
539			psecs += k->ki_p->ki_childtime.tv_usec;
540		}
541		/*
542		 * round and scale to 100's
543		 */
544		psecs = (psecs + 5000) / 10000;
545		secs += psecs / 100;
546		psecs = psecs % 100;
547	}
548	(void)snprintf(obuff, sizeof(obuff), "%3ld:%02ld%c%02ld",
549	    secs / 60, secs % 60, decimal_point, psecs);
550	(void)printf("%*s", v->width, obuff);
551}
552
553void
554elapsed(KINFO *k, VARENT *ve)
555{
556	VAR *v;
557	time_t val;
558	int days, hours, mins, secs;
559	char obuff[128];
560
561	v = ve->var;
562	val = now - k->ki_p->ki_start.tv_sec;
563	days = val / (24 * 60 * 60);
564	val %= 24 * 60 * 60;
565	hours = val / (60 * 60);
566	val %= 60 * 60;
567	mins = val / 60;
568	secs = val % 60;
569	if (days != 0)
570		(void)snprintf(obuff, sizeof(obuff), "%3d-%02d:%02d:%02d",
571		    days, hours, mins, secs);
572	else if (hours != 0)
573		(void)snprintf(obuff, sizeof(obuff), "%02d:%02d:%02d",
574		    hours, mins, secs);
575	else
576		(void)snprintf(obuff, sizeof(obuff), "%02d:%02d", mins, secs);
577	(void)printf("%*s", v->width, obuff);
578}
579
580double
581getpcpu(const KINFO *k)
582{
583	static int failure;
584
585	if (!nlistread)
586		failure = donlist();
587	if (failure)
588		return (0.0);
589
590#define	fxtofl(fixpt)	((double)(fixpt) / fscale)
591
592	/* XXX - I don't like this */
593	if (k->ki_p->ki_swtime == 0 || (k->ki_p->ki_flag & P_INMEM) == 0)
594		return (0.0);
595	if (rawcpu)
596		return (100.0 * fxtofl(k->ki_p->ki_pctcpu));
597	return (100.0 * fxtofl(k->ki_p->ki_pctcpu) /
598		(1.0 - exp(k->ki_p->ki_swtime * log(fxtofl(ccpu)))));
599}
600
601void
602pcpu(KINFO *k, VARENT *ve)
603{
604	VAR *v;
605
606	v = ve->var;
607	(void)printf("%*.1f", v->width, getpcpu(k));
608}
609
610static double
611getpmem(KINFO *k)
612{
613	static int failure;
614	double fracmem;
615
616	if (!nlistread)
617		failure = donlist();
618	if (failure)
619		return (0.0);
620
621	if ((k->ki_p->ki_flag & P_INMEM) == 0)
622		return (0.0);
623	/* XXX want pmap ptpages, segtab, etc. (per architecture) */
624	/* XXX don't have info about shared */
625	fracmem = ((float)k->ki_p->ki_rssize) / mempages;
626	return (100.0 * fracmem);
627}
628
629void
630pmem(KINFO *k, VARENT *ve)
631{
632	VAR *v;
633
634	v = ve->var;
635	(void)printf("%*.1f", v->width, getpmem(k));
636}
637
638void
639pagein(KINFO *k, VARENT *ve)
640{
641	VAR *v;
642
643	v = ve->var;
644	(void)printf("%*ld", v->width,
645	    k->ki_valid ? k->ki_p->ki_rusage.ru_majflt : 0);
646}
647
648/* ARGSUSED */
649void
650maxrss(KINFO *k __unused, VARENT *ve)
651{
652	VAR *v;
653
654	v = ve->var;
655	/* XXX not yet */
656	(void)printf("%*s", v->width, "-");
657}
658
659void
660priorityr(KINFO *k, VARENT *ve)
661{
662	VAR *v;
663	struct priority *lpri;
664	char str[8];
665	unsigned class, level;
666
667	v = ve->var;
668	lpri = &k->ki_p->ki_pri;
669	class = lpri->pri_class;
670	level = lpri->pri_level;
671	switch (class) {
672	case PRI_ITHD:
673		snprintf(str, sizeof(str), "intr:%u", level);
674		break;
675	case PRI_REALTIME:
676		snprintf(str, sizeof(str), "real:%u", level);
677		break;
678	case PRI_TIMESHARE:
679		strncpy(str, "normal", sizeof(str));
680		break;
681	case PRI_IDLE:
682		snprintf(str, sizeof(str), "idle:%u", level);
683		break;
684	default:
685		snprintf(str, sizeof(str), "%u:%u", class, level);
686		break;
687	}
688	str[sizeof(str) - 1] = '\0';
689	(void)printf("%*s", v->width, str);
690}
691
692/*
693 * Generic output routines.  Print fields from various prototype
694 * structures.
695 */
696static void
697printval(void *bp, VAR *v)
698{
699	static char ofmt[32] = "%";
700	const char *fcp;
701	char *cp;
702
703	cp = ofmt + 1;
704	fcp = v->fmt;
705	if (v->flag & LJUST)
706		*cp++ = '-';
707	*cp++ = '*';
708	while ((*cp++ = *fcp++));
709
710#define	CHKINF127(n)	(((n) > 127) && (v->flag & INF127) ? 127 : (n))
711
712	switch (v->type) {
713	case CHAR:
714		(void)printf(ofmt, v->width, *(char *)bp);
715		break;
716	case UCHAR:
717		(void)printf(ofmt, v->width, *(u_char *)bp);
718		break;
719	case SHORT:
720		(void)printf(ofmt, v->width, *(short *)bp);
721		break;
722	case USHORT:
723		(void)printf(ofmt, v->width, *(u_short *)bp);
724		break;
725	case INT:
726		(void)printf(ofmt, v->width, *(int *)bp);
727		break;
728	case UINT:
729		(void)printf(ofmt, v->width, CHKINF127(*(u_int *)bp));
730		break;
731	case LONG:
732		(void)printf(ofmt, v->width, *(long *)bp);
733		break;
734	case ULONG:
735		(void)printf(ofmt, v->width, *(u_long *)bp);
736		break;
737	case KPTR:
738		(void)printf(ofmt, v->width, *(u_long *)bp);
739		break;
740	case PGTOK:
741		(void)printf(ofmt, v->width, ps_pgtok(*(u_long *)bp));
742		break;
743	default:
744		errx(1, "unknown type %d", v->type);
745	}
746}
747
748void
749kvar(KINFO *k, VARENT *ve)
750{
751	VAR *v;
752
753	v = ve->var;
754	printval((char *)((char *)k->ki_p + v->off), v);
755}
756
757void
758rvar(KINFO *k, VARENT *ve)
759{
760	VAR *v;
761
762	v = ve->var;
763	if (k->ki_valid)
764		printval((char *)((char *)(&k->ki_p->ki_rusage) + v->off), v);
765	else
766		(void)printf("%*s", v->width, "-");
767}
768
769void
770emulname(KINFO *k, VARENT *ve)
771{
772	VAR *v;
773
774	v = ve->var;
775	printf("%-*s", v->width, *k->ki_p->ki_emul ? k->ki_p->ki_emul : "-");
776}
777
778void
779label(KINFO *k, VARENT *ve)
780{
781	char *string;
782	VAR *v;
783	mac_t proclabel;
784	int error;
785
786	v = ve->var;
787	string = NULL;
788	if (mac_prepare_process_label(&proclabel) == -1) {
789		warn("mac_prepare_process_label");
790		goto out;
791	}
792	error = mac_get_pid(k->ki_p->ki_pid, proclabel);
793	if (error == 0) {
794		if (mac_to_text(proclabel, &string) == -1)
795			string = NULL;
796	}
797	mac_free(proclabel);
798out:
799	if (string != NULL) {
800		(void)printf("%-*s", v->width, string);
801		free(string);
802	} else
803		(void)printf("%-*s", v->width, "  -");
804	return;
805}
806
807int
808s_label(KINFO *k)
809{
810	char *string = NULL;
811	mac_t proclabel;
812	int error, size = 0;
813
814	if (mac_prepare_process_label(&proclabel) == -1) {
815		warn("mac_prepare_process_label");
816		return (0);
817	}
818	error = mac_get_pid(k->ki_p->ki_pid, proclabel);
819	if (error == 0 && mac_to_text(proclabel, &string) == 0) {
820		size = strlen(string);
821		free(string);
822	}
823	mac_free(proclabel);
824	return (size);
825}
826