xref: /freebsd/bin/ps/print.c (revision 71fe318b852b8dfb3e799cb12ef184750f7f8eac) 
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  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #if 0
35 #ifndef lint
36 static char sccsid[] = "@(#)print.c	8.6 (Berkeley) 4/16/94";
37 #endif /* not lint */
38 #endif
39 #include <sys/cdefs.h>
40 __FBSDID("$FreeBSD$");
41 
42 #include <sys/param.h>
43 #include <sys/time.h>
44 #include <sys/resource.h>
45 #include <sys/proc.h>
46 #include <sys/stat.h>
47 
48 #include <sys/mac.h>
49 #include <sys/user.h>
50 #include <sys/sysctl.h>
51 
52 #include <err.h>
53 #include <grp.h>
54 #include <langinfo.h>
55 #include <locale.h>
56 #include <math.h>
57 #include <nlist.h>
58 #include <pwd.h>
59 #include <stddef.h>
60 #include <stdio.h>
61 #include <stdlib.h>
62 #include <string.h>
63 #include <unistd.h>
64 #include <vis.h>
65 
66 #include "ps.h"
67 
68 #define	ps_pgtok(a)	(((a) * getpagesize()) / 1024)
69 
70 void
71 printheader(void)
72 {
73 	VAR *v;
74 	struct varent *vent;
75 
76 	for (vent = vhead; vent; vent = vent->next) {
77 		v = vent->var;
78 		if (v->flag & LJUST) {
79 			if (vent->next == NULL)	/* last one */
80 				(void)printf("%s", v->header);
81 			else
82 				(void)printf("%-*s", v->width, v->header);
83 		} else
84 			(void)printf("%*s", v->width, v->header);
85 		if (vent->next != NULL)
86 			(void)putchar(' ');
87 	}
88 	(void)putchar('\n');
89 }
90 
91 void
92 arguments(KINFO *k, VARENT *ve)
93 {
94 	VAR *v;
95 	int left;
96 	char *cp, *vis_args;
97 
98 	v = ve->var;
99 
100 	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
101 		errx(1, "malloc failed");
102 	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
103 
104 	if (ve->next == NULL) {
105 		/* last field */
106 		if (termwidth == UNLIMITED) {
107 			(void)printf("%s", vis_args);
108 		} else {
109 			left = termwidth - (totwidth - v->width);
110 			if (left < 1) /* already wrapped, just use std width */
111 				left = v->width;
112 			for (cp = vis_args; --left >= 0 && *cp != '\0';)
113 				(void)putchar(*cp++);
114 		}
115 	} else {
116 		(void)printf("%-*.*s", v->width, v->width, vis_args);
117 	}
118 	free(vis_args);
119 }
120 
121 void
122 command(KINFO *k, VARENT *ve)
123 {
124 	VAR *v;
125 	int left;
126 	char *cp, *vis_env, *vis_args;
127 
128 	v = ve->var;
129 
130 	if (cflag) {
131 		if (ve->next == NULL)	/* last field, don't pad */
132 			(void)printf("%s", k->ki_p->ki_comm);
133 		else
134 			(void)printf("%-*s", v->width, k->ki_p->ki_comm);
135 		return;
136 	}
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 (ve->next == 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 
175 void
176 ucomm(KINFO *k, VARENT *ve)
177 {
178 	VAR *v;
179 
180 	v = ve->var;
181 	(void)printf("%-*s", v->width, k->ki_p->ki_comm);
182 }
183 
184 void
185 logname(KINFO *k, VARENT *ve)
186 {
187 	VAR *v;
188 	char *s;
189 
190 	v = ve->var;
191 	(void)printf("%-*s", v->width, (s = k->ki_p->ki_login, *s) ? s : "-");
192 }
193 
194 void
195 state(KINFO *k, VARENT *ve)
196 {
197 	int flag, sflag, tdflags;
198 	char *cp;
199 	VAR *v;
200 	char buf[16];
201 
202 	v = ve->var;
203 	flag = k->ki_p->ki_flag;
204 	sflag = k->ki_p->ki_sflag;
205 	tdflags = k->ki_p->ki_tdflags;	/* XXXKSE */
206 	cp = buf;
207 
208 	switch (k->ki_p->ki_stat) {
209 
210 	case SSTOP:
211 		*cp = 'T';
212 		break;
213 
214 	case SSLEEP:
215 		if (tdflags & TDF_SINTR)	/* interruptable (long) */
216 			*cp = k->ki_p->ki_slptime >= MAXSLP ? 'I' : 'S';
217 		else
218 			*cp = 'D';
219 		break;
220 
221 	case SRUN:
222 	case SIDL:
223 		*cp = 'R';
224 		break;
225 
226 	case SWAIT:
227 		*cp = 'W';
228 		break;
229 
230 	case SLOCK:
231 		*cp = 'L';
232 		break;
233 
234 	case SZOMB:
235 		*cp = 'Z';
236 		break;
237 
238 	default:
239 		*cp = '?';
240 	}
241 	cp++;
242 	if (!(sflag & PS_INMEM))
243 		*cp++ = 'W';
244 	if (k->ki_p->ki_nice < NZERO)
245 		*cp++ = '<';
246 	else if (k->ki_p->ki_nice > NZERO)
247 		*cp++ = 'N';
248 	if (flag & P_TRACED)
249 		*cp++ = 'X';
250 	if (flag & P_WEXIT && k->ki_p->ki_stat != SZOMB)
251 		*cp++ = 'E';
252 	if (flag & P_PPWAIT)
253 		*cp++ = 'V';
254 	if ((flag & P_SYSTEM) || k->ki_p->ki_lock > 0)
255 		*cp++ = 'L';
256 	if (k->ki_p->ki_kiflag & KI_SLEADER)
257 		*cp++ = 's';
258 	if ((flag & P_CONTROLT) && k->ki_p->ki_pgid == k->ki_p->ki_tpgid)
259 		*cp++ = '+';
260 	if (flag & P_JAILED)
261 		*cp++ = 'J';
262 	*cp = '\0';
263 	(void)printf("%-*s", v->width, buf);
264 }
265 
266 void
267 pri(KINFO *k, VARENT *ve)
268 {
269 	VAR *v;
270 
271 	v = ve->var;
272 	(void)printf("%*d", v->width, k->ki_p->ki_pri.pri_level - PZERO);
273 }
274 
275 void
276 uname(KINFO *k, VARENT *ve)
277 {
278 	VAR *v;
279 
280 	v = ve->var;
281 	(void)printf("%-*s", v->width, user_from_uid(k->ki_p->ki_uid, 0));
282 }
283 
284 int
285 s_uname(KINFO *k)
286 {
287 	    return (strlen(user_from_uid(k->ki_p->ki_uid, 0)));
288 }
289 
290 void
291 rgroupname(KINFO *k, VARENT *ve)
292 {
293 	VAR *v;
294 
295 	v = ve->var;
296 	(void)printf("%-*s", v->width, group_from_gid(k->ki_p->ki_rgid, 0));
297 }
298 
299 int
300 s_rgroupname(KINFO *k)
301 {
302 	return (strlen(group_from_gid(k->ki_p->ki_rgid, 0)));
303 }
304 
305 void
306 runame(KINFO *k, VARENT *ve)
307 {
308 	VAR *v;
309 
310 	v = ve->var;
311 	(void)printf("%-*s", v->width, user_from_uid(k->ki_p->ki_ruid, 0));
312 }
313 
314 int
315 s_runame(KINFO *k)
316 {
317 	    return (strlen(user_from_uid(k->ki_p->ki_ruid, 0)));
318 }
319 
320 
321 void
322 tdev(KINFO *k, VARENT *ve)
323 {
324 	VAR *v;
325 	dev_t dev;
326 	char buff[16];
327 
328 	v = ve->var;
329 	dev = k->ki_p->ki_tdev;
330 	if (dev == NODEV)
331 		(void)printf("%*s", v->width, "??");
332 	else {
333 		(void)snprintf(buff, sizeof(buff),
334 		    "%d/%d", major(dev), minor(dev));
335 		(void)printf("%*s", v->width, buff);
336 	}
337 }
338 
339 void
340 tname(KINFO *k, VARENT *ve)
341 {
342 	VAR *v;
343 	dev_t dev;
344 	char *ttname;
345 
346 	v = ve->var;
347 	dev = k->ki_p->ki_tdev;
348 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
349 		(void)printf("%*s ", v->width-1, "??");
350 	else {
351 		if (strncmp(ttname, "tty", 3) == 0 ||
352 		    strncmp(ttname, "cua", 3) == 0)
353 			ttname += 3;
354 		(void)printf("%*.*s%c", v->width-1, v->width-1, ttname,
355 			k->ki_p->ki_kiflag & KI_CTTY ? ' ' : '-');
356 	}
357 }
358 
359 void
360 longtname(KINFO *k, VARENT *ve)
361 {
362 	VAR *v;
363 	dev_t dev;
364 	char *ttname;
365 
366 	v = ve->var;
367 	dev = k->ki_p->ki_tdev;
368 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
369 		(void)printf("%-*s", v->width, "??");
370 	else
371 		(void)printf("%-*s", v->width, ttname);
372 }
373 
374 void
375 started(KINFO *k, VARENT *ve)
376 {
377 	VAR *v;
378 	time_t then;
379 	struct tm *tp;
380 	char buf[100];
381 	static int  use_ampm = -1;
382 
383 	v = ve->var;
384 	if (!k->ki_valid) {
385 		(void)printf("%-*s", v->width, "-");
386 		return;
387 	}
388 
389 	if (use_ampm < 0)
390 		use_ampm = (*nl_langinfo(T_FMT_AMPM) != '\0');
391 
392 	then = k->ki_p->ki_start.tv_sec;
393 	tp = localtime(&then);
394 	if (now - k->ki_p->ki_start.tv_sec < 24 * 3600) {
395 		(void)strftime(buf, sizeof(buf) - 1,
396 		use_ampm ? "%l:%M%p" : "%k:%M  ", tp);
397 	} else if (now - k->ki_p->ki_start.tv_sec < 7 * 86400) {
398 		(void)strftime(buf, sizeof(buf) - 1,
399 		use_ampm ? "%a%I%p" : "%a%H  ", tp);
400 	} else
401 		(void)strftime(buf, sizeof(buf) - 1, "%e%b%y", tp);
402 	(void)printf("%-*s", v->width, buf);
403 }
404 
405 void
406 lstarted(KINFO *k, VARENT *ve)
407 {
408 	VAR *v;
409 	time_t then;
410 	char buf[100];
411 
412 	v = ve->var;
413 	if (!k->ki_valid) {
414 		(void)printf("%-*s", v->width, "-");
415 		return;
416 	}
417 	then = k->ki_p->ki_start.tv_sec;
418 	(void)strftime(buf, sizeof(buf) -1, "%c", localtime(&then));
419 	(void)printf("%-*s", v->width, buf);
420 }
421 
422 void
423 lockname(KINFO *k, VARENT *ve)
424 {
425 	VAR *v;
426 
427 	v = ve->var;
428 	if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
429 		if (k->ki_p->ki_lockname[0] != 0)
430 			(void)printf("%-*.*s", v->width, v->width,
431 				      k->ki_p->ki_lockname);
432 		else
433 			(void)printf("%-*s", v->width, "???");
434 	} else
435 		(void)printf("%-*s", v->width, "-");
436 }
437 
438 void
439 wchan(KINFO *k, VARENT *ve)
440 {
441 	VAR *v;
442 
443 	v = ve->var;
444 	if (k->ki_p->ki_wchan) {
445 		if (k->ki_p->ki_wmesg[0] != 0)
446 			(void)printf("%-*.*s", v->width, v->width,
447 				      k->ki_p->ki_wmesg);
448 		else
449 			(void)printf("%-*lx", v->width,
450 			    (long)k->ki_p->ki_wchan);
451 	} else {
452 		(void)printf("%-*s", v->width, "-");
453 	}
454 }
455 
456 void
457 mwchan(KINFO *k, VARENT *ve)
458 {
459 	VAR *v;
460 
461 	v = ve->var;
462 	if (k->ki_p->ki_wchan) {
463 		if (k->ki_p->ki_wmesg[0] != 0)
464 			(void)printf("%-*.*s", v->width, v->width,
465 				      k->ki_p->ki_wmesg);
466 		else
467 			(void)printf("%-*lx", v->width,
468 			    (long)k->ki_p->ki_wchan);
469 	} else if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
470 		if (k->ki_p->ki_lockname[0]) {
471 			(void)printf("%-*.*s", v->width, v->width,
472 			    k->ki_p->ki_lockname);
473 		} else {
474 			(void)printf("%-*s", v->width, "???");
475 		}
476 	} else {
477 		(void)printf("%-*s", v->width, "-");
478 	}
479 }
480 
481 void
482 vsize(KINFO *k, VARENT *ve)
483 {
484 	VAR *v;
485 
486 	v = ve->var;
487 	(void)printf("%*lu", v->width, (u_long)(k->ki_p->ki_size / 1024));
488 }
489 
490 void
491 cputime(KINFO *k, VARENT *ve)
492 {
493 	VAR *v;
494 	long secs;
495 	long psecs;	/* "parts" of a second. first micro, then centi */
496 	char obuff[128];
497 	static char decimal_point = 0;
498 
499 	if (!decimal_point)
500 		decimal_point = localeconv()->decimal_point[0];
501 	v = ve->var;
502 	if (k->ki_p->ki_stat == SZOMB || !k->ki_valid) {
503 		secs = 0;
504 		psecs = 0;
505 	} else {
506 		/*
507 		 * This counts time spent handling interrupts.  We could
508 		 * fix this, but it is not 100% trivial (and interrupt
509 		 * time fractions only work on the sparc anyway).	XXX
510 		 */
511 		secs = k->ki_p->ki_runtime / 1000000;
512 		psecs = k->ki_p->ki_runtime % 1000000;
513 		if (sumrusage) {
514 			secs += k->ki_p->ki_childtime.tv_sec;
515 			psecs += k->ki_p->ki_childtime.tv_usec;
516 		}
517 		/*
518 		 * round and scale to 100's
519 		 */
520 		psecs = (psecs + 5000) / 10000;
521 		secs += psecs / 100;
522 		psecs = psecs % 100;
523 	}
524 	(void)snprintf(obuff, sizeof(obuff),
525 	    "%3ld:%02ld%c%02ld", secs/60, secs%60, decimal_point, psecs);
526 	(void)printf("%*s", v->width, obuff);
527 }
528 
529 void
530 elapsed(KINFO *k, VARENT *ve)
531 {
532 	VAR *v;
533 	time_t secs;
534 	char obuff[128];
535 
536 	v = ve->var;
537 
538 	secs = now - k->ki_p->ki_start.tv_sec;
539 	(void)snprintf(obuff, sizeof(obuff), "%3ld:%02ld", (long)secs/60,
540 	    (long)secs%60);
541 	(void)printf("%*s", v->width, obuff);
542 }
543 
544 double
545 getpcpu(const KINFO *k)
546 {
547 	static int failure;
548 
549 	if (!nlistread)
550 		failure = donlist();
551 	if (failure)
552 		return (0.0);
553 
554 #define	fxtofl(fixpt)	((double)(fixpt) / fscale)
555 
556 	/* XXX - I don't like this */
557 	if (k->ki_p->ki_swtime == 0 || (k->ki_p->ki_sflag & PS_INMEM) == 0)
558 		return (0.0);
559 	if (rawcpu)
560 		return (100.0 * fxtofl(k->ki_p->ki_pctcpu));
561 	return (100.0 * fxtofl(k->ki_p->ki_pctcpu) /
562 		(1.0 - exp(k->ki_p->ki_swtime * log(fxtofl(ccpu)))));
563 }
564 
565 void
566 pcpu(KINFO *k, VARENT *ve)
567 {
568 	VAR *v;
569 
570 	v = ve->var;
571 	(void)printf("%*.1f", v->width, getpcpu(k));
572 }
573 
574 static double
575 getpmem(KINFO *k)
576 {
577 	static int failure;
578 	double fracmem;
579 
580 	if (!nlistread)
581 		failure = donlist();
582 	if (failure)
583 		return (0.0);
584 
585 	if ((k->ki_p->ki_sflag & PS_INMEM) == 0)
586 		return (0.0);
587 	/* XXX want pmap ptpages, segtab, etc. (per architecture) */
588 	/* XXX don't have info about shared */
589 	fracmem = ((float)k->ki_p->ki_rssize)/mempages;
590 	return (100.0 * fracmem);
591 }
592 
593 void
594 pmem(KINFO *k, VARENT *ve)
595 {
596 	VAR *v;
597 
598 	v = ve->var;
599 	(void)printf("%*.1f", v->width, getpmem(k));
600 }
601 
602 void
603 pagein(KINFO *k, VARENT *ve)
604 {
605 	VAR *v;
606 
607 	v = ve->var;
608 	(void)printf("%*ld", v->width,
609 	    k->ki_valid ? k->ki_p->ki_rusage.ru_majflt : 0);
610 }
611 
612 /* ARGSUSED */
613 void
614 maxrss(KINFO *k __unused, VARENT *ve)
615 {
616 	VAR *v;
617 
618 	v = ve->var;
619 	/* XXX not yet */
620 	(void)printf("%*s", v->width, "-");
621 }
622 
623 void
624 priorityr(KINFO *k, VARENT *ve)
625 {
626 	VAR *v;
627 	struct priority *lpri;
628 	char str[8];
629 	unsigned class, level;
630 
631 	v = ve->var;
632 	lpri = (struct priority *) ((char *)k + v->off);
633 	class = lpri->pri_class;
634 	level = lpri->pri_level;
635 	switch (class) {
636 	case PRI_REALTIME:
637 		snprintf(str, sizeof(str), "real:%u", level);
638 		break;
639 	case PRI_TIMESHARE:
640 		strncpy(str, "normal", sizeof(str));
641 		break;
642 	case PRI_IDLE:
643 		snprintf(str, sizeof(str), "idle:%u", level);
644 		break;
645 	default:
646 		snprintf(str, sizeof(str), "%u:%u", class, level);
647 		break;
648 	}
649 	str[sizeof(str) - 1] = '\0';
650 	(void)printf("%*s", v->width, str);
651 }
652 
653 /*
654  * Generic output routines.  Print fields from various prototype
655  * structures.
656  */
657 static void
658 printval(void *bp, VAR *v)
659 {
660 	static char ofmt[32] = "%";
661 	const char *fcp;
662 	char *cp;
663 
664 	cp = ofmt + 1;
665 	fcp = v->fmt;
666 	if (v->flag & LJUST)
667 		*cp++ = '-';
668 	*cp++ = '*';
669 	while ((*cp++ = *fcp++));
670 
671 	switch (v->type) {
672 	case CHAR:
673 		(void)printf(ofmt, v->width, *(char *)bp);
674 		break;
675 	case UCHAR:
676 		(void)printf(ofmt, v->width, *(u_char *)bp);
677 		break;
678 	case SHORT:
679 		(void)printf(ofmt, v->width, *(short *)bp);
680 		break;
681 	case USHORT:
682 		(void)printf(ofmt, v->width, *(u_short *)bp);
683 		break;
684 	case INT:
685 		(void)printf(ofmt, v->width, *(int *)bp);
686 		break;
687 	case UINT:
688 		(void)printf(ofmt, v->width, *(u_int *)bp);
689 		break;
690 	case LONG:
691 		(void)printf(ofmt, v->width, *(long *)bp);
692 		break;
693 	case ULONG:
694 		(void)printf(ofmt, v->width, *(u_long *)bp);
695 		break;
696 	case KPTR:
697 		(void)printf(ofmt, v->width, *(u_long *)bp);
698 		break;
699 	case PGTOK:
700 		(void)printf(ofmt, v->width, ps_pgtok(*(u_long *)bp));
701 		break;
702 	default:
703 		errx(1, "unknown type %d", v->type);
704 	}
705 }
706 
707 void
708 kvar(KINFO *k, VARENT *ve)
709 {
710 	VAR *v;
711 
712 	v = ve->var;
713 	printval((char *)((char *)k->ki_p + v->off), v);
714 }
715 
716 void
717 rvar(KINFO *k, VARENT *ve)
718 {
719 	VAR *v;
720 
721 	v = ve->var;
722 	if (k->ki_valid)
723 		printval((char *)((char *)(&k->ki_p->ki_rusage) + v->off), v);
724 	else
725 		(void)printf("%*s", v->width, "-");
726 }
727 
728 void
729 label(KINFO *k, VARENT *ve)
730 {
731 	char *string;
732 	mac_t label;
733 	int error;
734 	VAR *v;
735 
736 	v = ve->var;
737 	string = NULL;
738 
739 	if (mac_prepare_process_label(&label) == -1) {
740 		perror("mac_prepare_process_label");
741 		goto out;
742 	}
743 
744 	error = mac_get_pid(k->ki_p->ki_pid, label);
745 	if (error == 0) {
746 		if (mac_to_text(label, &string) == -1)
747 			string = NULL;
748 	}
749 	mac_free(label);
750 
751 out:
752 	if (string != NULL) {
753 		(void)printf("%-*s", v->width, string);
754 		free(string);
755 	} else
756 		(void)printf("%-*s", v->width, "");
757 	return;
758 }
759 
760 int
761 s_label(KINFO *k)
762 {
763 	char *string = NULL;
764 	mac_t label;
765 	int error, size = 0;
766 
767 	if (mac_prepare_process_label(&label) == -1) {
768 		perror("mac_prepare_process_label");
769 		return (0);
770 	}
771 	error = mac_get_pid(k->ki_p->ki_pid, label);
772 	if (error == 0 && mac_to_text(label, &string) == 0) {
773 		size = strlen(string);
774 		free(string);
775 	}
776 	mac_free(label);
777 	return (size);
778 }
779