xref: /freebsd/bin/ps/print.c (revision 4b2eaea43fec8e8792be611dea204071a10b655a) 
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 	int allempty;
76 
77 	allempty = 1;
78 	for (vent = vhead; vent; vent = vent->next)
79 		if (*vent->header != '\0') {
80 			allempty = 0;
81 			break;
82 		}
83 	if (allempty)
84 		return;
85 	for (vent = vhead; vent; vent = vent->next) {
86 		v = vent->var;
87 		if (v->flag & LJUST) {
88 			if (vent->next == NULL)	/* last one */
89 				(void)printf("%s", vent->header);
90 			else
91 				(void)printf("%-*s", v->width, vent->header);
92 		} else
93 			(void)printf("%*s", v->width, vent->header);
94 		if (vent->next != NULL)
95 			(void)putchar(' ');
96 	}
97 	(void)putchar('\n');
98 }
99 
100 void
101 arguments(KINFO *k, VARENT *ve)
102 {
103 	VAR *v;
104 	int left;
105 	char *cp, *vis_args;
106 
107 	v = ve->var;
108 
109 	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
110 		errx(1, "malloc failed");
111 	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
112 
113 	if (ve->next == NULL) {
114 		/* last field */
115 		if (termwidth == UNLIMITED) {
116 			(void)printf("%s", vis_args);
117 		} else {
118 			left = termwidth - (totwidth - v->width);
119 			if (left < 1) /* already wrapped, just use std width */
120 				left = v->width;
121 			for (cp = vis_args; --left >= 0 && *cp != '\0';)
122 				(void)putchar(*cp++);
123 		}
124 	} else {
125 		(void)printf("%-*.*s", v->width, v->width, vis_args);
126 	}
127 	free(vis_args);
128 }
129 
130 void
131 command(KINFO *k, VARENT *ve)
132 {
133 	VAR *v;
134 	int left;
135 	char *cp, *vis_env, *vis_args;
136 
137 	v = ve->var;
138 
139 	if (cflag) {
140 		if (ve->next == NULL)	/* last field, don't pad */
141 			(void)printf("%s", k->ki_p->ki_comm);
142 		else
143 			(void)printf("%-*s", v->width, k->ki_p->ki_comm);
144 		return;
145 	}
146 
147 	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
148 		errx(1, "malloc failed");
149 	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
150 	if (k->ki_env) {
151 		if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1)) == NULL)
152 			errx(1, "malloc failed");
153 		strvis(vis_env, k->ki_env, VIS_TAB | VIS_NL | VIS_NOSLASH);
154 	} else
155 		vis_env = NULL;
156 
157 	if (ve->next == NULL) {
158 		/* last field */
159 		if (termwidth == UNLIMITED) {
160 			if (vis_env)
161 				(void)printf("%s ", vis_env);
162 			(void)printf("%s", vis_args);
163 		} else {
164 			left = termwidth - (totwidth - v->width);
165 			if (left < 1) /* already wrapped, just use std width */
166 				left = v->width;
167 			if ((cp = vis_env) != NULL) {
168 				while (--left >= 0 && *cp)
169 					(void)putchar(*cp++);
170 				if (--left >= 0)
171 					putchar(' ');
172 			}
173 			for (cp = vis_args; --left >= 0 && *cp != '\0';)
174 				(void)putchar(*cp++);
175 		}
176 	} else
177 		/* XXX env? */
178 		(void)printf("%-*.*s", v->width, v->width, vis_args);
179 	free(vis_args);
180 	if (vis_env != NULL)
181 		free(vis_env);
182 }
183 
184 void
185 ucomm(KINFO *k, VARENT *ve)
186 {
187 	VAR *v;
188 
189 	v = ve->var;
190 	(void)printf("%-*s", v->width, k->ki_p->ki_comm);
191 }
192 
193 void
194 logname(KINFO *k, VARENT *ve)
195 {
196 	VAR *v;
197 	char *s;
198 
199 	v = ve->var;
200 	(void)printf("%-*s", v->width, (s = k->ki_p->ki_login, *s) ? s : "-");
201 }
202 
203 void
204 state(KINFO *k, VARENT *ve)
205 {
206 	int flag, sflag, tdflags;
207 	char *cp;
208 	VAR *v;
209 	char buf[16];
210 
211 	v = ve->var;
212 	flag = k->ki_p->ki_flag;
213 	sflag = k->ki_p->ki_sflag;
214 	tdflags = k->ki_p->ki_tdflags;	/* XXXKSE */
215 	cp = buf;
216 
217 	switch (k->ki_p->ki_stat) {
218 
219 	case SSTOP:
220 		*cp = 'T';
221 		break;
222 
223 	case SSLEEP:
224 		if (tdflags & TDF_SINTR)	/* interruptable (long) */
225 			*cp = k->ki_p->ki_slptime >= MAXSLP ? 'I' : 'S';
226 		else
227 			*cp = 'D';
228 		break;
229 
230 	case SRUN:
231 	case SIDL:
232 		*cp = 'R';
233 		break;
234 
235 	case SWAIT:
236 		*cp = 'W';
237 		break;
238 
239 	case SLOCK:
240 		*cp = 'L';
241 		break;
242 
243 	case SZOMB:
244 		*cp = 'Z';
245 		break;
246 
247 	default:
248 		*cp = '?';
249 	}
250 	cp++;
251 	if (!(sflag & PS_INMEM))
252 		*cp++ = 'W';
253 	if (k->ki_p->ki_nice < NZERO)
254 		*cp++ = '<';
255 	else if (k->ki_p->ki_nice > NZERO)
256 		*cp++ = 'N';
257 	if (flag & P_TRACED)
258 		*cp++ = 'X';
259 	if (flag & P_WEXIT && k->ki_p->ki_stat != SZOMB)
260 		*cp++ = 'E';
261 	if (flag & P_PPWAIT)
262 		*cp++ = 'V';
263 	if ((flag & P_SYSTEM) || k->ki_p->ki_lock > 0)
264 		*cp++ = 'L';
265 	if (k->ki_p->ki_kiflag & KI_SLEADER)
266 		*cp++ = 's';
267 	if ((flag & P_CONTROLT) && k->ki_p->ki_pgid == k->ki_p->ki_tpgid)
268 		*cp++ = '+';
269 	if (flag & P_JAILED)
270 		*cp++ = 'J';
271 	*cp = '\0';
272 	(void)printf("%-*s", v->width, buf);
273 }
274 
275 void
276 pri(KINFO *k, VARENT *ve)
277 {
278 	VAR *v;
279 
280 	v = ve->var;
281 	(void)printf("%*d", v->width, k->ki_p->ki_pri.pri_level - PZERO);
282 }
283 
284 void
285 uname(KINFO *k, VARENT *ve)
286 {
287 	VAR *v;
288 
289 	v = ve->var;
290 	(void)printf("%-*s", v->width, user_from_uid(k->ki_p->ki_uid, 0));
291 }
292 
293 int
294 s_uname(KINFO *k)
295 {
296 	    return (strlen(user_from_uid(k->ki_p->ki_uid, 0)));
297 }
298 
299 void
300 rgroupname(KINFO *k, VARENT *ve)
301 {
302 	VAR *v;
303 
304 	v = ve->var;
305 	(void)printf("%-*s", v->width, group_from_gid(k->ki_p->ki_rgid, 0));
306 }
307 
308 int
309 s_rgroupname(KINFO *k)
310 {
311 	return (strlen(group_from_gid(k->ki_p->ki_rgid, 0)));
312 }
313 
314 void
315 runame(KINFO *k, VARENT *ve)
316 {
317 	VAR *v;
318 
319 	v = ve->var;
320 	(void)printf("%-*s", v->width, user_from_uid(k->ki_p->ki_ruid, 0));
321 }
322 
323 int
324 s_runame(KINFO *k)
325 {
326 	    return (strlen(user_from_uid(k->ki_p->ki_ruid, 0)));
327 }
328 
329 
330 void
331 tdev(KINFO *k, VARENT *ve)
332 {
333 	VAR *v;
334 	dev_t dev;
335 	char buff[16];
336 
337 	v = ve->var;
338 	dev = k->ki_p->ki_tdev;
339 	if (dev == NODEV)
340 		(void)printf("%*s", v->width, "??");
341 	else {
342 		(void)snprintf(buff, sizeof(buff),
343 		    "%d/%d", major(dev), minor(dev));
344 		(void)printf("%*s", v->width, buff);
345 	}
346 }
347 
348 void
349 tname(KINFO *k, VARENT *ve)
350 {
351 	VAR *v;
352 	dev_t dev;
353 	char *ttname;
354 
355 	v = ve->var;
356 	dev = k->ki_p->ki_tdev;
357 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
358 		(void)printf("%*s ", v->width-1, "??");
359 	else {
360 		if (strncmp(ttname, "tty", 3) == 0 ||
361 		    strncmp(ttname, "cua", 3) == 0)
362 			ttname += 3;
363 		(void)printf("%*.*s%c", v->width-1, v->width-1, ttname,
364 			k->ki_p->ki_kiflag & KI_CTTY ? ' ' : '-');
365 	}
366 }
367 
368 void
369 longtname(KINFO *k, VARENT *ve)
370 {
371 	VAR *v;
372 	dev_t dev;
373 	char *ttname;
374 
375 	v = ve->var;
376 	dev = k->ki_p->ki_tdev;
377 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
378 		(void)printf("%-*s", v->width, "??");
379 	else
380 		(void)printf("%-*s", v->width, ttname);
381 }
382 
383 void
384 started(KINFO *k, VARENT *ve)
385 {
386 	VAR *v;
387 	time_t then;
388 	struct tm *tp;
389 	char buf[100];
390 	static int  use_ampm = -1;
391 
392 	v = ve->var;
393 	if (!k->ki_valid) {
394 		(void)printf("%-*s", v->width, "-");
395 		return;
396 	}
397 
398 	if (use_ampm < 0)
399 		use_ampm = (*nl_langinfo(T_FMT_AMPM) != '\0');
400 
401 	then = k->ki_p->ki_start.tv_sec;
402 	tp = localtime(&then);
403 	if (now - k->ki_p->ki_start.tv_sec < 24 * 3600) {
404 		(void)strftime(buf, sizeof(buf) - 1,
405 		use_ampm ? "%l:%M%p" : "%k:%M  ", tp);
406 	} else if (now - k->ki_p->ki_start.tv_sec < 7 * 86400) {
407 		(void)strftime(buf, sizeof(buf) - 1,
408 		use_ampm ? "%a%I%p" : "%a%H  ", tp);
409 	} else
410 		(void)strftime(buf, sizeof(buf) - 1, "%e%b%y", tp);
411 	(void)printf("%-*s", v->width, buf);
412 }
413 
414 void
415 lstarted(KINFO *k, VARENT *ve)
416 {
417 	VAR *v;
418 	time_t then;
419 	char buf[100];
420 
421 	v = ve->var;
422 	if (!k->ki_valid) {
423 		(void)printf("%-*s", v->width, "-");
424 		return;
425 	}
426 	then = k->ki_p->ki_start.tv_sec;
427 	(void)strftime(buf, sizeof(buf) -1, "%c", localtime(&then));
428 	(void)printf("%-*s", v->width, buf);
429 }
430 
431 void
432 lockname(KINFO *k, VARENT *ve)
433 {
434 	VAR *v;
435 
436 	v = ve->var;
437 	if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
438 		if (k->ki_p->ki_lockname[0] != 0)
439 			(void)printf("%-*.*s", v->width, v->width,
440 				      k->ki_p->ki_lockname);
441 		else
442 			(void)printf("%-*s", v->width, "???");
443 	} else
444 		(void)printf("%-*s", v->width, "-");
445 }
446 
447 void
448 wchan(KINFO *k, VARENT *ve)
449 {
450 	VAR *v;
451 
452 	v = ve->var;
453 	if (k->ki_p->ki_wchan) {
454 		if (k->ki_p->ki_wmesg[0] != 0)
455 			(void)printf("%-*.*s", v->width, v->width,
456 				      k->ki_p->ki_wmesg);
457 		else
458 			(void)printf("%-*lx", v->width,
459 			    (long)k->ki_p->ki_wchan);
460 	} else {
461 		(void)printf("%-*s", v->width, "-");
462 	}
463 }
464 
465 void
466 mwchan(KINFO *k, VARENT *ve)
467 {
468 	VAR *v;
469 
470 	v = ve->var;
471 	if (k->ki_p->ki_wchan) {
472 		if (k->ki_p->ki_wmesg[0] != 0)
473 			(void)printf("%-*.*s", v->width, v->width,
474 				      k->ki_p->ki_wmesg);
475 		else
476 			(void)printf("%-*lx", v->width,
477 			    (long)k->ki_p->ki_wchan);
478 	} else if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
479 		if (k->ki_p->ki_lockname[0]) {
480 			(void)printf("%-*.*s", v->width, v->width,
481 			    k->ki_p->ki_lockname);
482 		} else {
483 			(void)printf("%-*s", v->width, "???");
484 		}
485 	} else {
486 		(void)printf("%-*s", v->width, "-");
487 	}
488 }
489 
490 void
491 vsize(KINFO *k, VARENT *ve)
492 {
493 	VAR *v;
494 
495 	v = ve->var;
496 	(void)printf("%*lu", v->width, (u_long)(k->ki_p->ki_size / 1024));
497 }
498 
499 void
500 cputime(KINFO *k, VARENT *ve)
501 {
502 	VAR *v;
503 	long secs;
504 	long psecs;	/* "parts" of a second. first micro, then centi */
505 	char obuff[128];
506 	static char decimal_point = 0;
507 
508 	if (!decimal_point)
509 		decimal_point = localeconv()->decimal_point[0];
510 	v = ve->var;
511 	if (k->ki_p->ki_stat == SZOMB || !k->ki_valid) {
512 		secs = 0;
513 		psecs = 0;
514 	} else {
515 		/*
516 		 * This counts time spent handling interrupts.  We could
517 		 * fix this, but it is not 100% trivial (and interrupt
518 		 * time fractions only work on the sparc anyway).	XXX
519 		 */
520 		secs = k->ki_p->ki_runtime / 1000000;
521 		psecs = k->ki_p->ki_runtime % 1000000;
522 		if (sumrusage) {
523 			secs += k->ki_p->ki_childtime.tv_sec;
524 			psecs += k->ki_p->ki_childtime.tv_usec;
525 		}
526 		/*
527 		 * round and scale to 100's
528 		 */
529 		psecs = (psecs + 5000) / 10000;
530 		secs += psecs / 100;
531 		psecs = psecs % 100;
532 	}
533 	(void)snprintf(obuff, sizeof(obuff),
534 	    "%3ld:%02ld%c%02ld", secs/60, secs%60, decimal_point, psecs);
535 	(void)printf("%*s", v->width, obuff);
536 }
537 
538 void
539 elapsed(KINFO *k, VARENT *ve)
540 {
541 	VAR *v;
542 	time_t secs;
543 	char obuff[128];
544 
545 	v = ve->var;
546 
547 	secs = now - k->ki_p->ki_start.tv_sec;
548 	(void)snprintf(obuff, sizeof(obuff), "%3ld:%02ld", (long)secs/60,
549 	    (long)secs%60);
550 	(void)printf("%*s", v->width, obuff);
551 }
552 
553 double
554 getpcpu(const KINFO *k)
555 {
556 	static int failure;
557 
558 	if (!nlistread)
559 		failure = donlist();
560 	if (failure)
561 		return (0.0);
562 
563 #define	fxtofl(fixpt)	((double)(fixpt) / fscale)
564 
565 	/* XXX - I don't like this */
566 	if (k->ki_p->ki_swtime == 0 || (k->ki_p->ki_sflag & PS_INMEM) == 0)
567 		return (0.0);
568 	if (rawcpu)
569 		return (100.0 * fxtofl(k->ki_p->ki_pctcpu));
570 	return (100.0 * fxtofl(k->ki_p->ki_pctcpu) /
571 		(1.0 - exp(k->ki_p->ki_swtime * log(fxtofl(ccpu)))));
572 }
573 
574 void
575 pcpu(KINFO *k, VARENT *ve)
576 {
577 	VAR *v;
578 
579 	v = ve->var;
580 	(void)printf("%*.1f", v->width, getpcpu(k));
581 }
582 
583 static double
584 getpmem(KINFO *k)
585 {
586 	static int failure;
587 	double fracmem;
588 
589 	if (!nlistread)
590 		failure = donlist();
591 	if (failure)
592 		return (0.0);
593 
594 	if ((k->ki_p->ki_sflag & PS_INMEM) == 0)
595 		return (0.0);
596 	/* XXX want pmap ptpages, segtab, etc. (per architecture) */
597 	/* XXX don't have info about shared */
598 	fracmem = ((float)k->ki_p->ki_rssize)/mempages;
599 	return (100.0 * fracmem);
600 }
601 
602 void
603 pmem(KINFO *k, VARENT *ve)
604 {
605 	VAR *v;
606 
607 	v = ve->var;
608 	(void)printf("%*.1f", v->width, getpmem(k));
609 }
610 
611 void
612 pagein(KINFO *k, VARENT *ve)
613 {
614 	VAR *v;
615 
616 	v = ve->var;
617 	(void)printf("%*ld", v->width,
618 	    k->ki_valid ? k->ki_p->ki_rusage.ru_majflt : 0);
619 }
620 
621 /* ARGSUSED */
622 void
623 maxrss(KINFO *k __unused, VARENT *ve)
624 {
625 	VAR *v;
626 
627 	v = ve->var;
628 	/* XXX not yet */
629 	(void)printf("%*s", v->width, "-");
630 }
631 
632 void
633 priorityr(KINFO *k, VARENT *ve)
634 {
635 	VAR *v;
636 	struct priority *lpri;
637 	char str[8];
638 	unsigned class, level;
639 
640 	v = ve->var;
641 	lpri = (struct priority *) ((char *)k + v->off);
642 	class = lpri->pri_class;
643 	level = lpri->pri_level;
644 	switch (class) {
645 	case PRI_REALTIME:
646 		snprintf(str, sizeof(str), "real:%u", level);
647 		break;
648 	case PRI_TIMESHARE:
649 		strncpy(str, "normal", sizeof(str));
650 		break;
651 	case PRI_IDLE:
652 		snprintf(str, sizeof(str), "idle:%u", level);
653 		break;
654 	default:
655 		snprintf(str, sizeof(str), "%u:%u", class, level);
656 		break;
657 	}
658 	str[sizeof(str) - 1] = '\0';
659 	(void)printf("%*s", v->width, str);
660 }
661 
662 /*
663  * Generic output routines.  Print fields from various prototype
664  * structures.
665  */
666 static void
667 printval(void *bp, VAR *v)
668 {
669 	static char ofmt[32] = "%";
670 	const char *fcp;
671 	char *cp;
672 
673 	cp = ofmt + 1;
674 	fcp = v->fmt;
675 	if (v->flag & LJUST)
676 		*cp++ = '-';
677 	*cp++ = '*';
678 	while ((*cp++ = *fcp++));
679 
680 	switch (v->type) {
681 	case CHAR:
682 		(void)printf(ofmt, v->width, *(char *)bp);
683 		break;
684 	case UCHAR:
685 		(void)printf(ofmt, v->width, *(u_char *)bp);
686 		break;
687 	case SHORT:
688 		(void)printf(ofmt, v->width, *(short *)bp);
689 		break;
690 	case USHORT:
691 		(void)printf(ofmt, v->width, *(u_short *)bp);
692 		break;
693 	case INT:
694 		(void)printf(ofmt, v->width, *(int *)bp);
695 		break;
696 	case UINT:
697 		(void)printf(ofmt, v->width, *(u_int *)bp);
698 		break;
699 	case LONG:
700 		(void)printf(ofmt, v->width, *(long *)bp);
701 		break;
702 	case ULONG:
703 		(void)printf(ofmt, v->width, *(u_long *)bp);
704 		break;
705 	case KPTR:
706 		(void)printf(ofmt, v->width, *(u_long *)bp);
707 		break;
708 	case PGTOK:
709 		(void)printf(ofmt, v->width, ps_pgtok(*(u_long *)bp));
710 		break;
711 	default:
712 		errx(1, "unknown type %d", v->type);
713 	}
714 }
715 
716 void
717 kvar(KINFO *k, VARENT *ve)
718 {
719 	VAR *v;
720 
721 	v = ve->var;
722 	printval((char *)((char *)k->ki_p + v->off), v);
723 }
724 
725 void
726 rvar(KINFO *k, VARENT *ve)
727 {
728 	VAR *v;
729 
730 	v = ve->var;
731 	if (k->ki_valid)
732 		printval((char *)((char *)(&k->ki_p->ki_rusage) + v->off), v);
733 	else
734 		(void)printf("%*s", v->width, "-");
735 }
736 
737 void
738 label(KINFO *k, VARENT *ve)
739 {
740 	char *string;
741 	mac_t proclabel;
742 	int error;
743 	VAR *v;
744 
745 	v = ve->var;
746 	string = NULL;
747 
748 	if (mac_prepare_process_label(&proclabel) == -1) {
749 		perror("mac_prepare_process_label");
750 		goto out;
751 	}
752 
753 	error = mac_get_pid(k->ki_p->ki_pid, proclabel);
754 	if (error == 0) {
755 		if (mac_to_text(proclabel, &string) == -1)
756 			string = NULL;
757 	}
758 	mac_free(proclabel);
759 
760 out:
761 	if (string != NULL) {
762 		(void)printf("%-*s", v->width, string);
763 		free(string);
764 	} else
765 		(void)printf("%-*s", v->width, "");
766 	return;
767 }
768 
769 int
770 s_label(KINFO *k)
771 {
772 	char *string = NULL;
773 	mac_t proclabel;
774 	int error, size = 0;
775 
776 	if (mac_prepare_process_label(&proclabel) == -1) {
777 		perror("mac_prepare_process_label");
778 		return (0);
779 	}
780 	error = mac_get_pid(k->ki_p->ki_pid, proclabel);
781 	if (error == 0 && mac_to_text(proclabel, &string) == 0) {
782 		size = strlen(string);
783 		free(string);
784 	}
785 	mac_free(proclabel);
786 	return (size);
787 }
788