xref: /freebsd/bin/ps/print.c (revision 2357939bc239bd5334a169b62313806178dd8f30) 
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
32 static char sccsid[] = "@(#)print.c	8.6 (Berkeley) 4/16/94";
33 #endif /* not lint */
34 #endif
35 
36 #include <sys/cdefs.h>
37 __FBSDID("$FreeBSD$");
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 
67 void
68 printheader(void)
69 {
70 	VAR *v;
71 	struct varent *vent;
72 	int allempty;
73 
74 	allempty = 1;
75 	for (vent = vhead; vent; vent = vent->next)
76 		if (*vent->header != '\0') {
77 			allempty = 0;
78 			break;
79 		}
80 	if (allempty)
81 		return;
82 	for (vent = vhead; vent; vent = vent->next) {
83 		v = vent->var;
84 		if (v->flag & LJUST) {
85 			if (vent->next == NULL)	/* last one */
86 				(void)printf("%s", vent->header);
87 			else
88 				(void)printf("%-*s", v->width, vent->header);
89 		} else
90 			(void)printf("%*s", v->width, vent->header);
91 		if (vent->next != NULL)
92 			(void)putchar(' ');
93 	}
94 	(void)putchar('\n');
95 }
96 
97 void
98 arguments(KINFO *k, VARENT *ve)
99 {
100 	VAR *v;
101 	int left;
102 	char *cp, *vis_args;
103 
104 	v = ve->var;
105 	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
106 		errx(1, "malloc failed");
107 	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
108 	if (ve->next == NULL) {
109 		/* last field */
110 		if (termwidth == UNLIMITED) {
111 			(void)printf("%s", vis_args);
112 		} else {
113 			left = termwidth - (totwidth - v->width);
114 			if (left < 1) /* already wrapped, just use std width */
115 				left = v->width;
116 			for (cp = vis_args; --left >= 0 && *cp != '\0';)
117 				(void)putchar(*cp++);
118 		}
119 	} else {
120 		(void)printf("%-*.*s", v->width, v->width, vis_args);
121 	}
122 	free(vis_args);
123 }
124 
125 void
126 command(KINFO *k, VARENT *ve)
127 {
128 	VAR *v;
129 	int left;
130 	char *cp, *vis_env, *vis_args;
131 
132 	v = ve->var;
133 	if (cflag) {
134 		if (ve->next == NULL)	/* last field, don't pad */
135 			(void)printf("%s", k->ki_p->ki_comm);
136 		else
137 			(void)printf("%-*s", v->width, k->ki_p->ki_comm);
138 		return;
139 	}
140 	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
141 		errx(1, "malloc failed");
142 	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
143 	if (k->ki_env) {
144 		if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1)) == NULL)
145 			errx(1, "malloc failed");
146 		strvis(vis_env, k->ki_env, VIS_TAB | VIS_NL | VIS_NOSLASH);
147 	} else
148 		vis_env = NULL;
149 
150 	if (ve->next == NULL) {
151 		/* last field */
152 		if (termwidth == UNLIMITED) {
153 			if (vis_env)
154 				(void)printf("%s ", vis_env);
155 			(void)printf("%s", vis_args);
156 		} else {
157 			left = termwidth - (totwidth - v->width);
158 			if (left < 1) /* already wrapped, just use std width */
159 				left = v->width;
160 			if ((cp = vis_env) != NULL) {
161 				while (--left >= 0 && *cp)
162 					(void)putchar(*cp++);
163 				if (--left >= 0)
164 					putchar(' ');
165 			}
166 			for (cp = vis_args; --left >= 0 && *cp != '\0';)
167 				(void)putchar(*cp++);
168 		}
169 	} else
170 		/* XXX env? */
171 		(void)printf("%-*.*s", v->width, v->width, vis_args);
172 	free(vis_args);
173 	if (vis_env != NULL)
174 		free(vis_env);
175 }
176 
177 void
178 ucomm(KINFO *k, VARENT *ve)
179 {
180 	VAR *v;
181 
182 	v = ve->var;
183 	(void)printf("%-*s", v->width, k->ki_p->ki_comm);
184 }
185 
186 void
187 logname(KINFO *k, VARENT *ve)
188 {
189 	VAR *v;
190 	char *s;
191 
192 	v = ve->var;
193 	(void)printf("%-*s", v->width, (s = k->ki_p->ki_login, *s) ? s : "-");
194 }
195 
196 void
197 state(KINFO *k, VARENT *ve)
198 {
199 	int flag, sflag, tdflags;
200 	char *cp;
201 	VAR *v;
202 	char buf[16];
203 
204 	v = ve->var;
205 	flag = k->ki_p->ki_flag;
206 	sflag = k->ki_p->ki_sflag;
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 (!(sflag & PS_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 void
269 pri(KINFO *k, VARENT *ve)
270 {
271 	VAR *v;
272 
273 	v = ve->var;
274 	(void)printf("%*d", v->width, k->ki_p->ki_pri.pri_level - PZERO);
275 }
276 
277 void
278 uname(KINFO *k, VARENT *ve)
279 {
280 	VAR *v;
281 
282 	v = ve->var;
283 	(void)printf("%-*s", v->width, user_from_uid(k->ki_p->ki_uid, 0));
284 }
285 
286 int
287 s_uname(KINFO *k)
288 {
289 	return (strlen(user_from_uid(k->ki_p->ki_uid, 0)));
290 }
291 
292 void
293 rgroupname(KINFO *k, VARENT *ve)
294 {
295 	VAR *v;
296 
297 	v = ve->var;
298 	(void)printf("%-*s", v->width, group_from_gid(k->ki_p->ki_rgid, 0));
299 }
300 
301 int
302 s_rgroupname(KINFO *k)
303 {
304 	return (strlen(group_from_gid(k->ki_p->ki_rgid, 0)));
305 }
306 
307 void
308 runame(KINFO *k, VARENT *ve)
309 {
310 	VAR *v;
311 
312 	v = ve->var;
313 	(void)printf("%-*s", v->width, user_from_uid(k->ki_p->ki_ruid, 0));
314 }
315 
316 int
317 s_runame(KINFO *k)
318 {
319 	return (strlen(user_from_uid(k->ki_p->ki_ruid, 0)));
320 }
321 
322 
323 void
324 tdev(KINFO *k, VARENT *ve)
325 {
326 	VAR *v;
327 	dev_t dev;
328 	char buff[16];
329 
330 	v = ve->var;
331 	dev = k->ki_p->ki_tdev;
332 	if (dev == NODEV)
333 		(void)printf("%*s", v->width, "??");
334 	else {
335 		(void)snprintf(buff, sizeof(buff),
336 		    "%d/%d", major(dev), minor(dev));
337 		(void)printf("%*s", v->width, buff);
338 	}
339 }
340 
341 void
342 tname(KINFO *k, VARENT *ve)
343 {
344 	VAR *v;
345 	dev_t dev;
346 	char *ttname;
347 
348 	v = ve->var;
349 	dev = k->ki_p->ki_tdev;
350 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
351 		(void)printf("%*s ", v->width - 1, "??");
352 	else {
353 		if (strncmp(ttname, "tty", 3) == 0 ||
354 		    strncmp(ttname, "cua", 3) == 0)
355 			ttname += 3;
356 		(void)printf("%*.*s%c", v->width - 1, v->width - 1, ttname,
357 		    k->ki_p->ki_kiflag & KI_CTTY ? ' ' : '-');
358 	}
359 }
360 
361 void
362 longtname(KINFO *k, VARENT *ve)
363 {
364 	VAR *v;
365 	dev_t dev;
366 	char *ttname;
367 
368 	v = ve->var;
369 	dev = k->ki_p->ki_tdev;
370 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
371 		(void)printf("%-*s", v->width, "??");
372 	else
373 		(void)printf("%-*s", v->width, ttname);
374 }
375 
376 void
377 started(KINFO *k, VARENT *ve)
378 {
379 	VAR *v;
380 	time_t then;
381 	struct tm *tp;
382 	static int use_ampm = -1;
383 	char buf[100];
384 
385 	v = ve->var;
386 	if (!k->ki_valid) {
387 		(void)printf("%-*s", v->width, "-");
388 		return;
389 	}
390 	if (use_ampm < 0)
391 		use_ampm = (*nl_langinfo(T_FMT_AMPM) != '\0');
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),
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),
399 		    use_ampm ? "%a%I%p" : "%a%H  ", tp);
400 	} else
401 		(void)strftime(buf, sizeof(buf), "%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), "%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 void
456 nwchan(KINFO *k, VARENT *ve)
457 {
458 	VAR *v;
459 
460 	v = ve->var;
461 	if (k->ki_p->ki_wchan) {
462 		(void)printf("%0*lx", v->width,
463 		    (long)k->ki_p->ki_wchan);
464 	} else
465 		(void)printf("%-*s", v->width, "-");
466 }
467 
468 void
469 mwchan(KINFO *k, VARENT *ve)
470 {
471 	VAR *v;
472 
473 	v = ve->var;
474 	if (k->ki_p->ki_wchan) {
475 		if (k->ki_p->ki_wmesg[0] != 0)
476 			(void)printf("%-*.*s", v->width, v->width,
477 			    k->ki_p->ki_wmesg);
478 		else
479 			(void)printf("%-*lx", v->width,
480 			    (long)k->ki_p->ki_wchan);
481 	} else if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
482 		if (k->ki_p->ki_lockname[0]) {
483 			(void)printf("%-*.*s", v->width, v->width,
484 			    k->ki_p->ki_lockname);
485 		} else
486 			(void)printf("%-*s", v->width, "???");
487 	} else
488 		(void)printf("%-*s", v->width, "-");
489 }
490 
491 void
492 vsize(KINFO *k, VARENT *ve)
493 {
494 	VAR *v;
495 
496 	v = ve->var;
497 	(void)printf("%*lu", v->width, (u_long)(k->ki_p->ki_size / 1024));
498 }
499 
500 void
501 cputime(KINFO *k, VARENT *ve)
502 {
503 	VAR *v;
504 	long secs;
505 	long psecs;	/* "parts" of a second. first micro, then centi */
506 	char obuff[128];
507 	static char decimal_point;
508 
509 	if (decimal_point == '\0')
510 		decimal_point = localeconv()->decimal_point[0];
511 	v = ve->var;
512 	if (k->ki_p->ki_stat == SZOMB || !k->ki_valid) {
513 		secs = 0;
514 		psecs = 0;
515 	} else {
516 		/*
517 		 * This counts time spent handling interrupts.  We could
518 		 * fix this, but it is not 100% trivial (and interrupt
519 		 * time fractions only work on the sparc anyway).	XXX
520 		 */
521 		secs = k->ki_p->ki_runtime / 1000000;
522 		psecs = k->ki_p->ki_runtime % 1000000;
523 		if (sumrusage) {
524 			secs += k->ki_p->ki_childtime.tv_sec;
525 			psecs += k->ki_p->ki_childtime.tv_usec;
526 		}
527 		/*
528 		 * round and scale to 100's
529 		 */
530 		psecs = (psecs + 5000) / 10000;
531 		secs += psecs / 100;
532 		psecs = psecs % 100;
533 	}
534 	(void)snprintf(obuff, sizeof(obuff), "%3ld:%02ld%c%02ld",
535 	    secs / 60, secs % 60, decimal_point, psecs);
536 	(void)printf("%*s", v->width, obuff);
537 }
538 
539 void
540 elapsed(KINFO *k, VARENT *ve)
541 {
542 	VAR *v;
543 	time_t val;
544 	int days, hours, mins, secs;
545 	char obuff[128];
546 
547 	v = ve->var;
548 	val = now - k->ki_p->ki_start.tv_sec;
549 	days = val / (24 * 60 * 60);
550 	val %= 24 * 60 * 60;
551 	hours = val / (60 * 60);
552 	val %= 60 * 60;
553 	mins = val / 60;
554 	secs = val % 60;
555 	if (days != 0)
556 		(void)snprintf(obuff, sizeof(obuff), "%3d-%02d:%02d:%02d",
557 		    days, hours, mins, secs);
558 	else if (hours != 0)
559 		(void)snprintf(obuff, sizeof(obuff), "%02d:%02d:%02d",
560 		    hours, mins, secs);
561 	else
562 		(void)snprintf(obuff, sizeof(obuff), "%02d:%02d", mins, secs);
563 	(void)printf("%*s", v->width, obuff);
564 }
565 
566 double
567 getpcpu(const KINFO *k)
568 {
569 	static int failure;
570 
571 	if (!nlistread)
572 		failure = donlist();
573 	if (failure)
574 		return (0.0);
575 
576 #define	fxtofl(fixpt)	((double)(fixpt) / fscale)
577 
578 	/* XXX - I don't like this */
579 	if (k->ki_p->ki_swtime == 0 || (k->ki_p->ki_sflag & PS_INMEM) == 0)
580 		return (0.0);
581 	if (rawcpu)
582 		return (100.0 * fxtofl(k->ki_p->ki_pctcpu));
583 	return (100.0 * fxtofl(k->ki_p->ki_pctcpu) /
584 		(1.0 - exp(k->ki_p->ki_swtime * log(fxtofl(ccpu)))));
585 }
586 
587 void
588 pcpu(KINFO *k, VARENT *ve)
589 {
590 	VAR *v;
591 
592 	v = ve->var;
593 	(void)printf("%*.1f", v->width, getpcpu(k));
594 }
595 
596 static double
597 getpmem(KINFO *k)
598 {
599 	static int failure;
600 	double fracmem;
601 
602 	if (!nlistread)
603 		failure = donlist();
604 	if (failure)
605 		return (0.0);
606 
607 	if ((k->ki_p->ki_sflag & PS_INMEM) == 0)
608 		return (0.0);
609 	/* XXX want pmap ptpages, segtab, etc. (per architecture) */
610 	/* XXX don't have info about shared */
611 	fracmem = ((float)k->ki_p->ki_rssize) / mempages;
612 	return (100.0 * fracmem);
613 }
614 
615 void
616 pmem(KINFO *k, VARENT *ve)
617 {
618 	VAR *v;
619 
620 	v = ve->var;
621 	(void)printf("%*.1f", v->width, getpmem(k));
622 }
623 
624 void
625 pagein(KINFO *k, VARENT *ve)
626 {
627 	VAR *v;
628 
629 	v = ve->var;
630 	(void)printf("%*ld", v->width,
631 	    k->ki_valid ? k->ki_p->ki_rusage.ru_majflt : 0);
632 }
633 
634 /* ARGSUSED */
635 void
636 maxrss(KINFO *k __unused, VARENT *ve)
637 {
638 	VAR *v;
639 
640 	v = ve->var;
641 	/* XXX not yet */
642 	(void)printf("%*s", v->width, "-");
643 }
644 
645 void
646 priorityr(KINFO *k, VARENT *ve)
647 {
648 	VAR *v;
649 	struct priority *lpri;
650 	char str[8];
651 	unsigned class, level;
652 
653 	v = ve->var;
654 	lpri = &k->ki_p->ki_pri;
655 	class = lpri->pri_class;
656 	level = lpri->pri_level;
657 	switch (class) {
658 	case PRI_REALTIME:
659 		snprintf(str, sizeof(str), "real:%u", level);
660 		break;
661 	case PRI_TIMESHARE:
662 		strncpy(str, "normal", sizeof(str));
663 		break;
664 	case PRI_IDLE:
665 		snprintf(str, sizeof(str), "idle:%u", level);
666 		break;
667 	default:
668 		snprintf(str, sizeof(str), "%u:%u", class, level);
669 		break;
670 	}
671 	str[sizeof(str) - 1] = '\0';
672 	(void)printf("%*s", v->width, str);
673 }
674 
675 /*
676  * Generic output routines.  Print fields from various prototype
677  * structures.
678  */
679 static void
680 printval(void *bp, VAR *v)
681 {
682 	static char ofmt[32] = "%";
683 	const char *fcp;
684 	char *cp;
685 
686 	cp = ofmt + 1;
687 	fcp = v->fmt;
688 	if (v->flag & LJUST)
689 		*cp++ = '-';
690 	*cp++ = '*';
691 	while ((*cp++ = *fcp++));
692 
693 #define	CHKINF127(n)	(((n) > 127) && (v->flag & INF127) ? 127 : (n))
694 
695 	switch (v->type) {
696 	case CHAR:
697 		(void)printf(ofmt, v->width, *(char *)bp);
698 		break;
699 	case UCHAR:
700 		(void)printf(ofmt, v->width, *(u_char *)bp);
701 		break;
702 	case SHORT:
703 		(void)printf(ofmt, v->width, *(short *)bp);
704 		break;
705 	case USHORT:
706 		(void)printf(ofmt, v->width, *(u_short *)bp);
707 		break;
708 	case INT:
709 		(void)printf(ofmt, v->width, *(int *)bp);
710 		break;
711 	case UINT:
712 		(void)printf(ofmt, v->width, CHKINF127(*(u_int *)bp));
713 		break;
714 	case LONG:
715 		(void)printf(ofmt, v->width, *(long *)bp);
716 		break;
717 	case ULONG:
718 		(void)printf(ofmt, v->width, *(u_long *)bp);
719 		break;
720 	case KPTR:
721 		(void)printf(ofmt, v->width, *(u_long *)bp);
722 		break;
723 	case PGTOK:
724 		(void)printf(ofmt, v->width, ps_pgtok(*(u_long *)bp));
725 		break;
726 	default:
727 		errx(1, "unknown type %d", v->type);
728 	}
729 }
730 
731 void
732 kvar(KINFO *k, VARENT *ve)
733 {
734 	VAR *v;
735 
736 	v = ve->var;
737 	printval((char *)((char *)k->ki_p + v->off), v);
738 }
739 
740 void
741 rvar(KINFO *k, VARENT *ve)
742 {
743 	VAR *v;
744 
745 	v = ve->var;
746 	if (k->ki_valid)
747 		printval((char *)((char *)(&k->ki_p->ki_rusage) + v->off), v);
748 	else
749 		(void)printf("%*s", v->width, "-");
750 }
751 
752 void
753 label(KINFO *k, VARENT *ve)
754 {
755 	char *string;
756 	VAR *v;
757 	mac_t proclabel;
758 	int error;
759 
760 	v = ve->var;
761 	string = NULL;
762 	if (mac_prepare_process_label(&proclabel) == -1) {
763 		perror("mac_prepare_process_label");
764 		goto out;
765 	}
766 	error = mac_get_pid(k->ki_p->ki_pid, proclabel);
767 	if (error == 0) {
768 		if (mac_to_text(proclabel, &string) == -1)
769 			string = NULL;
770 	}
771 	mac_free(proclabel);
772 out:
773 	if (string != NULL) {
774 		(void)printf("%-*s", v->width, string);
775 		free(string);
776 	} else
777 		(void)printf("%-*s", v->width, "");
778 	return;
779 }
780 
781 int
782 s_label(KINFO *k)
783 {
784 	char *string = NULL;
785 	mac_t proclabel;
786 	int error, size = 0;
787 
788 	if (mac_prepare_process_label(&proclabel) == -1) {
789 		perror("mac_prepare_process_label");
790 		return (0);
791 	}
792 	error = mac_get_pid(k->ki_p->ki_pid, proclabel);
793 	if (error == 0 && mac_to_text(proclabel, &string) == 0) {
794 		size = strlen(string);
795 		free(string);
796 	}
797 	mac_free(proclabel);
798 	return (size);
799 }
800