xref: /freebsd/bin/ps/print.c (revision 81d1ffee089aab2652954909acbe6aadd8a1a72c) 
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 
40 #include <sys/cdefs.h>
41 __FBSDID("$FreeBSD$");
42 
43 #include <sys/param.h>
44 #include <sys/time.h>
45 #include <sys/resource.h>
46 #include <sys/proc.h>
47 #include <sys/stat.h>
48 
49 #include <sys/mac.h>
50 #include <sys/user.h>
51 #include <sys/sysctl.h>
52 
53 #include <err.h>
54 #include <grp.h>
55 #include <langinfo.h>
56 #include <locale.h>
57 #include <math.h>
58 #include <nlist.h>
59 #include <pwd.h>
60 #include <stddef.h>
61 #include <stdio.h>
62 #include <stdlib.h>
63 #include <string.h>
64 #include <unistd.h>
65 #include <vis.h>
66 
67 #include "ps.h"
68 
69 #define	ps_pgtok(a)	(((a) * getpagesize()) / 1024)
70 
71 void
72 printheader(void)
73 {
74 	VAR *v;
75 	struct varent *vent;
76 	int allempty;
77 
78 	allempty = 1;
79 	for (vent = vhead; vent; vent = vent->next)
80 		if (*vent->header != '\0') {
81 			allempty = 0;
82 			break;
83 		}
84 	if (allempty)
85 		return;
86 	for (vent = vhead; vent; vent = vent->next) {
87 		v = vent->var;
88 		if (v->flag & LJUST) {
89 			if (vent->next == NULL)	/* last one */
90 				(void)printf("%s", vent->header);
91 			else
92 				(void)printf("%-*s", v->width, vent->header);
93 		} else
94 			(void)printf("%*s", v->width, vent->header);
95 		if (vent->next != NULL)
96 			(void)putchar(' ');
97 	}
98 	(void)putchar('\n');
99 }
100 
101 void
102 arguments(KINFO *k, VARENT *ve)
103 {
104 	VAR *v;
105 	int left;
106 	char *cp, *vis_args;
107 
108 	v = ve->var;
109 
110 	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
111 		errx(1, "malloc failed");
112 	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
113 
114 	if (ve->next == NULL) {
115 		/* last field */
116 		if (termwidth == UNLIMITED) {
117 			(void)printf("%s", vis_args);
118 		} else {
119 			left = termwidth - (totwidth - v->width);
120 			if (left < 1) /* already wrapped, just use std width */
121 				left = v->width;
122 			for (cp = vis_args; --left >= 0 && *cp != '\0';)
123 				(void)putchar(*cp++);
124 		}
125 	} else {
126 		(void)printf("%-*.*s", v->width, v->width, vis_args);
127 	}
128 	free(vis_args);
129 }
130 
131 void
132 command(KINFO *k, VARENT *ve)
133 {
134 	VAR *v;
135 	int left;
136 	char *cp, *vis_env, *vis_args;
137 
138 	v = ve->var;
139 
140 	if (cflag) {
141 		if (ve->next == NULL)	/* last field, don't pad */
142 			(void)printf("%s", k->ki_p->ki_comm);
143 		else
144 			(void)printf("%-*s", v->width, k->ki_p->ki_comm);
145 		return;
146 	}
147 
148 	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
149 		errx(1, "malloc failed");
150 	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
151 	if (k->ki_env) {
152 		if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1)) == NULL)
153 			errx(1, "malloc failed");
154 		strvis(vis_env, k->ki_env, VIS_TAB | VIS_NL | VIS_NOSLASH);
155 	} else
156 		vis_env = NULL;
157 
158 	if (ve->next == NULL) {
159 		/* last field */
160 		if (termwidth == UNLIMITED) {
161 			if (vis_env)
162 				(void)printf("%s ", vis_env);
163 			(void)printf("%s", vis_args);
164 		} else {
165 			left = termwidth - (totwidth - v->width);
166 			if (left < 1) /* already wrapped, just use std width */
167 				left = v->width;
168 			if ((cp = vis_env) != NULL) {
169 				while (--left >= 0 && *cp)
170 					(void)putchar(*cp++);
171 				if (--left >= 0)
172 					putchar(' ');
173 			}
174 			for (cp = vis_args; --left >= 0 && *cp != '\0';)
175 				(void)putchar(*cp++);
176 		}
177 	} else
178 		/* XXX env? */
179 		(void)printf("%-*.*s", v->width, v->width, vis_args);
180 	free(vis_args);
181 	if (vis_env != NULL)
182 		free(vis_env);
183 }
184 
185 void
186 ucomm(KINFO *k, VARENT *ve)
187 {
188 	VAR *v;
189 
190 	v = ve->var;
191 	(void)printf("%-*s", v->width, k->ki_p->ki_comm);
192 }
193 
194 void
195 logname(KINFO *k, VARENT *ve)
196 {
197 	VAR *v;
198 	char *s;
199 
200 	v = ve->var;
201 	(void)printf("%-*s", v->width, (s = k->ki_p->ki_login, *s) ? s : "-");
202 }
203 
204 void
205 state(KINFO *k, VARENT *ve)
206 {
207 	int flag, sflag, tdflags;
208 	char *cp;
209 	VAR *v;
210 	char buf[16];
211 
212 	v = ve->var;
213 	flag = k->ki_p->ki_flag;
214 	sflag = k->ki_p->ki_sflag;
215 	tdflags = k->ki_p->ki_tdflags;	/* XXXKSE */
216 	cp = buf;
217 
218 	switch (k->ki_p->ki_stat) {
219 
220 	case SSTOP:
221 		*cp = 'T';
222 		break;
223 
224 	case SSLEEP:
225 		if (tdflags & TDF_SINTR)	/* interruptable (long) */
226 			*cp = k->ki_p->ki_slptime >= MAXSLP ? 'I' : 'S';
227 		else
228 			*cp = 'D';
229 		break;
230 
231 	case SRUN:
232 	case SIDL:
233 		*cp = 'R';
234 		break;
235 
236 	case SWAIT:
237 		*cp = 'W';
238 		break;
239 
240 	case SLOCK:
241 		*cp = 'L';
242 		break;
243 
244 	case SZOMB:
245 		*cp = 'Z';
246 		break;
247 
248 	default:
249 		*cp = '?';
250 	}
251 	cp++;
252 	if (!(sflag & PS_INMEM))
253 		*cp++ = 'W';
254 	if (k->ki_p->ki_nice < NZERO)
255 		*cp++ = '<';
256 	else if (k->ki_p->ki_nice > NZERO)
257 		*cp++ = 'N';
258 	if (flag & P_TRACED)
259 		*cp++ = 'X';
260 	if (flag & P_WEXIT && k->ki_p->ki_stat != SZOMB)
261 		*cp++ = 'E';
262 	if (flag & P_PPWAIT)
263 		*cp++ = 'V';
264 	if ((flag & P_SYSTEM) || k->ki_p->ki_lock > 0)
265 		*cp++ = 'L';
266 	if (k->ki_p->ki_kiflag & KI_SLEADER)
267 		*cp++ = 's';
268 	if ((flag & P_CONTROLT) && k->ki_p->ki_pgid == k->ki_p->ki_tpgid)
269 		*cp++ = '+';
270 	if (flag & P_JAILED)
271 		*cp++ = 'J';
272 	*cp = '\0';
273 	(void)printf("%-*s", v->width, buf);
274 }
275 
276 void
277 pri(KINFO *k, VARENT *ve)
278 {
279 	VAR *v;
280 
281 	v = ve->var;
282 	(void)printf("%*d", v->width, k->ki_p->ki_pri.pri_level - PZERO);
283 }
284 
285 void
286 uname(KINFO *k, VARENT *ve)
287 {
288 	VAR *v;
289 
290 	v = ve->var;
291 	(void)printf("%-*s", v->width, user_from_uid(k->ki_p->ki_uid, 0));
292 }
293 
294 int
295 s_uname(KINFO *k)
296 {
297 	    return (strlen(user_from_uid(k->ki_p->ki_uid, 0)));
298 }
299 
300 void
301 rgroupname(KINFO *k, VARENT *ve)
302 {
303 	VAR *v;
304 
305 	v = ve->var;
306 	(void)printf("%-*s", v->width, group_from_gid(k->ki_p->ki_rgid, 0));
307 }
308 
309 int
310 s_rgroupname(KINFO *k)
311 {
312 	return (strlen(group_from_gid(k->ki_p->ki_rgid, 0)));
313 }
314 
315 void
316 runame(KINFO *k, VARENT *ve)
317 {
318 	VAR *v;
319 
320 	v = ve->var;
321 	(void)printf("%-*s", v->width, user_from_uid(k->ki_p->ki_ruid, 0));
322 }
323 
324 int
325 s_runame(KINFO *k)
326 {
327 	    return (strlen(user_from_uid(k->ki_p->ki_ruid, 0)));
328 }
329 
330 
331 void
332 tdev(KINFO *k, VARENT *ve)
333 {
334 	VAR *v;
335 	dev_t dev;
336 	char buff[16];
337 
338 	v = ve->var;
339 	dev = k->ki_p->ki_tdev;
340 	if (dev == NODEV)
341 		(void)printf("%*s", v->width, "??");
342 	else {
343 		(void)snprintf(buff, sizeof(buff),
344 		    "%d/%d", major(dev), minor(dev));
345 		(void)printf("%*s", v->width, buff);
346 	}
347 }
348 
349 void
350 tname(KINFO *k, VARENT *ve)
351 {
352 	VAR *v;
353 	dev_t dev;
354 	char *ttname;
355 
356 	v = ve->var;
357 	dev = k->ki_p->ki_tdev;
358 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
359 		(void)printf("%*s ", v->width-1, "??");
360 	else {
361 		if (strncmp(ttname, "tty", 3) == 0 ||
362 		    strncmp(ttname, "cua", 3) == 0)
363 			ttname += 3;
364 		(void)printf("%*.*s%c", v->width-1, v->width-1, ttname,
365 			k->ki_p->ki_kiflag & KI_CTTY ? ' ' : '-');
366 	}
367 }
368 
369 void
370 longtname(KINFO *k, VARENT *ve)
371 {
372 	VAR *v;
373 	dev_t dev;
374 	char *ttname;
375 
376 	v = ve->var;
377 	dev = k->ki_p->ki_tdev;
378 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
379 		(void)printf("%-*s", v->width, "??");
380 	else
381 		(void)printf("%-*s", v->width, ttname);
382 }
383 
384 void
385 started(KINFO *k, VARENT *ve)
386 {
387 	VAR *v;
388 	time_t then;
389 	struct tm *tp;
390 	char buf[100];
391 	static int  use_ampm = -1;
392 
393 	v = ve->var;
394 	if (!k->ki_valid) {
395 		(void)printf("%-*s", v->width, "-");
396 		return;
397 	}
398 
399 	if (use_ampm < 0)
400 		use_ampm = (*nl_langinfo(T_FMT_AMPM) != '\0');
401 
402 	then = k->ki_p->ki_start.tv_sec;
403 	tp = localtime(&then);
404 	if (now - k->ki_p->ki_start.tv_sec < 24 * 3600) {
405 		(void)strftime(buf, sizeof(buf) - 1,
406 		use_ampm ? "%l:%M%p" : "%k:%M  ", tp);
407 	} else if (now - k->ki_p->ki_start.tv_sec < 7 * 86400) {
408 		(void)strftime(buf, sizeof(buf) - 1,
409 		use_ampm ? "%a%I%p" : "%a%H  ", tp);
410 	} else
411 		(void)strftime(buf, sizeof(buf) - 1, "%e%b%y", tp);
412 	(void)printf("%-*s", v->width, buf);
413 }
414 
415 void
416 lstarted(KINFO *k, VARENT *ve)
417 {
418 	VAR *v;
419 	time_t then;
420 	char buf[100];
421 
422 	v = ve->var;
423 	if (!k->ki_valid) {
424 		(void)printf("%-*s", v->width, "-");
425 		return;
426 	}
427 	then = k->ki_p->ki_start.tv_sec;
428 	(void)strftime(buf, sizeof(buf) -1, "%c", localtime(&then));
429 	(void)printf("%-*s", v->width, buf);
430 }
431 
432 void
433 lockname(KINFO *k, VARENT *ve)
434 {
435 	VAR *v;
436 
437 	v = ve->var;
438 	if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
439 		if (k->ki_p->ki_lockname[0] != 0)
440 			(void)printf("%-*.*s", v->width, v->width,
441 				      k->ki_p->ki_lockname);
442 		else
443 			(void)printf("%-*s", v->width, "???");
444 	} else
445 		(void)printf("%-*s", v->width, "-");
446 }
447 
448 void
449 wchan(KINFO *k, VARENT *ve)
450 {
451 	VAR *v;
452 
453 	v = ve->var;
454 	if (k->ki_p->ki_wchan) {
455 		if (k->ki_p->ki_wmesg[0] != 0)
456 			(void)printf("%-*.*s", v->width, v->width,
457 				      k->ki_p->ki_wmesg);
458 		else
459 			(void)printf("%-*lx", v->width,
460 			    (long)k->ki_p->ki_wchan);
461 	} else {
462 		(void)printf("%-*s", v->width, "-");
463 	}
464 }
465 
466 void
467 mwchan(KINFO *k, VARENT *ve)
468 {
469 	VAR *v;
470 
471 	v = ve->var;
472 	if (k->ki_p->ki_wchan) {
473 		if (k->ki_p->ki_wmesg[0] != 0)
474 			(void)printf("%-*.*s", v->width, v->width,
475 				      k->ki_p->ki_wmesg);
476 		else
477 			(void)printf("%-*lx", v->width,
478 			    (long)k->ki_p->ki_wchan);
479 	} else if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
480 		if (k->ki_p->ki_lockname[0]) {
481 			(void)printf("%-*.*s", v->width, v->width,
482 			    k->ki_p->ki_lockname);
483 		} else {
484 			(void)printf("%-*s", v->width, "???");
485 		}
486 	} else {
487 		(void)printf("%-*s", v->width, "-");
488 	}
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 = 0;
508 
509 	if (!decimal_point)
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),
535 	    "%3ld:%02ld%c%02ld", 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 days, hours, mins, secs;
544 	char obuff[128];
545 
546 	v = ve->var;
547 
548 	secs = now - k->ki_p->ki_start.tv_sec;
549 	days = secs/(24*60*60);
550 	secs %= (24*60*60);
551 	hours = secs/(60*60);
552 	secs %= (60*60);
553 	mins = secs/60;
554 	secs %= 60;
555 	if (days != 0) {
556 		(void)snprintf(obuff, sizeof(obuff), "%3ld-%02ld:%02ld:%02ld",
557 			(long)days, (long)hours, (long)mins, (long)secs);
558 	}
559 	else if (hours != 0) {
560 		(void)snprintf(obuff, sizeof(obuff), "%02ld:%02ld:%02ld",
561 			            (long)hours, (long)mins, (long)secs);
562 	}
563 	else {
564 		(void)snprintf(obuff, sizeof(obuff), "%02ld:%02ld",
565 			                         (long)mins, (long)secs);
566 	}
567 	(void)printf("%*s", v->width, obuff);
568 }
569 
570 double
571 getpcpu(const KINFO *k)
572 {
573 	static int failure;
574 
575 	if (!nlistread)
576 		failure = donlist();
577 	if (failure)
578 		return (0.0);
579 
580 #define	fxtofl(fixpt)	((double)(fixpt) / fscale)
581 
582 	/* XXX - I don't like this */
583 	if (k->ki_p->ki_swtime == 0 || (k->ki_p->ki_sflag & PS_INMEM) == 0)
584 		return (0.0);
585 	if (rawcpu)
586 		return (100.0 * fxtofl(k->ki_p->ki_pctcpu));
587 	return (100.0 * fxtofl(k->ki_p->ki_pctcpu) /
588 		(1.0 - exp(k->ki_p->ki_swtime * log(fxtofl(ccpu)))));
589 }
590 
591 void
592 pcpu(KINFO *k, VARENT *ve)
593 {
594 	VAR *v;
595 
596 	v = ve->var;
597 	(void)printf("%*.1f", v->width, getpcpu(k));
598 }
599 
600 static double
601 getpmem(KINFO *k)
602 {
603 	static int failure;
604 	double fracmem;
605 
606 	if (!nlistread)
607 		failure = donlist();
608 	if (failure)
609 		return (0.0);
610 
611 	if ((k->ki_p->ki_sflag & PS_INMEM) == 0)
612 		return (0.0);
613 	/* XXX want pmap ptpages, segtab, etc. (per architecture) */
614 	/* XXX don't have info about shared */
615 	fracmem = ((float)k->ki_p->ki_rssize)/mempages;
616 	return (100.0 * fracmem);
617 }
618 
619 void
620 pmem(KINFO *k, VARENT *ve)
621 {
622 	VAR *v;
623 
624 	v = ve->var;
625 	(void)printf("%*.1f", v->width, getpmem(k));
626 }
627 
628 void
629 pagein(KINFO *k, VARENT *ve)
630 {
631 	VAR *v;
632 
633 	v = ve->var;
634 	(void)printf("%*ld", v->width,
635 	    k->ki_valid ? k->ki_p->ki_rusage.ru_majflt : 0);
636 }
637 
638 /* ARGSUSED */
639 void
640 maxrss(KINFO *k __unused, VARENT *ve)
641 {
642 	VAR *v;
643 
644 	v = ve->var;
645 	/* XXX not yet */
646 	(void)printf("%*s", v->width, "-");
647 }
648 
649 void
650 priorityr(KINFO *k, VARENT *ve)
651 {
652 	VAR *v;
653 	struct priority *lpri;
654 	char str[8];
655 	unsigned class, level;
656 
657 	v = ve->var;
658 	lpri = (struct priority *) ((char *)k + v->off);
659 	class = lpri->pri_class;
660 	level = lpri->pri_level;
661 	switch (class) {
662 	case PRI_REALTIME:
663 		snprintf(str, sizeof(str), "real:%u", level);
664 		break;
665 	case PRI_TIMESHARE:
666 		strncpy(str, "normal", sizeof(str));
667 		break;
668 	case PRI_IDLE:
669 		snprintf(str, sizeof(str), "idle:%u", level);
670 		break;
671 	default:
672 		snprintf(str, sizeof(str), "%u:%u", class, level);
673 		break;
674 	}
675 	str[sizeof(str) - 1] = '\0';
676 	(void)printf("%*s", v->width, str);
677 }
678 
679 /*
680  * Generic output routines.  Print fields from various prototype
681  * structures.
682  */
683 static void
684 printval(void *bp, VAR *v)
685 {
686 	static char ofmt[32] = "%";
687 	const char *fcp;
688 	char *cp;
689 
690 	cp = ofmt + 1;
691 	fcp = v->fmt;
692 	if (v->flag & LJUST)
693 		*cp++ = '-';
694 	*cp++ = '*';
695 	while ((*cp++ = *fcp++));
696 
697 	switch (v->type) {
698 	case CHAR:
699 		(void)printf(ofmt, v->width, *(char *)bp);
700 		break;
701 	case UCHAR:
702 		(void)printf(ofmt, v->width, *(u_char *)bp);
703 		break;
704 	case SHORT:
705 		(void)printf(ofmt, v->width, *(short *)bp);
706 		break;
707 	case USHORT:
708 		(void)printf(ofmt, v->width, *(u_short *)bp);
709 		break;
710 	case INT:
711 		(void)printf(ofmt, v->width, *(int *)bp);
712 		break;
713 	case UINT:
714 		(void)printf(ofmt, v->width, *(u_int *)bp);
715 		break;
716 	case LONG:
717 		(void)printf(ofmt, v->width, *(long *)bp);
718 		break;
719 	case ULONG:
720 		(void)printf(ofmt, v->width, *(u_long *)bp);
721 		break;
722 	case KPTR:
723 		(void)printf(ofmt, v->width, *(u_long *)bp);
724 		break;
725 	case PGTOK:
726 		(void)printf(ofmt, v->width, ps_pgtok(*(u_long *)bp));
727 		break;
728 	default:
729 		errx(1, "unknown type %d", v->type);
730 	}
731 }
732 
733 void
734 kvar(KINFO *k, VARENT *ve)
735 {
736 	VAR *v;
737 
738 	v = ve->var;
739 	printval((char *)((char *)k->ki_p + v->off), v);
740 }
741 
742 void
743 rvar(KINFO *k, VARENT *ve)
744 {
745 	VAR *v;
746 
747 	v = ve->var;
748 	if (k->ki_valid)
749 		printval((char *)((char *)(&k->ki_p->ki_rusage) + v->off), v);
750 	else
751 		(void)printf("%*s", v->width, "-");
752 }
753 
754 void
755 label(KINFO *k, VARENT *ve)
756 {
757 	char *string;
758 	mac_t proclabel;
759 	int error;
760 	VAR *v;
761 
762 	v = ve->var;
763 	string = NULL;
764 
765 	if (mac_prepare_process_label(&proclabel) == -1) {
766 		perror("mac_prepare_process_label");
767 		goto out;
768 	}
769 
770 	error = mac_get_pid(k->ki_p->ki_pid, proclabel);
771 	if (error == 0) {
772 		if (mac_to_text(proclabel, &string) == -1)
773 			string = NULL;
774 	}
775 	mac_free(proclabel);
776 
777 out:
778 	if (string != NULL) {
779 		(void)printf("%-*s", v->width, string);
780 		free(string);
781 	} else
782 		(void)printf("%-*s", v->width, "");
783 	return;
784 }
785 
786 int
787 s_label(KINFO *k)
788 {
789 	char *string = NULL;
790 	mac_t proclabel;
791 	int error, size = 0;
792 
793 	if (mac_prepare_process_label(&proclabel) == -1) {
794 		perror("mac_prepare_process_label");
795 		return (0);
796 	}
797 	error = mac_get_pid(k->ki_p->ki_pid, proclabel);
798 	if (error == 0 && mac_to_text(proclabel, &string) == 0) {
799 		size = strlen(string);
800 		free(string);
801 	}
802 	mac_free(proclabel);
803 	return (size);
804 }
805