xref: /freebsd/bin/ps/print.c (revision 7660b554bc59a07be0431c17e0e33815818baa69) 
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 	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 	if (ve->next == NULL) {
113 		/* last field */
114 		if (termwidth == UNLIMITED) {
115 			(void)printf("%s", vis_args);
116 		} else {
117 			left = termwidth - (totwidth - v->width);
118 			if (left < 1) /* already wrapped, just use std width */
119 				left = v->width;
120 			for (cp = vis_args; --left >= 0 && *cp != '\0';)
121 				(void)putchar(*cp++);
122 		}
123 	} else {
124 		(void)printf("%-*.*s", v->width, v->width, vis_args);
125 	}
126 	free(vis_args);
127 }
128 
129 void
130 command(KINFO *k, VARENT *ve)
131 {
132 	VAR *v;
133 	int left;
134 	char *cp, *vis_env, *vis_args;
135 
136 	v = ve->var;
137 	if (cflag) {
138 		if (ve->next == NULL)	/* last field, don't pad */
139 			(void)printf("%s", k->ki_p->ki_comm);
140 		else
141 			(void)printf("%-*s", v->width, k->ki_p->ki_comm);
142 		return;
143 	}
144 	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
145 		errx(1, "malloc failed");
146 	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
147 	if (k->ki_env) {
148 		if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1)) == NULL)
149 			errx(1, "malloc failed");
150 		strvis(vis_env, k->ki_env, VIS_TAB | VIS_NL | VIS_NOSLASH);
151 	} else
152 		vis_env = NULL;
153 
154 	if (ve->next == NULL) {
155 		/* last field */
156 		if (termwidth == UNLIMITED) {
157 			if (vis_env)
158 				(void)printf("%s ", vis_env);
159 			(void)printf("%s", vis_args);
160 		} else {
161 			left = termwidth - (totwidth - v->width);
162 			if (left < 1) /* already wrapped, just use std width */
163 				left = v->width;
164 			if ((cp = vis_env) != NULL) {
165 				while (--left >= 0 && *cp)
166 					(void)putchar(*cp++);
167 				if (--left >= 0)
168 					putchar(' ');
169 			}
170 			for (cp = vis_args; --left >= 0 && *cp != '\0';)
171 				(void)putchar(*cp++);
172 		}
173 	} else
174 		/* XXX env? */
175 		(void)printf("%-*.*s", v->width, v->width, vis_args);
176 	free(vis_args);
177 	if (vis_env != NULL)
178 		free(vis_env);
179 }
180 
181 void
182 ucomm(KINFO *k, VARENT *ve)
183 {
184 	VAR *v;
185 
186 	v = ve->var;
187 	(void)printf("%-*s", v->width, k->ki_p->ki_comm);
188 }
189 
190 void
191 logname(KINFO *k, VARENT *ve)
192 {
193 	VAR *v;
194 	char *s;
195 
196 	v = ve->var;
197 	(void)printf("%-*s", v->width, (s = k->ki_p->ki_login, *s) ? s : "-");
198 }
199 
200 void
201 state(KINFO *k, VARENT *ve)
202 {
203 	int flag, sflag, tdflags;
204 	char *cp;
205 	VAR *v;
206 	char buf[16];
207 
208 	v = ve->var;
209 	flag = k->ki_p->ki_flag;
210 	sflag = k->ki_p->ki_sflag;
211 	tdflags = k->ki_p->ki_tdflags;	/* XXXKSE */
212 	cp = buf;
213 
214 	switch (k->ki_p->ki_stat) {
215 
216 	case SSTOP:
217 		*cp = 'T';
218 		break;
219 
220 	case SSLEEP:
221 		if (tdflags & TDF_SINTR)	/* interruptable (long) */
222 			*cp = k->ki_p->ki_slptime >= MAXSLP ? 'I' : 'S';
223 		else
224 			*cp = 'D';
225 		break;
226 
227 	case SRUN:
228 	case SIDL:
229 		*cp = 'R';
230 		break;
231 
232 	case SWAIT:
233 		*cp = 'W';
234 		break;
235 
236 	case SLOCK:
237 		*cp = 'L';
238 		break;
239 
240 	case SZOMB:
241 		*cp = 'Z';
242 		break;
243 
244 	default:
245 		*cp = '?';
246 	}
247 	cp++;
248 	if (!(sflag & PS_INMEM))
249 		*cp++ = 'W';
250 	if (k->ki_p->ki_nice < NZERO)
251 		*cp++ = '<';
252 	else if (k->ki_p->ki_nice > NZERO)
253 		*cp++ = 'N';
254 	if (flag & P_TRACED)
255 		*cp++ = 'X';
256 	if (flag & P_WEXIT && k->ki_p->ki_stat != SZOMB)
257 		*cp++ = 'E';
258 	if (flag & P_PPWAIT)
259 		*cp++ = 'V';
260 	if ((flag & P_SYSTEM) || k->ki_p->ki_lock > 0)
261 		*cp++ = 'L';
262 	if (k->ki_p->ki_kiflag & KI_SLEADER)
263 		*cp++ = 's';
264 	if ((flag & P_CONTROLT) && k->ki_p->ki_pgid == k->ki_p->ki_tpgid)
265 		*cp++ = '+';
266 	if (flag & P_JAILED)
267 		*cp++ = 'J';
268 	*cp = '\0';
269 	(void)printf("%-*s", v->width, buf);
270 }
271 
272 void
273 pri(KINFO *k, VARENT *ve)
274 {
275 	VAR *v;
276 
277 	v = ve->var;
278 	(void)printf("%*d", v->width, k->ki_p->ki_pri.pri_level - PZERO);
279 }
280 
281 void
282 uname(KINFO *k, VARENT *ve)
283 {
284 	VAR *v;
285 
286 	v = ve->var;
287 	(void)printf("%-*s", v->width, user_from_uid(k->ki_p->ki_uid, 0));
288 }
289 
290 int
291 s_uname(KINFO *k)
292 {
293 	return (strlen(user_from_uid(k->ki_p->ki_uid, 0)));
294 }
295 
296 void
297 rgroupname(KINFO *k, VARENT *ve)
298 {
299 	VAR *v;
300 
301 	v = ve->var;
302 	(void)printf("%-*s", v->width, group_from_gid(k->ki_p->ki_rgid, 0));
303 }
304 
305 int
306 s_rgroupname(KINFO *k)
307 {
308 	return (strlen(group_from_gid(k->ki_p->ki_rgid, 0)));
309 }
310 
311 void
312 runame(KINFO *k, VARENT *ve)
313 {
314 	VAR *v;
315 
316 	v = ve->var;
317 	(void)printf("%-*s", v->width, user_from_uid(k->ki_p->ki_ruid, 0));
318 }
319 
320 int
321 s_runame(KINFO *k)
322 {
323 	return (strlen(user_from_uid(k->ki_p->ki_ruid, 0)));
324 }
325 
326 
327 void
328 tdev(KINFO *k, VARENT *ve)
329 {
330 	VAR *v;
331 	dev_t dev;
332 	char buff[16];
333 
334 	v = ve->var;
335 	dev = k->ki_p->ki_tdev;
336 	if (dev == NODEV)
337 		(void)printf("%*s", v->width, "??");
338 	else {
339 		(void)snprintf(buff, sizeof(buff),
340 		    "%d/%d", major(dev), minor(dev));
341 		(void)printf("%*s", v->width, buff);
342 	}
343 }
344 
345 void
346 tname(KINFO *k, VARENT *ve)
347 {
348 	VAR *v;
349 	dev_t dev;
350 	char *ttname;
351 
352 	v = ve->var;
353 	dev = k->ki_p->ki_tdev;
354 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
355 		(void)printf("%*s ", v->width - 1, "??");
356 	else {
357 		if (strncmp(ttname, "tty", 3) == 0 ||
358 		    strncmp(ttname, "cua", 3) == 0)
359 			ttname += 3;
360 		(void)printf("%*.*s%c", v->width - 1, v->width - 1, ttname,
361 		    k->ki_p->ki_kiflag & KI_CTTY ? ' ' : '-');
362 	}
363 }
364 
365 void
366 longtname(KINFO *k, VARENT *ve)
367 {
368 	VAR *v;
369 	dev_t dev;
370 	char *ttname;
371 
372 	v = ve->var;
373 	dev = k->ki_p->ki_tdev;
374 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
375 		(void)printf("%-*s", v->width, "??");
376 	else
377 		(void)printf("%-*s", v->width, ttname);
378 }
379 
380 void
381 started(KINFO *k, VARENT *ve)
382 {
383 	VAR *v;
384 	time_t then;
385 	struct tm *tp;
386 	static int use_ampm = -1;
387 	char buf[100];
388 
389 	v = ve->var;
390 	if (!k->ki_valid) {
391 		(void)printf("%-*s", v->width, "-");
392 		return;
393 	}
394 	if (use_ampm < 0)
395 		use_ampm = (*nl_langinfo(T_FMT_AMPM) != '\0');
396 	then = k->ki_p->ki_start.tv_sec;
397 	tp = localtime(&then);
398 	if (now - k->ki_p->ki_start.tv_sec < 24 * 3600) {
399 		(void)strftime(buf, sizeof(buf),
400 		    use_ampm ? "%l:%M%p" : "%k:%M  ", tp);
401 	} else if (now - k->ki_p->ki_start.tv_sec < 7 * 86400) {
402 		(void)strftime(buf, sizeof(buf),
403 		    use_ampm ? "%a%I%p" : "%a%H  ", tp);
404 	} else
405 		(void)strftime(buf, sizeof(buf), "%e%b%y", tp);
406 	(void)printf("%-*s", v->width, buf);
407 }
408 
409 void
410 lstarted(KINFO *k, VARENT *ve)
411 {
412 	VAR *v;
413 	time_t then;
414 	char buf[100];
415 
416 	v = ve->var;
417 	if (!k->ki_valid) {
418 		(void)printf("%-*s", v->width, "-");
419 		return;
420 	}
421 	then = k->ki_p->ki_start.tv_sec;
422 	(void)strftime(buf, sizeof(buf), "%c", localtime(&then));
423 	(void)printf("%-*s", v->width, buf);
424 }
425 
426 void
427 lockname(KINFO *k, VARENT *ve)
428 {
429 	VAR *v;
430 
431 	v = ve->var;
432 	if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
433 		if (k->ki_p->ki_lockname[0] != 0)
434 			(void)printf("%-*.*s", v->width, v->width,
435 			    k->ki_p->ki_lockname);
436 		else
437 			(void)printf("%-*s", v->width, "???");
438 	} else
439 		(void)printf("%-*s", v->width, "-");
440 }
441 
442 void
443 wchan(KINFO *k, VARENT *ve)
444 {
445 	VAR *v;
446 
447 	v = ve->var;
448 	if (k->ki_p->ki_wchan) {
449 		if (k->ki_p->ki_wmesg[0] != 0)
450 			(void)printf("%-*.*s", v->width, v->width,
451 			    k->ki_p->ki_wmesg);
452 		else
453 			(void)printf("%-*lx", v->width,
454 			    (long)k->ki_p->ki_wchan);
455 	} else
456 		(void)printf("%-*s", v->width, "-");
457 }
458 
459 void
460 nwchan(KINFO *k, VARENT *ve)
461 {
462 	VAR *v;
463 
464 	v = ve->var;
465 	if (k->ki_p->ki_wchan) {
466 		(void)printf("%0*lx", v->width,
467 		    (long)k->ki_p->ki_wchan);
468 	} else
469 		(void)printf("%-*s", v->width, "-");
470 }
471 
472 void
473 mwchan(KINFO *k, VARENT *ve)
474 {
475 	VAR *v;
476 
477 	v = ve->var;
478 	if (k->ki_p->ki_wchan) {
479 		if (k->ki_p->ki_wmesg[0] != 0)
480 			(void)printf("%-*.*s", v->width, v->width,
481 			    k->ki_p->ki_wmesg);
482 		else
483 			(void)printf("%-*lx", v->width,
484 			    (long)k->ki_p->ki_wchan);
485 	} else if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
486 		if (k->ki_p->ki_lockname[0]) {
487 			(void)printf("%-*.*s", v->width, v->width,
488 			    k->ki_p->ki_lockname);
489 		} else
490 			(void)printf("%-*s", v->width, "???");
491 	} else
492 		(void)printf("%-*s", v->width, "-");
493 }
494 
495 void
496 vsize(KINFO *k, VARENT *ve)
497 {
498 	VAR *v;
499 
500 	v = ve->var;
501 	(void)printf("%*lu", v->width, (u_long)(k->ki_p->ki_size / 1024));
502 }
503 
504 void
505 cputime(KINFO *k, VARENT *ve)
506 {
507 	VAR *v;
508 	long secs;
509 	long psecs;	/* "parts" of a second. first micro, then centi */
510 	char obuff[128];
511 	static char decimal_point;
512 
513 	if (decimal_point == '\0')
514 		decimal_point = localeconv()->decimal_point[0];
515 	v = ve->var;
516 	if (k->ki_p->ki_stat == SZOMB || !k->ki_valid) {
517 		secs = 0;
518 		psecs = 0;
519 	} else {
520 		/*
521 		 * This counts time spent handling interrupts.  We could
522 		 * fix this, but it is not 100% trivial (and interrupt
523 		 * time fractions only work on the sparc anyway).	XXX
524 		 */
525 		secs = k->ki_p->ki_runtime / 1000000;
526 		psecs = k->ki_p->ki_runtime % 1000000;
527 		if (sumrusage) {
528 			secs += k->ki_p->ki_childtime.tv_sec;
529 			psecs += k->ki_p->ki_childtime.tv_usec;
530 		}
531 		/*
532 		 * round and scale to 100's
533 		 */
534 		psecs = (psecs + 5000) / 10000;
535 		secs += psecs / 100;
536 		psecs = psecs % 100;
537 	}
538 	(void)snprintf(obuff, sizeof(obuff), "%3ld:%02ld%c%02ld",
539 	    secs / 60, secs % 60, decimal_point, psecs);
540 	(void)printf("%*s", v->width, obuff);
541 }
542 
543 void
544 elapsed(KINFO *k, VARENT *ve)
545 {
546 	VAR *v;
547 	time_t val;
548 	int days, hours, mins, secs;
549 	char obuff[128];
550 
551 	v = ve->var;
552 	val = now - k->ki_p->ki_start.tv_sec;
553 	days = val / (24 * 60 * 60);
554 	val %= 24 * 60 * 60;
555 	hours = val / (60 * 60);
556 	val %= 60 * 60;
557 	mins = val / 60;
558 	secs = val % 60;
559 	if (days != 0)
560 		(void)snprintf(obuff, sizeof(obuff), "%3d-%02d:%02d:%02d",
561 		    days, hours, mins, secs);
562 	else if (hours != 0)
563 		(void)snprintf(obuff, sizeof(obuff), "%02d:%02d:%02d",
564 		    hours, mins, secs);
565 	else
566 		(void)snprintf(obuff, sizeof(obuff), "%02d:%02d", mins, secs);
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 #define	CHKINF127(n)	(((n) > 127) && (v->flag & INF127) ? 127 : (n))
698 
699 	switch (v->type) {
700 	case CHAR:
701 		(void)printf(ofmt, v->width, *(char *)bp);
702 		break;
703 	case UCHAR:
704 		(void)printf(ofmt, v->width, *(u_char *)bp);
705 		break;
706 	case SHORT:
707 		(void)printf(ofmt, v->width, *(short *)bp);
708 		break;
709 	case USHORT:
710 		(void)printf(ofmt, v->width, *(u_short *)bp);
711 		break;
712 	case INT:
713 		(void)printf(ofmt, v->width, *(int *)bp);
714 		break;
715 	case UINT:
716 		(void)printf(ofmt, v->width, CHKINF127(*(u_int *)bp));
717 		break;
718 	case LONG:
719 		(void)printf(ofmt, v->width, *(long *)bp);
720 		break;
721 	case ULONG:
722 		(void)printf(ofmt, v->width, *(u_long *)bp);
723 		break;
724 	case KPTR:
725 		(void)printf(ofmt, v->width, *(u_long *)bp);
726 		break;
727 	case PGTOK:
728 		(void)printf(ofmt, v->width, ps_pgtok(*(u_long *)bp));
729 		break;
730 	default:
731 		errx(1, "unknown type %d", v->type);
732 	}
733 }
734 
735 void
736 kvar(KINFO *k, VARENT *ve)
737 {
738 	VAR *v;
739 
740 	v = ve->var;
741 	printval((char *)((char *)k->ki_p + v->off), v);
742 }
743 
744 void
745 rvar(KINFO *k, VARENT *ve)
746 {
747 	VAR *v;
748 
749 	v = ve->var;
750 	if (k->ki_valid)
751 		printval((char *)((char *)(&k->ki_p->ki_rusage) + v->off), v);
752 	else
753 		(void)printf("%*s", v->width, "-");
754 }
755 
756 void
757 label(KINFO *k, VARENT *ve)
758 {
759 	char *string;
760 	VAR *v;
761 	mac_t proclabel;
762 	int error;
763 
764 	v = ve->var;
765 	string = NULL;
766 	if (mac_prepare_process_label(&proclabel) == -1) {
767 		perror("mac_prepare_process_label");
768 		goto out;
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 out:
777 	if (string != NULL) {
778 		(void)printf("%-*s", v->width, string);
779 		free(string);
780 	} else
781 		(void)printf("%-*s", v->width, "");
782 	return;
783 }
784 
785 int
786 s_label(KINFO *k)
787 {
788 	char *string = NULL;
789 	mac_t proclabel;
790 	int error, size = 0;
791 
792 	if (mac_prepare_process_label(&proclabel) == -1) {
793 		perror("mac_prepare_process_label");
794 		return (0);
795 	}
796 	error = mac_get_pid(k->ki_p->ki_pid, proclabel);
797 	if (error == 0 && mac_to_text(proclabel, &string) == 0) {
798 		size = strlen(string);
799 		free(string);
800 	}
801 	mac_free(proclabel);
802 	return (size);
803 }
804