xref: /freebsd/bin/ps/print.c (revision 050570efa79efcc9cf5adeb545f1a679c8dc377b) 
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 #include <sys/vmmeter.h>
49 
50 #include <err.h>
51 #include <grp.h>
52 #include <langinfo.h>
53 #include <locale.h>
54 #include <math.h>
55 #include <nlist.h>
56 #include <pwd.h>
57 #include <stddef.h>
58 #include <stdint.h>
59 #include <stdio.h>
60 #include <stdlib.h>
61 #include <string.h>
62 #include <unistd.h>
63 #include <vis.h>
64 
65 #include "ps.h"
66 
67 #define	ps_pgtok(a)	(((a) * getpagesize()) / 1024)
68 
69 void
70 printheader(void)
71 {
72 	VAR *v;
73 	struct varent *vent;
74 
75 	STAILQ_FOREACH(vent, &varlist, next_ve)
76 		if (*vent->header != '\0')
77 			break;
78 	if (!vent)
79 		return;
80 
81 	STAILQ_FOREACH(vent, &varlist, next_ve) {
82 		v = vent->var;
83 		if (v->flag & LJUST) {
84 			if (STAILQ_NEXT(vent, next_ve) == NULL)	/* last one */
85 				(void)printf("%s", vent->header);
86 			else
87 				(void)printf("%-*s", v->width, vent->header);
88 		} else
89 			(void)printf("%*s", v->width, vent->header);
90 		if (STAILQ_NEXT(vent, next_ve) != NULL)
91 			(void)putchar(' ');
92 	}
93 	(void)putchar('\n');
94 }
95 
96 void
97 arguments(KINFO *k, VARENT *ve)
98 {
99 	VAR *v;
100 	int left;
101 	char *cp, *vis_args;
102 
103 	v = ve->var;
104 	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
105 		errx(1, "malloc failed");
106 	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
107 	if (STAILQ_NEXT(ve, next_ve) == NULL) {
108 		/* last field */
109 		if (termwidth == UNLIMITED) {
110 			(void)printf("%s", vis_args);
111 		} else {
112 			left = termwidth - (totwidth - v->width);
113 			if (left < 1) /* already wrapped, just use std width */
114 				left = v->width;
115 			for (cp = vis_args; --left >= 0 && *cp != '\0';)
116 				(void)putchar(*cp++);
117 		}
118 	} else {
119 		(void)printf("%-*.*s", v->width, v->width, vis_args);
120 	}
121 	free(vis_args);
122 }
123 
124 void
125 command(KINFO *k, VARENT *ve)
126 {
127 	VAR *v;
128 	int left;
129 	char *cp, *vis_env, *vis_args;
130 
131 	v = ve->var;
132 	if (cflag) {
133 		/* If it is the last field, then don't pad */
134 		if (STAILQ_NEXT(ve, next_ve) == NULL) {
135 			if (k->ki_d.prefix)
136 				(void)printf("%s", k->ki_d.prefix);
137 			(void)printf("%s", k->ki_p->ki_comm);
138 			if (showthreads && k->ki_p->ki_numthreads > 1)
139 				(void)printf("/%s", k->ki_p->ki_ocomm);
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 
148 	if (STAILQ_NEXT(ve, next_ve) == NULL) {
149 		/* last field */
150 
151 		if (k->ki_env) {
152 			if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1))
153 			    == NULL)
154 				errx(1, "malloc failed");
155 			strvis(vis_env, k->ki_env,
156 			    VIS_TAB | VIS_NL | VIS_NOSLASH);
157 		} else
158 			vis_env = NULL;
159 
160 		if (termwidth == UNLIMITED) {
161 			if (k->ki_d.prefix)
162 				(void)printf("%s", k->ki_d.prefix);
163 			if (vis_env)
164 				(void)printf("%s ", vis_env);
165 			(void)printf("%s", vis_args);
166 		} else {
167 			left = termwidth - (totwidth - v->width);
168 			if (left < 1) /* already wrapped, just use std width */
169 				left = v->width;
170 			if ((cp = k->ki_d.prefix) != NULL)
171 				while (--left >= 0 && *cp)
172 					(void)putchar(*cp++);
173 			if ((cp = vis_env) != NULL) {
174 				while (--left >= 0 && *cp)
175 					(void)putchar(*cp++);
176 				if (--left >= 0)
177 					putchar(' ');
178 			}
179 			for (cp = vis_args; --left >= 0 && *cp != '\0';)
180 				(void)putchar(*cp++);
181 		}
182 		if (vis_env != NULL)
183 			free(vis_env);
184 	} else
185 		/* ki_d.prefix & ki_env aren't shown for interim fields */
186 		(void)printf("%-*.*s", v->width, v->width, vis_args);
187 	free(vis_args);
188 }
189 
190 void
191 ucomm(KINFO *k, VARENT *ve)
192 {
193 	char tmpbuff[COMMLEN + OCOMMLEN + 2];
194 	VAR *v;
195 
196 	v = ve->var;
197 	if (STAILQ_NEXT(ve, next_ve) == NULL) {	/* last field, don't pad */
198 		if (k->ki_d.prefix)
199 			(void)printf("%s", k->ki_d.prefix);
200 		(void)printf("%s", k->ki_p->ki_comm);
201 		if (showthreads && k->ki_p->ki_numthreads > 1)
202 			printf("/%s", k->ki_p->ki_ocomm);
203 	} else {
204 		bzero(tmpbuff, sizeof(tmpbuff));
205 		if (showthreads && k->ki_p->ki_numthreads > 1)
206 			sprintf(tmpbuff, "%s/%s", k->ki_p->ki_comm,
207 			    k->ki_p->ki_ocomm);
208 		else
209 			sprintf(tmpbuff, "%s", k->ki_p->ki_comm);
210 		(void)printf("%-*s", v->width, tmpbuff);
211 	}
212 }
213 
214 void
215 tdnam(KINFO *k, VARENT *ve)
216 {
217 	VAR *v;
218 
219 	v = ve->var;
220 	if (showthreads && k->ki_p->ki_numthreads > 1)
221 		(void)printf("%-*s", v->width, k->ki_p->ki_ocomm);
222 	else
223 		(void)printf("%-*s", v->width, "      ");
224 }
225 
226 void
227 logname(KINFO *k, VARENT *ve)
228 {
229 	VAR *v;
230 	char *s;
231 
232 	v = ve->var;
233 	(void)printf("%-*s", v->width, (s = k->ki_p->ki_login, *s) ? s : "-");
234 }
235 
236 void
237 state(KINFO *k, VARENT *ve)
238 {
239 	int flag, tdflags;
240 	char *cp;
241 	VAR *v;
242 	char buf[16];
243 
244 	v = ve->var;
245 	flag = k->ki_p->ki_flag;
246 	tdflags = k->ki_p->ki_tdflags;	/* XXXKSE */
247 	cp = buf;
248 
249 	switch (k->ki_p->ki_stat) {
250 
251 	case SSTOP:
252 		*cp = 'T';
253 		break;
254 
255 	case SSLEEP:
256 		if (tdflags & TDF_SINTR)	/* interruptable (long) */
257 			*cp = k->ki_p->ki_slptime >= MAXSLP ? 'I' : 'S';
258 		else
259 			*cp = 'D';
260 		break;
261 
262 	case SRUN:
263 	case SIDL:
264 		*cp = 'R';
265 		break;
266 
267 	case SWAIT:
268 		*cp = 'W';
269 		break;
270 
271 	case SLOCK:
272 		*cp = 'L';
273 		break;
274 
275 	case SZOMB:
276 		*cp = 'Z';
277 		break;
278 
279 	default:
280 		*cp = '?';
281 	}
282 	cp++;
283 	if (!(flag & P_INMEM))
284 		*cp++ = 'W';
285 	if (k->ki_p->ki_nice < NZERO)
286 		*cp++ = '<';
287 	else if (k->ki_p->ki_nice > NZERO)
288 		*cp++ = 'N';
289 	if (flag & P_TRACED)
290 		*cp++ = 'X';
291 	if (flag & P_WEXIT && k->ki_p->ki_stat != SZOMB)
292 		*cp++ = 'E';
293 	if (flag & P_PPWAIT)
294 		*cp++ = 'V';
295 	if ((flag & P_SYSTEM) || k->ki_p->ki_lock > 0)
296 		*cp++ = 'L';
297 	if (k->ki_p->ki_kiflag & KI_SLEADER)
298 		*cp++ = 's';
299 	if ((flag & P_CONTROLT) && k->ki_p->ki_pgid == k->ki_p->ki_tpgid)
300 		*cp++ = '+';
301 	if (flag & P_JAILED)
302 		*cp++ = 'J';
303 	*cp = '\0';
304 	(void)printf("%-*s", v->width, buf);
305 }
306 
307 #define	scalepri(x)	((x) - PZERO)
308 
309 void
310 pri(KINFO *k, VARENT *ve)
311 {
312 	VAR *v;
313 
314 	v = ve->var;
315 	(void)printf("%*d", v->width, scalepri(k->ki_p->ki_pri.pri_level));
316 }
317 
318 void
319 upr(KINFO *k, VARENT *ve)
320 {
321 	VAR *v;
322 
323 	v = ve->var;
324 	(void)printf("%*d", v->width, scalepri(k->ki_p->ki_pri.pri_user));
325 }
326 #undef scalepri
327 
328 void
329 uname(KINFO *k, VARENT *ve)
330 {
331 	VAR *v;
332 
333 	v = ve->var;
334 	(void)printf("%-*s", v->width, user_from_uid(k->ki_p->ki_uid, 0));
335 }
336 
337 int
338 s_uname(KINFO *k)
339 {
340 	return (strlen(user_from_uid(k->ki_p->ki_uid, 0)));
341 }
342 
343 void
344 rgroupname(KINFO *k, VARENT *ve)
345 {
346 	VAR *v;
347 
348 	v = ve->var;
349 	(void)printf("%-*s", v->width, group_from_gid(k->ki_p->ki_rgid, 0));
350 }
351 
352 int
353 s_rgroupname(KINFO *k)
354 {
355 	return (strlen(group_from_gid(k->ki_p->ki_rgid, 0)));
356 }
357 
358 void
359 runame(KINFO *k, VARENT *ve)
360 {
361 	VAR *v;
362 
363 	v = ve->var;
364 	(void)printf("%-*s", v->width, user_from_uid(k->ki_p->ki_ruid, 0));
365 }
366 
367 int
368 s_runame(KINFO *k)
369 {
370 	return (strlen(user_from_uid(k->ki_p->ki_ruid, 0)));
371 }
372 
373 
374 void
375 tdev(KINFO *k, VARENT *ve)
376 {
377 	VAR *v;
378 	dev_t dev;
379 	char buff[16];
380 
381 	v = ve->var;
382 	dev = k->ki_p->ki_tdev;
383 	if (dev == NODEV)
384 		(void)printf("%*s", v->width, "??");
385 	else {
386 		(void)snprintf(buff, sizeof(buff),
387 		    "%d/%d", major(dev), minor(dev));
388 		(void)printf("%*s", v->width, buff);
389 	}
390 }
391 
392 void
393 tname(KINFO *k, VARENT *ve)
394 {
395 	VAR *v;
396 	dev_t dev;
397 	char *ttname;
398 
399 	v = ve->var;
400 	dev = k->ki_p->ki_tdev;
401 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
402 		(void)printf("%*s ", v->width - 1, "??");
403 	else {
404 		if (strncmp(ttname, "tty", 3) == 0 ||
405 		    strncmp(ttname, "cua", 3) == 0)
406 			ttname += 3;
407 		if (strncmp(ttname, "pts/", 4) == 0)
408 			ttname += 4;
409 		(void)printf("%*.*s%c", v->width - 1, v->width - 1, ttname,
410 		    k->ki_p->ki_kiflag & KI_CTTY ? ' ' : '-');
411 	}
412 }
413 
414 void
415 longtname(KINFO *k, VARENT *ve)
416 {
417 	VAR *v;
418 	dev_t dev;
419 	char *ttname;
420 
421 	v = ve->var;
422 	dev = k->ki_p->ki_tdev;
423 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
424 		(void)printf("%-*s", v->width, "??");
425 	else
426 		(void)printf("%-*s", v->width, ttname);
427 }
428 
429 void
430 started(KINFO *k, VARENT *ve)
431 {
432 	VAR *v;
433 	time_t then;
434 	struct tm *tp;
435 	static int use_ampm = -1;
436 	char buf[100];
437 
438 	v = ve->var;
439 	if (!k->ki_valid) {
440 		(void)printf("%-*s", v->width, "-");
441 		return;
442 	}
443 	if (use_ampm < 0)
444 		use_ampm = (*nl_langinfo(T_FMT_AMPM) != '\0');
445 	then = k->ki_p->ki_start.tv_sec;
446 	tp = localtime(&then);
447 	if (now - k->ki_p->ki_start.tv_sec < 24 * 3600) {
448 		(void)strftime(buf, sizeof(buf),
449 		    use_ampm ? "%l:%M%p" : "%k:%M  ", tp);
450 	} else if (now - k->ki_p->ki_start.tv_sec < 7 * 86400) {
451 		(void)strftime(buf, sizeof(buf),
452 		    use_ampm ? "%a%I%p" : "%a%H  ", tp);
453 	} else
454 		(void)strftime(buf, sizeof(buf), "%e%b%y", tp);
455 	(void)printf("%-*s", v->width, buf);
456 }
457 
458 void
459 lstarted(KINFO *k, VARENT *ve)
460 {
461 	VAR *v;
462 	time_t then;
463 	char buf[100];
464 
465 	v = ve->var;
466 	if (!k->ki_valid) {
467 		(void)printf("%-*s", v->width, "-");
468 		return;
469 	}
470 	then = k->ki_p->ki_start.tv_sec;
471 	(void)strftime(buf, sizeof(buf), "%c", localtime(&then));
472 	(void)printf("%-*s", v->width, buf);
473 }
474 
475 void
476 lockname(KINFO *k, VARENT *ve)
477 {
478 	VAR *v;
479 
480 	v = ve->var;
481 	if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
482 		if (k->ki_p->ki_lockname[0] != 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 wchan(KINFO *k, VARENT *ve)
493 {
494 	VAR *v;
495 
496 	v = ve->var;
497 	if (k->ki_p->ki_wchan) {
498 		if (k->ki_p->ki_wmesg[0] != 0)
499 			(void)printf("%-*.*s", v->width, v->width,
500 			    k->ki_p->ki_wmesg);
501 		else
502 			(void)printf("%-*lx", v->width,
503 			    (long)k->ki_p->ki_wchan);
504 	} else
505 		(void)printf("%-*s", v->width, "-");
506 }
507 
508 void
509 nwchan(KINFO *k, VARENT *ve)
510 {
511 	VAR *v;
512 
513 	v = ve->var;
514 	if (k->ki_p->ki_wchan) {
515 		(void)printf("%0*lx", v->width,
516 		    (long)k->ki_p->ki_wchan);
517 	} else
518 		(void)printf("%-*s", v->width, "-");
519 }
520 
521 void
522 mwchan(KINFO *k, VARENT *ve)
523 {
524 	VAR *v;
525 
526 	v = ve->var;
527 	if (k->ki_p->ki_wchan) {
528 		if (k->ki_p->ki_wmesg[0] != 0)
529 			(void)printf("%-*.*s", v->width, v->width,
530 			    k->ki_p->ki_wmesg);
531 		else
532 			(void)printf("%-*lx", v->width,
533 			    (long)k->ki_p->ki_wchan);
534 	} else if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
535 		if (k->ki_p->ki_lockname[0]) {
536 			(void)printf("%-*.*s", v->width, v->width,
537 			    k->ki_p->ki_lockname);
538 		} else
539 			(void)printf("%-*s", v->width, "???");
540 	} else
541 		(void)printf("%-*s", v->width, "-");
542 }
543 
544 void
545 vsize(KINFO *k, VARENT *ve)
546 {
547 	VAR *v;
548 
549 	v = ve->var;
550 	(void)printf("%*lu", v->width, (u_long)(k->ki_p->ki_size / 1024));
551 }
552 
553 void
554 cputime(KINFO *k, VARENT *ve)
555 {
556 	VAR *v;
557 	long secs;
558 	long psecs;	/* "parts" of a second. first micro, then centi */
559 	char obuff[128];
560 	static char decimal_point;
561 
562 	if (decimal_point == '\0')
563 		decimal_point = localeconv()->decimal_point[0];
564 	v = ve->var;
565 	if (!k->ki_valid) {
566 		secs = 0;
567 		psecs = 0;
568 	} else {
569 		/*
570 		 * This counts time spent handling interrupts.  We could
571 		 * fix this, but it is not 100% trivial (and interrupt
572 		 * time fractions only work on the sparc anyway).	XXX
573 		 */
574 		secs = k->ki_p->ki_runtime / 1000000;
575 		psecs = k->ki_p->ki_runtime % 1000000;
576 		if (sumrusage) {
577 			secs += k->ki_p->ki_childtime.tv_sec;
578 			psecs += k->ki_p->ki_childtime.tv_usec;
579 		}
580 		/*
581 		 * round and scale to 100's
582 		 */
583 		psecs = (psecs + 5000) / 10000;
584 		secs += psecs / 100;
585 		psecs = psecs % 100;
586 	}
587 	(void)snprintf(obuff, sizeof(obuff), "%3ld:%02ld%c%02ld",
588 	    secs / 60, secs % 60, decimal_point, psecs);
589 	(void)printf("%*s", v->width, obuff);
590 }
591 
592 void
593 elapsed(KINFO *k, VARENT *ve)
594 {
595 	VAR *v;
596 	time_t val;
597 	int days, hours, mins, secs;
598 	char obuff[128];
599 
600 	v = ve->var;
601 	if (!k->ki_valid) {
602 		(void)printf("%-*s", v->width, "-");
603 		return;
604 	}
605 	val = now - k->ki_p->ki_start.tv_sec;
606 	days = val / (24 * 60 * 60);
607 	val %= 24 * 60 * 60;
608 	hours = val / (60 * 60);
609 	val %= 60 * 60;
610 	mins = val / 60;
611 	secs = val % 60;
612 	if (days != 0)
613 		(void)snprintf(obuff, sizeof(obuff), "%3d-%02d:%02d:%02d",
614 		    days, hours, mins, secs);
615 	else if (hours != 0)
616 		(void)snprintf(obuff, sizeof(obuff), "%02d:%02d:%02d",
617 		    hours, mins, secs);
618 	else
619 		(void)snprintf(obuff, sizeof(obuff), "%02d:%02d", mins, secs);
620 	(void)printf("%*s", v->width, obuff);
621 }
622 
623 void
624 elapseds(KINFO *k, VARENT *ve)
625 {
626 	VAR *v;
627 	time_t val;
628 
629 	v = ve->var;
630 	if (!k->ki_valid) {
631 		(void)printf("%-*s", v->width, "-");
632 		return;
633 	}
634 	val = now - k->ki_p->ki_start.tv_sec;
635 	(void)printf("%*jd", v->width, (intmax_t)val);
636 }
637 
638 double
639 getpcpu(const KINFO *k)
640 {
641 	static int failure;
642 
643 	if (!nlistread)
644 		failure = donlist();
645 	if (failure)
646 		return (0.0);
647 
648 #define	fxtofl(fixpt)	((double)(fixpt) / fscale)
649 
650 	/* XXX - I don't like this */
651 	if (k->ki_p->ki_swtime == 0 || (k->ki_p->ki_flag & P_INMEM) == 0)
652 		return (0.0);
653 	if (rawcpu)
654 		return (100.0 * fxtofl(k->ki_p->ki_pctcpu));
655 	return (100.0 * fxtofl(k->ki_p->ki_pctcpu) /
656 		(1.0 - exp(k->ki_p->ki_swtime * log(fxtofl(ccpu)))));
657 }
658 
659 void
660 pcpu(KINFO *k, VARENT *ve)
661 {
662 	VAR *v;
663 
664 	v = ve->var;
665 	(void)printf("%*.1f", v->width, getpcpu(k));
666 }
667 
668 static double
669 getpmem(KINFO *k)
670 {
671 	static int failure;
672 	double fracmem;
673 
674 	if (!nlistread)
675 		failure = donlist();
676 	if (failure)
677 		return (0.0);
678 
679 	if ((k->ki_p->ki_flag & P_INMEM) == 0)
680 		return (0.0);
681 	/* XXX want pmap ptpages, segtab, etc. (per architecture) */
682 	/* XXX don't have info about shared */
683 	fracmem = ((float)k->ki_p->ki_rssize) / mempages;
684 	return (100.0 * fracmem);
685 }
686 
687 void
688 pmem(KINFO *k, VARENT *ve)
689 {
690 	VAR *v;
691 
692 	v = ve->var;
693 	(void)printf("%*.1f", v->width, getpmem(k));
694 }
695 
696 void
697 pagein(KINFO *k, VARENT *ve)
698 {
699 	VAR *v;
700 
701 	v = ve->var;
702 	(void)printf("%*ld", v->width,
703 	    k->ki_valid ? k->ki_p->ki_rusage.ru_majflt : 0);
704 }
705 
706 /* ARGSUSED */
707 void
708 maxrss(KINFO *k __unused, VARENT *ve)
709 {
710 	VAR *v;
711 
712 	v = ve->var;
713 	/* XXX not yet */
714 	(void)printf("%*s", v->width, "-");
715 }
716 
717 void
718 priorityr(KINFO *k, VARENT *ve)
719 {
720 	VAR *v;
721 	struct priority *lpri;
722 	char str[8];
723 	unsigned class, level;
724 
725 	v = ve->var;
726 	lpri = &k->ki_p->ki_pri;
727 	class = lpri->pri_class;
728 	level = lpri->pri_level;
729 	switch (class) {
730 	case PRI_ITHD:
731 		snprintf(str, sizeof(str), "intr:%u", level);
732 		break;
733 	case PRI_REALTIME:
734 		snprintf(str, sizeof(str), "real:%u", level);
735 		break;
736 	case PRI_TIMESHARE:
737 		strncpy(str, "normal", sizeof(str));
738 		break;
739 	case PRI_IDLE:
740 		snprintf(str, sizeof(str), "idle:%u", level);
741 		break;
742 	default:
743 		snprintf(str, sizeof(str), "%u:%u", class, level);
744 		break;
745 	}
746 	str[sizeof(str) - 1] = '\0';
747 	(void)printf("%*s", v->width, str);
748 }
749 
750 /*
751  * Generic output routines.  Print fields from various prototype
752  * structures.
753  */
754 static void
755 printval(void *bp, VAR *v)
756 {
757 	static char ofmt[32] = "%";
758 	const char *fcp;
759 	char *cp;
760 
761 	cp = ofmt + 1;
762 	fcp = v->fmt;
763 	if (v->flag & LJUST)
764 		*cp++ = '-';
765 	*cp++ = '*';
766 	while ((*cp++ = *fcp++));
767 
768 #define	CHKINF127(n)	(((n) > 127) && (v->flag & INF127) ? 127 : (n))
769 
770 	switch (v->type) {
771 	case CHAR:
772 		(void)printf(ofmt, v->width, *(char *)bp);
773 		break;
774 	case UCHAR:
775 		(void)printf(ofmt, v->width, *(u_char *)bp);
776 		break;
777 	case SHORT:
778 		(void)printf(ofmt, v->width, *(short *)bp);
779 		break;
780 	case USHORT:
781 		(void)printf(ofmt, v->width, *(u_short *)bp);
782 		break;
783 	case INT:
784 		(void)printf(ofmt, v->width, *(int *)bp);
785 		break;
786 	case UINT:
787 		(void)printf(ofmt, v->width, CHKINF127(*(u_int *)bp));
788 		break;
789 	case LONG:
790 		(void)printf(ofmt, v->width, *(long *)bp);
791 		break;
792 	case ULONG:
793 		(void)printf(ofmt, v->width, *(u_long *)bp);
794 		break;
795 	case KPTR:
796 		(void)printf(ofmt, v->width, *(u_long *)bp);
797 		break;
798 	case PGTOK:
799 		(void)printf(ofmt, v->width, ps_pgtok(*(u_long *)bp));
800 		break;
801 	default:
802 		errx(1, "unknown type %d", v->type);
803 	}
804 }
805 
806 void
807 kvar(KINFO *k, VARENT *ve)
808 {
809 	VAR *v;
810 
811 	v = ve->var;
812 	printval((char *)((char *)k->ki_p + v->off), v);
813 }
814 
815 void
816 rvar(KINFO *k, VARENT *ve)
817 {
818 	VAR *v;
819 
820 	v = ve->var;
821 	if (k->ki_valid)
822 		printval((char *)((char *)(&k->ki_p->ki_rusage) + v->off), v);
823 	else
824 		(void)printf("%*s", v->width, "-");
825 }
826 
827 void
828 emulname(KINFO *k, VARENT *ve)
829 {
830 	VAR *v;
831 
832 	v = ve->var;
833 	printf("%-*s", v->width, *k->ki_p->ki_emul ? k->ki_p->ki_emul : "-");
834 }
835 
836 void
837 label(KINFO *k, VARENT *ve)
838 {
839 	char *string;
840 	VAR *v;
841 	mac_t proclabel;
842 	int error;
843 
844 	v = ve->var;
845 	string = NULL;
846 	if (mac_prepare_process_label(&proclabel) == -1) {
847 		warn("mac_prepare_process_label");
848 		goto out;
849 	}
850 	error = mac_get_pid(k->ki_p->ki_pid, proclabel);
851 	if (error == 0) {
852 		if (mac_to_text(proclabel, &string) == -1)
853 			string = NULL;
854 	}
855 	mac_free(proclabel);
856 out:
857 	if (string != NULL) {
858 		(void)printf("%-*s", v->width, string);
859 		free(string);
860 	} else
861 		(void)printf("%-*s", v->width, "  -");
862 	return;
863 }
864 
865 int
866 s_comm(KINFO *k)
867 {
868 	char tmpbuff[COMMLEN + OCOMMLEN + 2];
869 
870 	bzero(tmpbuff, sizeof(tmpbuff));
871 	if (showthreads && k->ki_p->ki_numthreads > 1)
872 		sprintf(tmpbuff, "%s/%s", k->ki_p->ki_comm,
873 		    k->ki_p->ki_ocomm);
874 	else
875 		sprintf(tmpbuff, "%s", k->ki_p->ki_comm);
876 	return (strlen(tmpbuff));
877 }
878 
879 int
880 s_label(KINFO *k)
881 {
882 	char *string = NULL;
883 	mac_t proclabel;
884 	int error, size = 0;
885 
886 	if (mac_prepare_process_label(&proclabel) == -1) {
887 		warn("mac_prepare_process_label");
888 		return (0);
889 	}
890 	error = mac_get_pid(k->ki_p->ki_pid, proclabel);
891 	if (error == 0 && mac_to_text(proclabel, &string) == 0) {
892 		size = strlen(string);
893 		free(string);
894 	}
895 	mac_free(proclabel);
896 	return (size);
897 }
898