xref: /freebsd/bin/ps/print.c (revision cded07a8783dedbb0634ebde78764f935f26467d) 
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 <stdint.h>
58 #include <stdio.h>
59 #include <stdlib.h>
60 #include <string.h>
61 #include <unistd.h>
62 #include <vis.h>
63 
64 #include "ps.h"
65 
66 #define	ps_pgtok(a)	(((a) * getpagesize()) / 1024)
67 
68 void
69 printheader(void)
70 {
71 	VAR *v;
72 	struct varent *vent;
73 
74 	STAILQ_FOREACH(vent, &varlist, next_ve)
75 		if (*vent->header != '\0')
76 			break;
77 	if (!vent)
78 		return;
79 
80 	STAILQ_FOREACH(vent, &varlist, next_ve) {
81 		v = vent->var;
82 		if (v->flag & LJUST) {
83 			if (STAILQ_NEXT(vent, next_ve) == NULL)	/* last one */
84 				(void)printf("%s", vent->header);
85 			else
86 				(void)printf("%-*s", v->width, vent->header);
87 		} else
88 			(void)printf("%*s", v->width, vent->header);
89 		if (STAILQ_NEXT(vent, next_ve) != NULL)
90 			(void)putchar(' ');
91 	}
92 	(void)putchar('\n');
93 }
94 
95 void
96 arguments(KINFO *k, VARENT *ve)
97 {
98 	VAR *v;
99 	int left;
100 	char *cp, *vis_args;
101 
102 	v = ve->var;
103 	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
104 		errx(1, "malloc failed");
105 	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
106 	if (STAILQ_NEXT(ve, next_ve) == NULL) {
107 		/* last field */
108 		if (termwidth == UNLIMITED) {
109 			(void)printf("%s", vis_args);
110 		} else {
111 			left = termwidth - (totwidth - v->width);
112 			if (left < 1) /* already wrapped, just use std width */
113 				left = v->width;
114 			for (cp = vis_args; --left >= 0 && *cp != '\0';)
115 				(void)putchar(*cp++);
116 		}
117 	} else {
118 		(void)printf("%-*.*s", v->width, v->width, vis_args);
119 	}
120 	free(vis_args);
121 }
122 
123 void
124 command(KINFO *k, VARENT *ve)
125 {
126 	VAR *v;
127 	int left;
128 	char *cp, *vis_env, *vis_args;
129 
130 	v = ve->var;
131 	if (cflag) {
132 		/* If it is the last field, then don't pad */
133 		if (STAILQ_NEXT(ve, next_ve) == NULL) {
134 			if (k->ki_d.prefix)
135 				(void)printf("%s", k->ki_d.prefix);
136 			(void)printf("%s", k->ki_p->ki_comm);
137 			if (showthreads && k->ki_p->ki_numthreads > 1)
138 				(void)printf("/%s", k->ki_p->ki_ocomm);
139 		} else
140 			(void)printf("%-*s", v->width, k->ki_p->ki_comm);
141 		return;
142 	}
143 	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
144 		errx(1, "malloc failed");
145 	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
146 
147 	if (STAILQ_NEXT(ve, next_ve) == NULL) {
148 		/* last field */
149 
150 		if (k->ki_env) {
151 			if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1))
152 			    == NULL)
153 				errx(1, "malloc failed");
154 			strvis(vis_env, k->ki_env,
155 			    VIS_TAB | VIS_NL | VIS_NOSLASH);
156 		} else
157 			vis_env = NULL;
158 
159 		if (termwidth == UNLIMITED) {
160 			if (k->ki_d.prefix)
161 				(void)printf("%s", k->ki_d.prefix);
162 			if (vis_env)
163 				(void)printf("%s ", vis_env);
164 			(void)printf("%s", vis_args);
165 		} else {
166 			left = termwidth - (totwidth - v->width);
167 			if (left < 1) /* already wrapped, just use std width */
168 				left = v->width;
169 			if ((cp = k->ki_d.prefix) != NULL)
170 				while (--left >= 0 && *cp)
171 					(void)putchar(*cp++);
172 			if ((cp = vis_env) != NULL) {
173 				while (--left >= 0 && *cp)
174 					(void)putchar(*cp++);
175 				if (--left >= 0)
176 					putchar(' ');
177 			}
178 			for (cp = vis_args; --left >= 0 && *cp != '\0';)
179 				(void)putchar(*cp++);
180 		}
181 		if (vis_env != NULL)
182 			free(vis_env);
183 	} else
184 		/* ki_d.prefix & ki_env aren't shown for interim fields */
185 		(void)printf("%-*.*s", v->width, v->width, vis_args);
186 	free(vis_args);
187 }
188 
189 void
190 ucomm(KINFO *k, VARENT *ve)
191 {
192 	char tmpbuff[COMMLEN + OCOMMLEN + 2];
193 	VAR *v;
194 
195 	v = ve->var;
196 	if (STAILQ_NEXT(ve, next_ve) == NULL) {	/* last field, don't pad */
197 		if (k->ki_d.prefix)
198 			(void)printf("%s", k->ki_d.prefix);
199 		(void)printf("%s", k->ki_p->ki_comm);
200 		if (showthreads && k->ki_p->ki_numthreads > 1)
201 			printf("/%s", k->ki_p->ki_ocomm);
202 	} else {
203 		bzero(tmpbuff, sizeof(tmpbuff));
204 		if (showthreads && k->ki_p->ki_numthreads > 1)
205 			sprintf(tmpbuff, "%s/%s", k->ki_p->ki_comm,
206 			    k->ki_p->ki_ocomm);
207 		else
208 			sprintf(tmpbuff, "%s", k->ki_p->ki_comm);
209 		(void)printf("%-*s", v->width, tmpbuff);
210 	}
211 }
212 
213 void
214 tdnam(KINFO *k, VARENT *ve)
215 {
216 	VAR *v;
217 
218 	v = ve->var;
219 	if (showthreads && k->ki_p->ki_numthreads > 1)
220 		(void)printf("%-*s", v->width, k->ki_p->ki_ocomm);
221 	else
222 		(void)printf("%-*s", v->width, "      ");
223 }
224 
225 void
226 logname(KINFO *k, VARENT *ve)
227 {
228 	VAR *v;
229 	char *s;
230 
231 	v = ve->var;
232 	(void)printf("%-*s", v->width, (s = k->ki_p->ki_login, *s) ? s : "-");
233 }
234 
235 void
236 state(KINFO *k, VARENT *ve)
237 {
238 	int flag, tdflags;
239 	char *cp;
240 	VAR *v;
241 	char buf[16];
242 
243 	v = ve->var;
244 	flag = k->ki_p->ki_flag;
245 	tdflags = k->ki_p->ki_tdflags;	/* XXXKSE */
246 	cp = buf;
247 
248 	switch (k->ki_p->ki_stat) {
249 
250 	case SSTOP:
251 		*cp = 'T';
252 		break;
253 
254 	case SSLEEP:
255 		if (tdflags & TDF_SINTR)	/* interruptable (long) */
256 			*cp = k->ki_p->ki_slptime >= MAXSLP ? 'I' : 'S';
257 		else
258 			*cp = 'D';
259 		break;
260 
261 	case SRUN:
262 	case SIDL:
263 		*cp = 'R';
264 		break;
265 
266 	case SWAIT:
267 		*cp = 'W';
268 		break;
269 
270 	case SLOCK:
271 		*cp = 'L';
272 		break;
273 
274 	case SZOMB:
275 		*cp = 'Z';
276 		break;
277 
278 	default:
279 		*cp = '?';
280 	}
281 	cp++;
282 	if (!(flag & P_INMEM))
283 		*cp++ = 'W';
284 	if (k->ki_p->ki_nice < NZERO)
285 		*cp++ = '<';
286 	else if (k->ki_p->ki_nice > NZERO)
287 		*cp++ = 'N';
288 	if (flag & P_TRACED)
289 		*cp++ = 'X';
290 	if (flag & P_WEXIT && k->ki_p->ki_stat != SZOMB)
291 		*cp++ = 'E';
292 	if (flag & P_PPWAIT)
293 		*cp++ = 'V';
294 	if ((flag & P_SYSTEM) || k->ki_p->ki_lock > 0)
295 		*cp++ = 'L';
296 	if (k->ki_p->ki_kiflag & KI_SLEADER)
297 		*cp++ = 's';
298 	if ((flag & P_CONTROLT) && k->ki_p->ki_pgid == k->ki_p->ki_tpgid)
299 		*cp++ = '+';
300 	if (flag & P_JAILED)
301 		*cp++ = 'J';
302 	*cp = '\0';
303 	(void)printf("%-*s", v->width, buf);
304 }
305 
306 #define	scalepri(x)	((x) - PZERO)
307 
308 void
309 pri(KINFO *k, VARENT *ve)
310 {
311 	VAR *v;
312 
313 	v = ve->var;
314 	(void)printf("%*d", v->width, scalepri(k->ki_p->ki_pri.pri_level));
315 }
316 
317 void
318 upr(KINFO *k, VARENT *ve)
319 {
320 	VAR *v;
321 
322 	v = ve->var;
323 	(void)printf("%*d", v->width, scalepri(k->ki_p->ki_pri.pri_user));
324 }
325 #undef scalepri
326 
327 void
328 uname(KINFO *k, VARENT *ve)
329 {
330 	VAR *v;
331 
332 	v = ve->var;
333 	(void)printf("%-*s", v->width, user_from_uid(k->ki_p->ki_uid, 0));
334 }
335 
336 int
337 s_uname(KINFO *k)
338 {
339 	return (strlen(user_from_uid(k->ki_p->ki_uid, 0)));
340 }
341 
342 void
343 rgroupname(KINFO *k, VARENT *ve)
344 {
345 	VAR *v;
346 
347 	v = ve->var;
348 	(void)printf("%-*s", v->width, group_from_gid(k->ki_p->ki_rgid, 0));
349 }
350 
351 int
352 s_rgroupname(KINFO *k)
353 {
354 	return (strlen(group_from_gid(k->ki_p->ki_rgid, 0)));
355 }
356 
357 void
358 runame(KINFO *k, VARENT *ve)
359 {
360 	VAR *v;
361 
362 	v = ve->var;
363 	(void)printf("%-*s", v->width, user_from_uid(k->ki_p->ki_ruid, 0));
364 }
365 
366 int
367 s_runame(KINFO *k)
368 {
369 	return (strlen(user_from_uid(k->ki_p->ki_ruid, 0)));
370 }
371 
372 
373 void
374 tdev(KINFO *k, VARENT *ve)
375 {
376 	VAR *v;
377 	dev_t dev;
378 	char buff[16];
379 
380 	v = ve->var;
381 	dev = k->ki_p->ki_tdev;
382 	if (dev == NODEV)
383 		(void)printf("%*s", v->width, "??");
384 	else {
385 		(void)snprintf(buff, sizeof(buff),
386 		    "%d/%d", major(dev), minor(dev));
387 		(void)printf("%*s", v->width, buff);
388 	}
389 }
390 
391 void
392 tname(KINFO *k, VARENT *ve)
393 {
394 	VAR *v;
395 	dev_t dev;
396 	char *ttname;
397 
398 	v = ve->var;
399 	dev = k->ki_p->ki_tdev;
400 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
401 		(void)printf("%*s ", v->width - 1, "??");
402 	else {
403 		if (strncmp(ttname, "tty", 3) == 0 ||
404 		    strncmp(ttname, "cua", 3) == 0)
405 			ttname += 3;
406 		if (strncmp(ttname, "pts/", 4) == 0)
407 			ttname += 4;
408 		(void)printf("%*.*s%c", v->width - 1, v->width - 1, ttname,
409 		    k->ki_p->ki_kiflag & KI_CTTY ? ' ' : '-');
410 	}
411 }
412 
413 void
414 longtname(KINFO *k, VARENT *ve)
415 {
416 	VAR *v;
417 	dev_t dev;
418 	char *ttname;
419 
420 	v = ve->var;
421 	dev = k->ki_p->ki_tdev;
422 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
423 		(void)printf("%-*s", v->width, "??");
424 	else
425 		(void)printf("%-*s", v->width, ttname);
426 }
427 
428 void
429 started(KINFO *k, VARENT *ve)
430 {
431 	VAR *v;
432 	time_t then;
433 	struct tm *tp;
434 	static int use_ampm = -1;
435 	char buf[100];
436 
437 	v = ve->var;
438 	if (!k->ki_valid) {
439 		(void)printf("%-*s", v->width, "-");
440 		return;
441 	}
442 	if (use_ampm < 0)
443 		use_ampm = (*nl_langinfo(T_FMT_AMPM) != '\0');
444 	then = k->ki_p->ki_start.tv_sec;
445 	tp = localtime(&then);
446 	if (now - k->ki_p->ki_start.tv_sec < 24 * 3600) {
447 		(void)strftime(buf, sizeof(buf),
448 		    use_ampm ? "%l:%M%p" : "%k:%M  ", tp);
449 	} else if (now - k->ki_p->ki_start.tv_sec < 7 * 86400) {
450 		(void)strftime(buf, sizeof(buf),
451 		    use_ampm ? "%a%I%p" : "%a%H  ", tp);
452 	} else
453 		(void)strftime(buf, sizeof(buf), "%e%b%y", tp);
454 	(void)printf("%-*s", v->width, buf);
455 }
456 
457 void
458 lstarted(KINFO *k, VARENT *ve)
459 {
460 	VAR *v;
461 	time_t then;
462 	char buf[100];
463 
464 	v = ve->var;
465 	if (!k->ki_valid) {
466 		(void)printf("%-*s", v->width, "-");
467 		return;
468 	}
469 	then = k->ki_p->ki_start.tv_sec;
470 	(void)strftime(buf, sizeof(buf), "%c", localtime(&then));
471 	(void)printf("%-*s", v->width, buf);
472 }
473 
474 void
475 lockname(KINFO *k, VARENT *ve)
476 {
477 	VAR *v;
478 
479 	v = ve->var;
480 	if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
481 		if (k->ki_p->ki_lockname[0] != 0)
482 			(void)printf("%-*.*s", v->width, v->width,
483 			    k->ki_p->ki_lockname);
484 		else
485 			(void)printf("%-*s", v->width, "???");
486 	} else
487 		(void)printf("%-*s", v->width, "-");
488 }
489 
490 void
491 wchan(KINFO *k, VARENT *ve)
492 {
493 	VAR *v;
494 
495 	v = ve->var;
496 	if (k->ki_p->ki_wchan) {
497 		if (k->ki_p->ki_wmesg[0] != 0)
498 			(void)printf("%-*.*s", v->width, v->width,
499 			    k->ki_p->ki_wmesg);
500 		else
501 			(void)printf("%-*lx", v->width,
502 			    (long)k->ki_p->ki_wchan);
503 	} else
504 		(void)printf("%-*s", v->width, "-");
505 }
506 
507 void
508 nwchan(KINFO *k, VARENT *ve)
509 {
510 	VAR *v;
511 
512 	v = ve->var;
513 	if (k->ki_p->ki_wchan) {
514 		(void)printf("%0*lx", v->width,
515 		    (long)k->ki_p->ki_wchan);
516 	} else
517 		(void)printf("%-*s", v->width, "-");
518 }
519 
520 void
521 mwchan(KINFO *k, VARENT *ve)
522 {
523 	VAR *v;
524 
525 	v = ve->var;
526 	if (k->ki_p->ki_wchan) {
527 		if (k->ki_p->ki_wmesg[0] != 0)
528 			(void)printf("%-*.*s", v->width, v->width,
529 			    k->ki_p->ki_wmesg);
530 		else
531 			(void)printf("%-*lx", v->width,
532 			    (long)k->ki_p->ki_wchan);
533 	} else if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
534 		if (k->ki_p->ki_lockname[0]) {
535 			(void)printf("%-*.*s", v->width, v->width,
536 			    k->ki_p->ki_lockname);
537 		} else
538 			(void)printf("%-*s", v->width, "???");
539 	} else
540 		(void)printf("%-*s", v->width, "-");
541 }
542 
543 void
544 vsize(KINFO *k, VARENT *ve)
545 {
546 	VAR *v;
547 
548 	v = ve->var;
549 	(void)printf("%*lu", v->width, (u_long)(k->ki_p->ki_size / 1024));
550 }
551 
552 void
553 cputime(KINFO *k, VARENT *ve)
554 {
555 	VAR *v;
556 	long secs;
557 	long psecs;	/* "parts" of a second. first micro, then centi */
558 	char obuff[128];
559 	static char decimal_point;
560 
561 	if (decimal_point == '\0')
562 		decimal_point = localeconv()->decimal_point[0];
563 	v = ve->var;
564 	if (!k->ki_valid) {
565 		secs = 0;
566 		psecs = 0;
567 	} else {
568 		/*
569 		 * This counts time spent handling interrupts.  We could
570 		 * fix this, but it is not 100% trivial (and interrupt
571 		 * time fractions only work on the sparc anyway).	XXX
572 		 */
573 		secs = k->ki_p->ki_runtime / 1000000;
574 		psecs = k->ki_p->ki_runtime % 1000000;
575 		if (sumrusage) {
576 			secs += k->ki_p->ki_childtime.tv_sec;
577 			psecs += k->ki_p->ki_childtime.tv_usec;
578 		}
579 		/*
580 		 * round and scale to 100's
581 		 */
582 		psecs = (psecs + 5000) / 10000;
583 		secs += psecs / 100;
584 		psecs = psecs % 100;
585 	}
586 	(void)snprintf(obuff, sizeof(obuff), "%3ld:%02ld%c%02ld",
587 	    secs / 60, secs % 60, decimal_point, psecs);
588 	(void)printf("%*s", v->width, obuff);
589 }
590 
591 void
592 elapsed(KINFO *k, VARENT *ve)
593 {
594 	VAR *v;
595 	time_t val;
596 	int days, hours, mins, secs;
597 	char obuff[128];
598 
599 	v = ve->var;
600 	if (!k->ki_valid) {
601 		(void)printf("%-*s", v->width, "-");
602 		return;
603 	}
604 	val = now - k->ki_p->ki_start.tv_sec;
605 	days = val / (24 * 60 * 60);
606 	val %= 24 * 60 * 60;
607 	hours = val / (60 * 60);
608 	val %= 60 * 60;
609 	mins = val / 60;
610 	secs = val % 60;
611 	if (days != 0)
612 		(void)snprintf(obuff, sizeof(obuff), "%3d-%02d:%02d:%02d",
613 		    days, hours, mins, secs);
614 	else if (hours != 0)
615 		(void)snprintf(obuff, sizeof(obuff), "%02d:%02d:%02d",
616 		    hours, mins, secs);
617 	else
618 		(void)snprintf(obuff, sizeof(obuff), "%02d:%02d", mins, secs);
619 	(void)printf("%*s", v->width, obuff);
620 }
621 
622 void
623 elapseds(KINFO *k, VARENT *ve)
624 {
625 	VAR *v;
626 	time_t val;
627 
628 	v = ve->var;
629 	if (!k->ki_valid) {
630 		(void)printf("%-*s", v->width, "-");
631 		return;
632 	}
633 	val = now - k->ki_p->ki_start.tv_sec;
634 	(void)printf("%*jd", v->width, (intmax_t)val);
635 }
636 
637 double
638 getpcpu(const KINFO *k)
639 {
640 	static int failure;
641 
642 	if (!nlistread)
643 		failure = donlist();
644 	if (failure)
645 		return (0.0);
646 
647 #define	fxtofl(fixpt)	((double)(fixpt) / fscale)
648 
649 	/* XXX - I don't like this */
650 	if (k->ki_p->ki_swtime == 0 || (k->ki_p->ki_flag & P_INMEM) == 0)
651 		return (0.0);
652 	if (rawcpu)
653 		return (100.0 * fxtofl(k->ki_p->ki_pctcpu));
654 	return (100.0 * fxtofl(k->ki_p->ki_pctcpu) /
655 		(1.0 - exp(k->ki_p->ki_swtime * log(fxtofl(ccpu)))));
656 }
657 
658 void
659 pcpu(KINFO *k, VARENT *ve)
660 {
661 	VAR *v;
662 
663 	v = ve->var;
664 	(void)printf("%*.1f", v->width, getpcpu(k));
665 }
666 
667 static double
668 getpmem(KINFO *k)
669 {
670 	static int failure;
671 	double fracmem;
672 
673 	if (!nlistread)
674 		failure = donlist();
675 	if (failure)
676 		return (0.0);
677 
678 	if ((k->ki_p->ki_flag & P_INMEM) == 0)
679 		return (0.0);
680 	/* XXX want pmap ptpages, segtab, etc. (per architecture) */
681 	/* XXX don't have info about shared */
682 	fracmem = ((float)k->ki_p->ki_rssize) / mempages;
683 	return (100.0 * fracmem);
684 }
685 
686 void
687 pmem(KINFO *k, VARENT *ve)
688 {
689 	VAR *v;
690 
691 	v = ve->var;
692 	(void)printf("%*.1f", v->width, getpmem(k));
693 }
694 
695 void
696 pagein(KINFO *k, VARENT *ve)
697 {
698 	VAR *v;
699 
700 	v = ve->var;
701 	(void)printf("%*ld", v->width,
702 	    k->ki_valid ? k->ki_p->ki_rusage.ru_majflt : 0);
703 }
704 
705 /* ARGSUSED */
706 void
707 maxrss(KINFO *k __unused, VARENT *ve)
708 {
709 	VAR *v;
710 
711 	v = ve->var;
712 	/* XXX not yet */
713 	(void)printf("%*s", v->width, "-");
714 }
715 
716 void
717 priorityr(KINFO *k, VARENT *ve)
718 {
719 	VAR *v;
720 	struct priority *lpri;
721 	char str[8];
722 	unsigned class, level;
723 
724 	v = ve->var;
725 	lpri = &k->ki_p->ki_pri;
726 	class = lpri->pri_class;
727 	level = lpri->pri_level;
728 	switch (class) {
729 	case PRI_ITHD:
730 		snprintf(str, sizeof(str), "intr:%u", level);
731 		break;
732 	case PRI_REALTIME:
733 		snprintf(str, sizeof(str), "real:%u", level);
734 		break;
735 	case PRI_TIMESHARE:
736 		strncpy(str, "normal", sizeof(str));
737 		break;
738 	case PRI_IDLE:
739 		snprintf(str, sizeof(str), "idle:%u", level);
740 		break;
741 	default:
742 		snprintf(str, sizeof(str), "%u:%u", class, level);
743 		break;
744 	}
745 	str[sizeof(str) - 1] = '\0';
746 	(void)printf("%*s", v->width, str);
747 }
748 
749 /*
750  * Generic output routines.  Print fields from various prototype
751  * structures.
752  */
753 static void
754 printval(void *bp, VAR *v)
755 {
756 	static char ofmt[32] = "%";
757 	const char *fcp;
758 	char *cp;
759 
760 	cp = ofmt + 1;
761 	fcp = v->fmt;
762 	if (v->flag & LJUST)
763 		*cp++ = '-';
764 	*cp++ = '*';
765 	while ((*cp++ = *fcp++));
766 
767 #define	CHKINF127(n)	(((n) > 127) && (v->flag & INF127) ? 127 : (n))
768 
769 	switch (v->type) {
770 	case CHAR:
771 		(void)printf(ofmt, v->width, *(char *)bp);
772 		break;
773 	case UCHAR:
774 		(void)printf(ofmt, v->width, *(u_char *)bp);
775 		break;
776 	case SHORT:
777 		(void)printf(ofmt, v->width, *(short *)bp);
778 		break;
779 	case USHORT:
780 		(void)printf(ofmt, v->width, *(u_short *)bp);
781 		break;
782 	case INT:
783 		(void)printf(ofmt, v->width, *(int *)bp);
784 		break;
785 	case UINT:
786 		(void)printf(ofmt, v->width, CHKINF127(*(u_int *)bp));
787 		break;
788 	case LONG:
789 		(void)printf(ofmt, v->width, *(long *)bp);
790 		break;
791 	case ULONG:
792 		(void)printf(ofmt, v->width, *(u_long *)bp);
793 		break;
794 	case KPTR:
795 		(void)printf(ofmt, v->width, *(u_long *)bp);
796 		break;
797 	case PGTOK:
798 		(void)printf(ofmt, v->width, ps_pgtok(*(u_long *)bp));
799 		break;
800 	default:
801 		errx(1, "unknown type %d", v->type);
802 	}
803 }
804 
805 void
806 kvar(KINFO *k, VARENT *ve)
807 {
808 	VAR *v;
809 
810 	v = ve->var;
811 	printval((char *)((char *)k->ki_p + v->off), v);
812 }
813 
814 void
815 rvar(KINFO *k, VARENT *ve)
816 {
817 	VAR *v;
818 
819 	v = ve->var;
820 	if (k->ki_valid)
821 		printval((char *)((char *)(&k->ki_p->ki_rusage) + v->off), v);
822 	else
823 		(void)printf("%*s", v->width, "-");
824 }
825 
826 void
827 emulname(KINFO *k, VARENT *ve)
828 {
829 	VAR *v;
830 
831 	v = ve->var;
832 	printf("%-*s", v->width, *k->ki_p->ki_emul ? k->ki_p->ki_emul : "-");
833 }
834 
835 void
836 label(KINFO *k, VARENT *ve)
837 {
838 	char *string;
839 	VAR *v;
840 	mac_t proclabel;
841 	int error;
842 
843 	v = ve->var;
844 	string = NULL;
845 	if (mac_prepare_process_label(&proclabel) == -1) {
846 		warn("mac_prepare_process_label");
847 		goto out;
848 	}
849 	error = mac_get_pid(k->ki_p->ki_pid, proclabel);
850 	if (error == 0) {
851 		if (mac_to_text(proclabel, &string) == -1)
852 			string = NULL;
853 	}
854 	mac_free(proclabel);
855 out:
856 	if (string != NULL) {
857 		(void)printf("%-*s", v->width, string);
858 		free(string);
859 	} else
860 		(void)printf("%-*s", v->width, "  -");
861 	return;
862 }
863 
864 int
865 s_comm(KINFO *k)
866 {
867 	char tmpbuff[COMMLEN + OCOMMLEN + 2];
868 
869 	bzero(tmpbuff, sizeof(tmpbuff));
870 	if (showthreads && k->ki_p->ki_numthreads > 1)
871 		sprintf(tmpbuff, "%s/%s", k->ki_p->ki_comm,
872 		    k->ki_p->ki_ocomm);
873 	else
874 		sprintf(tmpbuff, "%s", k->ki_p->ki_comm);
875 	return (strlen(tmpbuff));
876 }
877 
878 int
879 s_label(KINFO *k)
880 {
881 	char *string = NULL;
882 	mac_t proclabel;
883 	int error, size = 0;
884 
885 	if (mac_prepare_process_label(&proclabel) == -1) {
886 		warn("mac_prepare_process_label");
887 		return (0);
888 	}
889 	error = mac_get_pid(k->ki_p->ki_pid, proclabel);
890 	if (error == 0 && mac_to_text(proclabel, &string) == 0) {
891 		size = strlen(string);
892 		free(string);
893 	}
894 	mac_free(proclabel);
895 	return (size);
896 }
897