xref: /freebsd/bin/ps/print.c (revision 941e286383714ef25f1ffe9ba6ae5040afdd7060) 
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 
73 	STAILQ_FOREACH(vent, &varlist, next_ve)
74 		if (*vent->header != '\0')
75 			break;
76 	if (!vent)
77 		return;
78 
79 	STAILQ_FOREACH(vent, &varlist, next_ve) {
80 		v = vent->var;
81 		if (v->flag & LJUST) {
82 			if (STAILQ_NEXT(vent, next_ve) == NULL)	/* last one */
83 				(void)printf("%s", vent->header);
84 			else
85 				(void)printf("%-*s", v->width, vent->header);
86 		} else
87 			(void)printf("%*s", v->width, vent->header);
88 		if (STAILQ_NEXT(vent, next_ve) != NULL)
89 			(void)putchar(' ');
90 	}
91 	(void)putchar('\n');
92 }
93 
94 void
95 arguments(KINFO *k, VARENT *ve)
96 {
97 	VAR *v;
98 	int left;
99 	char *cp, *vis_args;
100 
101 	v = ve->var;
102 	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
103 		errx(1, "malloc failed");
104 	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
105 	if (STAILQ_NEXT(ve, next_ve) == NULL) {
106 		/* last field */
107 		if (termwidth == UNLIMITED) {
108 			(void)printf("%s", vis_args);
109 		} else {
110 			left = termwidth - (totwidth - v->width);
111 			if (left < 1) /* already wrapped, just use std width */
112 				left = v->width;
113 			for (cp = vis_args; --left >= 0 && *cp != '\0';)
114 				(void)putchar(*cp++);
115 		}
116 	} else {
117 		(void)printf("%-*.*s", v->width, v->width, vis_args);
118 	}
119 	free(vis_args);
120 }
121 
122 void
123 command(KINFO *k, VARENT *ve)
124 {
125 	VAR *v;
126 	int left;
127 	char *cp, *vis_env, *vis_args;
128 
129 	v = ve->var;
130 	if (cflag) {
131 		/* If it is the last field, then don't pad */
132 		if (STAILQ_NEXT(ve, next_ve) == NULL) {
133 			if (k->ki_d.prefix)
134 				(void)printf("%s", k->ki_d.prefix);
135 			(void)printf("%s", k->ki_p->ki_comm);
136 			if (showthreads && k->ki_p->ki_numthreads > 1)
137 				(void)printf("/%s", k->ki_p->ki_ocomm);
138 		} else
139 			(void)printf("%-*s", v->width, k->ki_p->ki_comm);
140 		return;
141 	}
142 	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
143 		errx(1, "malloc failed");
144 	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
145 
146 	if (STAILQ_NEXT(ve, next_ve) == NULL) {
147 		/* last field */
148 
149 		if (k->ki_env) {
150 			if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1))
151 			    == NULL)
152 				errx(1, "malloc failed");
153 			strvis(vis_env, k->ki_env,
154 			    VIS_TAB | VIS_NL | VIS_NOSLASH);
155 		} else
156 			vis_env = NULL;
157 
158 		if (termwidth == UNLIMITED) {
159 			if (k->ki_d.prefix)
160 				(void)printf("%s", k->ki_d.prefix);
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 = k->ki_d.prefix) != NULL)
169 				while (--left >= 0 && *cp)
170 					(void)putchar(*cp++);
171 			if ((cp = vis_env) != NULL) {
172 				while (--left >= 0 && *cp)
173 					(void)putchar(*cp++);
174 				if (--left >= 0)
175 					putchar(' ');
176 			}
177 			for (cp = vis_args; --left >= 0 && *cp != '\0';)
178 				(void)putchar(*cp++);
179 		}
180 		if (vis_env != NULL)
181 			free(vis_env);
182 	} else
183 		/* ki_d.prefix & ki_env aren't shown for interim fields */
184 		(void)printf("%-*.*s", v->width, v->width, vis_args);
185 	free(vis_args);
186 }
187 
188 void
189 ucomm(KINFO *k, VARENT *ve)
190 {
191 	char tmpbuff[COMMLEN + OCOMMLEN + 2];
192 	VAR *v;
193 
194 	v = ve->var;
195 	if (STAILQ_NEXT(ve, next_ve) == NULL) {	/* last field, don't pad */
196 		if (k->ki_d.prefix)
197 			(void)printf("%s", k->ki_d.prefix);
198 		(void)printf("%s", k->ki_p->ki_comm);
199 		if (showthreads && k->ki_p->ki_numthreads > 1)
200 			printf("/%s", k->ki_p->ki_ocomm);
201 	} else {
202 		bzero(tmpbuff, sizeof(tmpbuff));
203 		if (showthreads && k->ki_p->ki_numthreads > 1)
204 			sprintf(tmpbuff, "%s/%s", k->ki_p->ki_comm,
205 			    k->ki_p->ki_ocomm);
206 		else
207 			sprintf(tmpbuff, "%s", k->ki_p->ki_comm);
208 		(void)printf("%-*s", v->width, tmpbuff);
209 	}
210 }
211 
212 void
213 tdnam(KINFO *k, VARENT *ve)
214 {
215 	VAR *v;
216 
217 	v = ve->var;
218 	if (showthreads && k->ki_p->ki_numthreads > 1)
219 		(void)printf("%-*s", v->width, k->ki_p->ki_ocomm);
220 	else
221 		(void)printf("%-*s", v->width, "      ");
222 }
223 
224 void
225 logname(KINFO *k, VARENT *ve)
226 {
227 	VAR *v;
228 	char *s;
229 
230 	v = ve->var;
231 	(void)printf("%-*s", v->width, (s = k->ki_p->ki_login, *s) ? s : "-");
232 }
233 
234 void
235 state(KINFO *k, VARENT *ve)
236 {
237 	int flag, tdflags;
238 	char *cp;
239 	VAR *v;
240 	char buf[16];
241 
242 	v = ve->var;
243 	flag = k->ki_p->ki_flag;
244 	tdflags = k->ki_p->ki_tdflags;	/* XXXKSE */
245 	cp = buf;
246 
247 	switch (k->ki_p->ki_stat) {
248 
249 	case SSTOP:
250 		*cp = 'T';
251 		break;
252 
253 	case SSLEEP:
254 		if (tdflags & TDF_SINTR)	/* interruptable (long) */
255 			*cp = k->ki_p->ki_slptime >= MAXSLP ? 'I' : 'S';
256 		else
257 			*cp = 'D';
258 		break;
259 
260 	case SRUN:
261 	case SIDL:
262 		*cp = 'R';
263 		break;
264 
265 	case SWAIT:
266 		*cp = 'W';
267 		break;
268 
269 	case SLOCK:
270 		*cp = 'L';
271 		break;
272 
273 	case SZOMB:
274 		*cp = 'Z';
275 		break;
276 
277 	default:
278 		*cp = '?';
279 	}
280 	cp++;
281 	if (!(flag & P_INMEM))
282 		*cp++ = 'W';
283 	if (k->ki_p->ki_nice < NZERO)
284 		*cp++ = '<';
285 	else if (k->ki_p->ki_nice > NZERO)
286 		*cp++ = 'N';
287 	if (flag & P_TRACED)
288 		*cp++ = 'X';
289 	if (flag & P_WEXIT && k->ki_p->ki_stat != SZOMB)
290 		*cp++ = 'E';
291 	if (flag & P_PPWAIT)
292 		*cp++ = 'V';
293 	if ((flag & P_SYSTEM) || k->ki_p->ki_lock > 0)
294 		*cp++ = 'L';
295 	if (k->ki_p->ki_kiflag & KI_SLEADER)
296 		*cp++ = 's';
297 	if ((flag & P_CONTROLT) && k->ki_p->ki_pgid == k->ki_p->ki_tpgid)
298 		*cp++ = '+';
299 	if (flag & P_JAILED)
300 		*cp++ = 'J';
301 	*cp = '\0';
302 	(void)printf("%-*s", v->width, buf);
303 }
304 
305 #define	scalepri(x)	((x) - PZERO)
306 
307 void
308 pri(KINFO *k, VARENT *ve)
309 {
310 	VAR *v;
311 
312 	v = ve->var;
313 	(void)printf("%*d", v->width, scalepri(k->ki_p->ki_pri.pri_level));
314 }
315 
316 void
317 upr(KINFO *k, VARENT *ve)
318 {
319 	VAR *v;
320 
321 	v = ve->var;
322 	(void)printf("%*d", v->width, scalepri(k->ki_p->ki_pri.pri_user));
323 }
324 #undef scalepri
325 
326 void
327 uname(KINFO *k, VARENT *ve)
328 {
329 	VAR *v;
330 
331 	v = ve->var;
332 	(void)printf("%-*s", v->width, user_from_uid(k->ki_p->ki_uid, 0));
333 }
334 
335 int
336 s_uname(KINFO *k)
337 {
338 	return (strlen(user_from_uid(k->ki_p->ki_uid, 0)));
339 }
340 
341 void
342 rgroupname(KINFO *k, VARENT *ve)
343 {
344 	VAR *v;
345 
346 	v = ve->var;
347 	(void)printf("%-*s", v->width, group_from_gid(k->ki_p->ki_rgid, 0));
348 }
349 
350 int
351 s_rgroupname(KINFO *k)
352 {
353 	return (strlen(group_from_gid(k->ki_p->ki_rgid, 0)));
354 }
355 
356 void
357 runame(KINFO *k, VARENT *ve)
358 {
359 	VAR *v;
360 
361 	v = ve->var;
362 	(void)printf("%-*s", v->width, user_from_uid(k->ki_p->ki_ruid, 0));
363 }
364 
365 int
366 s_runame(KINFO *k)
367 {
368 	return (strlen(user_from_uid(k->ki_p->ki_ruid, 0)));
369 }
370 
371 
372 void
373 tdev(KINFO *k, VARENT *ve)
374 {
375 	VAR *v;
376 	dev_t dev;
377 	char buff[16];
378 
379 	v = ve->var;
380 	dev = k->ki_p->ki_tdev;
381 	if (dev == NODEV)
382 		(void)printf("%*s", v->width, "??");
383 	else {
384 		(void)snprintf(buff, sizeof(buff),
385 		    "%d/%d", major(dev), minor(dev));
386 		(void)printf("%*s", v->width, buff);
387 	}
388 }
389 
390 void
391 tname(KINFO *k, VARENT *ve)
392 {
393 	VAR *v;
394 	dev_t dev;
395 	char *ttname;
396 
397 	v = ve->var;
398 	dev = k->ki_p->ki_tdev;
399 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
400 		(void)printf("%*s ", v->width - 1, "??");
401 	else {
402 		if (strncmp(ttname, "tty", 3) == 0 ||
403 		    strncmp(ttname, "cua", 3) == 0)
404 			ttname += 3;
405 		if (strncmp(ttname, "pts/", 4) == 0)
406 			ttname += 4;
407 		(void)printf("%*.*s%c", v->width - 1, v->width - 1, ttname,
408 		    k->ki_p->ki_kiflag & KI_CTTY ? ' ' : '-');
409 	}
410 }
411 
412 void
413 longtname(KINFO *k, VARENT *ve)
414 {
415 	VAR *v;
416 	dev_t dev;
417 	char *ttname;
418 
419 	v = ve->var;
420 	dev = k->ki_p->ki_tdev;
421 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
422 		(void)printf("%-*s", v->width, "??");
423 	else
424 		(void)printf("%-*s", v->width, ttname);
425 }
426 
427 void
428 started(KINFO *k, VARENT *ve)
429 {
430 	VAR *v;
431 	time_t then;
432 	struct tm *tp;
433 	static int use_ampm = -1;
434 	char buf[100];
435 
436 	v = ve->var;
437 	if (!k->ki_valid) {
438 		(void)printf("%-*s", v->width, "-");
439 		return;
440 	}
441 	if (use_ampm < 0)
442 		use_ampm = (*nl_langinfo(T_FMT_AMPM) != '\0');
443 	then = k->ki_p->ki_start.tv_sec;
444 	tp = localtime(&then);
445 	if (now - k->ki_p->ki_start.tv_sec < 24 * 3600) {
446 		(void)strftime(buf, sizeof(buf),
447 		    use_ampm ? "%l:%M%p" : "%k:%M  ", tp);
448 	} else if (now - k->ki_p->ki_start.tv_sec < 7 * 86400) {
449 		(void)strftime(buf, sizeof(buf),
450 		    use_ampm ? "%a%I%p" : "%a%H  ", tp);
451 	} else
452 		(void)strftime(buf, sizeof(buf), "%e%b%y", tp);
453 	(void)printf("%-*s", v->width, buf);
454 }
455 
456 void
457 lstarted(KINFO *k, VARENT *ve)
458 {
459 	VAR *v;
460 	time_t then;
461 	char buf[100];
462 
463 	v = ve->var;
464 	if (!k->ki_valid) {
465 		(void)printf("%-*s", v->width, "-");
466 		return;
467 	}
468 	then = k->ki_p->ki_start.tv_sec;
469 	(void)strftime(buf, sizeof(buf), "%c", localtime(&then));
470 	(void)printf("%-*s", v->width, buf);
471 }
472 
473 void
474 lockname(KINFO *k, VARENT *ve)
475 {
476 	VAR *v;
477 
478 	v = ve->var;
479 	if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
480 		if (k->ki_p->ki_lockname[0] != 0)
481 			(void)printf("%-*.*s", v->width, v->width,
482 			    k->ki_p->ki_lockname);
483 		else
484 			(void)printf("%-*s", v->width, "???");
485 	} else
486 		(void)printf("%-*s", v->width, "-");
487 }
488 
489 void
490 wchan(KINFO *k, VARENT *ve)
491 {
492 	VAR *v;
493 
494 	v = ve->var;
495 	if (k->ki_p->ki_wchan) {
496 		if (k->ki_p->ki_wmesg[0] != 0)
497 			(void)printf("%-*.*s", v->width, v->width,
498 			    k->ki_p->ki_wmesg);
499 		else
500 			(void)printf("%-*lx", v->width,
501 			    (long)k->ki_p->ki_wchan);
502 	} else
503 		(void)printf("%-*s", v->width, "-");
504 }
505 
506 void
507 nwchan(KINFO *k, VARENT *ve)
508 {
509 	VAR *v;
510 
511 	v = ve->var;
512 	if (k->ki_p->ki_wchan) {
513 		(void)printf("%0*lx", v->width,
514 		    (long)k->ki_p->ki_wchan);
515 	} else
516 		(void)printf("%-*s", v->width, "-");
517 }
518 
519 void
520 mwchan(KINFO *k, VARENT *ve)
521 {
522 	VAR *v;
523 
524 	v = ve->var;
525 	if (k->ki_p->ki_wchan) {
526 		if (k->ki_p->ki_wmesg[0] != 0)
527 			(void)printf("%-*.*s", v->width, v->width,
528 			    k->ki_p->ki_wmesg);
529 		else
530 			(void)printf("%-*lx", v->width,
531 			    (long)k->ki_p->ki_wchan);
532 	} else if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
533 		if (k->ki_p->ki_lockname[0]) {
534 			(void)printf("%-*.*s", v->width, v->width,
535 			    k->ki_p->ki_lockname);
536 		} else
537 			(void)printf("%-*s", v->width, "???");
538 	} else
539 		(void)printf("%-*s", v->width, "-");
540 }
541 
542 void
543 vsize(KINFO *k, VARENT *ve)
544 {
545 	VAR *v;
546 
547 	v = ve->var;
548 	(void)printf("%*lu", v->width, (u_long)(k->ki_p->ki_size / 1024));
549 }
550 
551 void
552 cputime(KINFO *k, VARENT *ve)
553 {
554 	VAR *v;
555 	long secs;
556 	long psecs;	/* "parts" of a second. first micro, then centi */
557 	char obuff[128];
558 	static char decimal_point;
559 
560 	if (decimal_point == '\0')
561 		decimal_point = localeconv()->decimal_point[0];
562 	v = ve->var;
563 	if (!k->ki_valid) {
564 		secs = 0;
565 		psecs = 0;
566 	} else {
567 		/*
568 		 * This counts time spent handling interrupts.  We could
569 		 * fix this, but it is not 100% trivial (and interrupt
570 		 * time fractions only work on the sparc anyway).	XXX
571 		 */
572 		secs = k->ki_p->ki_runtime / 1000000;
573 		psecs = k->ki_p->ki_runtime % 1000000;
574 		if (sumrusage) {
575 			secs += k->ki_p->ki_childtime.tv_sec;
576 			psecs += k->ki_p->ki_childtime.tv_usec;
577 		}
578 		/*
579 		 * round and scale to 100's
580 		 */
581 		psecs = (psecs + 5000) / 10000;
582 		secs += psecs / 100;
583 		psecs = psecs % 100;
584 	}
585 	(void)snprintf(obuff, sizeof(obuff), "%3ld:%02ld%c%02ld",
586 	    secs / 60, secs % 60, decimal_point, psecs);
587 	(void)printf("%*s", v->width, obuff);
588 }
589 
590 void
591 elapsed(KINFO *k, VARENT *ve)
592 {
593 	VAR *v;
594 	time_t val;
595 	int days, hours, mins, secs;
596 	char obuff[128];
597 
598 	v = ve->var;
599 	if (!k->ki_valid) {
600 		(void)printf("%-*s", v->width, "-");
601 		return;
602 	}
603 	val = now - k->ki_p->ki_start.tv_sec;
604 	days = val / (24 * 60 * 60);
605 	val %= 24 * 60 * 60;
606 	hours = val / (60 * 60);
607 	val %= 60 * 60;
608 	mins = val / 60;
609 	secs = val % 60;
610 	if (days != 0)
611 		(void)snprintf(obuff, sizeof(obuff), "%3d-%02d:%02d:%02d",
612 		    days, hours, mins, secs);
613 	else if (hours != 0)
614 		(void)snprintf(obuff, sizeof(obuff), "%02d:%02d:%02d",
615 		    hours, mins, secs);
616 	else
617 		(void)snprintf(obuff, sizeof(obuff), "%02d:%02d", mins, secs);
618 	(void)printf("%*s", v->width, obuff);
619 }
620 
621 double
622 getpcpu(const KINFO *k)
623 {
624 	static int failure;
625 
626 	if (!nlistread)
627 		failure = donlist();
628 	if (failure)
629 		return (0.0);
630 
631 #define	fxtofl(fixpt)	((double)(fixpt) / fscale)
632 
633 	/* XXX - I don't like this */
634 	if (k->ki_p->ki_swtime == 0 || (k->ki_p->ki_flag & P_INMEM) == 0)
635 		return (0.0);
636 	if (rawcpu)
637 		return (100.0 * fxtofl(k->ki_p->ki_pctcpu));
638 	return (100.0 * fxtofl(k->ki_p->ki_pctcpu) /
639 		(1.0 - exp(k->ki_p->ki_swtime * log(fxtofl(ccpu)))));
640 }
641 
642 void
643 pcpu(KINFO *k, VARENT *ve)
644 {
645 	VAR *v;
646 
647 	v = ve->var;
648 	(void)printf("%*.1f", v->width, getpcpu(k));
649 }
650 
651 static double
652 getpmem(KINFO *k)
653 {
654 	static int failure;
655 	double fracmem;
656 
657 	if (!nlistread)
658 		failure = donlist();
659 	if (failure)
660 		return (0.0);
661 
662 	if ((k->ki_p->ki_flag & P_INMEM) == 0)
663 		return (0.0);
664 	/* XXX want pmap ptpages, segtab, etc. (per architecture) */
665 	/* XXX don't have info about shared */
666 	fracmem = ((float)k->ki_p->ki_rssize) / mempages;
667 	return (100.0 * fracmem);
668 }
669 
670 void
671 pmem(KINFO *k, VARENT *ve)
672 {
673 	VAR *v;
674 
675 	v = ve->var;
676 	(void)printf("%*.1f", v->width, getpmem(k));
677 }
678 
679 void
680 pagein(KINFO *k, VARENT *ve)
681 {
682 	VAR *v;
683 
684 	v = ve->var;
685 	(void)printf("%*ld", v->width,
686 	    k->ki_valid ? k->ki_p->ki_rusage.ru_majflt : 0);
687 }
688 
689 /* ARGSUSED */
690 void
691 maxrss(KINFO *k __unused, VARENT *ve)
692 {
693 	VAR *v;
694 
695 	v = ve->var;
696 	/* XXX not yet */
697 	(void)printf("%*s", v->width, "-");
698 }
699 
700 void
701 priorityr(KINFO *k, VARENT *ve)
702 {
703 	VAR *v;
704 	struct priority *lpri;
705 	char str[8];
706 	unsigned class, level;
707 
708 	v = ve->var;
709 	lpri = &k->ki_p->ki_pri;
710 	class = lpri->pri_class;
711 	level = lpri->pri_level;
712 	switch (class) {
713 	case PRI_ITHD:
714 		snprintf(str, sizeof(str), "intr:%u", level);
715 		break;
716 	case PRI_REALTIME:
717 		snprintf(str, sizeof(str), "real:%u", level);
718 		break;
719 	case PRI_TIMESHARE:
720 		strncpy(str, "normal", sizeof(str));
721 		break;
722 	case PRI_IDLE:
723 		snprintf(str, sizeof(str), "idle:%u", level);
724 		break;
725 	default:
726 		snprintf(str, sizeof(str), "%u:%u", class, level);
727 		break;
728 	}
729 	str[sizeof(str) - 1] = '\0';
730 	(void)printf("%*s", v->width, str);
731 }
732 
733 /*
734  * Generic output routines.  Print fields from various prototype
735  * structures.
736  */
737 static void
738 printval(void *bp, VAR *v)
739 {
740 	static char ofmt[32] = "%";
741 	const char *fcp;
742 	char *cp;
743 
744 	cp = ofmt + 1;
745 	fcp = v->fmt;
746 	if (v->flag & LJUST)
747 		*cp++ = '-';
748 	*cp++ = '*';
749 	while ((*cp++ = *fcp++));
750 
751 #define	CHKINF127(n)	(((n) > 127) && (v->flag & INF127) ? 127 : (n))
752 
753 	switch (v->type) {
754 	case CHAR:
755 		(void)printf(ofmt, v->width, *(char *)bp);
756 		break;
757 	case UCHAR:
758 		(void)printf(ofmt, v->width, *(u_char *)bp);
759 		break;
760 	case SHORT:
761 		(void)printf(ofmt, v->width, *(short *)bp);
762 		break;
763 	case USHORT:
764 		(void)printf(ofmt, v->width, *(u_short *)bp);
765 		break;
766 	case INT:
767 		(void)printf(ofmt, v->width, *(int *)bp);
768 		break;
769 	case UINT:
770 		(void)printf(ofmt, v->width, CHKINF127(*(u_int *)bp));
771 		break;
772 	case LONG:
773 		(void)printf(ofmt, v->width, *(long *)bp);
774 		break;
775 	case ULONG:
776 		(void)printf(ofmt, v->width, *(u_long *)bp);
777 		break;
778 	case KPTR:
779 		(void)printf(ofmt, v->width, *(u_long *)bp);
780 		break;
781 	case PGTOK:
782 		(void)printf(ofmt, v->width, ps_pgtok(*(u_long *)bp));
783 		break;
784 	default:
785 		errx(1, "unknown type %d", v->type);
786 	}
787 }
788 
789 void
790 kvar(KINFO *k, VARENT *ve)
791 {
792 	VAR *v;
793 
794 	v = ve->var;
795 	printval((char *)((char *)k->ki_p + v->off), v);
796 }
797 
798 void
799 rvar(KINFO *k, VARENT *ve)
800 {
801 	VAR *v;
802 
803 	v = ve->var;
804 	if (k->ki_valid)
805 		printval((char *)((char *)(&k->ki_p->ki_rusage) + v->off), v);
806 	else
807 		(void)printf("%*s", v->width, "-");
808 }
809 
810 void
811 emulname(KINFO *k, VARENT *ve)
812 {
813 	VAR *v;
814 
815 	v = ve->var;
816 	printf("%-*s", v->width, *k->ki_p->ki_emul ? k->ki_p->ki_emul : "-");
817 }
818 
819 void
820 label(KINFO *k, VARENT *ve)
821 {
822 	char *string;
823 	VAR *v;
824 	mac_t proclabel;
825 	int error;
826 
827 	v = ve->var;
828 	string = NULL;
829 	if (mac_prepare_process_label(&proclabel) == -1) {
830 		warn("mac_prepare_process_label");
831 		goto out;
832 	}
833 	error = mac_get_pid(k->ki_p->ki_pid, proclabel);
834 	if (error == 0) {
835 		if (mac_to_text(proclabel, &string) == -1)
836 			string = NULL;
837 	}
838 	mac_free(proclabel);
839 out:
840 	if (string != NULL) {
841 		(void)printf("%-*s", v->width, string);
842 		free(string);
843 	} else
844 		(void)printf("%-*s", v->width, "  -");
845 	return;
846 }
847 
848 int
849 s_comm(KINFO *k)
850 {
851 	char tmpbuff[COMMLEN + OCOMMLEN + 2];
852 
853 	bzero(tmpbuff, sizeof(tmpbuff));
854 	if (showthreads && k->ki_p->ki_numthreads > 1)
855 		sprintf(tmpbuff, "%s/%s", k->ki_p->ki_comm,
856 		    k->ki_p->ki_ocomm);
857 	else
858 		sprintf(tmpbuff, "%s", k->ki_p->ki_comm);
859 	return (strlen(tmpbuff));
860 }
861 
862 int
863 s_label(KINFO *k)
864 {
865 	char *string = NULL;
866 	mac_t proclabel;
867 	int error, size = 0;
868 
869 	if (mac_prepare_process_label(&proclabel) == -1) {
870 		warn("mac_prepare_process_label");
871 		return (0);
872 	}
873 	error = mac_get_pid(k->ki_p->ki_pid, proclabel);
874 	if (error == 0 && mac_to_text(proclabel, &string) == 0) {
875 		size = strlen(string);
876 		free(string);
877 	}
878 	mac_free(proclabel);
879 	return (size);
880 }
881