1*28416801Sderaadt /* $OpenBSD: ps.c,v 1.33 2003/06/11 23:42:12 deraadt Exp $ */ 2df930be7Sderaadt /* $NetBSD: ps.c,v 1.15 1995/05/18 20:33:25 mycroft Exp $ */ 3df930be7Sderaadt 4df930be7Sderaadt /*- 5df930be7Sderaadt * Copyright (c) 1990, 1993, 1994 6df930be7Sderaadt * The Regents of the University of California. All rights reserved. 7df930be7Sderaadt * 8df930be7Sderaadt * Redistribution and use in source and binary forms, with or without 9df930be7Sderaadt * modification, are permitted provided that the following conditions 10df930be7Sderaadt * are met: 11df930be7Sderaadt * 1. Redistributions of source code must retain the above copyright 12df930be7Sderaadt * notice, this list of conditions and the following disclaimer. 13df930be7Sderaadt * 2. Redistributions in binary form must reproduce the above copyright 14df930be7Sderaadt * notice, this list of conditions and the following disclaimer in the 15df930be7Sderaadt * documentation and/or other materials provided with the distribution. 1629295d1cSmillert * 3. Neither the name of the University nor the names of its contributors 17df930be7Sderaadt * may be used to endorse or promote products derived from this software 18df930be7Sderaadt * without specific prior written permission. 19df930be7Sderaadt * 20df930be7Sderaadt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21df930be7Sderaadt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22df930be7Sderaadt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23df930be7Sderaadt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24df930be7Sderaadt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25df930be7Sderaadt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26df930be7Sderaadt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27df930be7Sderaadt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28df930be7Sderaadt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29df930be7Sderaadt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30df930be7Sderaadt * SUCH DAMAGE. 31df930be7Sderaadt */ 32df930be7Sderaadt 33df930be7Sderaadt #ifndef lint 34df930be7Sderaadt static char copyright[] = 35df930be7Sderaadt "@(#) Copyright (c) 1990, 1993, 1994\n\ 36df930be7Sderaadt The Regents of the University of California. All rights reserved.\n"; 37df930be7Sderaadt #endif /* not lint */ 38df930be7Sderaadt 39df930be7Sderaadt #ifndef lint 40df930be7Sderaadt #if 0 41df930be7Sderaadt static char sccsid[] = "@(#)ps.c 8.4 (Berkeley) 4/2/94"; 42df930be7Sderaadt #else 43*28416801Sderaadt static char rcsid[] = "$OpenBSD: ps.c,v 1.33 2003/06/11 23:42:12 deraadt Exp $"; 44df930be7Sderaadt #endif 45df930be7Sderaadt #endif /* not lint */ 46df930be7Sderaadt 47df930be7Sderaadt #include <sys/param.h> 48df930be7Sderaadt #include <sys/user.h> 49df930be7Sderaadt #include <sys/time.h> 50df930be7Sderaadt #include <sys/resource.h> 51df930be7Sderaadt #include <sys/proc.h> 52df930be7Sderaadt #include <sys/stat.h> 53df930be7Sderaadt #include <sys/ioctl.h> 54df930be7Sderaadt #include <sys/sysctl.h> 5552576792Salex #include <sys/types.h> 56df930be7Sderaadt 57df930be7Sderaadt #include <ctype.h> 58df930be7Sderaadt #include <err.h> 59df930be7Sderaadt #include <errno.h> 60df930be7Sderaadt #include <fcntl.h> 61df930be7Sderaadt #include <kvm.h> 62df930be7Sderaadt #include <nlist.h> 63df930be7Sderaadt #include <paths.h> 6452576792Salex #include <pwd.h> 65df930be7Sderaadt #include <stdio.h> 66df930be7Sderaadt #include <stdlib.h> 67df930be7Sderaadt #include <string.h> 68df930be7Sderaadt #include <unistd.h> 696763c4d8Sderaadt #include <limits.h> 70df930be7Sderaadt 71df930be7Sderaadt #include "ps.h" 72df930be7Sderaadt 739517852aSmpech extern char *__progname; 749517852aSmpech 75df930be7Sderaadt KINFO *kinfo; 76df930be7Sderaadt struct varent *vhead, *vtail; 77df930be7Sderaadt 78df930be7Sderaadt int eval; /* exit value */ 79df930be7Sderaadt int rawcpu; /* -C */ 80df930be7Sderaadt int sumrusage; /* -S */ 81df930be7Sderaadt int termwidth; /* width of screen (0 == infinity) */ 82df930be7Sderaadt int totwidth; /* calculated width of requested variables */ 83df930be7Sderaadt 84618c5e0dSmillert int needcomm, needenv, commandonly; 85df930be7Sderaadt 864527c594Smillert enum sort { DEFAULT, SORTMEM, SORTCPU } sortby = DEFAULT; 87df930be7Sderaadt 88c72b5b24Smillert static char *kludge_oldps_options(char *); 89c72b5b24Smillert static int pscomp(const void *, const void *); 90c72b5b24Smillert static void saveuser(KINFO *); 91c72b5b24Smillert static void scanvars(void); 92c72b5b24Smillert static void usage(void); 93df930be7Sderaadt 94df930be7Sderaadt char dfmt[] = "pid tt state time command"; 95df930be7Sderaadt char jfmt[] = "user pid ppid pgid sess jobc state tt time command"; 96df930be7Sderaadt char lfmt[] = "uid pid ppid cpu pri nice vsz rss wchan state tt time command"; 97df930be7Sderaadt char o1[] = "pid"; 98df930be7Sderaadt char o2[] = "tt state time command"; 99df930be7Sderaadt char ufmt[] = "user pid %cpu %mem vsz rss tt state start time command"; 100df930be7Sderaadt char vfmt[] = "pid state time sl re pagein vsz rss lim tsiz %cpu %mem command"; 101df930be7Sderaadt 102df930be7Sderaadt kvm_t *kd; 1035877eea9Sart int kvm_sysctl_only; 104df930be7Sderaadt 105df930be7Sderaadt int 106*28416801Sderaadt main(int argc, char *argv[]) 107df930be7Sderaadt { 108df930be7Sderaadt struct kinfo_proc *kp; 109df930be7Sderaadt struct varent *vent; 110df930be7Sderaadt struct winsize ws; 11152576792Salex struct passwd *pwd; 112df930be7Sderaadt dev_t ttydev; 113df930be7Sderaadt pid_t pid; 114df930be7Sderaadt uid_t uid; 1152c41d2f9Sangelos int all, ch, flag, i, fmt, lineno, nentries, mib[4], mibcnt, nproc; 1163f2d366dSniklas int prtheader, wflag, kflag, what, xflg; 1176763c4d8Sderaadt char *nlistf, *memf, *swapf, errbuf[_POSIX2_LINE_MAX]; 118e6592a11Sangelos size_t size; 119df930be7Sderaadt 120df930be7Sderaadt if ((ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&ws) == -1 && 121df930be7Sderaadt ioctl(STDERR_FILENO, TIOCGWINSZ, (char *)&ws) == -1 && 122df930be7Sderaadt ioctl(STDIN_FILENO, TIOCGWINSZ, (char *)&ws) == -1) || 123df930be7Sderaadt ws.ws_col == 0) 124df930be7Sderaadt termwidth = 79; 125df930be7Sderaadt else 126df930be7Sderaadt termwidth = ws.ws_col - 1; 127df930be7Sderaadt 128df930be7Sderaadt if (argc > 1) 129df930be7Sderaadt argv[1] = kludge_oldps_options(argv[1]); 130df930be7Sderaadt 1313f2d366dSniklas all = fmt = prtheader = wflag = kflag = xflg = 0; 132df930be7Sderaadt pid = -1; 133df930be7Sderaadt uid = (uid_t) -1; 134df930be7Sderaadt ttydev = NODEV; 135df930be7Sderaadt memf = nlistf = swapf = NULL; 136df930be7Sderaadt while ((ch = getopt(argc, argv, 1373f2d366dSniklas "acCeghjkLlM:mN:O:o:p:rSTt:U:uvW:wx")) != -1) 138df930be7Sderaadt switch((char)ch) { 139df930be7Sderaadt case 'a': 140df930be7Sderaadt all = 1; 141df930be7Sderaadt break; 142df930be7Sderaadt case 'c': 143df930be7Sderaadt commandonly = 1; 144df930be7Sderaadt break; 145df930be7Sderaadt case 'e': /* XXX set ufmt */ 146df930be7Sderaadt needenv = 1; 147df930be7Sderaadt break; 148df930be7Sderaadt case 'C': 149df930be7Sderaadt rawcpu = 1; 150df930be7Sderaadt break; 151df930be7Sderaadt case 'g': 152df930be7Sderaadt break; /* no-op */ 153df930be7Sderaadt case 'h': 154df930be7Sderaadt prtheader = ws.ws_row > 5 ? ws.ws_row : 22; 155df930be7Sderaadt break; 156df930be7Sderaadt case 'j': 157df930be7Sderaadt parsefmt(jfmt); 158df930be7Sderaadt fmt = 1; 159df930be7Sderaadt jfmt[0] = '\0'; 160df930be7Sderaadt break; 1613f2d366dSniklas case 'k': 1623f2d366dSniklas kflag++; 1633f2d366dSniklas break; 164df930be7Sderaadt case 'L': 165df930be7Sderaadt showkey(); 166df930be7Sderaadt exit(0); 167df930be7Sderaadt case 'l': 168df930be7Sderaadt parsefmt(lfmt); 169df930be7Sderaadt fmt = 1; 170df930be7Sderaadt lfmt[0] = '\0'; 171df930be7Sderaadt break; 172df930be7Sderaadt case 'M': 173df930be7Sderaadt memf = optarg; 174df930be7Sderaadt break; 175df930be7Sderaadt case 'm': 176df930be7Sderaadt sortby = SORTMEM; 177df930be7Sderaadt break; 178df930be7Sderaadt case 'N': 179df930be7Sderaadt nlistf = optarg; 180df930be7Sderaadt break; 181df930be7Sderaadt case 'O': 182df930be7Sderaadt parsefmt(o1); 183df930be7Sderaadt parsefmt(optarg); 184df930be7Sderaadt parsefmt(o2); 185df930be7Sderaadt o1[0] = o2[0] = '\0'; 186df930be7Sderaadt fmt = 1; 187df930be7Sderaadt break; 188df930be7Sderaadt case 'o': 189df930be7Sderaadt parsefmt(optarg); 190df930be7Sderaadt fmt = 1; 191df930be7Sderaadt break; 192df930be7Sderaadt case 'p': 193df930be7Sderaadt pid = atol(optarg); 194df930be7Sderaadt xflg = 1; 195df930be7Sderaadt break; 196df930be7Sderaadt case 'r': 197df930be7Sderaadt sortby = SORTCPU; 198df930be7Sderaadt break; 199df930be7Sderaadt case 'S': 200df930be7Sderaadt sumrusage = 1; 201df930be7Sderaadt break; 202df930be7Sderaadt case 'T': 203df930be7Sderaadt if ((optarg = ttyname(STDIN_FILENO)) == NULL) 204df930be7Sderaadt errx(1, "stdin: not a terminal"); 205df930be7Sderaadt /* FALLTHROUGH */ 206df930be7Sderaadt case 't': { 207df930be7Sderaadt struct stat sb; 208df930be7Sderaadt char *ttypath, pathbuf[MAXPATHLEN]; 209df930be7Sderaadt 210df930be7Sderaadt if (strcmp(optarg, "co") == 0) 211df930be7Sderaadt ttypath = _PATH_CONSOLE; 212df930be7Sderaadt else if (*optarg != '/') 213df930be7Sderaadt (void)snprintf(ttypath = pathbuf, 214df930be7Sderaadt sizeof(pathbuf), "%s%s", _PATH_TTY, optarg); 215df930be7Sderaadt else 216df930be7Sderaadt ttypath = optarg; 217df930be7Sderaadt if (stat(ttypath, &sb) == -1) 218df930be7Sderaadt err(1, "%s", ttypath); 219df930be7Sderaadt if (!S_ISCHR(sb.st_mode)) 220df930be7Sderaadt errx(1, "%s: not a terminal", ttypath); 221df930be7Sderaadt ttydev = sb.st_rdev; 222df930be7Sderaadt break; 223df930be7Sderaadt } 22452576792Salex case 'U': 22552576792Salex pwd = getpwnam(optarg); 22652576792Salex if (pwd == NULL) 22752576792Salex errx(1, "%s: no such user", optarg); 22852576792Salex uid = pwd->pw_uid; 22952576792Salex endpwent(); 23052576792Salex xflg = 1; 23152576792Salex break; 232df930be7Sderaadt case 'u': 233df930be7Sderaadt parsefmt(ufmt); 234df930be7Sderaadt sortby = SORTCPU; 235df930be7Sderaadt fmt = 1; 236df930be7Sderaadt ufmt[0] = '\0'; 237df930be7Sderaadt break; 238df930be7Sderaadt case 'v': 239df930be7Sderaadt parsefmt(vfmt); 240df930be7Sderaadt sortby = SORTMEM; 241df930be7Sderaadt fmt = 1; 242df930be7Sderaadt vfmt[0] = '\0'; 243df930be7Sderaadt break; 244df930be7Sderaadt case 'W': 245df930be7Sderaadt swapf = optarg; 246df930be7Sderaadt break; 247df930be7Sderaadt case 'w': 248df930be7Sderaadt if (wflag) 249df930be7Sderaadt termwidth = UNLIMITED; 250df930be7Sderaadt else if (termwidth < 131) 251df930be7Sderaadt termwidth = 131; 252df930be7Sderaadt wflag++; 253df930be7Sderaadt break; 254df930be7Sderaadt case 'x': 255df930be7Sderaadt xflg = 1; 256df930be7Sderaadt break; 257df930be7Sderaadt default: 258df930be7Sderaadt usage(); 259df930be7Sderaadt } 260df930be7Sderaadt argc -= optind; 261df930be7Sderaadt argv += optind; 262df930be7Sderaadt 263df930be7Sderaadt #define BACKWARD_COMPATIBILITY 264df930be7Sderaadt #ifdef BACKWARD_COMPATIBILITY 265df930be7Sderaadt if (*argv) { 266df930be7Sderaadt nlistf = *argv; 267df930be7Sderaadt if (*++argv) { 268df930be7Sderaadt memf = *argv; 269df930be7Sderaadt if (*++argv) 270df930be7Sderaadt swapf = *argv; 271df930be7Sderaadt } 272df930be7Sderaadt } 273df930be7Sderaadt #endif 274df930be7Sderaadt 2755877eea9Sart if (nlistf == NULL && memf == NULL && swapf == NULL) { 2765877eea9Sart kd = kvm_openfiles(NULL, NULL, NULL, KVM_NO_FILES, errbuf); 2775877eea9Sart kvm_sysctl_only = 1; 2785877eea9Sart } else { 279df930be7Sderaadt kd = kvm_openfiles(nlistf, memf, swapf, O_RDONLY, errbuf); 2805877eea9Sart } 281bb929088Smickey if (kd == NULL && (nlistf != NULL || memf != NULL || swapf != NULL)) 282df930be7Sderaadt errx(1, "%s", errbuf); 283df930be7Sderaadt 284df930be7Sderaadt if (!fmt) 285df930be7Sderaadt parsefmt(dfmt); 286df930be7Sderaadt 28752576792Salex /* XXX - should be cleaner */ 28852576792Salex if (!all && ttydev == NODEV && pid == -1 && uid == (uid_t)-1) 289df930be7Sderaadt uid = getuid(); 290df930be7Sderaadt 291df930be7Sderaadt /* 292df930be7Sderaadt * scan requested variables, noting what structures are needed, 29305ea949fSmillert * and adjusting header widths as appropriate. 294df930be7Sderaadt */ 295df930be7Sderaadt scanvars(); 296df930be7Sderaadt /* 297df930be7Sderaadt * get proc list 298df930be7Sderaadt */ 299df930be7Sderaadt if (uid != (uid_t) -1) { 300e6592a11Sangelos what = mib[2] = KERN_PROC_UID; 301e6592a11Sangelos flag = mib[3] = uid; 302e6592a11Sangelos mibcnt = 4; 303df930be7Sderaadt } else if (ttydev != NODEV) { 304e6592a11Sangelos what = mib[2] = KERN_PROC_TTY; 305e6592a11Sangelos flag = mib[3] = ttydev; 306e6592a11Sangelos mibcnt = 4; 307df930be7Sderaadt } else if (pid != -1) { 308e6592a11Sangelos what = mib[2] = KERN_PROC_PID; 309e6592a11Sangelos flag = mib[3] = pid; 310e6592a11Sangelos mibcnt = 4; 3113f2d366dSniklas } else if (kflag) { 312e6592a11Sangelos what = mib[2] = KERN_PROC_KTHREAD; 3133f2d366dSniklas flag = 0; 314e6592a11Sangelos mibcnt = 3; 315df930be7Sderaadt } else { 316e6592a11Sangelos what = mib[2] = KERN_PROC_ALL; 317df930be7Sderaadt flag = 0; 318e6592a11Sangelos mibcnt = 3; 319df930be7Sderaadt } 320df930be7Sderaadt /* 321df930be7Sderaadt * select procs 322df930be7Sderaadt */ 323e6592a11Sangelos if (kd != NULL) { 324df930be7Sderaadt if ((kp = kvm_getprocs(kd, what, flag, &nentries)) == 0) 325df930be7Sderaadt errx(1, "%s", kvm_geterr(kd)); 326e6592a11Sangelos } 327e6592a11Sangelos else { 328e6592a11Sangelos mib[0] = CTL_KERN; 3292c41d2f9Sangelos mib[1] = KERN_NPROCS; 3302c41d2f9Sangelos size = sizeof (nproc); 3312c41d2f9Sangelos if (sysctl(mib, 2, &nproc, &size, NULL, 0) < 0) 3322c41d2f9Sangelos err(1, "could not get kern.nproc"); 3332c41d2f9Sangelos /* Allocate more memory than is needed, just in case */ 3342c41d2f9Sangelos size = (5 * nproc * sizeof(struct kinfo_proc)) / 4; 335e6592a11Sangelos kp = calloc(size, sizeof(char)); 336e6592a11Sangelos if (kp == NULL) 337e6592a11Sangelos err(1, 338e6592a11Sangelos "failed to allocated memory for proc structures"); 3392c41d2f9Sangelos mib[1] = KERN_PROC; 340e6592a11Sangelos if (sysctl(mib, mibcnt, kp, &size, NULL, 0) < 0) 341e6592a11Sangelos err(1, "could not read kern.proc"); 342e6592a11Sangelos nentries = size / sizeof(struct kinfo_proc); 343e6592a11Sangelos } 344e6592a11Sangelos 345df930be7Sderaadt if ((kinfo = malloc(nentries * sizeof(*kinfo))) == NULL) 346df930be7Sderaadt err(1, NULL); 347df930be7Sderaadt for (i = nentries; --i >= 0; ++kp) { 348df930be7Sderaadt kinfo[i].ki_p = kp; 349df930be7Sderaadt saveuser(&kinfo[i]); 350df930be7Sderaadt } 351df930be7Sderaadt /* 352df930be7Sderaadt * print header 353df930be7Sderaadt */ 354df930be7Sderaadt printheader(); 355df930be7Sderaadt if (nentries == 0) 356a30d4cafSmichaels exit(1); 357df930be7Sderaadt /* 358df930be7Sderaadt * sort proc list 359df930be7Sderaadt */ 360df930be7Sderaadt qsort(kinfo, nentries, sizeof(KINFO), pscomp); 361df930be7Sderaadt /* 362df930be7Sderaadt * for each proc, call each variable output function. 363df930be7Sderaadt */ 364df930be7Sderaadt for (i = lineno = 0; i < nentries; i++) { 365df930be7Sderaadt KINFO *ki = &kinfo[i]; 366df930be7Sderaadt 367df930be7Sderaadt if (xflg == 0 && (KI_EPROC(ki)->e_tdev == NODEV || 368df930be7Sderaadt (KI_PROC(ki)->p_flag & P_CONTROLT ) == 0)) 369df930be7Sderaadt continue; 370df930be7Sderaadt for (vent = vhead; vent; vent = vent->next) { 371df930be7Sderaadt (vent->var->oproc)(ki, vent); 372df930be7Sderaadt if (vent->next != NULL) 373df930be7Sderaadt (void)putchar(' '); 374df930be7Sderaadt } 375df930be7Sderaadt (void)putchar('\n'); 376df930be7Sderaadt if (prtheader && lineno++ == prtheader - 4) { 377df930be7Sderaadt (void)putchar('\n'); 378df930be7Sderaadt printheader(); 379df930be7Sderaadt lineno = 0; 380df930be7Sderaadt } 381df930be7Sderaadt } 382df930be7Sderaadt exit(eval); 383df930be7Sderaadt } 384df930be7Sderaadt 385df930be7Sderaadt static void 386*28416801Sderaadt scanvars(void) 387df930be7Sderaadt { 388df930be7Sderaadt struct varent *vent; 389df930be7Sderaadt VAR *v; 390df930be7Sderaadt int i; 391df930be7Sderaadt 392df930be7Sderaadt for (vent = vhead; vent; vent = vent->next) { 393df930be7Sderaadt v = vent->var; 394df930be7Sderaadt i = strlen(v->header); 395df930be7Sderaadt if (v->width < i) 396df930be7Sderaadt v->width = i; 397df930be7Sderaadt totwidth += v->width + 1; /* +1 for space */ 398df930be7Sderaadt if (v->flag & COMM) 399df930be7Sderaadt needcomm = 1; 400df930be7Sderaadt } 401df930be7Sderaadt totwidth--; 402df930be7Sderaadt } 403df930be7Sderaadt 404df930be7Sderaadt static void 405*28416801Sderaadt saveuser(KINFO *ki) 406df930be7Sderaadt { 407df930be7Sderaadt struct usave *usp; 408df930be7Sderaadt 409df930be7Sderaadt usp = &ki->ki_u; 410fb80fc1cSart usp->u_valid = KI_EPROC(ki)->e_pstats_valid; 411fb80fc1cSart if (!usp->u_valid) 412fb80fc1cSart return; 413fb80fc1cSart usp->u_start = KI_EPROC(ki)->e_pstats.p_start; 414fb80fc1cSart usp->u_ru = KI_EPROC(ki)->e_pstats.p_ru; 415fb80fc1cSart usp->u_cru = KI_EPROC(ki)->e_pstats.p_cru; 416df930be7Sderaadt } 417df930be7Sderaadt 418df930be7Sderaadt static int 419*28416801Sderaadt pscomp(const void *a, const void *b) 420df930be7Sderaadt { 421df930be7Sderaadt int i; 422df930be7Sderaadt #define VSIZE(k) (KI_EPROC(k)->e_vm.vm_dsize + KI_EPROC(k)->e_vm.vm_ssize + \ 423df930be7Sderaadt KI_EPROC(k)->e_vm.vm_tsize) 424fffbb510Smillert #define STARTTIME(k) (k->ki_u.u_start.tv_sec) 425fffbb510Smillert #define STARTuTIME(k) (k->ki_u.u_start.tv_usec) 426df930be7Sderaadt 427df930be7Sderaadt if (sortby == SORTCPU) 428df930be7Sderaadt return (getpcpu((KINFO *)b) - getpcpu((KINFO *)a)); 429df930be7Sderaadt if (sortby == SORTMEM) 430df930be7Sderaadt return (VSIZE((KINFO *)b) - VSIZE((KINFO *)a)); 4314527c594Smillert i = KI_EPROC((KINFO *)a)->e_tdev - KI_EPROC((KINFO *)b)->e_tdev; 4324527c594Smillert if (i == 0) 433fffbb510Smillert i = STARTTIME(((KINFO *)a)) - STARTTIME(((KINFO *)b)); 434fffbb510Smillert if (i == 0) 435fffbb510Smillert i = STARTuTIME(((KINFO *)a)) - STARTuTIME(((KINFO *)b)); 436fffbb510Smillert return (i); 437fffbb510Smillert } 438df930be7Sderaadt 439df930be7Sderaadt /* 440df930be7Sderaadt * ICK (all for getopt), would rather hide the ugliness 441df930be7Sderaadt * here than taint the main code. 442df930be7Sderaadt * 443df930be7Sderaadt * ps foo -> ps -foo 444df930be7Sderaadt * ps 34 -> ps -p34 445df930be7Sderaadt * 446df930be7Sderaadt * The old convention that 't' with no trailing tty arg means the users 447df930be7Sderaadt * tty, is only supported if argv[1] doesn't begin with a '-'. This same 448df930be7Sderaadt * feature is available with the option 'T', which takes no argument. 449df930be7Sderaadt */ 450df930be7Sderaadt static char * 451*28416801Sderaadt kludge_oldps_options(char *s) 452df930be7Sderaadt { 453df930be7Sderaadt size_t len; 454df930be7Sderaadt char *newopts, *ns, *cp; 455df930be7Sderaadt 456df930be7Sderaadt len = strlen(s); 457263704f2Sderaadt if ((newopts = ns = malloc(2 + len + 1)) == NULL) 458df930be7Sderaadt err(1, NULL); 459df930be7Sderaadt /* 460df930be7Sderaadt * options begin with '-' 461df930be7Sderaadt */ 462df930be7Sderaadt if (*s != '-') 463df930be7Sderaadt *ns++ = '-'; /* add option flag */ 464263704f2Sderaadt 465df930be7Sderaadt /* 466df930be7Sderaadt * gaze to end of argv[1] 467df930be7Sderaadt */ 468df930be7Sderaadt cp = s + len - 1; 469df930be7Sderaadt /* 470df930be7Sderaadt * if last letter is a 't' flag with no argument (in the context 471df930be7Sderaadt * of the oldps options -- option string NOT starting with a '-' -- 472df930be7Sderaadt * then convert to 'T' (meaning *this* terminal, i.e. ttyname(0)). 473df930be7Sderaadt */ 474df930be7Sderaadt if (*cp == 't' && *s != '-') 475df930be7Sderaadt *cp = 'T'; 476df930be7Sderaadt else { 477df930be7Sderaadt /* 478df930be7Sderaadt * otherwise check for trailing number, which *may* be a 479df930be7Sderaadt * pid. 480df930be7Sderaadt */ 481df930be7Sderaadt while (cp >= s && isdigit(*cp)) 482df930be7Sderaadt --cp; 483df930be7Sderaadt } 484df930be7Sderaadt cp++; 485df930be7Sderaadt memmove(ns, s, (size_t)(cp - s)); /* copy up to trailing number */ 486df930be7Sderaadt ns += cp - s; 487df930be7Sderaadt /* 488df930be7Sderaadt * if there's a trailing number, and not a preceding 'p' (pid) or 489df930be7Sderaadt * 't' (tty) flag, then assume it's a pid and insert a 'p' flag. 490df930be7Sderaadt */ 491764064c4Smickey if (isdigit(*cp) && (cp == s || (cp[-1] != 't' && cp[-1] != 'p' && 492764064c4Smickey (cp - 1 == s || cp[-2] != 't')))) 493df930be7Sderaadt *ns++ = 'p'; 494263704f2Sderaadt /* and append the number */ 495263704f2Sderaadt (void)strlcpy(ns, cp, newopts + len + 3 - ns); 496df930be7Sderaadt 497df930be7Sderaadt return (newopts); 498df930be7Sderaadt } 499df930be7Sderaadt 500df930be7Sderaadt static void 501*28416801Sderaadt usage(void) 502df930be7Sderaadt { 503df930be7Sderaadt (void)fprintf(stderr, 50405ea949fSmillert "usage: %s [-][acCehjklmrSTuvwx] [-O|o fmt] [-p pid] [-t tty] [-U user]\n", 5059517852aSmpech __progname); 5069517852aSmpech (void)fprintf(stderr, 5079517852aSmpech "%-*s[-M core] [-N system] [-W swap]\n", strlen(__progname) + 8, ""); 5089517852aSmpech (void)fprintf(stderr, " %s [-L]\n", __progname); 509df930be7Sderaadt exit(1); 510df930be7Sderaadt } 511