keyword.c revision 69896
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#ifndef lint 35#if 0 36static char sccsid[] = "@(#)keyword.c 8.5 (Berkeley) 4/2/94"; 37#else 38static const char rcsid[] = 39 "$FreeBSD: head/bin/ps/keyword.c 69896 2000-12-12 07:25:57Z mckusick $"; 40#endif 41#endif /* not lint */ 42 43#include <sys/param.h> 44#include <sys/time.h> 45#include <sys/resource.h> 46#include <sys/proc.h> 47#include <sys/sysctl.h> 48#include <sys/ucred.h> 49#include <sys/user.h> 50 51#include <err.h> 52#include <errno.h> 53#include <stddef.h> 54#include <stdio.h> 55#include <stdlib.h> 56#include <string.h> 57#include <utmp.h> 58 59#include "ps.h" 60 61static VAR *findvar __P((char *)); 62static int vcmp __P((const void *, const void *)); 63 64#ifdef NOTINUSE 65int utime(), stime(), ixrss(), idrss(), isrss(); 66 {{"utime"}, "UTIME", USER, utime, NULL, 4}, 67 {{"stime"}, "STIME", USER, stime, NULL, 4}, 68 {{"ixrss"}, "IXRSS", USER, ixrss, NULL, 4}, 69 {{"idrss"}, "IDRSS", USER, idrss, NULL, 4}, 70 {{"isrss"}, "ISRSS", USER, isrss, NULL, 4}, 71#endif 72 73/* Compute offset in common structures. */ 74#define KOFF(x) offsetof(struct kinfo_proc, x) 75#define UOFF(x) offsetof(struct usave, x) 76#define ROFF(x) offsetof(struct rusage, x) 77 78#define UIDFMT "u" 79#define UIDLEN 5 80#define PIDFMT "d" 81#define PIDLEN 5 82#define USERLEN UT_NAMESIZE 83 84VAR var[] = { 85 {"%cpu", "%CPU", NULL, 0, pcpu, NULL, 4}, 86 {"%mem", "%MEM", NULL, 0, pmem, NULL, 4}, 87 {"acflag", "ACFLG", 88 NULL, 0, kvar, NULL, 3, KOFF(ki_acflag), USHORT, "x"}, 89 {"acflg", "", "acflag"}, 90 {"blocked", "", "sigmask"}, 91 {"caught", "", "sigcatch"}, 92 {"command", "COMMAND", NULL, COMM|LJUST|USER, command, NULL, 16}, 93 {"cpu", "CPU", NULL, 0, kvar, NULL, 3, KOFF(ki_estcpu), UINT, "d"}, 94 {"cputime", "", "time"}, 95 {"f", "F", NULL, 0, kvar, NULL, 7, KOFF(ki_flag), INT, "x"}, 96 {"flags", "", "f"}, 97 {"ignored", "", "sigignore"}, 98 {"inblk", "INBLK", 99 NULL, USER, rvar, NULL, 4, ROFF(ru_inblock), LONG, "ld"}, 100 {"inblock", "", "inblk"}, 101 {"jobc", "JOBC", NULL, 0, kvar, NULL, 4, KOFF(ki_jobc), SHORT, "d"}, 102 {"ktrace", "KTRACE", 103 NULL, 0, kvar, NULL, 8, KOFF(ki_traceflag), INT, "x"}, 104 {"lim", "LIM", NULL, 0, maxrss, NULL, 5}, 105 {"login", "LOGIN", NULL, LJUST, logname, NULL, MAXLOGNAME-1}, 106 {"logname", "", "login"}, 107 {"lstart", "STARTED", NULL, LJUST|USER, lstarted, NULL, 28}, 108 {"majflt", "MAJFLT", 109 NULL, USER, rvar, NULL, 4, ROFF(ru_majflt), LONG, "ld"}, 110 {"minflt", "MINFLT", 111 NULL, USER, rvar, NULL, 4, ROFF(ru_minflt), LONG, "ld"}, 112 {"mtxname", "MUTEX", NULL, LJUST, mtxname, NULL, 6}, 113 {"msgrcv", "MSGRCV", 114 NULL, USER, rvar, NULL, 4, ROFF(ru_msgrcv), LONG, "ld"}, 115 {"msgsnd", "MSGSND", 116 NULL, USER, rvar, NULL, 4, ROFF(ru_msgsnd), LONG, "ld"}, 117 {"ni", "", "nice"}, 118 {"nice", "NI", NULL, 0, kvar, NULL, 2, KOFF(ki_nice), CHAR, "d"}, 119 {"nivcsw", "NIVCSW", 120 NULL, USER, rvar, NULL, 5, ROFF(ru_nivcsw), LONG, "ld"}, 121 {"nsignals", "", "nsigs"}, 122 {"nsigs", "NSIGS", 123 NULL, USER, rvar, NULL, 4, ROFF(ru_nsignals), LONG, "ld"}, 124 {"nswap", "NSWAP", 125 NULL, USER, rvar, NULL, 4, ROFF(ru_nswap), LONG, "ld"}, 126 {"nvcsw", "NVCSW", 127 NULL, USER, rvar, NULL, 5, ROFF(ru_nvcsw), LONG, "ld"}, 128 {"nwchan", "WCHAN", NULL, 0, kvar, NULL, 6, KOFF(ki_wchan), KPTR, "lx"}, 129 {"oublk", "OUBLK", 130 NULL, USER, rvar, NULL, 4, ROFF(ru_oublock), LONG, "ld"}, 131 {"oublock", "", "oublk"}, 132 {"paddr", "PADDR", NULL, 0, kvar, NULL, 6, KOFF(ki_paddr), KPTR, "lx"}, 133 {"pagein", "PAGEIN", NULL, USER, pagein, NULL, 6}, 134 {"pcpu", "", "%cpu"}, 135 {"pending", "", "sig"}, 136 {"pgid", "PGID", 137 NULL, 0, kvar, NULL, PIDLEN, KOFF(ki_pgid), UINT, PIDFMT}, 138 {"pid", "PID", NULL, 0, kvar, NULL, PIDLEN, KOFF(ki_pid), UINT, PIDFMT}, 139 {"pmem", "", "%mem"}, 140 {"ppid", "PPID", 141 NULL, 0, kvar, NULL, PIDLEN, KOFF(ki_ppid), UINT, PIDFMT}, 142 {"pri", "PRI", NULL, 0, pri, NULL, 3}, 143 {"re", "RE", NULL, 0, kvar, NULL, 3, KOFF(ki_swtime), UINT, "d"}, 144 {"rgid", "RGID", NULL, 0, kvar, NULL, UIDLEN, KOFF(ki_rgid), 145 UINT, UIDFMT}, 146 {"rtprio", "RTPRIO", NULL, 0, rtprior, NULL, 7, KOFF(ki_rtprio)}, 147 {"ruid", "RUID", NULL, 0, kvar, NULL, UIDLEN, KOFF(ki_ruid), 148 UINT, UIDFMT}, 149 {"ruser", "RUSER", NULL, LJUST|DSIZ, runame, s_runame, USERLEN}, 150 {"sig", "PENDING", NULL, 0, kvar, NULL, 8, KOFF(ki_siglist), INT, "x"}, 151 {"sigcatch", "CAUGHT", 152 NULL, 0, kvar, NULL, 8, KOFF(ki_sigcatch), UINT, "x"}, 153 {"sigignore", "IGNORED", 154 NULL, 0, kvar, NULL, 8, KOFF(ki_sigignore), UINT, "x"}, 155 {"sigmask", "BLOCKED", 156 NULL, 0, kvar, NULL, 8, KOFF(ki_sigmask), UINT, "x"}, 157 {"sl", "SL", NULL, 0, kvar, NULL, 3, KOFF(ki_slptime), UINT, "d"}, 158 {"start", "STARTED", NULL, LJUST|USER, started, NULL, 7}, 159 {"stat", "", "state"}, 160 {"state", "STAT", NULL, 0, state, NULL, 4}, 161 {"svgid", "SVGID", NULL, 0, 162 kvar, NULL, UIDLEN, KOFF(ki_svgid), UINT, UIDFMT}, 163 {"svuid", "SVUID", NULL, 0, 164 kvar, NULL, UIDLEN, KOFF(ki_svuid), UINT, UIDFMT}, 165 {"tdev", "TDEV", NULL, 0, tdev, NULL, 4}, 166 {"time", "TIME", NULL, USER, cputime, NULL, 9}, 167 {"tpgid", "TPGID", 168 NULL, 0, kvar, NULL, 4, KOFF(ki_tpgid), UINT, PIDFMT}, 169 {"tsiz", "TSIZ", NULL, 0, tsize, NULL, 4}, 170 {"tt", "TT ", NULL, 0, tname, NULL, 4}, 171 {"tty", "TTY", NULL, LJUST, longtname, NULL, 8}, 172 {"ucomm", "UCOMM", NULL, LJUST, ucomm, NULL, MAXCOMLEN}, 173 {"uid", "UID", NULL, 0, kvar, NULL, UIDLEN, KOFF(ki_uid), 174 UINT, UIDFMT}, 175 {"upr", "UPR", NULL, 0, kvar, NULL, 3, KOFF(ki_usrpri), CHAR, "d"}, 176 {"user", "USER", NULL, LJUST|DSIZ, uname, s_uname, USERLEN}, 177 {"usrpri", "", "upr"}, 178 {"vsize", "", "vsz"}, 179 {"vsz", "VSZ", NULL, 0, vsize, NULL, 5}, 180 {"wchan", "WCHAN", NULL, LJUST, wchan, NULL, 6}, 181 {"xstat", "XSTAT", NULL, 0, kvar, NULL, 4, KOFF(ki_xstat), USHORT, "x"}, 182 {""}, 183}; 184 185void 186showkey() 187{ 188 VAR *v; 189 int i; 190 char *p, *sep; 191 192 i = 0; 193 sep = ""; 194 for (v = var; *(p = v->name); ++v) { 195 int len = strlen(p); 196 if (termwidth && (i += len + 1) > termwidth) { 197 i = len; 198 sep = "\n"; 199 } 200 (void) printf("%s%s", sep, p); 201 sep = " "; 202 } 203 (void) printf("\n"); 204} 205 206void 207parsefmt(p) 208 char *p; 209{ 210 static struct varent *vtail; 211 212#define FMTSEP " \t,\n" 213 while (p && *p) { 214 char *cp; 215 VAR *v; 216 struct varent *vent; 217 218 while ((cp = strsep(&p, FMTSEP)) != NULL && *cp == '\0') 219 /* void */; 220 if (!(v = findvar(cp))) 221 continue; 222 if ((vent = malloc(sizeof(struct varent))) == NULL) 223 err(1, NULL); 224 vent->var = v; 225 vent->next = NULL; 226 if (vhead == NULL) 227 vhead = vtail = vent; 228 else { 229 vtail->next = vent; 230 vtail = vent; 231 } 232 } 233 if (!vhead) 234 errx(1, "no valid keywords"); 235} 236 237static VAR * 238findvar(p) 239 char *p; 240{ 241 VAR *v, key; 242 char *hp; 243 int vcmp(); 244 245 hp = strchr(p, '='); 246 if (hp) 247 *hp++ = '\0'; 248 249 key.name = p; 250 v = bsearch(&key, var, sizeof(var)/sizeof(VAR) - 1, sizeof(VAR), vcmp); 251 252 if (v && v->alias) { 253 if (hp) { 254 warnx("%s: illegal keyword specification", p); 255 eval = 1; 256 } 257 parsefmt(v->alias); 258 return ((VAR *)NULL); 259 } 260 if (!v) { 261 warnx("%s: keyword not found", p); 262 eval = 1; 263 } else if (hp) 264 v->header = hp; 265 return (v); 266} 267 268static int 269vcmp(a, b) 270 const void *a, *b; 271{ 272 return (strcmp(((VAR *)a)->name, ((VAR *)b)->name)); 273} 274