keyword.c revision 105831
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#if 0 35#ifndef lint 36static char sccsid[] = "@(#)keyword.c 8.5 (Berkeley) 4/2/94"; 37#endif /* not lint */ 38#endif 39#include <sys/cdefs.h> 40__FBSDID("$FreeBSD: head/bin/ps/keyword.c 105831 2002-10-24 00:00:57Z rwatson $"); 41 42#include <sys/param.h> 43#include <sys/time.h> 44#include <sys/resource.h> 45#include <sys/proc.h> 46#include <sys/sysctl.h> 47#include <sys/user.h> 48 49#include <err.h> 50#include <stddef.h> 51#include <stdio.h> 52#include <stdlib.h> 53#include <string.h> 54 55#include "ps.h" 56 57static VAR *findvar(char *); 58static int vcmp(const void *, const void *); 59 60/* Compute offset in common structures. */ 61#define KOFF(x) offsetof(struct kinfo_proc, x) 62#define ROFF(x) offsetof(struct rusage, x) 63 64#define UIDFMT "u" 65#define UIDLEN 5 66#define PIDFMT "d" 67#define PIDLEN 5 68#define USERLEN (MAXLOGNAME - 1) 69 70static VAR var[] = { 71 {"%cpu", "%CPU", NULL, 0, pcpu, NULL, 4, 0, CHAR, NULL, 0}, 72 {"%mem", "%MEM", NULL, 0, pmem, NULL, 4, 0, CHAR, NULL, 0}, 73 {"acflag", "ACFLG", NULL, 0, kvar, NULL, 3, KOFF(ki_acflag), USHORT, 74 "x", 0}, 75 {"acflg", "", "acflag", 0, NULL, NULL, 0, 0, CHAR, NULL, 0}, 76 {"args", "COMMAND", NULL, COMM|LJUST|USER, arguments, NULL, 16, 0, 77 CHAR, NULL, 0}, 78 {"blocked", "", "sigmask", 0, NULL, NULL, 0, 0, CHAR, NULL, 0}, 79 {"caught", "", "sigcatch", 0, NULL, NULL, 0, 0, CHAR, NULL, 0}, 80 {"comm", "COMMAND", NULL, LJUST, ucomm, NULL, MAXCOMLEN, 0, CHAR, 81 NULL, 0}, 82 {"command", "COMMAND", NULL, COMM|LJUST|USER, command, NULL, 16, 0, 83 CHAR, NULL, 0}, 84 {"cpu", "CPU", NULL, 0, kvar, NULL, 3, KOFF(ki_estcpu), UINT, "d", 85 0}, 86 {"cputime", "", "time", 0, NULL, NULL, 0, 0, CHAR, NULL, 0}, 87 {"etime", "ELAPSED", NULL, USER, elapsed, NULL, 9, 0, CHAR, NULL, 0}, 88 {"f", "F", NULL, 0, kvar, NULL, 7, KOFF(ki_flag), INT, "x", 0}, 89 {"flags", "", "f", 0, NULL, NULL, 0, 0, CHAR, NULL, 0}, 90 {"ignored", "", "sigignore", 0, NULL, NULL, 0, 0, CHAR, NULL, 0}, 91 {"inblk", "INBLK", NULL, USER, rvar, NULL, 4, ROFF(ru_inblock), LONG, 92 "ld", 0}, 93 {"inblock", "", "inblk", 0, NULL, NULL, 0, 0, CHAR, NULL, 0}, 94 {"jobc", "JOBC", NULL, 0, kvar, NULL, 4, KOFF(ki_jobc), SHORT, "d", 95 0}, 96 {"ktrace", "KTRACE", NULL, 0, kvar, NULL, 8, KOFF(ki_traceflag), INT, 97 "x", 0}, 98 {"label", "LABEL", NULL, LJUST|DSIZ, label, s_label, SHRT_MAX, 0, CHAR, 99 NULL, 0}, 100 {"lim", "LIM", NULL, 0, maxrss, NULL, 5, 0, CHAR, NULL, 0}, 101 {"login", "LOGIN", NULL, LJUST, logname, NULL, MAXLOGNAME-1, 0, CHAR, 102 NULL, 0}, 103 {"logname", "", "login", 0, NULL, NULL, 0, 0, CHAR, NULL, 0}, 104 {"lstart", "STARTED", NULL, LJUST|USER, lstarted, NULL, 28, 0, CHAR, 105 NULL, 0}, 106 {"majflt", "MAJFLT", NULL, USER, rvar, NULL, 4, ROFF(ru_majflt), 107 LONG, "ld", 0}, 108 {"minflt", "MINFLT", NULL, USER, rvar, NULL, 4, ROFF(ru_minflt), 109 LONG, "ld", 0}, 110 {"msgrcv", "MSGRCV", NULL, USER, rvar, NULL, 4, ROFF(ru_msgrcv), 111 LONG, "ld", 0}, 112 {"msgsnd", "MSGSND", NULL, USER, rvar, NULL, 4, ROFF(ru_msgsnd), 113 LONG, "ld", 0}, 114 {"lockname", "LOCK", NULL, LJUST, lockname, NULL, 6, 0, CHAR, NULL, 115 0}, 116 {"mwchan", "MWCHAN", NULL, LJUST, mwchan, NULL, 6, 0, CHAR, NULL, 0}, 117 {"ni", "", "nice", 0, NULL, NULL, 0, 0, CHAR, NULL, 0}, 118 {"nice", "NI", NULL, 0, kvar, NULL, 2, KOFF(ki_nice), CHAR, "d", 119 0}, 120 {"nivcsw", "NIVCSW", NULL, USER, rvar, NULL, 5, ROFF(ru_nivcsw), 121 LONG, "ld", 0}, 122 {"nsignals", "", "nsigs", 0, NULL, NULL, 0, 0, CHAR, NULL, 0}, 123 {"nsigs", "NSIGS", NULL, USER, rvar, NULL, 4, ROFF(ru_nsignals), 124 LONG, "ld", 0}, 125 {"nswap", "NSWAP", NULL, USER, rvar, NULL, 4, ROFF(ru_nswap), 126 LONG, "ld", 0}, 127 {"nvcsw", "NVCSW", NULL, USER, rvar, NULL, 5, ROFF(ru_nvcsw), 128 LONG, "ld", 0}, 129 {"oublk", "OUBLK", NULL, USER, rvar, NULL, 4, ROFF(ru_oublock), 130 LONG, "ld", 0}, 131 {"oublock", "", "oublk", 0, NULL, NULL, 0, 0, CHAR, NULL, 0}, 132 {"paddr", "PADDR", NULL, 0, kvar, NULL, 8, KOFF(ki_paddr), KPTR, 133 "lx", 0}, 134 {"pagein", "PAGEIN", NULL, USER, pagein, NULL, 6, 0, CHAR, NULL, 0}, 135 {"pcpu", "", "%cpu", 0, NULL, NULL, 0, 0, CHAR, NULL, 0}, 136 {"pending", "", "sig", 0, NULL, NULL, 0, 0, CHAR, NULL, 0}, 137 {"pgid", "PGID", NULL, 0, kvar, NULL, PIDLEN, KOFF(ki_pgid), UINT, 138 PIDFMT, 0}, 139 {"pid", "PID", NULL, 0, kvar, NULL, PIDLEN, KOFF(ki_pid), UINT, 140 PIDFMT, 0}, 141 {"pmem", "", "%mem", 0, NULL, NULL, 0, 0, CHAR, NULL, 0}, 142 {"ppid", "PPID", NULL, 0, kvar, NULL, PIDLEN, KOFF(ki_ppid), UINT, 143 PIDFMT, 0}, 144 {"pri", "PRI", NULL, 0, pri, NULL, 3, 0, CHAR, NULL, 0}, 145 {"re", "RE", NULL, 0, kvar, NULL, 3, KOFF(ki_swtime), UINT, "d", 146 0}, 147 {"rgid", "RGID", NULL, 0, kvar, NULL, UIDLEN, KOFF(ki_rgid), 148 UINT, UIDFMT, 0}, 149 {"rgroup", "RGROUP", NULL, LJUST|DSIZ, rgroupname, s_rgroupname, 150 USERLEN, 0, CHAR, NULL, 0}, 151 {"rss", "RSS", NULL, 0, kvar, NULL, 4, KOFF(ki_rssize), PGTOK, "ld", 0}, 152 {"rtprio", "RTPRIO", NULL, 0, priorityr, NULL, 7, KOFF(ki_pri), CHAR, 153 NULL, 0}, 154 {"ruid", "RUID", NULL, 0, kvar, NULL, UIDLEN, KOFF(ki_ruid), 155 UINT, UIDFMT, 0}, 156 {"ruser", "RUSER", NULL, LJUST|DSIZ, runame, s_runame, USERLEN, 157 0, CHAR, NULL, 0}, 158 {"sid", "SID", NULL, 0, kvar, NULL, PIDLEN, KOFF(ki_sid), UINT, 159 PIDFMT, 0}, 160 {"sig", "PENDING", NULL, 0, kvar, NULL, 8, KOFF(ki_siglist), INT, 161 "x", 0}, 162 {"sigcatch", "CAUGHT", NULL, 0, kvar, NULL, 8, KOFF(ki_sigcatch), 163 UINT, "x", 0}, 164 {"sigignore", "IGNORED", NULL, 0, kvar, NULL, 8, KOFF(ki_sigignore), 165 UINT, "x", 0}, 166 {"sigmask", "BLOCKED", NULL, 0, kvar, NULL, 8, KOFF(ki_sigmask), 167 UINT, "x", 0}, 168 {"sl", "SL", NULL, 0, kvar, NULL, 3, KOFF(ki_slptime), UINT, "d", 169 0}, 170 {"start", "STARTED", NULL, LJUST|USER, started, NULL, 7, 0, CHAR, NULL, 171 0}, 172 {"stat", "", "state", 0, NULL, NULL, 0, 0, CHAR, NULL, 0}, 173 {"state", "STAT", NULL, 0, state, NULL, 4, 0, CHAR, NULL, 0}, 174 {"svgid", "SVGID", NULL, 0, kvar, NULL, UIDLEN, KOFF(ki_svgid), 175 UINT, UIDFMT, 0}, 176 {"svuid", "SVUID", NULL, 0, kvar, NULL, UIDLEN, KOFF(ki_svuid), 177 UINT, UIDFMT, 0}, 178 {"tdev", "TDEV", NULL, 0, tdev, NULL, 4, 0, CHAR, NULL, 0}, 179 {"time", "TIME", NULL, USER, cputime, NULL, 9, 0, CHAR, NULL, 0}, 180 {"tpgid", "TPGID", NULL, 0, kvar, NULL, 4, KOFF(ki_tpgid), UINT, 181 PIDFMT, 0}, 182 {"tsid", "TSID", NULL, 0, kvar, NULL, PIDLEN, KOFF(ki_tsid), UINT, 183 PIDFMT, 0}, 184 {"tsiz", "TSIZ", NULL, 0, kvar, NULL, 4, KOFF(ki_tsize), PGTOK, "ld", 0}, 185 {"tt", "TT ", NULL, 0, tname, NULL, 4, 0, CHAR, NULL, 0}, 186 {"tty", "TTY", NULL, LJUST, longtname, NULL, 8, 0, CHAR, NULL, 0}, 187 {"ucomm", "UCOMM", NULL, LJUST, ucomm, NULL, MAXCOMLEN, 0, CHAR, NULL, 188 0}, 189 {"uid", "UID", NULL, 0, kvar, NULL, UIDLEN, KOFF(ki_uid), UINT, 190 UIDFMT, 0}, 191 {"upr", "UPR", NULL, 0, kvar, NULL, 3, KOFF(ki_pri.pri_user), UCHAR, 192 "d", 0}, 193 {"user", "USER", NULL, LJUST|DSIZ, uname, s_uname, USERLEN, 0, CHAR, 194 NULL, 0}, 195 {"usrpri", "", "upr", 0, NULL, NULL, 0, 0, CHAR, NULL, 0}, 196 {"vsize", "", "vsz", 0, NULL, NULL, 0, 0, CHAR, NULL, 0}, 197 {"vsz", "VSZ", NULL, 0, vsize, NULL, 5, 0, CHAR, NULL, 0}, 198 {"wchan", "WCHAN", NULL, LJUST, wchan, NULL, 6, 0, CHAR, NULL, 0}, 199 {"xstat", "XSTAT", NULL, 0, kvar, NULL, 4, KOFF(ki_xstat), USHORT, 200 "x", 0}, 201 {"", NULL, NULL, 0, NULL, NULL, 0, 0, CHAR, NULL, 0}, 202}; 203 204void 205showkey(void) 206{ 207 VAR *v; 208 int i; 209 const char *p, *sep; 210 211 i = 0; 212 sep = ""; 213 for (v = var; *(p = v->name); ++v) { 214 int len = strlen(p); 215 if (termwidth && (i += len + 1) > termwidth) { 216 i = len; 217 sep = "\n"; 218 } 219 (void) printf("%s%s", sep, p); 220 sep = " "; 221 } 222 (void) printf("\n"); 223} 224 225void 226parsefmt(const char *p) 227{ 228 static struct varent *vtail; 229 char *tempstr, *tempstr1; 230 231#define FMTSEP " \t,\n" 232 tempstr1 = tempstr = strdup(p); 233 while (tempstr && *tempstr) { 234 char *cp; 235 VAR *v; 236 struct varent *vent; 237 238 /* 239 * If an item contains an equals sign, it specifies a column 240 * header, may contain embedded separator characters and 241 * is always the last item. 242 */ 243 if (tempstr[strcspn(tempstr, "="FMTSEP)] != '=') 244 while ((cp = strsep(&tempstr, FMTSEP)) != NULL && 245 *cp == '\0') 246 /* void */; 247 else { 248 cp = tempstr; 249 tempstr = NULL; 250 } 251 if (cp == NULL || !(v = findvar(cp))) 252 continue; 253 if ((vent = malloc(sizeof(struct varent))) == NULL) 254 errx(1, "malloc failed"); 255 vent->var = malloc(sizeof(*vent->var)); 256 if (vent->var == NULL) 257 errx(1, "malloc failed"); 258 memcpy(vent->var, v, sizeof(*vent->var)); 259 vent->next = NULL; 260 if (vhead == NULL) 261 vhead = vtail = vent; 262 else { 263 vtail->next = vent; 264 vtail = vent; 265 } 266 } 267 free(tempstr1); 268 if (!vhead) { 269 warnx("no valid keywords; valid keywords:"); 270 showkey(); 271 exit(1); 272 } 273} 274 275static VAR * 276findvar(char *p) 277{ 278 VAR *v, key; 279 char *hp; 280 281 hp = strchr(p, '='); 282 if (hp) 283 *hp++ = '\0'; 284 285 key.name = p; 286 v = bsearch(&key, var, sizeof(var)/sizeof(VAR) - 1, sizeof(VAR), vcmp); 287 288 if (v && v->alias) { 289 if (hp) { 290 warnx("%s: illegal keyword specification", p); 291 eval = 1; 292 } 293 parsefmt(v->alias); 294 return ((VAR *)NULL); 295 } 296 if (!v) { 297 warnx("%s: keyword not found", p); 298 eval = 1; 299 } else if (hp) 300 v->header = strdup(hp); 301 return (v); 302} 303 304static int 305vcmp(const void *a, const void *b) 306{ 307 return (strcmp(((const VAR *)a)->name, ((const VAR *)b)->name)); 308} 309