usr/src/bin/ps/keyword.c

/*-
 * Copyright (c) 1990, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef lint
static char sccsid[] = "@(#)keyword.c   8.1 (Berkeley) 5/31/93";
#endif /* not lint */

#include <sys/param.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/proc.h>

#include <err.h>
#include <errno.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "ps.h"

#ifdef SPPWAIT
#define NEWVM
#endif

#ifdef NEWVM
#include <sys/ucred.h>
#include <sys/sysctl.h>
#endif

static VAR *findvar __P((char *));
static int  vcmp __P((const void *, const void *));

#ifdef NOTINUSE
int     utime(), stime(), ixrss(), idrss(), isrss();
        {{"utime"}, "UTIME", USER, utime, 4},
        {{"stime"}, "STIME", USER, stime, 4},
        {{"ixrss"}, "IXRSS", USER, ixrss, 4},
        {{"idrss"}, "IDRSS", USER, idrss, 4},
        {{"isrss"}, "ISRSS", USER, isrss, 4},
#endif

/* Compute offset in common structures. */
#define POFF(x) offsetof(struct proc, x)
#define EOFF(x) offsetof(struct eproc, x)
#define UOFF(x) offsetof(struct usave, x)
#define ROFF(x) offsetof(struct rusage, x)

#define UIDFMT  "u"
#define UIDLEN  5
#define PIDFMT  "d"
#define PIDLEN  5
#define USERLEN 8

VAR var[] = {
#ifdef NEWVM
        {"%cpu", "%CPU", NULL, 0, pcpu, 4},
        {"%mem", "%MEM", NULL, 0, pmem, 4},
        {"acflag", "ACFLG", NULL, 0, pvar, 3, POFF(p_acflag), USHORT, "x"},
        {"acflg", "", "acflag"},
        {"blocked", "", "sigmask"},
        {"caught", "", "sigcatch"},
        {"command", "COMMAND", NULL, COMM|LJUST|USER, command, 16},
        {"cpu", "CPU", NULL, 0, pvar, 3, POFF(p_cpu), ULONG, "d"},
        {"cputime", "", "time"},
        {"f", "F", NULL, 0, pvar, 7, POFF(p_flag), LONG, "x"},
        {"flags", "", "f"},
        {"ignored", "", "sigignore"},
        {"inblk", "INBLK", NULL, USER, rvar, 4, ROFF(ru_inblock), LONG, "d"},
        {"inblock", "", "inblk"},
        {"jobc", "JOBC", NULL, 0, evar, 4, EOFF(e_jobc), SHORT, "d"},
        {"ktrace", "KTRACE", NULL, 0, pvar, 8, POFF(p_traceflag), LONG, "x"},
        {"ktracep", "KTRACEP", NULL, 0, pvar, 8, POFF(p_tracep), LONG, "x"},
        {"lim", "LIM", NULL, 0, maxrss, 5},
        {"login", "LOGIN", NULL, LJUST, logname, MAXLOGNAME},
        {"logname", "", "login"},
        {"lstart", "STARTED", NULL, LJUST|USER, lstarted, 28},
        {"majflt", "MAJFLT", NULL, USER, rvar, 4, ROFF(ru_majflt), LONG, "d"},
        {"minflt", "MINFLT", NULL, USER, rvar, 4, ROFF(ru_minflt), LONG, "d"},
        {"msgrcv", "MSGRCV", NULL, USER, rvar, 4, ROFF(ru_msgrcv), LONG, "d"},
        {"msgsnd", "MSGSND", NULL, USER, rvar, 4, ROFF(ru_msgsnd), LONG, "d"},
        {"ni", "", "nice"},
        {"nice", "NI", NULL, 0, pvar, 2, POFF(p_nice), CHAR, "d"},
        {"nivcsw", "NIVCSW", NULL, USER, rvar, 5, ROFF(ru_nivcsw), LONG, "d"},
        {"nsignals", "", "nsigs"},
        {"nsigs", "NSIGS", NULL, USER, rvar, 4, ROFF(ru_nsignals), LONG, "d"},
        {"nswap", "NSWAP", NULL, USER, rvar, 4, ROFF(ru_nswap), LONG, "d"},
        {"nvcsw", "NVCSW", NULL, USER, rvar, 5, ROFF(ru_nvcsw), LONG, "d"},
        {"nwchan", "WCHAN", NULL, 0, pvar, 6, POFF(p_wchan), KPTR, "x"},
        {"oublk", "OUBLK", NULL, USER, rvar, 4, ROFF(ru_oublock), LONG, "d"},
        {"oublock", "", "oublk"},
        {"p_ru", "P_RU", NULL, 0, pvar, 6, POFF(p_ru), KPTR, "x"},
        {"paddr", "PADDR", NULL, 0, evar, 6, EOFF(e_paddr), KPTR, "x"},
        {"pagein", "PAGEIN", NULL, USER, pagein, 6},
        {"pcpu", "", "%cpu"},
        {"pending", "", "sig"},
        {"pgid", "PGID", NULL, 0, evar, PIDLEN, EOFF(e_pgid), ULONG, PIDFMT},
        {"pid", "PID", NULL, 0, pvar, PIDLEN, POFF(p_pid), LONG, PIDFMT},
        {"pmem", "", "%mem"},
        {"ppid", "PPID", NULL, 0, evar, PIDLEN, EOFF(e_ppid), LONG, PIDFMT},
        {"pri", "PRI", NULL, 0, pri, 3},
        {"re", "RE", NULL, 0, pvar, 3, POFF(p_time), ULONG, "d"},
        {"rgid", "RGID", NULL, 0, evar, UIDLEN, EOFF(e_pcred.p_rgid),
                ULONG, UIDFMT},
        {"rlink", "RLINK", NULL, 0, pvar, 8, POFF(p_rlink), KPTR, "x"},
        {"rss", "RSS", NULL, 0, p_rssize, 4},
        {"rssize", "", "rsz"},
        {"rsz", "RSZ", NULL, 0, rssize, 4},
        {"ruid", "RUID", NULL, 0, evar, UIDLEN, EOFF(e_pcred.p_ruid),
                ULONG, UIDFMT},
        {"ruser", "RUSER", NULL, LJUST, runame, USERLEN},
        {"sess", "SESS", NULL, 0, evar, 6, EOFF(e_sess), KPTR, "x"},
        {"sig", "PENDING", NULL, 0, pvar, 8, POFF(p_sig), LONG, "x"},
        {"sigcatch", "CAUGHT", NULL, 0, pvar, 8, POFF(p_sigcatch), LONG, "x"},
        {"sigignore", "IGNORED",
                NULL, 0, pvar, 8, POFF(p_sigignore), LONG, "x"},
        {"sigmask", "BLOCKED", NULL, 0, pvar, 8, POFF(p_sigmask), LONG, "x"},
        {"sl", "SL", NULL, 0, pvar, 3, POFF(p_slptime), ULONG, "d"},
        {"start", "STARTED", NULL, LJUST|USER, started, 8},
        {"stat", "", "state"},
        {"state", "STAT", NULL, 0, state, 4},
        {"svgid", "SVGID",
                NULL, 0, evar, UIDLEN, EOFF(e_pcred.p_svgid), ULONG, UIDFMT},
        {"svuid", "SVUID",
                NULL, 0, evar, UIDLEN, EOFF(e_pcred.p_svuid), ULONG, UIDFMT},
        {"tdev", "TDEV", NULL, 0, tdev, 4},
        {"time", "TIME", NULL, USER, cputime, 9},
        {"tpgid", "TPGID", NULL, 0, evar, 4, EOFF(e_tpgid), ULONG, PIDFMT},
        {"tsess", "TSESS", NULL, 0, evar, 6, EOFF(e_tsess), KPTR, "x"},
        {"tsiz", "TSIZ", NULL, 0, tsize, 4},
        {"tt", "TT", NULL, LJUST, tname, 3},
        {"tty", "TTY", NULL, LJUST, longtname, 8},
        {"ucomm", "UCOMM", NULL, LJUST, ucomm, MAXCOMLEN},
        {"uid", "UID", NULL, 0, evar, UIDLEN, EOFF(e_ucred.cr_uid),
                ULONG, UIDFMT},
        {"upr", "UPR", NULL, 0, pvar, 3, POFF(p_usrpri), CHAR, "d"},
        {"user", "USER", NULL, LJUST, uname, USERLEN},
        {"usrpri", "", "upr"},
        {"vsize", "", "vsz"},
        {"vsz", "VSZ", NULL, 0, vsize, 5},
        {"wchan", "WCHAN", NULL, LJUST, wchan, 6},
        {"xstat", "XSTAT", NULL, 0, pvar, 4, POFF(p_xstat), USHORT, "x"},
#else
        {"%cpu", "%CPU", NULL, 0, pcpu, 4},
        {"%mem", "%MEM", NULL, 0, pmem, 4},
        {"acflag", "ACFLG", NULL, USER, uvar, 3, UOFF(u_acflag), SHORT, "x"},
        {"acflg", "", "acflag"},
        {"blocked", "", "sigmask"},
        {"caught", "", "sigcatch"},
        {"command", "COMMAND", NULL, COMM|LJUST|USER, command, 16},
        {"cpu", "CPU", NULL, 0, pvar, 3, POFF(p_cpu), ULONG, "d"},
        {"cputime", "", "time"},
        {"f", "F", NULL, 0, pvar, 7, POFF(p_flag), LONG, "x"},
        {"flags", "", "f"},
        {"ignored", "", "sigignore"},
        {"inblk", "INBLK", NULL, USER, rvar, 4, ROFF(ru_inblock), LONG, "d"},
        {"inblock", "", "inblk"},
        {"jobc", "JOBC", NULL, 0, evar, 4, EOFF(e_jobc), SHORT, "d"},
        {"ktrace", "KTRACE", NULL, 0, pvar, 8, POFF(p_traceflag), LONG, "x"},
        {"ktracep", "KTRACEP", NULL, 0, pvar, 8, POFF(p_tracep), LONG, "x"},
        {"lim", "LIM", NULL, 0, maxrss, 5},
        {"logname", "LOGNAME", NULL, LJUST, logname, MAXLOGNAME},
        {"lstart", "STARTED", NULL, LJUST|USER, lstarted, 28},
        {"majflt", "MAJFLT", NULL, USER, rvar, 4, ROFF(ru_majflt), LONG, "d"},
        {"minflt", "MINFLT", NULL, USER, rvar, 4, ROFF(ru_minflt), LONG, "d"},
        {"msgrcv", "MSGRCV", NULL, USER, rvar, 4, ROFF(ru_msgrcv), LONG, "d"},
        {"msgsnd", "MSGSND", NULL, USER, rvar, 4, ROFF(ru_msgsnd), LONG, "d"},
        {"ni", "", "nice"},
        {"nice", "NI", NULL, 0, pvar, 2, POFF(p_nice), CHAR, "d"},
        {"nivcsw", "NIVCSW", NULL, USER, rvar, 5, ROFF(ru_nivcsw), LONG, "d"},
        {"nsignals", "", "nsigs"},
        {"nsigs", "NSIGS", NULL, USER, rvar, 4, ROFF(ru_nsignals), LONG, "d"},
        {"nswap", "NSWAP", NULL, USER, rvar, 4, ROFF(ru_nswap), LONG, "d"},
        {"nvcsw", "NVCSW", NULL, USER, rvar, 5, ROFF(ru_nvcsw), LONG, "d"},
        {"nwchan", "WCHAN", NULL, 0, pvar, 6, POFF(p_wchan), KPTR, "x"},
        {"oublk", "OUBLK", NULL, USER, rvar, 4, ROFF(ru_oublock), LONG, "d"},
        {"oublock", "", "oublk"},
        {"p_ru", "P_RU", NULL, 0, pvar, 6, POFF(p_ru), KPTR, "x"},
        {"paddr", "PADDR", NULL, 0, evar, 6, EOFF(e_paddr), KPTR, "x"},
        {"pagein", "PAGEIN", NULL, USER, pagein, 6},
        {"pcpu", "", "%cpu"},
        {"pending", "", "sig"},
        {"pgid", "PGID", NULL, 0, evar, PIDLEN, EOFF(e_pgid), ULONG, PIDFMT},
        {"pid", "PID", NULL, 0, pvar, PIDLEN, POFF(p_pid), LONG, PIDFMT},
        {"pmem", "", "%mem"},
        {"poip", "POIP", NULL, 0, pvar, 4, POFF(p_poip), SHORT, "d"},
        {"ppid", "PPID", NULL, 0, pvar, PIDLEN, POFF(p_ppid), LONG, PIDFMT},
        {"pri", "PRI", NULL, 0, pri, 3},
        {"re", "RE", NULL, 0, pvar, 3, POFF(p_time), ULONG, "d"},
        {"rgid", "RGID", NULL, 0, pvar, UIDLEN, POFF(p_rgid), USHORT, UIDFMT},
        {"rlink", "RLINK", NULL, 0, pvar, 8, POFF(p_rlink), KPTR, "x"},
        {"rss", "RSS", NULL, 0, p_rssize, 4},
        {"rssize", "", "rsz"},
        {"rsz", "RSZ", NULL, 0, rssize, 4},
        {"ruid", "RUID", NULL, 0, pvar, UIDLEN, POFF(p_ruid), USHORT, UIDFMT},
        {"ruser", "RUSER", NULL, LJUST, runame, USERLEN},
        {"sess", "SESS", NULL, 0, evar, 6, EOFF(e_sess), KPTR, "x"},
        {"sig", "PENDING", NULL, 0, pvar, 8, POFF(p_sig), LONG, "x"},
        {"sigcatch", "CAUGHT", NULL, 0, pvar, 8, POFF(p_sigcatch), LONG, "x"},
        {"sigignore", "IGNORED",
                NULL, 0, pvar, 8, POFF(p_sigignore), LONG, "x"},
        {"sigmask", "BLOCKED", NULL, 0, pvar, 8, POFF(p_sigmask), LONG, "x"},
        {"sl", "SL", NULL, 0, pvar, 3, POFF(p_slptime), ULONG, "d"},
        {"start", "STARTED", NULL, LJUST|USER, started, 8},
        {"stat", "", "state"},
        {"state", "STAT", NULL, 0, state, 4},
        {"svgid", "SVGID",
                NULL, 0, pvar, UIDLEN, POFF(p_svgid), USHORT, UIDFMT},
        {"svuid", "SVUID",
                NULL, 0, pvar, UIDLEN, POFF(p_svuid), USHORT, UIDFMT},
        {"tdev", "TDEV", NULL, 0, tdev, 4},
        {"time", "TIME", NULL, USER, cputime, 9},
        {"tpgid", "TPGID", NULL, 0, evar, 4, EOFF(e_tpgid), ULONG, PIDFMT},
        {"trs", "TRS", NULL, 0, trss, 3},
        {"tsess", "TSESS", NULL, 0, evar, 6, EOFF(e_tsess), KPTR, "x"},
        {"tsiz", "TSIZ", NULL, 0, tsize, 4},
        {"tt", "TT", NULL, LJUST, tname, 3},
        {"tty", "TTY", NULL, LJUST, longtname, 8},
        {"ucomm", "UCOMM", NULL, LJUST, ucomm, MAXCOMLEN},
        {"uid", "UID", NULL, 0, pvar, UIDLEN, POFF(p_uid),USHORT, UIDFMT},
        {"upr", "UPR", NULL, 0, pvar, 3, POFF(p_usrpri), CHAR, "d"},
        {"uprocp", "UPROCP", NULL, USER, uvar, 6, UOFF(u_procp), KPTR, "x"},
        {"user", "USER", NULL, LJUST, uname, USERLEN},
        {"usrpri", "", "upr"},
        {"vsize", "", "vsz"},
        {"vsz", "VSZ", NULL, 0, vsize, 5},
        {"wchan", "WCHAN", NULL, LJUST, wchan, 6},
        {"xstat", "XSTAT", NULL, 0, pvar, 4, POFF(p_xstat), USHORT, "x"},
#endif
        {""},
};

void
showkey()
{
        extern int termwidth;
        register VAR *v;
        register int i, len;
        register char *p, *sep;

        i = 0;
        sep = "";
        for (v = var; *(p = v->name); ++v) {
                len = strlen(p);
                if (termwidth && (i += len + 1) > termwidth) {
                        i = len;
                        sep = "\n";
                }
                (void) printf("%s%s", sep, p);
                sep = " ";
        }
        (void) printf("\n");
}

void
parsefmt(p)
        char *p;
{
        static struct varent *vtail;
        register VAR *v;
        register char *cp;
        register struct varent *vent;

#define FMTSEP  " \t,\n"
        while (p && *p) {
                while ((cp = strsep(&p, FMTSEP)) != NULL && *cp == '\0')
                        /* void */;
                if (!(v = findvar(cp)))
                        continue;
                if ((vent = malloc(sizeof(struct varent))) == NULL)
                        err(1, NULL);
                vent->var = v;
                vent->next = NULL;
                if (vhead == NULL)
                        vhead = vtail = vent;
                else {
                        vtail->next = vent;
                        vtail = vent;
                }
        }
        if (!vhead)
                errx(1, "no valid keywords");
}

static VAR *
findvar(p)
        char *p;
{
        extern int eval;
        VAR *v, key;
        char *hp;
        int vcmp();

        key.name = p;

        hp = strchr(p, '=');
        if (hp)
                *hp++ = '\0';

        key.name = p;
        v = bsearch(&key, var, sizeof(var)/sizeof(VAR) - 1, sizeof(VAR), vcmp);

        if (v && v->alias) {
                if (hp) {
                        warnx("%s: illegal keyword specification", p);
                        eval = 1;
                }
                parsefmt(v->alias);
                return((VAR *)NULL);
        }
        if (!v) {
                warnx("%s: keyword not found", p);
                eval = 1;
        }
        if (hp)
                v->header = hp;
        return(v);
}

static int
vcmp(a, b)
        const void *a, *b;
{
        return(strcmp(((VAR *)a)->name, ((VAR *)b)->name));
}