2 * Copyright (c) 1980, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
35 static const char copyright[] =
36 "@(#) Copyright (c) 1980, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
42 static char sccsid[] = "@(#)lastcomm.c 8.1 (Berkeley) 6/6/93";
45 #include <sys/cdefs.h>
46 __FBSDID("$FreeBSD$");
48 #include <sys/param.h>
63 #include "pathnames.h"
65 /*XXX*/#include <inttypes.h>
69 const char *getdev(dev_t);
70 int readrec_forward(FILE *f, struct acctv2 *av2);
71 int readrec_backward(FILE *f, struct acctv2 *av2);
72 int requested(char *[], struct acctv2 *);
73 static void usage(void);
75 #define AC_UTIME 1 /* user */
76 #define AC_STIME 2 /* system */
77 #define AC_ETIME 4 /* elapsed */
78 #define AC_CTIME 8 /* user + system time, default */
80 #define AC_BTIME 16 /* starting time */
81 #define AC_FTIME 32 /* exit time (starting time + elapsed time )*/
84 main(int argc, char *argv[])
89 int (*readrec)(FILE *f, struct acctv2 *av2);
95 acctfile = _PATH_ACCT;
96 while ((ch = getopt(argc, argv, "f:usecSE")) != -1)
103 flags |= AC_UTIME; /* user time */
106 flags |= AC_STIME; /* system time */
109 flags |= AC_ETIME; /* elapsed time */
112 flags |= AC_CTIME; /* user + system time */
116 flags |= AC_BTIME; /* starting time */
119 /* exit time (starting time + elapsed time )*/
128 /* default user + system time and starting time */
130 flags = AC_CTIME | AC_BTIME;
136 if (strcmp(acctfile, "-") == 0) {
138 readrec = readrec_forward;
141 if ((fp = fopen(acctfile, "r")) == NULL)
142 err(1, "could not open %s", acctfile);
143 if (fseek(fp, 0l, SEEK_END) == -1)
144 err(1, "seek to end of %s failed", acctfile);
145 readrec = readrec_backward;
148 while ((rv = readrec(fp, &ab)) == 1) {
149 for (p = &ab.ac_comm[0];
150 p < &ab.ac_comm[AC_COMM_LEN] && *p; ++p)
154 if (*argv && !requested(argv, &ab))
157 (void)printf("%-*.*s %-7s %-*s %-*s",
158 AC_COMM_LEN, AC_COMM_LEN, ab.ac_comm,
159 flagbits(ab.ac_flagx),
160 UT_NAMESIZE, user_from_uid(ab.ac_uid, 0),
161 UT_LINESIZE, getdev(ab.ac_tty));
164 /* user + system time */
165 if (flags & AC_CTIME) {
166 (void)printf(" %6.3f secs",
167 (ab.ac_utime + ab.ac_stime) / 1000000);
171 if (flags & AC_UTIME) {
172 (void)printf(" %6.3f us", ab.ac_utime / 1000000);
176 if (flags & AC_STIME) {
177 (void)printf(" %6.3f sy", ab.ac_stime / 1000000);
181 if (flags & AC_ETIME) {
182 (void)printf(" %8.3f es", ab.ac_etime / 1000000);
186 if (flags & AC_BTIME) {
187 (void)printf(" %.16s", ctime(&ab.ac_btime));
190 /* exit time (starting time + elapsed time )*/
191 if (flags & AC_FTIME) {
193 t += (time_t)(ab.ac_etime / 1000000);
194 (void)printf(" %.16s", ctime(&t));
199 err(1, "read record from %s failed", acctfile);
209 static char flags[20] = "-";
212 #define BIT(flag, ch) if (f & flag) *p++ = ch
225 requested(char *argv[], struct acctv2 *acp)
230 p = user_from_uid(acp->ac_uid, 0);
231 if (!strcmp(p, *argv))
233 if ((p = getdev(acp->ac_tty)) && !strcmp(p, *argv))
235 if (!strncmp(acp->ac_comm, *argv, AC_COMM_LEN))
244 static dev_t lastdev = (dev_t)-1;
245 static const char *lastname;
247 if (dev == NODEV) /* Special case. */
249 if (dev == lastdev) /* One-element cache. */
252 lastname = devname(dev, S_IFCHR);
259 (void)fprintf(stderr,
260 "usage: lastcomm [-EScesu] [-f file] [command ...] [user ...] [terminal ...]\n");