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 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 static const char copyright[] =
32 "@(#) Copyright (c) 1980, 1993\n\
33 The Regents of the University of California. All rights reserved.\n";
38 static char sccsid[] = "@(#)lastcomm.c 8.1 (Berkeley) 6/6/93";
41 #include <sys/cdefs.h>
42 __FBSDID("$FreeBSD$");
44 #include <sys/param.h>
56 #include "pathnames.h"
58 /*XXX*/#include <inttypes.h>
62 const char *getdev(dev_t);
63 int readrec_forward(FILE *f, struct acctv2 *av2);
64 int readrec_backward(FILE *f, struct acctv2 *av2);
65 int requested(char *[], struct acctv2 *);
66 static void usage(void);
68 #define AC_UTIME 1 /* user */
69 #define AC_STIME 2 /* system */
70 #define AC_ETIME 4 /* elapsed */
71 #define AC_CTIME 8 /* user + system time, default */
73 #define AC_BTIME 16 /* starting time */
74 #define AC_FTIME 32 /* exit time (starting time + elapsed time )*/
77 main(int argc, char *argv[])
82 int (*readrec)(FILE *f, struct acctv2 *av2);
88 acctfile = _PATH_ACCT;
89 while ((ch = getopt(argc, argv, "f:usecSE")) != -1)
96 flags |= AC_UTIME; /* user time */
99 flags |= AC_STIME; /* system time */
102 flags |= AC_ETIME; /* elapsed time */
105 flags |= AC_CTIME; /* user + system time */
109 flags |= AC_BTIME; /* starting time */
112 /* exit time (starting time + elapsed time )*/
121 /* default user + system time and starting time */
123 flags = AC_CTIME | AC_BTIME;
129 if (strcmp(acctfile, "-") == 0) {
131 readrec = readrec_forward;
134 if ((fp = fopen(acctfile, "r")) == NULL)
135 err(1, "could not open %s", acctfile);
136 if (fseek(fp, 0l, SEEK_END) == -1)
137 err(1, "seek to end of %s failed", acctfile);
138 readrec = readrec_backward;
141 while ((rv = readrec(fp, &ab)) == 1) {
142 for (p = &ab.ac_comm[0];
143 p < &ab.ac_comm[AC_COMM_LEN] && *p; ++p)
147 if (*argv && !requested(argv, &ab))
150 (void)printf("%-*.*s %-7s %-*s %-8s",
151 AC_COMM_LEN, AC_COMM_LEN, ab.ac_comm,
152 flagbits(ab.ac_flagx),
153 MAXLOGNAME - 1, user_from_uid(ab.ac_uid, 0),
157 /* user + system time */
158 if (flags & AC_CTIME) {
159 (void)printf(" %6.3f secs",
160 (ab.ac_utime + ab.ac_stime) / 1000000);
164 if (flags & AC_UTIME) {
165 (void)printf(" %6.3f us", ab.ac_utime / 1000000);
169 if (flags & AC_STIME) {
170 (void)printf(" %6.3f sy", ab.ac_stime / 1000000);
174 if (flags & AC_ETIME) {
175 (void)printf(" %8.3f es", ab.ac_etime / 1000000);
179 if (flags & AC_BTIME) {
180 (void)printf(" %.16s", ctime(&ab.ac_btime));
183 /* exit time (starting time + elapsed time )*/
184 if (flags & AC_FTIME) {
186 t += (time_t)(ab.ac_etime / 1000000);
187 (void)printf(" %.16s", ctime(&t));
192 err(1, "read record from %s failed", acctfile);
202 static char flags[20] = "-";
205 #define BIT(flag, ch) if (f & flag) *p++ = ch
218 requested(char *argv[], struct acctv2 *acp)
223 p = user_from_uid(acp->ac_uid, 0);
224 if (!strcmp(p, *argv))
226 if ((p = getdev(acp->ac_tty)) && !strcmp(p, *argv))
228 if (!strncmp(acp->ac_comm, *argv, AC_COMM_LEN))
237 static dev_t lastdev = (dev_t)-1;
238 static const char *lastname;
240 if (dev == NODEV) /* Special case. */
242 if (dev == lastdev) /* One-element cache. */
245 lastname = devname(dev, S_IFCHR);
252 (void)fprintf(stderr,
253 "usage: lastcomm [-EScesu] [-f file] [command ...] [user ...] [terminal ...]\n");