1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright (c) 1983-2000 by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27 #include <sys/acctctl.h>
28 #include <limits.h>
29 #include <stdio.h>
30 #include <string.h>
31 #include <errno.h>
32
33 #include "lastcomm.h"
34
35 int
main(int argc,char * argv[])36 main(int argc, char *argv[])
37 {
38 int res;
39 int opt;
40 char *filename = NULL;
41 char buf[PATH_MAX];
42 ea_file_t ef;
43 int xflag = 0;
44
45 while ((opt = getopt(argc, argv, "f:x")) != EOF) {
46 switch (opt) {
47 case 'f':
48 filename = optarg;
49 break;
50 case 'x':
51 xflag = 1;
52 break;
53 default:
54 (void) fprintf(stderr,
55 gettext("Usage:\tlastcomm [-x] [-f filename]"
56 " [command] ... [user] ... [terminal] ...\n"));
57 exit(2);
58 }
59 }
60
61 if (xflag) {
62 /*
63 * User wants to see extended accounting statistics.
64 */
65 if (filename) {
66 return (lc_exacct(filename, argc, argv, optind));
67 } else {
68 if (acctctl(AC_PROC | AC_FILE_GET, buf, PATH_MAX) < 0) {
69 (void) fprintf(stderr, gettext("lastcomm: "
70 "cannot open extended accounting file: "
71 "%s\n"), strerror(errno));
72 return (1);
73 } else {
74 return (lc_exacct(buf, argc, argv, optind));
75 }
76 }
77 }
78 if (filename == NULL) {
79 /*
80 * If no option is specified, then first try to open current
81 * extended process accounting file and then old-style process
82 * accounting.
83 */
84 if (acctctl(AC_PROC | AC_FILE_GET, buf, PATH_MAX) < 0)
85 return (lc_pacct("/var/adm/pacct", argc, argv, optind));
86 else
87 return (lc_exacct(buf, argc, argv, optind));
88 } else {
89 /*
90 * If accounting file was specified and we don't know its
91 * format, then first try to open it as an extended accounting
92 * file and then as an old-style accounting file.
93 */
94 if ((res = ea_open(&ef, filename, EXACCT_CREATOR,
95 EO_TAIL | EO_VALID_HDR, O_RDONLY, 0)) >= 0)
96 (void) ea_close(&ef);
97
98 if (res < 0)
99 return (lc_pacct(filename, argc, argv, optind));
100 else
101 return (lc_exacct(filename, argc, argv, optind));
102 }
103 }
104