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 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/acctctl.h> 30 #include <limits.h> 31 #include <stdio.h> 32 #include <string.h> 33 #include <errno.h> 34 35 #include "lastcomm.h" 36 37 int 38 main(int argc, char *argv[]) 39 { 40 int res; 41 int opt; 42 char *filename = NULL; 43 char buf[PATH_MAX]; 44 ea_file_t ef; 45 int xflag = 0; 46 47 while ((opt = getopt(argc, argv, "f:x")) != EOF) { 48 switch (opt) { 49 case 'f': 50 filename = optarg; 51 break; 52 case 'x': 53 xflag = 1; 54 break; 55 default: 56 (void) fprintf(stderr, 57 gettext("Usage:\tlastcomm [-x] [-f filename]" 58 " [command] ... [user] ... [terminal] ...\n")); 59 exit(2); 60 } 61 } 62 63 if (xflag) { 64 /* 65 * User wants to see extended accounting statistics. 66 */ 67 if (filename) { 68 return (lc_exacct(filename, argc, argv, optind)); 69 } else { 70 if (acctctl(AC_PROC | AC_FILE_GET, buf, PATH_MAX) < 0) { 71 (void) fprintf(stderr, gettext("lastcomm: " 72 "cannot open extended accounting file: " 73 "%s\n"), strerror(errno)); 74 return (1); 75 } else { 76 return (lc_exacct(buf, argc, argv, optind)); 77 } 78 } 79 } 80 if (filename == NULL) { 81 /* 82 * If no option is specified, then first try to open current 83 * extended process accounting file and then old-style process 84 * accounting. 85 */ 86 if (acctctl(AC_PROC | AC_FILE_GET, buf, PATH_MAX) < 0) 87 return (lc_pacct("/var/adm/pacct", argc, argv, optind)); 88 else 89 return (lc_exacct(buf, argc, argv, optind)); 90 } else { 91 /* 92 * If accounting file was specified and we don't know its 93 * format, then first try to open it as an extended accounting 94 * file and then as an old-style accounting file. 95 */ 96 if ((res = ea_open(&ef, filename, EXACCT_CREATOR, 97 EO_TAIL | EO_VALID_HDR, O_RDONLY, 0)) >= 0) 98 (void) ea_close(&ef); 99 100 if (res < 0) 101 return (lc_pacct(filename, argc, argv, optind)); 102 else 103 return (lc_exacct(filename, argc, argv, optind)); 104 } 105 } 106