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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or https://opensource.org/licenses/CDDL-1.0. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #include <stdio.h> 27 #include <time.h> 28 #include <langinfo.h> 29 #include "statcommon.h" 30 31 #ifndef _DATE_FMT 32 #ifdef D_T_FMT 33 #define _DATE_FMT D_T_FMT 34 #else /* D_T_FMT */ 35 #define _DATE_FMT "%+" 36 #endif /* !D_T_FMT */ 37 #endif /* _DATE_FMT */ 38 39 /* 40 * Print timestamp as decimal reprentation of time_t value (-T u was specified) 41 * or in date(1) format (-T d was specified). 42 */ 43 void 44 print_timestamp(uint_t timestamp_fmt) 45 { 46 time_t t = time(NULL); 47 static const char *fmt = NULL; 48 49 /* We only need to retrieve this once per invocation */ 50 if (fmt == NULL) 51 fmt = nl_langinfo(_DATE_FMT); 52 53 if (timestamp_fmt == UDATE) { 54 (void) printf("%lld\n", (longlong_t)t); 55 } else if (timestamp_fmt == DDATE) { 56 char dstr[64]; 57 struct tm tm; 58 int len; 59 60 len = strftime(dstr, sizeof (dstr), fmt, localtime_r(&t, &tm)); 61 if (len > 0) 62 (void) printf("%s\n", dstr); 63 } 64 } 65 66 /* 67 * Return timestamp as decimal reprentation (in string) of time_t 68 * value (-T u was specified) or in date(1) format (-T d was specified). 69 */ 70 void 71 get_timestamp(uint_t timestamp_fmt, char *buf, int len) 72 { 73 time_t t = time(NULL); 74 static const char *fmt = NULL; 75 76 /* We only need to retrieve this once per invocation */ 77 if (fmt == NULL) 78 fmt = nl_langinfo(_DATE_FMT); 79 80 if (timestamp_fmt == UDATE) { 81 (void) snprintf(buf, len, "%lld", (longlong_t)t); 82 } else if (timestamp_fmt == DDATE) { 83 struct tm tm; 84 strftime(buf, len, fmt, localtime_r(&t, &tm)); 85 } 86 } 87 88 /* 89 * Format the provided time stamp to human readable format 90 */ 91 void 92 format_timestamp(time_t t, char *buf, int len) 93 { 94 struct tm tm; 95 static const char *fmt = NULL; 96 97 if (t == 0) { 98 snprintf(buf, len, "-"); 99 return; 100 } 101 102 /* We only need to retrieve this once per invocation */ 103 if (fmt == NULL) 104 fmt = nl_langinfo(_DATE_FMT); 105 strftime(buf, len, fmt, localtime_r(&t, &tm)); 106 } 107