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 2003 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SA_TIME_H 28 #define _SA_TIME_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 /* 33 * Exported interfaces for standalone's subset of libc's <time.h>. 34 * All standalone code *must* use this header rather than libc's. 35 */ 36 37 #include <sys/types.h> 38 39 #ifdef __cplusplus 40 extern "C" { 41 #endif 42 43 struct tm { 44 int tm_sec; /* seconds after the minute */ 45 int tm_min; /* minutes after the hour */ 46 int tm_hour; /* hour since midnight */ 47 int tm_mday; /* day of the month */ 48 int tm_mon; /* months since January */ 49 int tm_year; /* years since 1900 */ 50 int tm_wday; /* days since Sunday */ 51 int tm_yday; /* Days since January 1 */ 52 int tm_isdst; /* flag for alternate daylight savings time */ 53 }; 54 55 extern time_t time(time_t *); 56 extern char *ctime(const time_t *t); 57 extern struct tm *gmtime(const time_t *); 58 extern struct tm *localtime(const time_t *); 59 60 /* 61 * The following silly #defines are actually ripped off from <tzfile.h>. 62 * Since <tzfile.h> is not a documented header, it seemed better to just 63 * inline them here rather than having a full-blown <tzfile.h> of our own. 64 */ 65 #define EPOCH_YEAR 1970 66 #define EPOCH_WDAY 4 67 #define SECS_PER_MIN 60 68 #define DAYS_PER_WEEK 7 69 #define DAYS_PER_NYEAR 365 70 #define DAYS_PER_LYEAR 366 71 #define MONS_PER_YEAR 12 72 #define SECS_PER_HOUR (SECS_PER_MIN * 60) 73 #define SECS_PER_DAY (SECS_PER_HOUR * 24) 74 #define TM_YEAR_BASE 1900 75 76 #define isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0)) 77 78 #ifdef __cplusplus 79 } 80 #endif 81 82 #endif /* _SA_TIME_H */ 83