1 /* $NetBSD: stime.h,v 1.4 2008/04/05 16:26:57 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #ifndef _STIME_H_ 33 #define _STIME_H_ 34 35 /* 36 * Convert a 2-digit year to a valid year as: 37 * 00-68 <-> 2000-2068 38 * 69-99 <-> 1969-1999 39 * 40 * Note: We choose the earliest year as 1969 rather than 1970 so that 41 * dates near the Epoch (Jan 1, 1970 00:00:00 UTC) can be represented 42 * with 2-digit years in all time zones. This is the convention used 43 * in parsedate(3), though it is not consistently applied in the 44 * source tree. 45 * 46 * XXX - move this (or something like it) to time.h and use it 47 * consistently in the tree. 48 */ 49 #define conv_2dig_year(y) ((y) < 69 ? (y) + 2000 : (y) + 1900) 50 51 time_t stime(char *); 52 53 #endif /* _STIME_H_ */ 54