getdate is in libutil.
This commit is contained in:
christos
parent
ba26b607a4
commit
c8226bf504
@ -1,8 +1,8 @@
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# $NetBSD: Makefile,v 1.13 2006/11/15 16:59:52 christos Exp $
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# $NetBSD: Makefile,v 1.14 2006/11/17 22:11:28 christos Exp $
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# @(#)Makefile 8.1 (Berkeley) 5/31/93
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PROG= date
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SRCS= date.c netdate.c getdate.y
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SRCS= date.c netdate.c
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DPADD+= ${LIBUTIL}
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LDADD+= -lutil
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CPPFLAGS+=-I${.CURDIR}
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@ -1,4 +1,4 @@
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/* $NetBSD: date.c,v 1.47 2006/11/15 16:55:18 christos Exp $ */
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/* $NetBSD: date.c,v 1.48 2006/11/17 22:11:28 christos Exp $ */
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/*
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* Copyright (c) 1985, 1987, 1988, 1993
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@ -40,7 +40,7 @@ __COPYRIGHT(
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#if 0
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static char sccsid[] = "@(#)date.c 8.2 (Berkeley) 4/28/95";
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#else
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__RCSID("$NetBSD: date.c,v 1.47 2006/11/15 16:55:18 christos Exp $");
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__RCSID("$NetBSD: date.c,v 1.48 2006/11/17 22:11:28 christos Exp $");
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#endif
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#endif /* not lint */
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@ -91,7 +91,7 @@ main(int argc, char *argv[])
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break;
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case 'd':
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rflag = 1;
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tval = get_date(optarg, NULL, NULL);
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tval = getdate(optarg, NULL, NULL);
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if (tval == -1)
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errx(1, "Cannot parse `%s'", optarg);
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break;
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@ -1,4 +1,4 @@
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/* $NetBSD: extern.h,v 1.7 2006/11/15 17:00:09 christos Exp $ */
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/* $NetBSD: extern.h,v 1.8 2006/11/17 22:11:28 christos Exp $ */
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/*-
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* Copyright (c) 1993
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@ -35,6 +35,5 @@
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#define _EXTERN_H_
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int netsettime(time_t);
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time_t get_date(const char *, time_t *, int *);
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#endif /* !_EXTERN_H_ */
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1014
bin/date/getdate.y
1014
bin/date/getdate.y
File diff suppressed because it is too large
Load Diff
@ -1,13 +1,13 @@
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# from: @(#)Makefile 5.8 (Berkeley) 7/28/90
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# $NetBSD: Makefile,v 1.12 2006/08/16 03:24:57 macallan Exp $
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# $NetBSD: Makefile,v 1.13 2006/11/17 22:13:08 christos Exp $
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.if ${MACHINE} == "sun3" || ${MACHINE} == "sun3x" || ${MACHINE} == "sparc" \
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|| ${MACHINE} == "sparc64" || ${MACHINE} == "macppc"
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PROG= eeprom
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YPREFIX=getdate_
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SRCS= getdate.y main.c
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SRCS= main.c
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LDADD+=-lutil
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DPADD+=${LIBUTIL}
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.if ${MACHINE} == "sparc" || ${MACHINE} == "sparc64"
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SRCS+= ophandlers.c
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@ -1,4 +1,4 @@
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/* $NetBSD: defs.h,v 1.8 2006/08/17 03:50:21 macallan Exp $ */
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/* $NetBSD: defs.h,v 1.9 2006/11/17 22:13:08 christos Exp $ */
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/*-
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* Copyright (c) 1996 The NetBSD Foundation, Inc.
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@ -102,10 +102,6 @@ struct extabent {
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};
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#endif
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/* date parser */
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struct timeb;
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time_t get_date (char *, struct timeb *);
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/* Sun 3/4 EEPROM handlers. */
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void ee_action (char *, char *);
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void ee_dump (void);
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@ -1,4 +1,4 @@
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/* $NetBSD: eehandlers.c,v 1.10 2004/11/08 08:05:20 dsl Exp $ */
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/* $NetBSD: eehandlers.c,v 1.11 2006/11/17 22:13:08 christos Exp $ */
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/*-
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* Copyright (c) 1996 The NetBSD Foundation, Inc.
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@ -47,6 +47,7 @@
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include <util.h>
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#include <machine/eeprom.h>
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#ifdef __sparc__
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@ -63,9 +64,6 @@ extern int fix_checksum;
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extern int cksumfail;
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extern u_short writecount;
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struct timeb;
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extern time_t get_date (char *, struct timeb *);
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static char err_str[BUFSIZE];
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static void badval (struct keytabent *, char *);
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@ -162,7 +160,7 @@ ee_hwupdate(ktent, arg)
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return;
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}
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} else
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if ((t = get_date(arg, NULL)) == (time_t)(-1))
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if ((t = getdate(arg, NULL, NULL)) == (time_t)(-1))
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BARF(ktent);
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if (doio(ktent, (u_char *)&t, sizeof(t), IO_WRITE))
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@ -1,913 +0,0 @@
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%{
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/* $NetBSD: getdate.y,v 1.6 2004/11/06 18:18:33 christos Exp $ */
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/*
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**
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** Originally written by Steven M. Bellovin <smb@research.att.com> while
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** at the University of North Carolina at Chapel Hill. Later tweaked by
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** a couple of people on Usenet. Completely overhauled by Rich $alz
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** <rsalz@bbn.com> and Jim Berets <jberets@bbn.com> in August, 1990;
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** send any email to Rich.
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**
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** This grammar has eight shift/reduce conflicts.
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**
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** This code is in the public domain and has no copyright.
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*/
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/* SUPPRESS 287 on yaccpar_sccsid *//* Unusd static variable */
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/* SUPPRESS 288 on yyerrlab *//* Label unused */
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: getdate.y,v 1.6 2004/11/06 18:18:33 christos Exp $");
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#endif
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#include <sys/types.h>
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#include <sys/timeb.h>
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include "defs.h"
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#define EPOCH 1970
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#define HOUR(x) ((time_t)(x) * 60)
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#define SECSPERDAY (24L * 60L * 60L)
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/*
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** An entry in the lexical lookup table.
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*/
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typedef struct _TABLE {
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char *name;
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int type;
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time_t value;
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} TABLE;
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/*
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** Daylight-savings mode: on, off, or not yet known.
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*/
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typedef enum _DSTMODE {
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DSTon, DSToff, DSTmaybe
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} DSTMODE;
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/*
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** Meridian: am, pm, or 24-hour style.
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*/
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typedef enum _MERIDIAN {
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MERam, MERpm, MER24
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} MERIDIAN;
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/*
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** Global variables. We could get rid of most of these by using a good
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** union as the yacc stack. (This routine was originally written before
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** yacc had the %union construct.) Maybe someday; right now we only use
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** the %union very rarely.
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*/
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static char *yyInput;
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static DSTMODE yyDSTmode;
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static time_t yyDayOrdinal;
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static time_t yyDayNumber;
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static int yyHaveDate;
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static int yyHaveDay;
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static int yyHaveRel;
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static int yyHaveTime;
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static int yyHaveZone;
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static time_t yyTimezone;
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static time_t yyDay;
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static time_t yyHour;
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static time_t yyMinutes;
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static time_t yyMonth;
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static time_t yySeconds;
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static time_t yyYear;
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static MERIDIAN yyMeridian;
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static time_t yyRelMonth;
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static time_t yyRelSeconds;
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/* Prototyes for local functions. */
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static int yyerror (const char *);
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static time_t ToSeconds (time_t, time_t, time_t, MERIDIAN);
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static time_t Convert (time_t, time_t, time_t, time_t, time_t, time_t,
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MERIDIAN, DSTMODE);
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static time_t DSTcorrect (time_t, time_t);
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static time_t RelativeDate (time_t, time_t, time_t);
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static time_t RelativeMonth (time_t, time_t);
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static int LookupWord (char *);
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static int yylex (void);
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static int yyparse (void);
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%}
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%union {
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time_t Number;
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enum _MERIDIAN Meridian;
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}
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%token tAGO tDAY tDAYZONE tID tMERIDIAN tMINUTE_UNIT tMONTH tMONTH_UNIT
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%token tSEC_UNIT tSNUMBER tUNUMBER tZONE tDST
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%type <Number> tDAY tDAYZONE tMINUTE_UNIT tMONTH tMONTH_UNIT
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%type <Number> tSEC_UNIT tSNUMBER tUNUMBER tZONE
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%type <Meridian> tMERIDIAN o_merid
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%%
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spec : /* NULL */
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| spec item
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;
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item : time {
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yyHaveTime++;
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}
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| zone {
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yyHaveZone++;
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}
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| date {
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yyHaveDate++;
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}
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| day {
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yyHaveDay++;
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}
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| rel {
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yyHaveRel++;
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}
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| number
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;
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time : tUNUMBER tMERIDIAN {
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yyHour = $1;
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yyMinutes = 0;
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yySeconds = 0;
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yyMeridian = $2;
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}
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| tUNUMBER ':' tUNUMBER o_merid {
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yyHour = $1;
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yyMinutes = $3;
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yySeconds = 0;
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yyMeridian = $4;
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}
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| tUNUMBER ':' tUNUMBER tSNUMBER {
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yyHour = $1;
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yyMinutes = $3;
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yyMeridian = MER24;
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yyDSTmode = DSToff;
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yyTimezone = - ($4 % 100 + ($4 / 100) * 60);
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}
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| tUNUMBER ':' tUNUMBER ':' tUNUMBER o_merid {
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yyHour = $1;
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yyMinutes = $3;
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yySeconds = $5;
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yyMeridian = $6;
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}
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| tUNUMBER ':' tUNUMBER ':' tUNUMBER tSNUMBER {
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yyHour = $1;
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yyMinutes = $3;
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yySeconds = $5;
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yyMeridian = MER24;
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yyDSTmode = DSToff;
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yyTimezone = - ($6 % 100 + ($6 / 100) * 60);
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}
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;
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zone : tZONE {
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yyTimezone = $1;
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yyDSTmode = DSToff;
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}
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| tDAYZONE {
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yyTimezone = $1;
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yyDSTmode = DSTon;
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}
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|
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tZONE tDST {
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yyTimezone = $1;
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yyDSTmode = DSTon;
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}
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;
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day : tDAY {
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yyDayOrdinal = 1;
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yyDayNumber = $1;
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}
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| tDAY ',' {
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yyDayOrdinal = 1;
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yyDayNumber = $1;
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}
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| tUNUMBER tDAY {
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yyDayOrdinal = $1;
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yyDayNumber = $2;
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}
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;
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date : tUNUMBER '/' tUNUMBER {
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yyMonth = $1;
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yyDay = $3;
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}
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| tUNUMBER '/' tUNUMBER '/' tUNUMBER {
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yyMonth = $1;
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yyDay = $3;
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yyYear = $5;
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}
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| tUNUMBER tSNUMBER tSNUMBER {
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/* ISO 8601 format. yyyy-mm-dd. */
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yyYear = $1;
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yyMonth = -$2;
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yyDay = -$3;
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}
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| tMONTH tUNUMBER {
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yyMonth = $1;
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yyDay = $2;
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}
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| tMONTH tUNUMBER ',' tUNUMBER {
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yyMonth = $1;
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yyDay = $2;
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yyYear = $4;
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}
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| tUNUMBER tMONTH {
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yyMonth = $2;
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yyDay = $1;
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}
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| tUNUMBER tMONTH tUNUMBER {
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yyMonth = $2;
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yyDay = $1;
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yyYear = $3;
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}
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;
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rel : relunit tAGO {
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yyRelSeconds = -yyRelSeconds;
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yyRelMonth = -yyRelMonth;
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}
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| relunit
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;
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relunit : tUNUMBER tMINUTE_UNIT {
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yyRelSeconds += $1 * $2 * 60L;
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}
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| tSNUMBER tMINUTE_UNIT {
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yyRelSeconds += $1 * $2 * 60L;
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}
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| tMINUTE_UNIT {
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yyRelSeconds += $1 * 60L;
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}
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| tSNUMBER tSEC_UNIT {
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yyRelSeconds += $1;
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}
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| tUNUMBER tSEC_UNIT {
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yyRelSeconds += $1;
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}
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| tSEC_UNIT {
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yyRelSeconds++;
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}
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| tSNUMBER tMONTH_UNIT {
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yyRelMonth += $1 * $2;
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}
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| tUNUMBER tMONTH_UNIT {
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yyRelMonth += $1 * $2;
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}
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| tMONTH_UNIT {
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yyRelMonth += $1;
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}
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;
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number : tUNUMBER {
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if (yyHaveTime && yyHaveDate && !yyHaveRel)
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yyYear = $1;
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else {
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if($1>10000) {
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time_t date_part;
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date_part= $1/10000;
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yyHaveDate++;
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yyDay= (date_part)%100;
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yyMonth= (date_part/100)%100;
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yyYear = date_part/10000;
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}
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yyHaveTime++;
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if ($1 < 100) {
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yyHour = $1;
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yyMinutes = 0;
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}
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else {
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yyHour = $1 / 100;
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yyMinutes = $1 % 100;
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}
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yySeconds = 0;
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yyMeridian = MER24;
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}
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}
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;
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o_merid : /* NULL */ {
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$$ = MER24;
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}
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| tMERIDIAN {
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$$ = $1;
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}
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;
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%%
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/* Month and day table. */
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static TABLE const MonthDayTable[] = {
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{ "january", tMONTH, 1 },
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{ "february", tMONTH, 2 },
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{ "march", tMONTH, 3 },
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{ "april", tMONTH, 4 },
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{ "may", tMONTH, 5 },
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{ "june", tMONTH, 6 },
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{ "july", tMONTH, 7 },
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{ "august", tMONTH, 8 },
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{ "september", tMONTH, 9 },
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{ "sept", tMONTH, 9 },
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{ "october", tMONTH, 10 },
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{ "november", tMONTH, 11 },
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{ "december", tMONTH, 12 },
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{ "sunday", tDAY, 0 },
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{ "monday", tDAY, 1 },
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{ "tuesday", tDAY, 2 },
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{ "tues", tDAY, 2 },
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{ "wednesday", tDAY, 3 },
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{ "wednes", tDAY, 3 },
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{ "thursday", tDAY, 4 },
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{ "thur", tDAY, 4 },
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{ "thurs", tDAY, 4 },
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{ "friday", tDAY, 5 },
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{ "saturday", tDAY, 6 },
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{ NULL }
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};
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/* Time units table. */
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static TABLE const UnitsTable[] = {
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{ "year", tMONTH_UNIT, 12 },
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{ "month", tMONTH_UNIT, 1 },
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{ "fortnight", tMINUTE_UNIT, 14 * 24 * 60 },
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{ "week", tMINUTE_UNIT, 7 * 24 * 60 },
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{ "day", tMINUTE_UNIT, 1 * 24 * 60 },
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{ "hour", tMINUTE_UNIT, 60 },
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{ "minute", tMINUTE_UNIT, 1 },
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{ "min", tMINUTE_UNIT, 1 },
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{ "second", tSEC_UNIT, 1 },
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{ "sec", tSEC_UNIT, 1 },
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{ NULL }
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};
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/* Assorted relative-time words. */
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static TABLE const OtherTable[] = {
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{ "tomorrow", tMINUTE_UNIT, 1 * 24 * 60 },
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{ "yesterday", tMINUTE_UNIT, -1 * 24 * 60 },
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{ "today", tMINUTE_UNIT, 0 },
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{ "now", tMINUTE_UNIT, 0 },
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{ "last", tUNUMBER, -1 },
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{ "this", tMINUTE_UNIT, 0 },
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{ "next", tUNUMBER, 2 },
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{ "first", tUNUMBER, 1 },
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/* { "second", tUNUMBER, 2 }, */
|
||||
{ "third", tUNUMBER, 3 },
|
||||
{ "fourth", tUNUMBER, 4 },
|
||||
{ "fifth", tUNUMBER, 5 },
|
||||
{ "sixth", tUNUMBER, 6 },
|
||||
{ "seventh", tUNUMBER, 7 },
|
||||
{ "eighth", tUNUMBER, 8 },
|
||||
{ "ninth", tUNUMBER, 9 },
|
||||
{ "tenth", tUNUMBER, 10 },
|
||||
{ "eleventh", tUNUMBER, 11 },
|
||||
{ "twelfth", tUNUMBER, 12 },
|
||||
{ "ago", tAGO, 1 },
|
||||
{ NULL }
|
||||
};
|
||||
|
||||
/* The timezone table. */
|
||||
/* Some of these are commented out because a time_t can't store a float. */
|
||||
static TABLE const TimezoneTable[] = {
|
||||
{ "gmt", tZONE, HOUR( 0) }, /* Greenwich Mean */
|
||||
{ "ut", tZONE, HOUR( 0) }, /* Universal (Coordinated) */
|
||||
{ "utc", tZONE, HOUR( 0) },
|
||||
{ "wet", tZONE, HOUR( 0) }, /* Western European */
|
||||
{ "bst", tDAYZONE, HOUR( 0) }, /* British Summer */
|
||||
{ "wat", tZONE, HOUR( 1) }, /* West Africa */
|
||||
{ "at", tZONE, HOUR( 2) }, /* Azores */
|
||||
#if 0
|
||||
/* For completeness. BST is also British Summer, and GST is
|
||||
* also Guam Standard. */
|
||||
{ "bst", tZONE, HOUR( 3) }, /* Brazil Standard */
|
||||
{ "gst", tZONE, HOUR( 3) }, /* Greenland Standard */
|
||||
#endif
|
||||
#if 0
|
||||
{ "nft", tZONE, HOUR(3.5) }, /* Newfoundland */
|
||||
{ "nst", tZONE, HOUR(3.5) }, /* Newfoundland Standard */
|
||||
{ "ndt", tDAYZONE, HOUR(3.5) }, /* Newfoundland Daylight */
|
||||
#endif
|
||||
{ "ast", tZONE, HOUR( 4) }, /* Atlantic Standard */
|
||||
{ "adt", tDAYZONE, HOUR( 4) }, /* Atlantic Daylight */
|
||||
{ "est", tZONE, HOUR( 5) }, /* Eastern Standard */
|
||||
{ "edt", tDAYZONE, HOUR( 5) }, /* Eastern Daylight */
|
||||
{ "cst", tZONE, HOUR( 6) }, /* Central Standard */
|
||||
{ "cdt", tDAYZONE, HOUR( 6) }, /* Central Daylight */
|
||||
{ "mst", tZONE, HOUR( 7) }, /* Mountain Standard */
|
||||
{ "mdt", tDAYZONE, HOUR( 7) }, /* Mountain Daylight */
|
||||
{ "pst", tZONE, HOUR( 8) }, /* Pacific Standard */
|
||||
{ "pdt", tDAYZONE, HOUR( 8) }, /* Pacific Daylight */
|
||||
{ "yst", tZONE, HOUR( 9) }, /* Yukon Standard */
|
||||
{ "ydt", tDAYZONE, HOUR( 9) }, /* Yukon Daylight */
|
||||
{ "hst", tZONE, HOUR(10) }, /* Hawaii Standard */
|
||||
{ "hdt", tDAYZONE, HOUR(10) }, /* Hawaii Daylight */
|
||||
{ "cat", tZONE, HOUR(10) }, /* Central Alaska */
|
||||
{ "ahst", tZONE, HOUR(10) }, /* Alaska-Hawaii Standard */
|
||||
{ "nt", tZONE, HOUR(11) }, /* Nome */
|
||||
{ "idlw", tZONE, HOUR(12) }, /* International Date Line West */
|
||||
{ "cet", tZONE, -HOUR(1) }, /* Central European */
|
||||
{ "met", tZONE, -HOUR(1) }, /* Middle European */
|
||||
{ "mewt", tZONE, -HOUR(1) }, /* Middle European Winter */
|
||||
{ "mest", tDAYZONE, -HOUR(1) }, /* Middle European Summer */
|
||||
{ "swt", tZONE, -HOUR(1) }, /* Swedish Winter */
|
||||
{ "sst", tDAYZONE, -HOUR(1) }, /* Swedish Summer */
|
||||
{ "fwt", tZONE, -HOUR(1) }, /* French Winter */
|
||||
{ "fst", tDAYZONE, -HOUR(1) }, /* French Summer */
|
||||
{ "eet", tZONE, -HOUR(2) }, /* Eastern Europe, USSR Zone 1 */
|
||||
{ "bt", tZONE, -HOUR(3) }, /* Baghdad, USSR Zone 2 */
|
||||
#if 0
|
||||
{ "it", tZONE, -HOUR(3.5) },/* Iran */
|
||||
#endif
|
||||
{ "zp4", tZONE, -HOUR(4) }, /* USSR Zone 3 */
|
||||
{ "zp5", tZONE, -HOUR(5) }, /* USSR Zone 4 */
|
||||
#if 0
|
||||
{ "ist", tZONE, -HOUR(5.5) },/* Indian Standard */
|
||||
#endif
|
||||
{ "zp6", tZONE, -HOUR(6) }, /* USSR Zone 5 */
|
||||
#if 0
|
||||
/* For completeness. NST is also Newfoundland Stanard, and SST is
|
||||
* also Swedish Summer. */
|
||||
{ "nst", tZONE, -HOUR(6.5) },/* North Sumatra */
|
||||
{ "sst", tZONE, -HOUR(7) }, /* South Sumatra, USSR Zone 6 */
|
||||
#endif /* 0 */
|
||||
{ "wast", tZONE, -HOUR(7) }, /* West Australian Standard */
|
||||
{ "wadt", tDAYZONE, -HOUR(7) }, /* West Australian Daylight */
|
||||
#if 0
|
||||
{ "jt", tZONE, -HOUR(7.5) },/* Java (3pm in Cronusland!) */
|
||||
#endif
|
||||
{ "cct", tZONE, -HOUR(8) }, /* China Coast, USSR Zone 7 */
|
||||
{ "jst", tZONE, -HOUR(9) }, /* Japan Standard, USSR Zone 8 */
|
||||
#if 0
|
||||
{ "cast", tZONE, -HOUR(9.5) },/* Central Australian Standard */
|
||||
{ "cadt", tDAYZONE, -HOUR(9.5) },/* Central Australian Daylight */
|
||||
#endif
|
||||
{ "east", tZONE, -HOUR(10) }, /* Eastern Australian Standard */
|
||||
{ "eadt", tDAYZONE, -HOUR(10) }, /* Eastern Australian Daylight */
|
||||
{ "gst", tZONE, -HOUR(10) }, /* Guam Standard, USSR Zone 9 */
|
||||
{ "nzt", tZONE, -HOUR(12) }, /* New Zealand */
|
||||
{ "nzst", tZONE, -HOUR(12) }, /* New Zealand Standard */
|
||||
{ "nzdt", tDAYZONE, -HOUR(12) }, /* New Zealand Daylight */
|
||||
{ "idle", tZONE, -HOUR(12) }, /* International Date Line East */
|
||||
{ NULL }
|
||||
};
|
||||
|
||||
/* Military timezone table. */
|
||||
static TABLE const MilitaryTable[] = {
|
||||
{ "a", tZONE, HOUR( 1) },
|
||||
{ "b", tZONE, HOUR( 2) },
|
||||
{ "c", tZONE, HOUR( 3) },
|
||||
{ "d", tZONE, HOUR( 4) },
|
||||
{ "e", tZONE, HOUR( 5) },
|
||||
{ "f", tZONE, HOUR( 6) },
|
||||
{ "g", tZONE, HOUR( 7) },
|
||||
{ "h", tZONE, HOUR( 8) },
|
||||
{ "i", tZONE, HOUR( 9) },
|
||||
{ "k", tZONE, HOUR( 10) },
|
||||
{ "l", tZONE, HOUR( 11) },
|
||||
{ "m", tZONE, HOUR( 12) },
|
||||
{ "n", tZONE, HOUR(- 1) },
|
||||
{ "o", tZONE, HOUR(- 2) },
|
||||
{ "p", tZONE, HOUR(- 3) },
|
||||
{ "q", tZONE, HOUR(- 4) },
|
||||
{ "r", tZONE, HOUR(- 5) },
|
||||
{ "s", tZONE, HOUR(- 6) },
|
||||
{ "t", tZONE, HOUR(- 7) },
|
||||
{ "u", tZONE, HOUR(- 8) },
|
||||
{ "v", tZONE, HOUR(- 9) },
|
||||
{ "w", tZONE, HOUR(-10) },
|
||||
{ "x", tZONE, HOUR(-11) },
|
||||
{ "y", tZONE, HOUR(-12) },
|
||||
{ "z", tZONE, HOUR( 0) },
|
||||
{ NULL }
|
||||
};
|
||||
|
||||
|
||||
|
||||
|
||||
/* ARGSUSED */
|
||||
static int
|
||||
yyerror(s)
|
||||
const char *s;
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static time_t
|
||||
ToSeconds(Hours, Minutes, Seconds, Meridian)
|
||||
time_t Hours;
|
||||
time_t Minutes;
|
||||
time_t Seconds;
|
||||
MERIDIAN Meridian;
|
||||
{
|
||||
if (Minutes < 0 || Minutes > 59 || Seconds < 0 || Seconds > 59)
|
||||
return -1;
|
||||
switch (Meridian) {
|
||||
case MER24:
|
||||
if (Hours < 0 || Hours > 23)
|
||||
return -1;
|
||||
return (Hours * 60L + Minutes) * 60L + Seconds;
|
||||
case MERam:
|
||||
if (Hours < 1 || Hours > 12)
|
||||
return -1;
|
||||
return (Hours * 60L + Minutes) * 60L + Seconds;
|
||||
case MERpm:
|
||||
if (Hours < 1 || Hours > 12)
|
||||
return -1;
|
||||
return ((Hours + 12) * 60L + Minutes) * 60L + Seconds;
|
||||
default:
|
||||
/* for gcc */
|
||||
return -1;
|
||||
}
|
||||
/* NOTREACHED */
|
||||
}
|
||||
|
||||
|
||||
static time_t
|
||||
Convert(Month, Day, Year, Hours, Minutes, Seconds, Meridian, DSTmode)
|
||||
time_t Month;
|
||||
time_t Day;
|
||||
time_t Year;
|
||||
time_t Hours;
|
||||
time_t Minutes;
|
||||
time_t Seconds;
|
||||
MERIDIAN Meridian;
|
||||
DSTMODE DSTmode;
|
||||
{
|
||||
static int DaysInMonth[12] = {
|
||||
31, 0, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
|
||||
};
|
||||
time_t tod;
|
||||
time_t Julian;
|
||||
int i;
|
||||
|
||||
if (Year < 0)
|
||||
Year = -Year;
|
||||
if (Year < 100)
|
||||
Year += 1900;
|
||||
DaysInMonth[1] = Year % 4 == 0 && (Year % 100 != 0 || Year % 400 == 0)
|
||||
? 29 : 28;
|
||||
if (Year < EPOCH || Year > 1999
|
||||
|| Month < 1 || Month > 12
|
||||
/* Lint fluff: "conversion from long may lose accuracy" */
|
||||
|| Day < 1 || Day > DaysInMonth[(int)--Month])
|
||||
return -1;
|
||||
|
||||
for (Julian = Day - 1, i = 0; i < Month; i++)
|
||||
Julian += DaysInMonth[i];
|
||||
for (i = EPOCH; i < Year; i++)
|
||||
Julian += 365 + (i % 4 == 0);
|
||||
Julian *= SECSPERDAY;
|
||||
Julian += yyTimezone * 60L;
|
||||
if ((tod = ToSeconds(Hours, Minutes, Seconds, Meridian)) < 0)
|
||||
return -1;
|
||||
Julian += tod;
|
||||
if (DSTmode == DSTon
|
||||
|| (DSTmode == DSTmaybe && localtime(&Julian)->tm_isdst))
|
||||
Julian -= 60 * 60;
|
||||
return Julian;
|
||||
}
|
||||
|
||||
|
||||
static time_t
|
||||
DSTcorrect(Start, Future)
|
||||
time_t Start;
|
||||
time_t Future;
|
||||
{
|
||||
time_t StartDay;
|
||||
time_t FutureDay;
|
||||
|
||||
StartDay = (localtime(&Start)->tm_hour + 1) % 24;
|
||||
FutureDay = (localtime(&Future)->tm_hour + 1) % 24;
|
||||
return (Future - Start) + (StartDay - FutureDay) * 60L * 60L;
|
||||
}
|
||||
|
||||
|
||||
static time_t
|
||||
RelativeDate(Start, DayOrdinal, DayNumber)
|
||||
time_t Start;
|
||||
time_t DayOrdinal;
|
||||
time_t DayNumber;
|
||||
{
|
||||
struct tm *tm;
|
||||
time_t now;
|
||||
|
||||
now = Start;
|
||||
tm = localtime(&now);
|
||||
now += SECSPERDAY * ((DayNumber - tm->tm_wday + 7) % 7);
|
||||
now += 7 * SECSPERDAY * (DayOrdinal <= 0 ? DayOrdinal : DayOrdinal - 1);
|
||||
return DSTcorrect(Start, now);
|
||||
}
|
||||
|
||||
|
||||
static time_t
|
||||
RelativeMonth(Start, RelMonth)
|
||||
time_t Start;
|
||||
time_t RelMonth;
|
||||
{
|
||||
struct tm *tm;
|
||||
time_t Month;
|
||||
time_t Year;
|
||||
|
||||
if (RelMonth == 0)
|
||||
return 0;
|
||||
tm = localtime(&Start);
|
||||
Month = 12 * tm->tm_year + tm->tm_mon + RelMonth;
|
||||
Year = Month / 12;
|
||||
Month = Month % 12 + 1;
|
||||
return DSTcorrect(Start,
|
||||
Convert(Month, (time_t)tm->tm_mday, Year,
|
||||
(time_t)tm->tm_hour, (time_t)tm->tm_min, (time_t)tm->tm_sec,
|
||||
MER24, DSTmaybe));
|
||||
}
|
||||
|
||||
|
||||
static int
|
||||
LookupWord(buff)
|
||||
char *buff;
|
||||
{
|
||||
char *p;
|
||||
char *q;
|
||||
const TABLE *tp;
|
||||
int i;
|
||||
int abbrev;
|
||||
|
||||
/* Make it lowercase. */
|
||||
for (p = buff; *p; p++)
|
||||
if (isupper((unsigned char)*p))
|
||||
*p = tolower((unsigned char)*p);
|
||||
|
||||
if (strcmp(buff, "am") == 0 || strcmp(buff, "a.m.") == 0) {
|
||||
yylval.Meridian = MERam;
|
||||
return tMERIDIAN;
|
||||
}
|
||||
if (strcmp(buff, "pm") == 0 || strcmp(buff, "p.m.") == 0) {
|
||||
yylval.Meridian = MERpm;
|
||||
return tMERIDIAN;
|
||||
}
|
||||
|
||||
/* See if we have an abbreviation for a month. */
|
||||
if (strlen(buff) == 3)
|
||||
abbrev = 1;
|
||||
else if (strlen(buff) == 4 && buff[3] == '.') {
|
||||
abbrev = 1;
|
||||
buff[3] = '\0';
|
||||
}
|
||||
else
|
||||
abbrev = 0;
|
||||
|
||||
for (tp = MonthDayTable; tp->name; tp++) {
|
||||
if (abbrev) {
|
||||
if (strncmp(buff, tp->name, 3) == 0) {
|
||||
yylval.Number = tp->value;
|
||||
return tp->type;
|
||||
}
|
||||
}
|
||||
else if (strcmp(buff, tp->name) == 0) {
|
||||
yylval.Number = tp->value;
|
||||
return tp->type;
|
||||
}
|
||||
}
|
||||
|
||||
for (tp = TimezoneTable; tp->name; tp++)
|
||||
if (strcmp(buff, tp->name) == 0) {
|
||||
yylval.Number = tp->value;
|
||||
return tp->type;
|
||||
}
|
||||
|
||||
if (strcmp(buff, "dst") == 0)
|
||||
return tDST;
|
||||
|
||||
for (tp = UnitsTable; tp->name; tp++)
|
||||
if (strcmp(buff, tp->name) == 0) {
|
||||
yylval.Number = tp->value;
|
||||
return tp->type;
|
||||
}
|
||||
|
||||
/* Strip off any plural and try the units table again. */
|
||||
i = strlen(buff) - 1;
|
||||
if (buff[i] == 's') {
|
||||
buff[i] = '\0';
|
||||
for (tp = UnitsTable; tp->name; tp++)
|
||||
if (strcmp(buff, tp->name) == 0) {
|
||||
yylval.Number = tp->value;
|
||||
return tp->type;
|
||||
}
|
||||
buff[i] = 's'; /* Put back for "this" in OtherTable. */
|
||||
}
|
||||
|
||||
for (tp = OtherTable; tp->name; tp++)
|
||||
if (strcmp(buff, tp->name) == 0) {
|
||||
yylval.Number = tp->value;
|
||||
return tp->type;
|
||||
}
|
||||
|
||||
/* Military timezones. */
|
||||
if (buff[1] == '\0' && isalpha((unsigned char)*buff)) {
|
||||
for (tp = MilitaryTable; tp->name; tp++)
|
||||
if (strcmp(buff, tp->name) == 0) {
|
||||
yylval.Number = tp->value;
|
||||
return tp->type;
|
||||
}
|
||||
}
|
||||
|
||||
/* Drop out any periods and try the timezone table again. */
|
||||
for (i = 0, p = q = buff; *q; q++)
|
||||
if (*q != '.')
|
||||
*p++ = *q;
|
||||
else
|
||||
i++;
|
||||
*p = '\0';
|
||||
if (i)
|
||||
for (tp = TimezoneTable; tp->name; tp++)
|
||||
if (strcmp(buff, tp->name) == 0) {
|
||||
yylval.Number = tp->value;
|
||||
return tp->type;
|
||||
}
|
||||
|
||||
return tID;
|
||||
}
|
||||
|
||||
|
||||
static int
|
||||
yylex()
|
||||
{
|
||||
char c;
|
||||
char *p;
|
||||
char buff[20];
|
||||
int Count;
|
||||
int sign;
|
||||
|
||||
for ( ; ; ) {
|
||||
while (isspace((unsigned char)*yyInput))
|
||||
yyInput++;
|
||||
|
||||
if (isdigit((unsigned char)(c = *yyInput)) || c == '-' || c == '+') {
|
||||
if (c == '-' || c == '+') {
|
||||
sign = c == '-' ? -1 : 1;
|
||||
if (!isdigit((unsigned char)*++yyInput))
|
||||
/* skip the '-' sign */
|
||||
continue;
|
||||
}
|
||||
else
|
||||
sign = 0;
|
||||
for (yylval.Number = 0; isdigit((unsigned char)(c = *yyInput++)); )
|
||||
yylval.Number = 10 * yylval.Number + c - '0';
|
||||
yyInput--;
|
||||
if (sign < 0)
|
||||
yylval.Number = -yylval.Number;
|
||||
return sign ? tSNUMBER : tUNUMBER;
|
||||
}
|
||||
if (isalpha((unsigned char)c)) {
|
||||
for (p = buff; isalpha((unsigned char)(c = *yyInput++)) || c == '.'; )
|
||||
if (p < &buff[sizeof buff - 1])
|
||||
*p++ = c;
|
||||
*p = '\0';
|
||||
yyInput--;
|
||||
return LookupWord(buff);
|
||||
}
|
||||
if (c != '(')
|
||||
return *yyInput++;
|
||||
Count = 0;
|
||||
do {
|
||||
c = *yyInput++;
|
||||
if (c == '\0')
|
||||
return c;
|
||||
if (c == '(')
|
||||
Count++;
|
||||
else if (c == ')')
|
||||
Count--;
|
||||
} while (Count > 0);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
time_t
|
||||
get_date(p, now)
|
||||
char *p;
|
||||
struct timeb *now;
|
||||
{
|
||||
struct tm *tm;
|
||||
struct timeb ftz;
|
||||
time_t Start;
|
||||
time_t tod;
|
||||
|
||||
yyInput = p;
|
||||
if (now == NULL) {
|
||||
now = &ftz;
|
||||
#if !defined(HAVE_FTIME)
|
||||
(void)time(&ftz.time);
|
||||
/* Set the timezone global. */
|
||||
tzset();
|
||||
{
|
||||
#if sgi
|
||||
ftz.timezone = (int) _timezone / 60;
|
||||
#else /* not sgi */
|
||||
#ifdef __NetBSD__
|
||||
ftz.timezone = 0;
|
||||
#else /* neither sgi nor NetBSD */
|
||||
#if defined (USG)
|
||||
extern time_t timezone;
|
||||
|
||||
ftz.timezone = (int) timezone / 60;
|
||||
#else /* neither sgi nor NetBSD nor USG */
|
||||
struct timeval tv;
|
||||
struct timezone tz;
|
||||
|
||||
gettimeofday (&tv, &tz);
|
||||
ftz.timezone = (int) tz.tz_minuteswest;
|
||||
#endif /* neither sgi nor NetBSD nor USG */
|
||||
#endif /* neither sgi nor NetBSD */
|
||||
#endif /* not sgi */
|
||||
}
|
||||
#else /* HAVE_FTIME */
|
||||
(void)ftime(&ftz);
|
||||
#endif /* HAVE_FTIME */
|
||||
}
|
||||
|
||||
tm = localtime(&now->time);
|
||||
yyYear = tm->tm_year;
|
||||
yyMonth = tm->tm_mon + 1;
|
||||
yyDay = tm->tm_mday;
|
||||
yyTimezone = now->timezone;
|
||||
yyDSTmode = DSTmaybe;
|
||||
yyHour = 0;
|
||||
yyMinutes = 0;
|
||||
yySeconds = 0;
|
||||
yyMeridian = MER24;
|
||||
yyRelSeconds = 0;
|
||||
yyRelMonth = 0;
|
||||
yyHaveDate = 0;
|
||||
yyHaveDay = 0;
|
||||
yyHaveRel = 0;
|
||||
yyHaveTime = 0;
|
||||
yyHaveZone = 0;
|
||||
|
||||
if (yyparse()
|
||||
|| yyHaveTime > 1 || yyHaveZone > 1 || yyHaveDate > 1 || yyHaveDay > 1)
|
||||
return -1;
|
||||
|
||||
if (yyHaveDate || yyHaveTime || yyHaveDay) {
|
||||
Start = Convert(yyMonth, yyDay, yyYear, yyHour, yyMinutes, yySeconds,
|
||||
yyMeridian, yyDSTmode);
|
||||
if (Start < 0)
|
||||
return -1;
|
||||
}
|
||||
else {
|
||||
Start = now->time;
|
||||
if (!yyHaveRel)
|
||||
Start -= ((tm->tm_hour * 60L + tm->tm_min) * 60L) + tm->tm_sec;
|
||||
}
|
||||
|
||||
Start += yyRelSeconds;
|
||||
Start += RelativeMonth(Start, yyRelMonth);
|
||||
|
||||
if (yyHaveDay && !yyHaveDate) {
|
||||
tod = RelativeDate(Start, yyDayOrdinal, yyDayNumber);
|
||||
Start += tod;
|
||||
}
|
||||
|
||||
/* Have to do *something* with a legitimate -1 so it's distinguishable
|
||||
* from the error return value. (Alternately could set errno on error.) */
|
||||
return Start == -1 ? 0 : Start;
|
||||
}
|
||||
|
||||
|
||||
#if defined(TEST)
|
||||
|
||||
/* ARGSUSED */
|
||||
main(ac, av)
|
||||
int ac;
|
||||
char *av[];
|
||||
{
|
||||
char buff[128];
|
||||
time_t d;
|
||||
|
||||
(void)printf("Enter date, or blank line to exit.\n\t> ");
|
||||
(void)fflush(stdout);
|
||||
while (gets(buff) && buff[0]) {
|
||||
d = get_date(buff, (struct timeb *)NULL);
|
||||
if (d == -1)
|
||||
(void)printf("Bad format - couldn't convert.\n");
|
||||
else
|
||||
(void)printf("%s", ctime(&d));
|
||||
(void)printf("\t> ");
|
||||
(void)fflush(stdout);
|
||||
}
|
||||
exit(0);
|
||||
/* NOTREACHED */
|
||||
}
|
||||
#endif /* defined(TEST) */
|
||||
Loading…
Reference in New Issue
Block a user