diff options
| -rw-r--r-- | CHANGES | 4 | ||||
| -rw-r--r-- | configure.ac | 16 | ||||
| -rw-r--r-- | docs/libcurl/curl_getdate.3 | 116 | ||||
| -rw-r--r-- | lib/Makefile.am | 11 | ||||
| -rw-r--r-- | lib/Makefile.inc | 27 | ||||
| -rw-r--r-- | lib/getdate.c.cvs | 2469 | ||||
| -rw-r--r-- | lib/getdate.h | 37 | ||||
| -rw-r--r-- | lib/getdate.y | 1081 | ||||
| -rw-r--r-- | lib/parsedate.c | 2 |
9 files changed, 82 insertions, 3681 deletions
@@ -10,8 +10,8 @@ Daniel (11 September 2004) - Added parsedate.[ch] that contains a rewrite of the date parser currently provided by getdate.y. The new one is MUCH smaller and will allow us to run away from the yacc/bison jungle. It is also slightly lacking in features - compared to the old one, but it should still support parsing of all date - formats HTTP might involve (and a fair bunch of others). + compared to the old one, but it supports parsing of all date formats HTTP + involves (and a fair bunch of others). Daniel (10 September 2004) - As found out by Jonas Forsman, curl didn't allow -F to set Content-Type on diff --git a/configure.ac b/configure.ac index 825271e97..1c5e7f2b8 100644 --- a/configure.ac +++ b/configure.ac @@ -1282,22 +1282,6 @@ then USE_MANUAL="no"; fi -AC_PROG_YACC - -if test -z "$YACC" -then - AC_MSG_CHECKING([if OK to build without bison/yacc]) - dnl no yacc is a big deal if we have no pre-fixed getdate.y - if test -r "$srcdir/lib/getdate.c" - then - dnl all is well, we don't have to generate it! - AC_MSG_RESULT(yes) - else - AC_MSG_RESULT(no) - AC_MSG_ERROR([no yacc or bison found, can't build libcurl!]) - fi -fi - dnl ************************************************************************* dnl If the manual variable still is set, then we go with providing a built-in dnl manual diff --git a/docs/libcurl/curl_getdate.3 b/docs/libcurl/curl_getdate.3 index 6e936cf13..65a0e738b 100644 --- a/docs/libcurl/curl_getdate.3 +++ b/docs/libcurl/curl_getdate.3 @@ -4,35 +4,36 @@ .\" .TH curl_getdate 3 "5 March 2001" "libcurl 7.0" "libcurl Manual" .SH NAME -curl_getdate - Convert an date in a ASCII string to number of seconds since -January 1, 1970 +curl_getdate - Convert an date string to number of seconds since January 1, +1970 .SH SYNOPSIS .B #include <curl/curl.h> .sp -.BI "time_t curl_getdate(char *" datestring ", time_t *"now" ); +.BI "time_t curl_getdate(char *" datestring ", time_t *"now" );" .ad .SH DESCRIPTION -This function returns the number of seconds since January 1st 1970, for the -date and time that the -.I datestring -parameter specifies. The -.I now -parameter is there and should hold the current time to allow the datestring to -specify relative dates/times. Read further in the date string parser section -below. +This function returns the number of seconds since January 1st 1970 in the UTC +time zone, for the date and time that the \fIdatestring\fP parameter +specifies. The \fInow\fP parameter is not used, pass a NULL there. + +\fBNOTE:\fP This function was rewritten for the 7.12.2 release and this +documentation covers the functionality of the new one. The new one is not +feature-complete with the old one, but most of the formats supported by the +new one was supported by the old too. .SH PARSING DATES AND TIMES -A "date" is a string, possibly empty, containing many items separated by -whitespace. The whitespace may be omitted when no ambiguity arises. The -empty string means the beginning of today (i.e., midnight). Order of the -items is immaterial. A date string may contain many flavors of items: +A "date" is a string containing several items separated by whitespace. The +order of the items is immaterial. A date string may contain many flavors of +items: .TP 0.8i .B calendar date items -This can be specified in a number of different ways. Including 1970-09-17, 70-9-17, 70-09-17, 9/17/72, 24 September 1972, 24 Sept 72, 24 Sep 72, Sep 24, 1972, 24-sep-72, 24sep72. -The year can also be omitted, for example: 9/17 or "sep 17". +Can be specified several ways. Month names can only be three-letter +abbrivations, numbers can be zero-prefixed and the year may use 2 or 4 digits. +Examples: 06 Nov 1994, 06-Nov-94 and Nov-94 6. .TP .B time of the day items -This string specifies the time on a given day. Syntax supported includes: -18:19:0, 18:19, 6:19pm, 18:19-0500 (for specifying the time zone as well). +This string specifies the time on a given day. You must specify it with 6 +digits with two colons: HH:MM:SS. To not include the time in a date string, +will make the function assume 00:00:00. Example: 18:19:21. .TP .B time zone items Specifies international time zone. There are a few acronyms supported, but in @@ -40,41 +41,52 @@ general you should instead use the specific relative time compared to UTC. Supported formats include: -1200, MST, +0100. .TP .B day of the week items -Specifies a day of the week. If this is mentioned alone it means that day of -the week in the future. - -Days of the week may be spelled out in full: `Sunday', `Monday', etc or they -may be abbreviated to their first three letters, optionally followed by a -period. The special abbreviations `Tues' for `Tuesday', `Wednes' for -`Wednesday' and `Thur' or `Thurs' for `Thursday' are also allowed. - -A number may precede a day of the week item to move forward supplementary -weeks. It is best used in expression like `third monday'. In this context, -`last DAY' or `next DAY' is also acceptable; they move one week before or -after the day that DAY by itself would represent. -.TP -.B relative items -A relative item adjusts a date (or the current date if none) forward or -backward. Example syntax includes: "1 year", "1 year ago", "2 days", "4 -weeks". - -The string `tomorrow' is worth one day in the future (equivalent to `day'), -the string `yesterday' is worth one day in the past (equivalent to `day ago'). +Specifies a day of the week. Days of the week may be spelled out in full: +`Sunday', `Monday', etc or they may be abbreviated to their first three +letters. This is usually not info that adds anything. .TP .B pure numbers -If the decimal number is of the form YYYYMMDD and no other calendar date item -appears before it in the date string, then YYYY is read as the year, MM as the -month number and DD as the day of the month, for the specified calendar date. +If a decimal number of the form YYYYMMDD appears, then YYYY is read as the +year, MM as the month number and DD as the day of the month, for the specified +calendar date. .PP +.SH EXAMPLES +.nf +Sun, 06 Nov 1994 08:49:37 GMT +Sunday, 06-Nov-94 08:49:37 GMT +Sun Nov 6 08:49:37 1994 +06 Nov 1994 08:49:37 GMT +06-Nov-94 08:49:37 GMT +Nov 6 08:49:37 1994 +06 Nov 1994 08:49:37 +06-Nov-94 08:49:37 +1994 Nov 6 08:49:37 +GMT 08:49:37 06-Nov-94 Sunday +94 6 Nov 08:49:37 +1994 Nov 6 +06-Nov-94 +Sun Nov 6 94 +1994.Nov.6 +Sun/Nov/6/94/GMT +Sun, 06 Nov 1994 08:49:37 CET +06 Nov 1994 08:49:37 EST +Sun, 12 Sep 2004 15:05:58 -0700 +Sat, 11 Sep 2004 21:32:11 +0200 +20040912 15:05:58 -0700 +20040911 +0200 +.fi +.SH STANDARDS +This parser was written to handle date formats specified in RFC 822 (including +the update in RFC 1123) using time zone name or time zone delta and RFC 850 +(obsoleted by RFC 1036) and ANSI C's asctime() format. These formats are the +only ones RFC2616 says HTTP applications may use. .SH RETURN VALUE -This function returns zero when it fails to parse the date string. Otherwise -it returns the number of seconds as described. -.SH AUTHORS -Originally written by Steven M. Bellovin <smb@research.att.com> while at the -University of North Carolina at Chapel Hill. Later tweaked by a couple of -people on Usenet. Completely overhauled by Rich $alz <rsalz@bbn.com> and Jim -Berets <jberets@bbn.com> in August, 1990. +This function returns -1 when it fails to parse the date string. Otherwise it +returns the number of seconds as described. +.SH REWRITE +The former version of this function was built with yacc and was not only very +large, it was also never quite understood and it wasn't possible to build with +non-GNU tools since only Bison could make it thread-safe! -It has been modified extensively since imported to curl. -.SH "SEE ALSO" -.BR GNU date(1) +The rewrite was done for 7.12.2. The new one is much smaller and use simpler +code. diff --git a/lib/Makefile.am b/lib/Makefile.am index a5579352d..d7f9f7d44 100644 --- a/lib/Makefile.am +++ b/lib/Makefile.am @@ -24,7 +24,7 @@ AUTOMAKE_OPTIONS = foreign nostdinc DSP = curllib.dsp -EXTRA_DIST = getdate.y Makefile.b32 Makefile.m32 \ +EXTRA_DIST = Makefile.b32 Makefile.m32 \ Makefile.vc6 Makefile.riscos libcurl.def $(DSP) curllib.dsw \ config-vms.h config-win32.h config-riscos.h config-mac.h config.h.in \ ca-bundle.crt README.encoding README.memoryleak README.ares \ @@ -33,7 +33,7 @@ EXTRA_DIST = getdate.y Makefile.b32 Makefile.m32 \ makefile.amiga Makefile.netware nwlib.c libcurl.imp \ msvcproj.head msvcproj.foot -CLEANFILES = $(DSP) getdate.c +CLEANFILES = $(DSP) lib_LTLIBRARIES = libcurl.la @@ -93,12 +93,7 @@ libcurl_la_SOURCES = $(CSOURCES) $(HHEADERS) WIN32SOURCES = $(CSOURCES) libcurl.def WIN32HEADERS = $(HHEADERS) config-win32.h -BUILT_SOURCES = $(srcdir)/getdate.c $(top_builddir)/lib/ca-bundle.h - -# Say $(srcdir), so GNU make does not report an ambiguity with the .y.c rule. -$(srcdir)/getdate.c: getdate.y - cd $(srcdir) && $(YACC) $(YFLAGS) getdate.y && \ - sed -e 's:YYSTYPE yylval;:YYSTYPE yylval = {0}; /* post-bison fix */:' < y.tab.c > getdate.c && rm -f y.tab.c +BUILT_SOURCES = $(top_builddir)/lib/ca-bundle.h $(top_builddir)/lib/ca-bundle.h: Makefile.in Makefile @if test -f $@; then \ diff --git a/lib/Makefile.inc b/lib/Makefile.inc index 1885eb92d..2c7fd37b3 100644 --- a/lib/Makefile.inc +++ b/lib/Makefile.inc @@ -2,21 +2,18 @@ CSOURCES = file.c timeval.c base64.c hostip.c progress.c formdata.c \ cookie.c http.c sendf.c ftp.c url.c dict.c if2ip.c speedcheck.c \ - getdate.c ldap.c ssluse.c version.c getenv.c escape.c mprintf.c \ - telnet.c netrc.c getinfo.c transfer.c strequal.c easy.c security.c \ - krb4.c memdebug.c http_chunks.c strtok.c connect.c llist.c hash.c \ - multi.c content_encoding.c share.c http_digest.c md5.c \ - http_negotiate.c http_ntlm.c inet_pton.c strtoofft.c strerror.c \ - hostares.c hostasyn.c hostip4.c hostip6.c hostsyn.c hostthre.c \ - inet_ntop.c + ldap.c ssluse.c version.c getenv.c escape.c mprintf.c telnet.c \ + netrc.c getinfo.c transfer.c strequal.c easy.c security.c krb4.c \ + memdebug.c http_chunks.c strtok.c connect.c llist.c hash.c multi.c \ + content_encoding.c share.c http_digest.c md5.c http_negotiate.c \ + http_ntlm.c inet_pton.c strtoofft.c strerror.c hostares.c hostasyn.c \ + hostip4.c hostip6.c hostsyn.c hostthre.c inet_ntop.c parsedate.c HHEADERS = arpa_telnet.h netrc.h file.h timeval.h base64.h hostip.h \ progress.h formdata.h cookie.h http.h sendf.h ftp.h url.h dict.h \ - if2ip.h speedcheck.h urldata.h getdate.h ldap.h ssluse.h escape.h \ - telnet.h getinfo.h strequal.h security.h krb4.h memdebug.h \ - inet_ntoa_r.h http_chunks.h strtok.h connect.h llist.h hash.h \ - content_encoding.h share.h md5.h http_digest.h http_negotiate.h \ - http_ntlm.h ca-bundle.h inet_pton.h strtoofft.h strerror.h \ - inet_ntop.h curlx.h memory.h setup.h transfer.h - - + if2ip.h speedcheck.h urldata.h ldap.h ssluse.h escape.h telnet.h \ + getinfo.h strequal.h security.h krb4.h memdebug.h inet_ntoa_r.h \ + http_chunks.h strtok.h connect.h llist.h hash.h content_encoding.h \ + share.h md5.h http_digest.h http_negotiate.h http_ntlm.h ca-bundle.h \ + inet_pton.h strtoofft.h strerror.h inet_ntop.h curlx.h memory.h \ + setup.h transfer.h diff --git a/lib/getdate.c.cvs b/lib/getdate.c.cvs deleted file mode 100644 index 0ff63b965..000000000 --- a/lib/getdate.c.cvs +++ /dev/null @@ -1,2469 +0,0 @@ -/* A Bison parser, made by GNU Bison 1.875a. */ - -/* Skeleton parser for Yacc-like parsing with Bison, - Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -/* As a special exception, when this file is copied by Bison into a - Bison output file, you may use that output file without restriction. - This special exception was added by the Free Software Foundation - in version 1.24 of Bison. */ - -/* Written by Richard Stallman by simplifying the original so called - ``semantic'' parser. */ - -/* All symbols defined below should begin with yy or YY, to avoid - infringing on user name space. This should be done even for local - variables, as they might otherwise be expanded by user macros. - There are some unavoidable exceptions within include files to - define necessary library symbols; they are noted "INFRINGES ON - USER NAME SPACE" below. */ - -/* Identify Bison output. */ -#define YYBISON 1 - -/* Skeleton name. */ -#define YYSKELETON_NAME "yacc.c" - -/* Pure parsers. */ -#define YYPURE 1 - -/* Using locations. */ -#define YYLSP_NEEDED 0 - - - -/* Tokens. */ -#ifndef YYTOKENTYPE -# define YYTOKENTYPE - /* Put the tokens into the symbol table, so that GDB and other debuggers - know about them. */ - enum yytokentype { - tAGO = 258, - tDAY = 259, - tDAY_UNIT = 260, - tDAYZONE = 261, - tDST = 262, - tHOUR_UNIT = 263, - tID = 264, - tMERIDIAN = 265, - tMINUTE_UNIT = 266, - tMONTH = 267, - tMONTH_UNIT = 268, - tSEC_UNIT = 269, - tSNUMBER = 270, - tUNUMBER = 271, - tYEAR_UNIT = 272, - tZONE = 273 - }; -#endif -#define tAGO 258 -#define tDAY 259 -#define tDAY_UNIT 260 -#define tDAYZONE 261 -#define tDST 262 -#define tHOUR_UNIT 263 -#define tID 264 -#define tMERIDIAN 265 -#define tMINUTE_UNIT 266 -#define tMONTH 267 -#define tMONTH_UNIT 268 -#define tSEC_UNIT 269 -#define tSNUMBER 270 -#define tUNUMBER 271 -#define tYEAR_UNIT 272 -#define tZONE 273 - - - - -/* Copy the first part of user declarations. */ -#line 1 "getdate.y" - -/* -** Originally written by Steven M. Bellovin <smb@research.att.com> while -** at the University of North Carolina at Chapel Hill. Later tweaked by -** a couple of people on Usenet. Completely overhauled by Rich $alz -** <rsalz@bbn.com> and Jim Berets <jberets@bbn.com> in August, 1990. -** -** This code has been modified since it was included in curl, to make it -** thread-safe and to make compilers complain less about it. -** -** This code is in the public domain and has no copyright. -*/ - -#include "setup.h" - -# ifdef HAVE_ALLOCA_H -# include <alloca.h> -# endif - -# ifdef HAVE_TIME_H -# include <time.h> -# endif - -#ifndef YYDEBUG - /* to satisfy gcc -Wundef, we set this to 0 */ -#define YYDEBUG 0 -#endif - -#ifndef YYSTACK_USE_ALLOCA - /* to satisfy gcc -Wundef, we set this to 0 */ -#define YYSTACK_USE_ALLOCA 0 -#endif - -/* Since the code of getdate.y is not included in the Emacs executable - itself, there is no need to #define static in this file. Even if - the code were included in the Emacs executable, it probably - wouldn't do any harm to #undef it here; this will only cause - problems if we try to write to a static variable, which I don't - think this code needs to do. */ -#ifdef emacs -# undef static -#endif - -#ifdef __APPLE__ -#include <sys/types.h> -#include <sys/malloc.h> -#else - -#endif -#include <string.h> -#include <stdio.h> -#include <ctype.h> - -#if HAVE_STDLIB_H -# include <stdlib.h> /* for `free'; used by Bison 1.27 */ -#else - -#ifdef HAVE_MALLOC_H -#include <malloc.h> -#endif - -#endif - -#if defined (STDC_HEADERS) || (!defined (isascii) && !defined (HAVE_ISASCII)) -# define IN_CTYPE_DOMAIN(c) 1 -#else -# define IN_CTYPE_DOMAIN(c) isascii(c) -#endif - -#define ISSPACE(c) (IN_CTYPE_DOMAIN (c) && isspace (c)) -#define ISALPHA(c) (IN_CTYPE_DOMAIN (c) && isalpha (c)) -#define ISUPPER(c) (IN_CTYPE_DOMAIN (c) && isupper (c)) -#define ISDIGIT_LOCALE(c) (IN_CTYPE_DOMAIN (c) && isdigit (c)) - -/* ISDIGIT differs from ISDIGIT_LOCALE, as follows: - - Its arg may be any int or unsigned int; it need not be an unsigned char. - - It's guaranteed to evaluate its argument exactly once. - - It's typically faster. - Posix 1003.2-1992 section 2.5.2.1 page 50 lines 1556-1558 says that - only '0' through '9' are digits. Prefer ISDIGIT to ISDIGIT_LOCALE unless - it's important to use the locale's definition of `digit' even when the - host does not conform to Posix. */ -#define ISDIGIT(c) ((unsigned) (c) - '0' <= 9) - -#if defined (STDC_HEADERS) || defined (USG) -# include <string.h> -#endif - -#include "memory.h" -/* The last #include file should be: */ -#include "memdebug.h" - -#ifndef YYMAXDEPTH -#define YYMAXDEPTH 0 -#endif - -#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7) -# define __attribute__(x) -#endif - -#ifndef ATTRIBUTE_UNUSED -# define ATTRIBUTE_UNUSED __attribute__ ((__unused__)) -#endif - -/* Some old versions of bison generate parsers that use bcopy. - That loses on systems that don't provide the function, so we have - to redefine it here. */ -#if !defined (HAVE_BCOPY) && defined (HAVE_MEMCPY) && !defined (bcopy) -# define bcopy(from, to, len) memcpy ((to), (from), (len)) -#endif - -/* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc), - as well as gratuitiously global symbol names, so we can have multiple - yacc generated parsers in the same program. Note that these are only - the variables produced by yacc. If other parser generators (bison, - byacc, etc) produce additional global names that conflict at link time, - then those parser generators need to be fixed instead of adding those - names to this list. */ - -#define yymaxdepth Curl_gd_maxdepth -#define yyparse Curl_gd_parse -#define yylex Curl_gd_lex -#define yyerror Curl_gd_error -#define yylval Curl_gd_lval -#define yychar Curl_gd_char -#define yydebug Curl_gd_debug -#define yypact Curl_gd_pact -#define yyr1 Curl_gd_r1 -#define yyr2 Curl_gd_r2 -#define yydef Curl_gd_def -#define yychk Curl_gd_chk -#define yypgo Curl_gd_pgo -#define yyact Curl_gd_act -#define yyexca Curl_gd_exca -#define yyerrflag Curl_gd_errflag -#define yynerrs Curl_gd_nerrs -#define yyps Curl_gd_ps -#define yypv Curl_gd_pv -#define yys Curl_gd_s -#define yy_yys Curl_gd_yys -#define yystate Curl_gd_state -#define yytmp Curl_gd_tmp -#define yyv Curl_gd_v -#define yy_yyv Curl_gd_yyv -#define yyval Curl_gd_val -#define yylloc Curl_gd_lloc -#define yyreds Curl_gd_reds /* With YYDEBUG defined */ -#define yytoks Curl_gd_toks /* With YYDEBUG defined */ -#define yylhs Curl_gd_yylhs -#define yylen Curl_gd_yylen -#define yydefred Curl_gd_yydefred -#define yydgoto Curl_gd_yydgoto -#define yysindex Curl_gd_yysindex -#define yyrindex Curl_gd_yyrindex -#define yygindex Curl_gd_yygindex -#define yytable Curl_gd_yytable -#define yycheck Curl_gd_yycheck - -#define EPOCH 1970 -#define HOUR(x) ((x) * 60) - -#define MAX_BUFF_LEN 128 /* size of buffer to read the date into */ - -/* -** An entry in the lexical lookup table. -*/ -typedef struct _TABLE { - const char *name; - int type; - int value; -} TABLE; - - -/* -** Meridian: am, pm, or 24-hour style. -*/ -typedef enum _MERIDIAN { - MERam, MERpm, MER24 -} MERIDIAN; - -/* parse results and input string */ -typedef struct _CURL_CONTEXT { - const char *yyInput; - int yyDayOrdinal; - int yyDayNumber; - int yyHaveDate; - int yyHaveDay; - int yyHaveRel; - int yyHaveTime; - int yyHaveZone; - int yyTimezone; - int yyDay; - int yyHour; - int yyMinutes; - int yyMonth; - int yySeconds; - int yyYear; - MERIDIAN yyMeridian; - int yyRelDay; - int yyRelHour; - int yyRelMinutes; - int yyRelMonth; - int yyRelSeconds; - int yyRelYear; -} CURL_CONTEXT; - -/* enable use of extra argument to yyparse and yylex which can be used to pass -** in a user defined value (CURL_CONTEXT struct in our case) -*/ -#define YYPARSE_PARAM cookie -#define YYLEX_PARAM cookie -#define context ((CURL_CONTEXT *) cookie) - - -/* Enabling traces. */ -#ifndef YYDEBUG -# define YYDEBUG 0 -#endif - -/* Enabling verbose error messages. */ -#ifdef YYERROR_VERBOSE -# undef YYERROR_VERBOSE -# define YYERROR_VERBOSE 1 -#else -# define YYERROR_VERBOSE 0 -#endif - -#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED) -#line 223 "getdate.y" -typedef union YYSTYPE { - int Number; - enum _MERIDIAN Meridian; -} YYSTYPE; -/* Line 191 of yacc.c. */ -#line 331 "y.tab.c" -# define yystype YYSTYPE /* obsolescent; will be withdrawn */ -# define YYSTYPE_IS_DECLARED 1 -# define YYSTYPE_IS_TRIVIAL 1 -#endif - - - -/* Copy the second part of user declarations. */ -#line 228 "getdate.y" - -static int yylex (YYSTYPE *yylval, void *cookie); -static int yyerror (const char *s); - - -/* Line 214 of yacc.c. */ -#line 347 "y.tab.c" - -#if ! defined (yyoverflow) || YYERROR_VERBOSE - -/* The parser invokes alloca or malloc; define the necessary symbols. */ - -# if YYSTACK_USE_ALLOCA -# define YYSTACK_ALLOC alloca -# else -# ifndef YYSTACK_USE_ALLOCA -# if defined (alloca) || defined (_ALLOCA_H) -# define YYSTACK_ALLOC alloca -# else -# ifdef __GNUC__ -# define YYSTACK_ALLOC __builtin_alloca -# endif -# endif -# endif -# endif - -# ifdef YYSTACK_ALLOC - /* Pacify GCC's `empty if-body' warning. */ -# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) -# else -# if defined (__STDC__) || defined (__cplusplus) -# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ -# define YYSIZE_T size_t -# endif -# define YYSTACK_ALLOC malloc -# define YYSTACK_FREE free -# endif -#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */ - - -#if (! defined (yyoverflow) \ - && (! defined (__cplusplus) \ - || (YYSTYPE_IS_TRIVIAL))) - -/* A type that is properly aligned for any stack member. */ -union yyalloc -{ - short yyss; - YYSTYPE yyvs; - }; - -/* The size of the maximum gap between one aligned stack and the next. */ -# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) - -/* The size of an array large to enough to hold all stacks, each with - N elements. */ -# define YYSTACK_BYTES(N) \ - ((N) * (sizeof (short) + sizeof (YYSTYPE)) \ - + YYSTACK_GAP_MAXIMUM) - -/* Copy COUNT objects from FROM to TO. The source and destination do - not overlap. */ -# ifndef YYCOPY -# if 1 < __GNUC__ -# define YYCOPY(To, From, Count) \ - __builtin_memcpy (To, From, (Count) * sizeof (*(From))) -# else -# define YYCOPY(To, From, Count) \ - do \ - { \ - register YYSIZE_T yyi; \ - for (yyi = 0; yyi < (Count); yyi++) \ - (To)[yyi] = (From)[yyi]; \ - } \ - while (0) -# endif -# endif - -/* Relocate STACK from its old location to the new one. The - local variables YYSIZE and YYSTACKSIZE give the old and new number of - elements in the stack, and YYPTR gives the new location of the - stack. Advance YYPTR to a properly aligned location for the next - stack. */ -# define YYSTACK_RELOCATE(Stack) \ - do \ - { \ - YYSIZE_T yynewbytes; \ - YYCOPY (&yyptr->Stack, Stack, yysize); \ - Stack = &yyptr->Stack; \ - yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ - yyptr += yynewbytes / sizeof (*yyptr); \ - } \ - while (0) - -#endif - -#if defined (__STDC__) || defined (__cplusplus) - typedef signed char yysigned_char; -#else - typedef short yysigned_char; -#endif - -/* YYFINAL -- State number of the termination state. */ -#define YYFINAL 2 -/* YYLAST -- Last index in YYTABLE. */ -#define YYLAST 50 - -/* YYNTOKENS -- Number of terminals. */ -#define YYNTOKENS 22 -/* YYNNTS -- Number of nonterminals. */ -#define YYNNTS 11 -/* YYNRULES -- Number of rules. */ -#define YYNRULES 51 -/* YYNRULES -- Number of states. */ -#define YYNSTATES 61 - -/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ -#define YYUNDEFTOK 2 -#define YYMAXUTOK 273 - -#define YYTRANSLATE(YYX) \ - ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) - -/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ -static const unsigned char yytranslate[] = -{ - 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 20, 2, 2, 21, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 19, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, - 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, - 15, 16, 17, 18 -}; - -#if YYDEBUG -/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in - YYRHS. */ -static const unsigned char yyprhs[] = -{ - 0, 0, 3, 4, 7, 9, 11, 13, 15, 17, - 19, 22, 27, 32, 39, 46, 48, 50, 53, 55, - 58, 61, 65, 71, 75, 79, 82, 87, 90, 94, - 97, 99, 102, 105, 107, 110, 113, 115, 118, 121, - 123, 126, 129, 131, 134, 137, 139, 142, 145, 147, - 149, 150 -}; - -/* YYRHS -- A `-1'-separated list of the rules' RHS. */ -static const yysigned_char yyrhs[] = -{ - 23, 0, -1, -1, 23, 24, -1, 25, -1, 26, - -1, 28, -1, 27, -1, 29, -1, 31, -1, 16, - 10, -1, 16, 19, 16, 32, -1, 16, 19, 16, - 15, -1, 16, 19, 16, 19, 16, 32, -1, 16, - 19, 16, 19, 16, 15, -1, 18, -1, 6, -1, - 18, 7, -1, 4, -1, 4, 20, -1, 16, 4, - -1, 16, 21, 16, -1, 16, 21, 16, 21, 16, - -1, 16, 15, 15, -1, 16, 12, 15, -1, 12, - 16, -1, 12, 16, 20, 16, -1, 16, 12, -1, - 16, 12, 16, -1, 30, 3, -1, 30, -1, 16, - 17, -1, 15, 17, -1, 17, -1, 16, 13, -1, - 15, 13, -1, 13, -1, 16, 5, -1, 15, 5, - -1, 5, -1, 16, 8, -1, 15, 8, -1, 8, - -1, 16, 11, -1, 15, 11, -1, 11, -1, 16, - 14, -1, 15, 14, -1, 14, -1, 16, -1, -1, - 10, -1 -}; - -/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ -static const unsigned short yyrline[] = -{ - 0, 244, 244, 245, 248, 251, 254, 257, 260, 263, - 266, 272, 278, 287, 293, 305, 308, 312, 317, 321, - 325, 331, 335, 353, 359, 365, 369, 374, 378, 385, - 393, 396, 399, 402, 405, 408, 411, 414, 417, 420, - 423, 426, 429, 432, 435, 438, 441, 444, 447, 452, - 487, 490 -}; -#endif - -#if YYDEBUG || YYERROR_VERBOSE -/* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. - First, the terminals, then, starting at YYNTOKENS, nonterminals. */ -static const char *const yytname[] = -{ - "$end", "error", "$undefined", "tAGO", "tDAY", "tDAY_UNIT", "tDAYZONE", - "tDST", "tHOUR_UNIT", "tID", "tMERIDIAN", "tMINUTE_UNIT", "tMONTH", - "tMONTH_UNIT", "tSEC_UNIT", "tSNUMBER", "tUNUMBER", "tYEAR_UNIT", - "tZONE", "':'", "','", "'/'", "$accept", "spec", "item", "time", "zone", - "day", "date", "rel", "relunit", "number", "o_merid", 0 -}; -#endif - -# ifdef YYPRINT -/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to - token YYLEX-NUM. */ -static const unsigned short yytoknum[] = -{ - 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, - 265, 266, 267, 268, 269, 270, 271, 272, 273, 58, - 44, 47 -}; -# endif - -/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ -static const unsigned char yyr1[] = -{ - 0, 22, 23, 23, 24, 24, 24, 24, 24, 24, - 25, 25, 25, 25, 25, 26, 26, 26, 27, 27, - 27, 28, 28, 28, 28, 28, 28, 28, 28, 29, - 29, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 31, - 32, 32 -}; - -/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ -static const unsigned char yyr2[] = -{ - 0, 2, 0, 2, 1, 1, 1, 1, 1, 1, - 2, 4, 4, 6, 6, 1, 1, 2, 1, 2, - 2, 3, 5, 3, 3, 2, 4, 2, 3, 2, - 1, 2, 2, 1, 2, 2, 1, 2, 2, 1, - 2, 2, 1, 2, 2, 1, 2, 2, 1, 1, - 0, 1 -}; - -/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state - STATE-NUM when YYTABLE doesn't specify something else to do. Zero - means the default is an error. */ -static const unsigned char yydefact[] = -{ - 2, 0, 1, 18, 39, 16, 42, 45, 0, 36, - 48, 0, 49, 33, 15, 3, 4, 5, 7, 6, - 8, 30, 9, 19, 25, 38, 41, 44, 35, 47, - 32, 20, 37, 40, 10, 43, 27, 34, 46, 0, - 31, 0, 0, 17, 29, 0, 24, 28, 23, 50, - 21, 26, 51, 12, 0, 11, 0, 50, 22, 14, - 13 -}; - -/* YYDEFGOTO[NTERM-NUM]. */ -static const yysigned_char yydefgoto[] = -{ - -1, 1, 15, 16, 17, 18, 19, 20, 21, 22, - 55 -}; - -/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing - STATE-NUM. */ -#define YYPACT_NINF -20 -static const yysigned_char yypact[] = -{ - -20, 0, -20, -19, -20, -20, -20, -20, -13, -20, - -20, 30, 15, -20, 14, -20, -20, -20, -20, -20, - -20, 19, -20, -20, 4, -20, -20, -20, -20, -20, - -20, -20, -20, -20, -20, -20, -6, -20, -20, 16, - -20, 17, 23, -20, -20, 24, -20, -20, -20, 27, - 28, -20, -20, -20, 29, -20, 32, -8, -20, -20, - -20 -}; - -/* YYPGOTO[NTERM-NUM]. */ -static const yysigned_char yypgoto[] = -{ - -20, -20, -20, -20, -20, -20, -20, -20, -20, -20, - -7 -}; - -/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If - positive, shift that token. If negative, reduce the rule which - number is the opposite. If zero, do what YYDEFACT says. - If YYTABLE_NINF, syntax error. */ -#define YYTABLE_NINF -1 -static const unsigned char yytable[] = -{ - 2, 23, 52, 24, 3, 4, 5, 59, 6, 46, - 47, 7, 8, 9, 10, 11, 12, 13, 14, 31, - 32, 43, 44, 33, 45, 34, 35, 36, 37, 38, - 39, 48, 40, 49, 41, 25, 42, 52, 26, 50, - 51, 27, 53, 28, 29, 57, 54, 30, 58, 56, - 60 -}; - -static const unsigned char yycheck[] = -{ - 0, 20, 10, 16, 4, 5, 6, 15, 8, 15, - 16, 11, 12, 13, 14, 15, 16, 17, 18, 4, - 5, 7, 3, 8, 20, 10, 11, 12, 13, 14, - 15, 15, 17, 16, 19, 5, 21, 10, 8, 16, - 16, 11, 15, 13, 14, 16, 19, 17, 16, 21, - 57 -}; - -/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing - symbol of state STATE-NUM. */ -static const unsigned char yystos[] = -{ - 0, 23, 0, 4, 5, 6, 8, 11, 12, 13, - 14, 15, 16, 17, 18, 24, 25, 26, 27, 28, - 29, 30, 31, 20, 16, 5, 8, 11, 13, 14, - 17, 4, 5, 8, 10, 11, 12, 13, 14, 15, - 17, 19, 21, 7, 3, 20, 15, 16, 15, 16, - 16, 16, 10, 15, 19, 32, 21, 16, 16, 15, - 32 -}; - -#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__) -# define YYSIZE_T __SIZE_TYPE__ -#endif -#if ! defined (YYSIZE_T) && defined (size_t) -# define YYSIZE_T size_t -#endif -#if ! defined (YYSIZE_T) -# if defined (__STDC__) || defined (__cplusplus) -# include <stddef.h> /* INFRINGES ON USER NAME SPACE */ -# define YYSIZE_T size_t -# endif -#endif -#if ! defined (YYSIZE_T) -# define YYSIZE_T unsigned int -#endif - -#define yyerrok (yyerrstatus = 0) -#define yyclearin (yychar = YYEMPTY) -#define YYEMPTY (-2) -#define YYEOF 0 - -#define YYACCEPT goto yyacceptlab -#define YYABORT goto yyabortlab -#define YYERROR goto yyerrlab1 - - -/* Like YYERROR except do call yyerror. This remains here temporarily - to ease the transition to the new meaning of YYERROR, for GCC. - Once GCC version 2 has supplanted version 1, this can go. */ - -#define YYFAIL goto yyerrlab - -#define YYRECOVERING() (!!yyerrstatus) - -#define YYBACKUP(Token, Value) \ -do \ - if (yychar == YYEMPTY && yylen == 1) \ - { \ - yychar = (Token); \ - yylval = (Value); \ - yytoken = YYTRANSLATE (yychar); \ - YYPOPSTACK; \ - goto yybackup; \ - } \ - else \ - { \ - yyerror ("syntax error: cannot back up");\ - YYERROR; \ - } \ -while (0) - -#define YYTERROR 1 -#define YYERRCODE 256 - -/* YYLLOC_DEFAULT -- Compute the default location (before the actions - are run). */ - -#ifndef YYLLOC_DEFAULT -# define YYLLOC_DEFAULT(Current, Rhs, N) \ - Current.first_line = Rhs[1].first_line; \ - Current.first_column = Rhs[1].first_column; \ - Current.last_line = Rhs[N].last_line; \ - Current.last_column = Rhs[N].last_column; -#endif - -/* YYLEX -- calling `yylex' with the right arguments. */ - -#ifdef YYLEX_PARAM -# define YYLEX yylex (&yylval, YYLEX_PARAM) -#else -# define YYLEX yylex (&yylval) -#endif - -/* Enable debugging if requested. */ -#if YYDEBUG - -# ifndef YYFPRINTF -# include <stdio.h> /* INFRINGES ON USER NAME SPACE */ -# define YYFPRINTF fprintf -# endif - -# define YYDPRINTF(Args) \ -do { \ - if (yydebug) \ - YYFPRINTF Args; \ -} while (0) - -# define YYDSYMPRINT(Args) \ -do { \ - if (yydebug) \ - yysymprint Args; \ -} while (0) - -# define YYDSYMPRINTF(Title, Token, Value, Location) \ -do { \ - if (yydebug) \ - { \ - YYFPRINTF (stderr, "%s ", Title); \ - yysymprint (stderr, \ - Token, Value); \ - YYFPRINTF (stderr, "\n"); \ - } \ -} while (0) - -/*------------------------------------------------------------------. -| yy_stack_print -- Print the state stack from its BOTTOM up to its | -| TOP (cinluded). | -`------------------------------------------------------------------*/ - -#if defined (__STDC__) || defined (__cplusplus) -static void -yy_stack_print (short *bottom, short *top) -#else -static void -yy_stack_print (bottom, top) - short *bottom; - short *top; -#endif -{ - YYFPRINTF (stderr, "Stack now"); - for (/* Nothing. */; bottom <= top; ++bottom) - YYFPRINTF (stderr, " %d", *bottom); - YYFPRINTF (stderr, "\n"); -} - -# define YY_STACK_PRINT(Bottom, Top) \ -do { \ - if (yydebug) \ - yy_stack_print ((Bottom), (Top)); \ -} while (0) - - -/*------------------------------------------------. -| Report that the YYRULE is going to be reduced. | -`------------------------------------------------*/ - -#if defined (__STDC__) || defined (__cplusplus) -static void -yy_reduce_print (int yyrule) -#else -static void -yy_reduce_print (yyrule) - int yyrule; -#endif -{ - int yyi; - unsigned int yylineno = yyrline[yyrule]; - YYFPRINTF (stderr, "Reducing stack by rule %d (line %u), ", - yyrule - 1, yylineno); - /* Print the symbols being reduced, and their result. */ - for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++) - YYFPRINTF (stderr, "%s ", yytname [yyrhs[yyi]]); - YYFPRINTF (stderr, "-> %s\n", yytname [yyr1[yyrule]]); -} - -# define YY_REDUCE_PRINT(Rule) \ -do { \ - if (yydebug) \ - yy_reduce_print (Rule); \ -} while (0) - -/* Nonzero means print parse trace. It is left uninitialized so that - multiple parsers can coexist. */ -int yydebug; -#else /* !YYDEBUG */ -# define YYDPRINTF(Args) -# define YYDSYMPRINT(Args) -# define YYDSYMPRINTF(Title, Token, Value, Location) -# define YY_STACK_PRINT(Bottom, Top) -# define YY_REDUCE_PRINT(Rule) -#endif /* !YYDEBUG */ - - -/* YYINITDEPTH -- initial size of the parser's stacks. */ -#ifndef YYINITDEPTH -# define YYINITDEPTH 200 -#endif - -/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only - if the built-in stack extension method is used). - - Do not make this value too large; the results are undefined if - SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH) - evaluated with infinite-precision integer arithmetic. */ - -#if YYMAXDEPTH == 0 -# undef YYMAXDEPTH -#endif - -#ifndef YYMAXDEPTH -# define YYMAXDEPTH 10000 -#endif - - - -#if YYERROR_VERBOSE - -# ifndef yystrlen -# if defined (__GLIBC__) && defined (_STRING_H) -# define yystrlen strlen -# else -/* Return the length of YYSTR. */ -static YYSIZE_T -# if defined (__STDC__) || defined (__cplusplus) -yystrlen (const char *yystr) -# else -yystrlen (yystr) - const char *yystr; -# endif -{ - register const char *yys = yystr; - - while (*yys++ != '\0') - continue; - - return yys - yystr - 1; -} -# endif -# endif - -# ifndef yystpcpy -# if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE) -# define yystpcpy stpcpy -# else -/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in - YYDEST. */ -static char * -# if defined (__STDC__) || defined (__cplusplus) -yystpcpy (char *yydest, const char *yysrc) -# else -yystpcpy (yydest, yysrc) - char *yydest; - const char *yysrc; -# endif -{ - register char *yyd = yydest; - register const char *yys = yysrc; - - while ((*yyd++ = *yys++) != '\0') - continue; - - return yyd - 1; -} -# endif -# endif - -#endif /* !YYERROR_VERBOSE */ - - - -#if YYDEBUG -/*--------------------------------. -| Print this symbol on YYOUTPUT. | -`--------------------------------*/ - -#if defined (__STDC__) || defined (__cplusplus) -static void -yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep) -#else -static void -yysymprint (yyoutput, yytype, yyvaluep) - FILE *yyoutput; - int yytype; - YYSTYPE *yyvaluep; -#endif -{ - /* Pacify ``unused variable'' warnings. */ - (void) yyvaluep; - - if (yytype < YYNTOKENS) - { - YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); -# ifdef YYPRINT - YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); -# endif - } - else - YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); - - switch (yytype) - { - default: - break; - } - YYFPRINTF (yyoutput, ")"); -} - -#endif /* ! YYDEBUG */ -/*-----------------------------------------------. -| Release the memory associated to this symbol. | -`-----------------------------------------------*/ - -#if defined (__STDC__) || defined (__cplusplus) -static void -yydestruct (int yytype, YYSTYPE *yyvaluep) -#else -static void -yydestruct (yytype, yyvaluep) - int yytype; - YYSTYPE *yyvaluep; -#endif -{ - /* Pacify ``unused variable'' warnings. */ - (void) yyvaluep; - - switch (yytype) - { - - default: - break; - } -} - - -/* Prevent warnings from -Wmissing-prototypes. */ - -#ifdef YYPARSE_PARAM -# if defined (__STDC__) || defined (__cplusplus) -int yyparse (void *YYPARSE_PARAM); -# else -int yyparse (); -# endif -#else /* ! YYPARSE_PARAM */ -#if defined (__STDC__) || defined (__cplusplus) -int yyparse (void); -#else -int yyparse (); -#endif -#endif /* ! YYPARSE_PARAM */ - - - - - - -/*----------. -| yyparse. | -`----------*/ - -#ifdef YYPARSE_PARAM -# if defined (__STDC__) || defined (__cplusplus) -int yyparse (void *YYPARSE_PARAM) -# else -int yyparse (YYPARSE_PARAM) - void *YYPARSE_PARAM; -# endif -#else /* ! YYPARSE_PARAM */ -#if defined (__STDC__) || defined (__cplusplus) -int -yyparse (void) -#else -int -yyparse () - -#endif -#endif -{ - /* The lookahead symbol. */ -int yychar; - -/* The semantic value of the lookahead symbol. */ -YYSTYPE yylval; - -/* Number of syntax errors so far. */ -int yynerrs; - - register int yystate; - register int yyn; - int yyresult; - /* Number of tokens to shift before error messages enabled. */ - int yyerrstatus; - /* Lookahead token as an internal (translated) token number. */ - int yytoken = 0; - - /* Three stacks and their tools: - `yyss': related to states, - `yyvs': related to semantic values, - `yyls': related to locations. - - Refer to the stacks thru separate pointers, to allow yyoverflow - to reallocate them elsewhere. */ - - /* The state stack. */ - short yyssa[YYINITDEPTH]; - short *yyss = yyssa; - register short *yyssp; - - /* The semantic value stack. */ - YYSTYPE yyvsa[YYINITDEPTH]; - YYSTYPE *yyvs = yyvsa; - register YYSTYPE *yyvsp; - - - -#define YYPOPSTACK (yyvsp--, yyssp--) - - YYSIZE_T yystacksize = YYINITDEPTH; - - /* The variables used to return semantic value and location from the - action routines. */ - YYSTYPE yyval; - - - /* When reducing, the number of symbols on the RHS of the reduced - rule. */ - int yylen; - - YYDPRINTF ((stderr, "Starting parse\n")); - - yystate = 0; - yyerrstatus = 0; - yynerrs = 0; - yychar = YYEMPTY; /* Cause a token to be read. */ - - /* Initialize stack pointers. - Waste one element of value and location stack - so that they stay on the same level as the state stack. - The wasted elements are never initialized. */ - - yyssp = yyss; - yyvsp = yyvs; - - goto yysetstate; - -/*------------------------------------------------------------. -| yynewstate -- Push a new state, which is found in yystate. | -`------------------------------------------------------------*/ - yynewstate: - /* In all cases, when you get here, the value and location stacks - have just been pushed. so pushing a state here evens the stacks. - */ - yyssp++; - - yysetstate: - *yyssp = yystate; - - if (yyss + yystacksize - 1 <= yyssp) - { - /* Get the current used size of the three stacks, in elements. */ - YYSIZE_T yysize = yyssp - yyss + 1; - -#ifdef yyoverflow - { - /* Give user a chance to reallocate the stack. Use copies of - these so that the &'s don't force the real ones into - memory. */ - YYSTYPE *yyvs1 = yyvs; - short *yyss1 = yyss; - - - /* Each stack pointer address is followed by the size of the - data in use in that stack, in bytes. This used to be a - conditional around just the two extra args, but that might - be undefined if yyoverflow is a macro. */ - yyoverflow ("parser stack overflow", - &yyss1, yysize * sizeof (*yyssp), - &yyvs1, yysize * sizeof (*yyvsp), - - &yystacksize); - - yyss = yyss1; - yyvs = yyvs1; - } -#else /* no yyoverflow */ -# ifndef YYSTACK_RELOCATE - goto yyoverflowlab; -# else - /* Extend the stack our own way. */ - if (YYMAXDEPTH <= yystacksize) - goto yyoverflowlab; - yystacksize *= 2; - if (YYMAXDEPTH < yystacksize) - yystacksize = YYMAXDEPTH; - - { - short *yyss1 = yyss; - union yyalloc *yyptr = - (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); - if (! yyptr) - goto yyoverflowlab; - YYSTACK_RELOCATE (yyss); - YYSTACK_RELOCATE (yyvs); - -# undef YYSTACK_RELOCATE - if (yyss1 != yyssa) - YYSTACK_FREE (yyss1); - } -# endif -#endif /* no yyoverflow */ - - yyssp = yyss + yysize - 1; - yyvsp = yyvs + yysize - 1; - - - YYDPRINTF ((stderr, "Stack size increased to %lu\n", - (unsigned long int) yystacksize)); - - if (yyss + yystacksize - 1 <= yyssp) - YYABORT; - } - - YYDPRINTF ((stderr, "Entering state %d\n", yystate)); - - goto yybackup; - -/*-----------. -| yybackup. | -`-----------*/ -yybackup: - -/* Do appropriate processing given the current state. */ -/* Read a lookahead token if we need one and don't already have one. */ -/* yyresume: */ - - /* First try to decide what to do without reference to lookahead token. */ - - yyn = yypact[yystate]; - if (yyn == YYPACT_NINF) - goto yydefault; - - /* Not known => get a lookahead token if don't already have one. */ - - /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ - if (yychar == YYEMPTY) - { - YYDPRINTF ((stderr, "Reading a token: ")); - yychar = YYLEX; - } - - if (yychar <= YYEOF) - { - yychar = yytoken = YYEOF; - YYDPRINTF ((stderr, "Now at end of input.\n")); - } - else - { - yytoken = YYTRANSLATE (yychar); - YYDSYMPRINTF ("Next token is", yytoken, &yylval, &yylloc); - } - - /* If the proper action on seeing token YYTOKEN is to reduce or to - detect an error, take that action. */ - yyn += yytoken; - if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) - goto yydefault; - yyn = yytable[yyn]; - if (yyn <= 0) - { - if (yyn == 0 || yyn == YYTABLE_NINF) - goto yyerrlab; - yyn = -yyn; - goto yyreduce; - } - - if (yyn == YYFINAL) - YYACCEPT; - - /* Shift the lookahead token. */ - YYDPRINTF ((stderr, "Shifting token %s, ", yytname[yytoken])); - - /* Discard the token being shifted unless it is eof. */ - if (yychar != YYEOF) - yychar = YYEMPTY; - - *++yyvsp = yylval; - - - /* Count tokens shifted since error; after three, turn off error - status. */ - if (yyerrstatus) - yyerrstatus--; - - yystate = yyn; - goto yynewstate; - - -/*-----------------------------------------------------------. -| yydefault -- do the default action for the current state. | -`-----------------------------------------------------------*/ -yydefault: - yyn = yydefact[yystate]; - if (yyn == 0) - goto yyerrlab; - goto yyreduce; - - -/*-----------------------------. -| yyreduce -- Do a reduction. | -`-----------------------------*/ -yyreduce: - /* yyn is the number of a rule to reduce with. */ - yylen = yyr2[yyn]; - - /* If YYLEN is nonzero, implement the default value of the action: - `$$ = $1'. - - Otherwise, the following line sets YYVAL to garbage. - This behavior is undocumented and Bison - users should not rely upon it. Assigning to YYVAL - unconditionally makes the parser a bit smaller, and it avoids a - GCC warning that YYVAL may be used uninitialized. */ - yyval = yyvsp[1-yylen]; - - - YY_REDUCE_PRINT (yyn); - switch (yyn) - { - case 4: -#line 248 "getdate.y" - { - context->yyHaveTime++; - } - break; - - case 5: -#line 251 "getdate.y" - { - context->yyHaveZone++; - } - break; - - case 6: -#line 254 "getdate.y" - { - context->yyHaveDate++; - } - break; - - case 7: -#line 257 "getdate.y" - { - context->yyHaveDay++; - } - break; - - case 8: -#line 260 "getdate.y" - { - context->yyHaveRel++; - } - break; - - case 10: -#line 266 "getdate.y" - { - context->yyHour = yyvsp[-1].Number; - context->yyMinutes = 0; - context->yySeconds = 0; - context->yyMeridian = yyvsp[0].Meridian; - } - break; - - case 11: -#line 272 "getdate.y" - { - context->yyHour = yyvsp[-3].Number; - context->yyMinutes = yyvsp[-1].Number; - context->yySeconds = 0; - context->yyMeridian = yyvsp[0].Meridian; - } - break; - - case 12: -#line 278 "getdate.y" - { - context->yyHour = yyvsp[-3].Number; - context->yyMinutes = yyvsp[-1].Number; - context->yyMeridian = MER24; - context->yyHaveZone++; - context->yyTimezone = (yyvsp[0].Number < 0 - ? -yyvsp[0].Number % 100 + (-yyvsp[0].Number / 100) * 60 - : - (yyvsp[0].Number % 100 + (yyvsp[0].Number / 100) * 60)); - } - break; - - case 13: -#line 287 "getdate.y" - { - context->yyHour = yyvsp[-5].Number; - context->yyMinutes = yyvsp[-3].Number; - context->yySeconds = yyvsp[-1].Number; - context->yyMeridian = yyvsp[0].Meridian; - } - break; - - case 14: -#line 293 "getdate.y" - { - context->yyHour = yyvsp[-5].Number; - context->yyMinutes = yyvsp[-3].Number; - context->yySeconds = yyvsp[-1].Number; - context->yyMeridian = MER24; - context->yyHaveZone++; - context->yyTimezone = (yyvsp[0].Number < 0 - ? -yyvsp[0].Number % 100 + (-yyvsp[0].Number / 100) * 60 - : - (yyvsp[0].Number % 100 + (yyvsp[0].Number / 100) * 60)); - } - break; - - case 15: -#line 305 "getdate.y" - { - context->yyTimezone = yyvsp[0].Number; - } - break; - - case 16: -#line 308 "getdate.y" - { - context->yyTimezone = yyvsp[0].Number - 60; - } - break; - - case 17: -#line 312 "getdate.y" - { - context->yyTimezone = yyvsp[-1].Number - 60; - } - break; - - case 18: -#line 317 "getdate.y" - { - context->yyDayOrdinal = 1; - context->yyDayNumber = yyvsp[0].Number; - } - break; - - case 19: -#line 321 "getdate.y" - { - context->yyDayOrdinal = 1; - context->yyDayNumber = yyvsp[-1].Number; - } - break; - - case 20: -#line 325 "getdate.y" - { - context->yyDayOrdinal = yyvsp[-1].Number; - context->yyDayNumber = yyvsp[0].Number; - } - break; - - case 21: -#line 331 "getdate.y" - { - context->yyMonth = yyvsp[-2].Number; - context->yyDay = yyvsp[0].Number; - } - break; - - case 22: -#line 335 "getdate.y" - { - /* Interpret as YYYY/MM/DD if $1 >= 1000, otherwise as MM/DD/YY. - The goal in recognizing YYYY/MM/DD is solely to support legacy - machine-generated dates like those in an RCS log listing. If - you want portability, use the ISO 8601 format. */ - if (yyvsp[-4].Number >= 1000) - { - context->yyYear = yyvsp[-4].Number; - context->yyMonth = yyvsp[-2].Number; - context->yyDay = yyvsp[0].Number; - } - else - { - context->yyMonth = yyvsp[-4].Number; - context->yyDay = yyvsp[-2].Number; - context->yyYear = yyvsp[0].Number; - } - } - break; - - case 23: -#line 353 "getdate.y" - { - /* ISO 8601 format. yyyy-mm-dd. */ - context->yyYear = yyvsp[-2].Number; - context->yyMonth = -yyvsp[-1].Number; - context->yyDay = -yyvsp[0].Number; - } - break; - - case 24: -#line 359 "getdate.y" - { - /* e.g. 17-JUN-1992. */ - context->yyDay = yyvsp[-2].Number; - context->yyMonth = yyvsp[-1].Number; - context->yyYear = -yyvsp[0].Number; - } - break; - - case 25: -#line 365 "getdate.y" - { - context->yyMonth = yyvsp[-1].Number; - context->yyDay = yyvsp[0].Number; - } - break; - - case 26: -#line 369 "getdate.y" - { - context->yyMonth = yyvsp[-3].Number; - context->yyDay = yyvsp[-2].Number; - context->yyYear = yyvsp[0].Number; - } - break; - - case 27: -#line 374 "getdate.y" - { - context->yyMonth = yyvsp[0].Number; - context->yyDay = yyvsp[-1].Number; - } - break; - - case 28: -#line 378 "getdate.y" - { - context->yyMonth = yyvsp[-1].Number; - context->yyDay = yyvsp[-2].Number; - context->yyYear = yyvsp[0].Number; - } - break; - - case 29: -#line 385 "getdate.y" - { - context->yyRelSeconds = -context->yyRelSeconds; - context->yyRelMinutes = -context->yyRelMinutes; - context->yyRelHour = -context->yyRelHour; - context->yyRelDay = -context->yyRelDay; - context->yyRelMonth = -context->yyRelMonth; - context->yyRelYear = -context->yyRelYear; - } - break; - - case 31: -#line 396 "getdate.y" - { - context->yyRelYear += yyvsp[-1].Number * yyvsp[0].Number; - } - break; - - case 32: -#line 399 "getdate.y" - { - context->yyRelYear += yyvsp[-1].Number * yyvsp[0].Number; - } - break; - - case 33: -#line 402 "getdate.y" - { - context->yyRelYear += yyvsp[0].Number; - } - break; - - case 34: -#line 405 "getdate.y" - { - context->yyRelMonth += yyvsp[-1].Number * yyvsp[0].Number; - } - break; - - case 35: -#line 408 "getdate.y" - { - context->yyRelMonth += yyvsp[-1].Number * yyvsp[0].Number; - } - break; - - case 36: -#line 411 "getdate.y" - { - context->yyRelMonth += yyvsp[0].Number; - } - break; - - case 37: -#line 414 "getdate.y" - { - context->yyRelDay += yyvsp[-1].Number * yyvsp[0].Number; - } - break; - - case 38: -#line 417 "getdate.y" - { - context->yyRelDay += yyvsp[-1].Number * yyvsp[0].Number; - } - break; - - case 39: -#line 420 "getdate.y" - { - context->yyRelDay += yyvsp[0].Number; - } - break; - - case 40: -#line 423 "getdate.y" - { - context->yyRelHour += yyvsp[-1].Number * yyvsp[0].Number; - } - break; - - case 41: -#line 426 "getdate.y" - { - context->yyRelHour += yyvsp[-1].Number * yyvsp[0].Number; - } - break; - - case 42: -#line 429 "getdate.y" - { - context->yyRelHour += yyvsp[0].Number; - } - break; - - case 43: -#line 432 "getdate.y" - { - context->yyRelMinutes += yyvsp[-1].Number * yyvsp[0].Number; - } - break; - - case 44: -#line 435 "getdate.y" - { - context->yyRelMinutes += yyvsp[-1].Number * yyvsp[0].Number; - } - break; - - case 45: -#line 438 "getdate.y" - { - context->yyRelMinutes += yyvsp[0].Number; - } - break; - - case 46: -#line 441 "getdate.y" - { - context->yyRelSeconds += yyvsp[-1].Number * yyvsp[0].Number; - } - break; - - case 47: -#line 444 "getdate.y" - { - context->yyRelSeconds += yyvsp[-1].Number * yyvsp[0].Number; - } - break; - - case 48: -#line 447 "getdate.y" - { - context->yyRelSeconds += yyvsp[0].Number; - } - break; - - case 49: -#line 453 "getdate.y" - { - if (context->yyHaveTime && context->yyHaveDate && - !context->yyHaveRel) - context->yyYear = yyvsp[0].Number; - else - { - if (yyvsp[0].Number>10000) - { - context->yyHaveDate++; - context->yyDay= (yyvsp[0].Number)%100; - context->yyMonth= (yyvsp[0].Number/100)%100; - context->yyYear = yyvsp[0].Number/10000; - } - else - { - context->yyHaveTime++; - if (yyvsp[0].Number < 100) - { - context->yyHour = yyvsp[0].Number; - context->yyMinutes = 0; - } - else - { - context->yyHour = yyvsp[0].Number / 100; - context->yyMinutes = yyvsp[0].Number % 100; - } - context->yySeconds = 0; - context->yyMeridian = MER24; - } - } - } - break; - - case 50: -#line 487 "getdate.y" - { - yyval.Meridian = MER24; - } - break; - - case 51: -#line 491 "getdate.y" - { - yyval.Meridian = yyvsp[0].Meridian; - } - break; - - - } - -/* Line 999 of yacc.c. */ -#line 1688 "y.tab.c" - - yyvsp -= yylen; - yyssp -= yylen; - - - YY_STACK_PRINT (yyss, yyssp); - - *++yyvsp = yyval; - - - /* Now `shift' the result of the reduction. Determine what state - that goes to, based on the state we popped back to and the rule - number reduced by. */ - - yyn = yyr1[yyn]; - - yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; - if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) - yystate = yytable[yystate]; - else - yystate = yydefgoto[yyn - YYNTOKENS]; - - goto yynewstate; - - -/*------------------------------------. -| yyerrlab -- here on detecting error | -`------------------------------------*/ -yyerrlab: - /* If not already recovering from an error, report this error. */ - if (!yyerrstatus) - { - ++yynerrs; -#if YYERROR_VERBOSE - yyn = yypact[yystate]; - - if (YYPACT_NINF < yyn && yyn < YYLAST) - { - YYSIZE_T yysize = 0; - int yytype = YYTRANSLATE (yychar); - char *yymsg; - int yyx, yycount; - - yycount = 0; - /* Start YYX at -YYN if negative to avoid negative indexes in - YYCHECK. */ - for (yyx = yyn < 0 ? -yyn : 0; - yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++) - if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) - yysize += yystrlen (yytname[yyx]) + 15, yycount++; - yysize += yystrlen ("syntax error, unexpected ") + 1; - yysize += yystrlen (yytname[yytype]); - yymsg = (char *) YYSTACK_ALLOC (yysize); - if (yymsg != 0) - { - char *yyp = yystpcpy (yymsg, "syntax error, unexpected "); - yyp = yystpcpy (yyp, yytname[yytype]); - - if (yycount < 5) - { - yycount = 0; - for (yyx = yyn < 0 ? -yyn : 0; - yyx < (int) (sizeof (yytname) / sizeof (char *)); - yyx++) - if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) - { - const char *yyq = ! yycount ? ", expecting " : " or "; - yyp = yystpcpy (yyp, yyq); - yyp = yystpcpy (yyp, yytname[yyx]); - yycount++; - } - } - yyerror (yymsg); - YYSTACK_FREE (yymsg); - } - else - yyerror ("syntax error; also virtual memory exhausted"); - } - else -#endif /* YYERROR_VERBOSE */ - yyerror ("syntax error"); - } - - - - if (yyerrstatus == 3) - { - /* If just tried and failed to reuse lookahead token after an - error, discard it. */ - - /* Return failure if at end of input. */ - if (yychar == YYEOF) - { - /* Pop the error token. */ - YYPOPSTACK; - /* Pop the rest of the stack. */ - while (yyss < yyssp) - { - YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp); - yydestruct (yystos[*yyssp], yyvsp); - YYPOPSTACK; - } - YYABORT; - } - - YYDSYMPRINTF ("Error: discarding", yytoken, &yylval, &yylloc); - yydestruct (yytoken, &yylval); - yychar = YYEMPTY; - - } - - /* Else will try to reuse lookahead token after shifting the error - token. */ - goto yyerrlab1; - - -/*----------------------------------------------------. -| yyerrlab1 -- error raised explicitly by an action. | -`----------------------------------------------------*/ -yyerrlab1: - yyerrstatus = 3; /* Each real token shifted decrements this. */ - - for (;;) - { - yyn = yypact[yystate]; - if (yyn != YYPACT_NINF) - { - yyn += YYTERROR; - if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) - { - yyn = yytable[yyn]; - if (0 < yyn) - break; - } - } - - /* Pop the current state because it cannot handle the error token. */ - if (yyssp == yyss) - YYABORT; - - YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp); - yydestruct (yystos[yystate], yyvsp); - yyvsp--; - yystate = *--yyssp; - - YY_STACK_PRINT (yyss, yyssp); - } - - if (yyn == YYFINAL) - YYACCEPT; - - YYDPRINTF ((stderr, "Shifting error token, ")); - - *++yyvsp = yylval; - - - yystate = yyn; - goto yynewstate; - - -/*-------------------------------------. -| yyacceptlab -- YYACCEPT comes here. | -`-------------------------------------*/ -yyacceptlab: - yyresult = 0; - goto yyreturn; - -/*-----------------------------------. -| yyabortlab -- YYABORT comes here. | -`-----------------------------------*/ -yyabortlab: - yyresult = 1; - goto yyreturn; - -#ifndef yyoverflow -/*----------------------------------------------. -| yyoverflowlab -- parser overflow comes here. | -`----------------------------------------------*/ -yyoverflowlab: - yyerror ("parser stack overflow"); - yyresult = 2; - /* Fall through. */ -#endif - -yyreturn: -#ifndef yyoverflow - if (yyss != yyssa) - YYSTACK_FREE (yyss); -#endif - return yyresult; -} - - -#line 496 "getdate.y" - - -/* Include this file down here because bison inserts code above which - may define-away `const'. We want the prototype for get_date to have - the same signature as the function definition does. */ -#include "getdate.h" - -#ifndef WIN32 /* the windows dudes don't need these, does anyone really? */ -extern struct tm *gmtime (const time_t *); -extern struct tm *localtime (const time_t *); -extern time_t mktime (struct tm *); -#endif - -/* Month and day table. */ -static TABLE const MonthDayTable[] = { - { "january", tMONTH, 1 }, - { "february", tMONTH, 2 }, - { "march", tMONTH, 3 }, - { "april", tMONTH, 4 }, - { "may", tMONTH, 5 }, - { "june", tMONTH, 6 }, - { "july", tMONTH, 7 }, - { "august", tMONTH, 8 }, - { "september", tMONTH, 9 }, - { "sept", tMONTH, 9 }, - { "october", tMONTH, 10 }, - { "november", tMONTH, 11 }, - { "december", tMONTH, 12 }, - { "sunday", tDAY, 0 }, - { "monday", tDAY, 1 }, - { "tuesday", tDAY, 2 }, - { "tues", tDAY, 2 }, - { "wednesday", tDAY, 3 }, - { "wednes", tDAY, 3 }, - { "thursday", tDAY, 4 }, - { "thur", tDAY, 4 }, - { "thurs", tDAY, 4 }, - { "friday", tDAY, 5 }, - { "saturday", tDAY, 6 }, - { NULL, 0, 0 } -}; - -/* Time units table. */ -static TABLE const UnitsTable[] = { - { "year", tYEAR_UNIT, 1 }, - { "month", tMONTH_UNIT, 1 }, - { "fortnight", tDAY_UNIT, 14 }, - { "week", tDAY_UNIT, 7 }, - { "day", tDAY_UNIT, 1 }, - { "hour", tHOUR_UNIT, 1 }, - { "minute", tMINUTE_UNIT, 1 }, - { "min", tMINUTE_UNIT, 1 }, - { "second", tSEC_UNIT, 1 }, - { "sec", tSEC_UNIT, 1 }, - { NULL, 0, 0 } -}; - -/* Assorted relative-time words. */ -static TABLE const OtherTable[] = { - { "tomorrow", tMINUTE_UNIT, 1 * 24 * 60 }, - { "yesterday", tMINUTE_UNIT, -1 * 24 * 60 }, - { "today", tMINUTE_UNIT, 0 }, - { "now", tMINUTE_UNIT, 0 }, - { "last", tUNUMBER, -1 }, - { "this", tMINUTE_UNIT, 0 }, - { "next", tUNUMBER, 1 }, - { "first", tUNUMBER, 1 }, -/* { "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, 0, 0 } -}; - -/* The timezone table. */ -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 */ - { "mesz", 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 Standard, 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, 0, 0 } -}; - -/* 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, 0, 0 } -}; - - - - -/* ARGSUSED */ -static int -yyerror (const char *s ATTRIBUTE_UNUSED) -{ - return 0; -} - -static int -ToHour (int Hours, MERIDIAN Meridian) -{ - switch (Meridian) - { - case MER24: - if (Hours < 0 || Hours > 23) - return -1; - return Hours; - case MERam: - if (Hours < 1 || Hours > 12) - return -1; - if (Hours == 12) - Hours = 0; - return Hours; - case MERpm: - if (Hours < 1 || Hours > 12) - return -1; - if (Hours == 12) - Hours = 0; - return Hours + 12; - default: - break; /* used to do abort() here */ - } - /* NOTREACHED - but make gcc happy! */ - return -1; -} - -static int -ToYear (int Year) -{ - if (Year < 0) - Year = -Year; - - /* XPG4 suggests that years 00-68 map to 2000-2068, and - years 69-99 map to 1969-1999. */ - if (Year < 69) - Year += 2000; - else if (Year < 100) - Year += 1900; - - return Year; -} - -static int -LookupWord (YYSTYPE *yylval, char *buff) -{ - char *p; - char *q; - const TABLE *tp; - size_t i; - int abbrev; - - /* Make it lowercase. */ - for (p = buff; *p; p++) - if (ISUPPER ((unsigned char) *p)) - *p = tolower ((int)*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 (YYSTYPE *yylval, void *cookie) -{ - register unsigned char c; - register char *p; - char buff[20]; - int Count; - int sign; - - for (;;) - { - while (ISSPACE ((unsigned char) *context->yyInput)) - context->yyInput++; - - if (ISDIGIT (c = *context->yyInput) || c == '-' || c == '+') - { - if (c == '-' || c == '+') - { - sign = c == '-' ? -1 : 1; - if (!ISDIGIT (*++context->yyInput)) - /* skip the '-' sign */ - continue; - } - else - sign = 0; - for (yylval->Number = 0; ISDIGIT (c = *context->yyInput++);) - yylval->Number = 10 * yylval->Number + c - '0'; - context->yyInput--; - if (sign < 0) - yylval->Number = -yylval->Number; - return sign ? tSNUMBER : tUNUMBER; - } - if (ISALPHA (c)) - { - for (p = buff; (c = *context->yyInput++, ISALPHA (c)) || c == '.';) - if (p < &buff[sizeof buff - 1]) - *p++ = c; - *p = '\0'; - context->yyInput--; - return LookupWord (yylval, buff); - } - if (c != '(') - return *context->yyInput++; - Count = 0; - do - { - c = *context->yyInput++; - if (c == '\0') - return c; - if (c == '(') - Count++; - else if (c == ')') - Count--; - } - while (Count > 0); - } -} - -#define TM_YEAR_ORIGIN 1900 - -/* Yield A - B, measured in seconds. */ -static long -difftm (struct tm *a, struct tm *b) -{ - int ay = a->tm_year + (TM_YEAR_ORIGIN - 1); - int by = b->tm_year + (TM_YEAR_ORIGIN - 1); - long days = ( - /* difference in day of year */ - a->tm_yday - b->tm_yday - /* + intervening leap days */ - + ((ay >> 2) - (by >> 2)) - - (ay / 100 - by / 100) - + ((ay / 100 >> 2) - (by / 100 >> 2)) - /* + difference in years * 365 */ - + (long) (ay - by) * 365 - ); - return (60 * (60 * (24 * days + (a->tm_hour - b->tm_hour)) - + (a->tm_min - b->tm_min)) - + (a->tm_sec - b->tm_sec)); -} - -time_t -curl_getdate (const char *p, const time_t *now) -{ - struct tm tm, tm0, *tmp; - time_t Start; - CURL_CONTEXT cookie; -#ifdef HAVE_LOCALTIME_R - struct tm keeptime; -#endif - cookie.yyInput = p; - Start = now ? *now : time ((time_t *) NULL); -#ifdef HAVE_LOCALTIME_R - tmp = (struct tm *)localtime_r(&Start, &keeptime); -#else - tmp = localtime (&Start); -#endif - if (!tmp) - return -1; - cookie.yyYear = tmp->tm_year + TM_YEAR_ORIGIN; - cookie.yyMonth = tmp->tm_mon + 1; - cookie.yyDay = tmp->tm_mday; - cookie.yyHour = tmp->tm_hour; - cookie.yyMinutes = tmp->tm_min; - cookie.yySeconds = tmp->tm_sec; - tm.tm_isdst = tmp->tm_isdst; - cookie.yyMeridian = MER24; - cookie.yyRelSeconds = 0; - cookie.yyRelMinutes = 0; - cookie.yyRelHour = 0; - cookie.yyRelDay = 0; - cookie.yyRelMonth = 0; - cookie.yyRelYear = 0; - cookie.yyHaveDate = 0; - cookie.yyHaveDay = 0; - cookie.yyHaveRel = 0; - cookie.yyHaveTime = 0; - cookie.yyHaveZone = 0; - - if (yyparse (&cookie) - || cookie.yyHaveTime > 1 || cookie.yyHaveZone > 1 || - cookie.yyHaveDate > 1 || cookie.yyHaveDay > 1) - return -1; - - tm.tm_year = ToYear (cookie.yyYear) - TM_YEAR_ORIGIN + cookie.yyRelYear; - tm.tm_mon = cookie.yyMonth - 1 + cookie.yyRelMonth; - tm.tm_mday = cookie.yyDay + cookie.yyRelDay; - if (cookie.yyHaveTime || - (cookie.yyHaveRel && !cookie.yyHaveDate && !cookie.yyHaveDay)) - { - tm.tm_hour = ToHour (cookie.yyHour, cookie.yyMeridian); - if (tm.tm_hour < 0) - return -1; - tm.tm_min = cookie.yyMinutes; - tm.tm_sec = cookie.yySeconds; - } - else - { - tm.tm_hour = tm.tm_min = tm.tm_sec = 0; - } - tm.tm_hour += cookie.yyRelHour; - tm.tm_min += cookie.yyRelMinutes; - tm.tm_sec += cookie.yyRelSeconds; - - /* Let mktime deduce tm_isdst if we have an absolute timestamp, - or if the relative timestamp mentions days, months, or years. */ - if (cookie.yyHaveDate | cookie.yyHaveDay | cookie.yyHaveTime | - cookie.yyRelDay | cookie.yyRelMonth | cookie.yyRelYear) - tm.tm_isdst = -1; - - tm0 = tm; - - Start = mktime (&tm); - - if (Start == (time_t) -1) - { - - /* Guard against falsely reporting errors near the time_t boundaries - when parsing times in other time zones. For example, if the min - time_t value is 1970-01-01 00:00:00 UTC and we are 8 hours ahead - of UTC, then the min localtime value is 1970-01-01 08:00:00; if - we apply mktime to 1970-01-01 00:00:00 we will get an error, so - we apply mktime to 1970-01-02 08:00:00 instead and adjust the time - zone by 24 hours to compensate. This algorithm assumes that - there is no DST transition within a day of the time_t boundaries. */ - if (cookie.yyHaveZone) - { - tm = tm0; - if (tm.tm_year <= EPOCH - TM_YEAR_ORIGIN) - { - tm.tm_mday++; - cookie.yyTimezone -= 24 * 60; - } - else - { - tm.tm_mday--; - cookie.yyTimezone += 24 * 60; - } - Start = mktime (&tm); - } - - if (Start == (time_t) -1) - return Start; - } - - if (cookie.yyHaveDay && !cookie.yyHaveDate) - { - tm.tm_mday += ((cookie.yyDayNumber - tm.tm_wday + 7) % 7 - + 7 * (cookie.yyDayOrdinal - (0 < cookie.yyDayOrdinal))); - Start = mktime (&tm); - if (Start == (time_t) -1) - return Start; - } - - if (cookie.yyHaveZone) - { - long delta; - struct tm *gmt; -#ifdef HAVE_GMTIME_R - /* thread-safe version */ - struct tm keeptime2; - gmt = (struct tm *)gmtime_r(&Start, &keeptime2); -#else - gmt = gmtime(&Start); -#endif - if (!gmt) - return -1; - delta = cookie.yyTimezone * 60L + difftm (&tm, gmt); - if ((Start + delta < Start) != (delta < 0)) - return -1; /* time_t overflow */ - Start += delta; - } - - return Start; -} - - diff --git a/lib/getdate.h b/lib/getdate.h deleted file mode 100644 index 85650e3a0..000000000 --- a/lib/getdate.h +++ /dev/null @@ -1,37 +0,0 @@ -/* -** Originally written by Steven M. Bellovin <smb@research.att.com> while -** at the University of North Carolina at Chapel Hill. Later tweaked by -** a couple of people on Usenet. Completely overhauled by Rich $alz -** <rsalz@bbn.com> and Jim Berets <jberets@bbn.com> in August, 1990. -** -** This code is in the public domain and has no copyright. -*/ - -# include "setup.h" - -#ifndef PARAMS -# if defined PROTOTYPES || (defined __STDC__ && __STDC__) -# define PARAMS(Args) Args -# else -# define PARAMS(Args) () -# endif -#endif - -#ifdef vms -# include <types.h> -# include <time.h> -#else -# include <sys/types.h> -# if TIME_WITH_SYS_TIME -# include <sys/time.h> -# include <time.h> -# else -# if HAVE_SYS_TIME_H -# include <sys/time.h> -# else -# include <time.h> -# endif -# endif -#endif /* defined (vms) */ - -time_t curl_getdate PARAMS ((const char *p, const time_t *now)); diff --git a/lib/getdate.y b/lib/getdate.y deleted file mode 100644 index 2ea894838..000000000 --- a/lib/getdate.y +++ /dev/null @@ -1,1081 +0,0 @@ -%{ -/* -** Originally written by Steven M. Bellovin <smb@research.att.com> while -** at the University of North Carolina at Chapel Hill. Later tweaked by -** a couple of people on Usenet. Completely overhauled by Rich $alz -** <rsalz@bbn.com> and Jim Berets <jberets@bbn.com> in August, 1990. -** -** This code has been modified since it was included in curl, to make it -** thread-safe and to make compilers complain less about it. -** -** This code is in the public domain and has no copyright. -*/ - -#include "setup.h" - -# ifdef HAVE_ALLOCA_H -# include <alloca.h> -# endif - -# ifdef HAVE_TIME_H -# include <time.h> -# endif - -#ifndef YYDEBUG - /* to satisfy gcc -Wundef, we set this to 0 */ -#define YYDEBUG 0 -#endif - -#ifndef YYSTACK_USE_ALLOCA - /* to satisfy gcc -Wundef, we set this to 0 */ -#define YYSTACK_USE_ALLOCA 0 -#endif - -/* Since the code of getdate.y is not included in the Emacs executable - itself, there is no need to #define static in this file. Even if - the code were included in the Emacs executable, it probably - wouldn't do any harm to #undef it here; this will only cause - problems if we try to write to a static variable, which I don't - think this code needs to do. */ -#ifdef emacs -# undef static -#endif - -#ifdef __APPLE__ -#include <sys/types.h> -#include <sys/malloc.h> -#else - -#endif -#include <string.h> -#include <stdio.h> -#include <ctype.h> - -#if HAVE_STDLIB_H -# include <stdlib.h> /* for `free'; used by Bison 1.27 */ -#else - -#ifdef HAVE_MALLOC_H -#include <malloc.h> -#endif - -#endif - -#if defined (STDC_HEADERS) || (!defined (isascii) && !defined (HAVE_ISASCII)) -# define IN_CTYPE_DOMAIN(c) 1 -#else -# define IN_CTYPE_DOMAIN(c) isascii(c) -#endif - -#define ISSPACE(c) (IN_CTYPE_DOMAIN (c) && isspace (c)) -#define ISALPHA(c) (IN_CTYPE_DOMAIN (c) && isalpha (c)) -#define ISUPPER(c) (IN_CTYPE_DOMAIN (c) && isupper (c)) -#define ISDIGIT_LOCALE(c) (IN_CTYPE_DOMAIN (c) && isdigit (c)) - -/* ISDIGIT differs from ISDIGIT_LOCALE, as follows: - - Its arg may be any int or unsigned int; it need not be an unsigned char. - - It's guaranteed to evaluate its argument exactly once. - - It's typically faster. - Posix 1003.2-1992 section 2.5.2.1 page 50 lines 1556-1558 says that - only '0' through '9' are digits. Prefer ISDIGIT to ISDIGIT_LOCALE unless - it's important to use the locale's definition of `digit' even when the - host does not conform to Posix. */ -#define ISDIGIT(c) ((unsigned) (c) - '0' <= 9) - -#if defined (STDC_HEADERS) || defined (USG) -# include <string.h> -#endif - -#include "memory.h" -/* The last #include file should be: */ -#include "memdebug.h" - -#ifndef YYMAXDEPTH -#define YYMAXDEPTH 0 -#endif - -#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7) -# define __attribute__(x) -#endif - -#ifndef ATTRIBUTE_UNUSED -# define ATTRIBUTE_UNUSED __attribute__ ((__unused__)) -#endif - -/* Some old versions of bison generate parsers that use bcopy. - That loses on systems that don't provide the function, so we have - to redefine it here. */ -#if !defined (HAVE_BCOPY) && defined (HAVE_MEMCPY) && !defined (bcopy) -# define bcopy(from, to, len) memcpy ((to), (from), (len)) -#endif - -/* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc), - as well as gratuitiously global symbol names, so we can have multiple - yacc generated parsers in the same program. Note that these are only - the variables produced by yacc. If other parser generators (bison, - byacc, etc) produce additional global names that conflict at link time, - then those parser generators need to be fixed instead of adding those - names to this list. */ - -#define yymaxdepth Curl_gd_maxdepth -#define yyparse Curl_gd_parse -#define yylex Curl_gd_lex -#define yyerror Curl_gd_error -#define yylval Curl_gd_lval -#define yychar Curl_gd_char -#define yydebug Curl_gd_debug -#define yypact Curl_gd_pact -#define yyr1 Curl_gd_r1 -#define yyr2 Curl_gd_r2 -#define yydef Curl_gd_def -#define yychk Curl_gd_chk -#define yypgo Curl_gd_pgo -#define yyact Curl_gd_act -#define yyexca Curl_gd_exca -#define yyerrflag Curl_gd_errflag -#define yynerrs Curl_gd_nerrs -#define yyps Curl_gd_ps -#define yypv Curl_gd_pv -#define yys Curl_gd_s -#define yy_yys Curl_gd_yys -#define yystate Curl_gd_state -#define yytmp Curl_gd_tmp -#define yyv Curl_gd_v -#define yy_yyv Curl_gd_yyv -#define yyval Curl_gd_val -#define yylloc Curl_gd_lloc -#define yyreds Curl_gd_reds /* With YYDEBUG defined */ -#define yytoks Curl_gd_toks /* With YYDEBUG defined */ -#define yylhs Curl_gd_yylhs -#define yylen Curl_gd_yylen -#define yydefred Curl_gd_yydefred -#define yydgoto Curl_gd_yydgoto -#define yysindex Curl_gd_yysindex -#define yyrindex Curl_gd_yyrindex -#define yygindex Curl_gd_yygindex -#define yytable Curl_gd_yytable -#define yycheck Curl_gd_yycheck - -#define EPOCH 1970 -#define HOUR(x) ((x) * 60) - -#define MAX_BUFF_LEN 128 /* size of buffer to read the date into */ - -/* -** An entry in the lexical lookup table. -*/ -typedef struct _TABLE { - const char *name; - int type; - int value; -} TABLE; - - -/* -** Meridian: am, pm, or 24-hour style. -*/ -typedef enum _MERIDIAN { - MERam, MERpm, MER24 -} MERIDIAN; - -/* parse results and input string */ -typedef struct _CURL_CONTEXT { - const char *yyInput; - int yyDayOrdinal; - int yyDayNumber; - int yyHaveDate; - int yyHaveDay; - int yyHaveRel; - int yyHaveTime; - int yyHaveZone; - int yyTimezone; - int yyDay; - int yyHour; - int yyMinutes; - int yyMonth; - int yySeconds; - int yyYear; - MERIDIAN yyMeridian; - int yyRelDay; - int yyRelHour; - int yyRelMinutes; - int yyRelMonth; - int yyRelSeconds; - int yyRelYear; -} CURL_CONTEXT; - -/* enable use of extra argument to yyparse and yylex which can be used to pass -** in a user defined value (CURL_CONTEXT struct in our case) -*/ -#define YYPARSE_PARAM cookie -#define YYLEX_PARAM cookie -#define context ((CURL_CONTEXT *) cookie) -%} - -/* This grammar has 13 shift/reduce conflicts. */ -%expect 13 - -/* turn global variables into locals, additionally enable extra arguments -** for yylex (pointer to yylval and user defined value) -*/ -%pure_parser - -%union { - int Number; - enum _MERIDIAN Meridian; -} - -%{ -static int yylex (YYSTYPE *yylval, void *cookie); -static int yyerror (const char *s); -%} - -%token tAGO tDAY tDAY_UNIT tDAYZONE tDST tHOUR_UNIT tID -%token tMERIDIAN tMINUTE_UNIT tMONTH tMONTH_UNIT -%token tSEC_UNIT tSNUMBER tUNUMBER tYEAR_UNIT tZONE - -%type <Number> tDAY tDAY_UNIT tDAYZONE tHOUR_UNIT tMINUTE_UNIT -%type <Number> tMONTH tMONTH_UNIT -%type <Number> tSEC_UNIT tSNUMBER tUNUMBER tYEAR_UNIT tZONE -%type <Meridian> tMERIDIAN o_merid - -%% - -spec : /* NULL */ - | spec item - ; - -item : time { - context->yyHaveTime++; - } - | zone { - context->yyHaveZone++; - } - | date { - context->yyHaveDate++; - } - | day { - context->yyHaveDay++; - } - | rel { - context->yyHaveRel++; - } - | number - ; - -time : tUNUMBER tMERIDIAN { - context->yyHour = $1; - context->yyMinutes = 0; - context->yySeconds = 0; - context->yyMeridian = $2; - } - | tUNUMBER ':' tUNUMBER o_merid { - context->yyHour = $1; - context->yyMinutes = $3; - context->yySeconds = 0; - context->yyMeridian = $4; - } - | tUNUMBER ':' tUNUMBER tSNUMBER { - context->yyHour = $1; - context->yyMinutes = $3; - context->yyMeridian = MER24; - context->yyHaveZone++; - context->yyTimezone = ($4 < 0 - ? -$4 % 100 + (-$4 / 100) * 60 - : - ($4 % 100 + ($4 / 100) * 60)); - } - | tUNUMBER ':' tUNUMBER ':' tUNUMBER o_merid { - context->yyHour = $1; - context->yyMinutes = $3; - context->yySeconds = $5; - context->yyMeridian = $6; - } - | tUNUMBER ':' tUNUMBER ':' tUNUMBER tSNUMBER { - context->yyHour = $1; - context->yyMinutes = $3; - context->yySeconds = $5; - context->yyMeridian = MER24; - context->yyHaveZone++; - context->yyTimezone = ($6 < 0 - ? -$6 % 100 + (-$6 / 100) * 60 - : - ($6 % 100 + ($6 / 100) * 60)); - } - ; - -zone : tZONE { - context->yyTimezone = $1; - } - | tDAYZONE { - context->yyTimezone = $1 - 60; - } - | - tZONE tDST { - context->yyTimezone = $1 - 60; - } - ; - -day : tDAY { - context->yyDayOrdinal = 1; - context->yyDayNumber = $1; - } - | tDAY ',' { - context->yyDayOrdinal = 1; - context->yyDayNumber = $1; - } - | tUNUMBER tDAY { - context->yyDayOrdinal = $1; - context->yyDayNumber = $2; - } - ; - -date : tUNUMBER '/' tUNUMBER { - context->yyMonth = $1; - context->yyDay = $3; - } - | tUNUMBER '/' tUNUMBER '/' tUNUMBER { - /* Interpret as YYYY/MM/DD if $1 >= 1000, otherwise as MM/DD/YY. - The goal in recognizing YYYY/MM/DD is solely to support legacy - machine-generated dates like those in an RCS log listing. If - you want portability, use the ISO 8601 format. */ - if ($1 >= 1000) - { - context->yyYear = $1; - context->yyMonth = $3; - context->yyDay = $5; - } - else - { - context->yyMonth = $1; - context->yyDay = $3; - context->yyYear = $5; - } - } - | tUNUMBER tSNUMBER tSNUMBER { - /* ISO 8601 format. yyyy-mm-dd. */ - context->yyYear = $1; - context->yyMonth = -$2; - context->yyDay = -$3; - } - | tUNUMBER tMONTH tSNUMBER { - /* e.g. 17-JUN-1992. */ - context->yyDay = $1; - context->yyMonth = $2; - context->yyYear = -$3; - } - | tMONTH tUNUMBER { - context->yyMonth = $1; - context->yyDay = $2; - } - | tMONTH tUNUMBER ',' tUNUMBER { - context->yyMonth = $1; - context->yyDay = $2; - context->yyYear = $4; - } - | tUNUMBER tMONTH { - context->yyMonth = $2; - context->yyDay = $1; - } - | tUNUMBER tMONTH tUNUMBER { - context->yyMonth = $2; - context->yyDay = $1; - context->yyYear = $3; - } - ; - -rel : relunit tAGO { - context->yyRelSeconds = -context->yyRelSeconds; - context->yyRelMinutes = -context->yyRelMinutes; - context->yyRelHour = -context->yyRelHour; - context->yyRelDay = -context->yyRelDay; - context->yyRelMonth = -context->yyRelMonth; - context->yyRelYear = -context->yyRelYear; - } - | relunit - ; - -relunit : tUNUMBER tYEAR_UNIT { - context->yyRelYear += $1 * $2; - } - | tSNUMBER tYEAR_UNIT { - context->yyRelYear += $1 * $2; - } - | tYEAR_UNIT { - context->yyRelYear += $1; - } - | tUNUMBER tMONTH_UNIT { - context->yyRelMonth += $1 * $2; - } - | tSNUMBER tMONTH_UNIT { - context->yyRelMonth += $1 * $2; - } - | tMONTH_UNIT { - context->yyRelMonth += $1; - } - | tUNUMBER tDAY_UNIT { - context->yyRelDay += $1 * $2; - } - | tSNUMBER tDAY_UNIT { - context->yyRelDay += $1 * $2; - } - | tDAY_UNIT { - context->yyRelDay += $1; - } - | tUNUMBER tHOUR_UNIT { - context->yyRelHour += $1 * $2; - } - | tSNUMBER tHOUR_UNIT { - context->yyRelHour += $1 * $2; - } - | tHOUR_UNIT { - context->yyRelHour += $1; - } - | tUNUMBER tMINUTE_UNIT { - context->yyRelMinutes += $1 * $2; - } - | tSNUMBER tMINUTE_UNIT { - context->yyRelMinutes += $1 * $2; - } - | tMINUTE_UNIT { - context->yyRelMinutes += $1; - } - | tUNUMBER tSEC_UNIT { - context->yyRelSeconds += $1 * $2; - } - | tSNUMBER tSEC_UNIT { - context->yyRelSeconds += $1 * $2; - } - | tSEC_UNIT { - context->yyRelSeconds += $1; - } - ; - -number : tUNUMBER - { - if (context->yyHaveTime && context->yyHaveDate && - !context->yyHaveRel) - context->yyYear = $1; - else - { - if ($1>10000) - { - context->yyHaveDate++; - context->yyDay= ($1)%100; - context->yyMonth= ($1/100)%100; - context->yyYear = $1/10000; - } - else - { - context->yyHaveTime++; - if ($1 < 100) - { - context->yyHour = $1; - context->yyMinutes = 0; - } - else - { - context->yyHour = $1 / 100; - context->yyMinutes = $1 % 100; - } - context->yySeconds = 0; - context->yyMeridian = MER24; - } - } - } - ; - -o_merid : /* NULL */ - { - $$ = MER24; - } - | tMERIDIAN - { - $$ = $1; - } - ; - -%% - -/* Include this file down here because bison inserts code above which - may define-away `const'. We want the prototype for get_date to have - the same signature as the function definition does. */ -#include "getdate.h" - -#ifndef WIN32 /* the windows dudes don't need these, does anyone really? */ -extern struct tm *gmtime (const time_t *); -extern struct tm *localtime (const time_t *); -extern time_t mktime (struct tm *); -#endif - -/* Month and day table. */ -static TABLE const MonthDayTable[] = { - { "january", tMONTH, 1 }, - { "february", tMONTH, 2 }, - { "march", tMONTH, 3 }, - { "april", tMONTH, 4 }, - { "may", tMONTH, 5 }, - { "june", tMONTH, 6 }, - { "july", tMONTH, 7 }, - { "august", tMONTH, 8 }, - { "september", tMONTH, 9 }, - { "sept", tMONTH, 9 }, - { "october", tMONTH, 10 }, - { "november", tMONTH, 11 }, - { "december", tMONTH, 12 }, - { "sunday", tDAY, 0 }, - { "monday", tDAY, 1 }, - { "tuesday", tDAY, 2 }, - { "tues", tDAY, 2 }, - { "wednesday", tDAY, 3 }, - { "wednes", tDAY, 3 }, - { "thursday", tDAY, 4 }, - { "thur", tDAY, 4 }, - { "thurs", tDAY, 4 }, - { "friday", tDAY, 5 }, - { "saturday", tDAY, 6 }, - { NULL, 0, 0 } -}; - -/* Time units table. */ -static TABLE const UnitsTable[] = { - { "year", tYEAR_UNIT, 1 }, - { "month", tMONTH_UNIT, 1 }, - { "fortnight", tDAY_UNIT, 14 }, - { "week", tDAY_UNIT, 7 }, - { "day", tDAY_UNIT, 1 }, - { "hour", tHOUR_UNIT, 1 }, - { "minute", tMINUTE_UNIT, 1 }, - { "min", tMINUTE_UNIT, 1 }, - { "second", tSEC_UNIT, 1 }, - { "sec", tSEC_UNIT, 1 }, - { NULL, 0, 0 } -}; - -/* Assorted relative-time words. */ -static TABLE const OtherTable[] = { - { "tomorrow", tMINUTE_UNIT, 1 * 24 * 60 }, - { "yesterday", tMINUTE_UNIT, -1 * 24 * 60 }, - { "today", tMINUTE_UNIT, 0 }, - { "now", tMINUTE_UNIT, 0 }, - { "last", tUNUMBER, -1 }, - { "this", tMINUTE_UNIT, 0 }, - { "next", tUNUMBER, 1 }, - { "first", tUNUMBER, 1 }, -/* { "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, 0, 0 } -}; - -/* The timezone table. */ -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 */ - { "mesz", 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 Standard, 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, 0, 0 } -}; - -/* 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, 0, 0 } -}; - - - - -/* ARGSUSED */ -static int -yyerror (const char *s ATTRIBUTE_UNUSED) -{ - return 0; -} - -static int -ToHour (int Hours, MERIDIAN Meridian) -{ - switch (Meridian) - { - case MER24: - if (Hours < 0 || Hours > 23) - return -1; - return Hours; - case MERam: - if (Hours < 1 || Hours > 12) - return -1; - if (Hours == 12) - Hours = 0; - return Hours; - case MERpm: - if (Hours < 1 || Hours > 12) - return -1; - if (Hours == 12) - Hours = 0; - return Hours + 12; - default: - break; /* used to do abort() here */ - } - /* NOTREACHED - but make gcc happy! */ - return -1; -} - -static int -ToYear (int Year) -{ - if (Year < 0) - Year = -Year; - - /* XPG4 suggests that years 00-68 map to 2000-2068, and - years 69-99 map to 1969-1999. */ - if (Year < 69) - Year += 2000; - else if (Year < 100) - Year += 1900; - - return Year; -} - -static int -LookupWord (YYSTYPE *yylval, char *buff) -{ - char *p; - char *q; - const TABLE *tp; - size_t i; - int abbrev; - - /* Make it lowercase. */ - for (p = buff; *p; p++) - if (ISUPPER ((unsigned char) *p)) - *p = tolower ((int)*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 (YYSTYPE *yylval, void *cookie) -{ - register unsigned char c; - register char *p; - char buff[20]; - int Count; - int sign; - - for (;;) - { - while (ISSPACE ((unsigned char) *context->yyInput)) - context->yyInput++; - - if (ISDIGIT (c = *context->yyInput) || c == '-' || c == '+') - { - if (c == '-' || c == '+') - { - sign = c == '-' ? -1 : 1; - if (!ISDIGIT (*++context->yyInput)) - /* skip the '-' sign */ - continue; - } - else - sign = 0; - for (yylval->Number = 0; ISDIGIT (c = *context->yyInput++);) - yylval->Number = 10 * yylval->Number + c - '0'; - context->yyInput--; - if (sign < 0) - yylval->Number = -yylval->Number; - return sign ? tSNUMBER : tUNUMBER; - } - if (ISALPHA (c)) - { - for (p = buff; (c = *context->yyInput++, ISALPHA (c)) || c == '.';) - if (p < &buff[sizeof buff - 1]) - *p++ = c; - *p = '\0'; - context->yyInput--; - return LookupWord (yylval, buff); - } - if (c != '(') - return *context->yyInput++; - Count = 0; - do - { - c = *context->yyInput++; - if (c == '\0') - return c; - if (c == '(') - Count++; - else if (c == ')') - Count--; - } - while (Count > 0); - } -} - -#define TM_YEAR_ORIGIN 1900 - -/* Yield A - B, measured in seconds. */ -static long -difftm (struct tm *a, struct tm *b) -{ - int ay = a->tm_year + (TM_YEAR_ORIGIN - 1); - int by = b->tm_year + (TM_YEAR_ORIGIN - 1); - long days = ( - /* difference in day of year */ - a->tm_yday - b->tm_yday - /* + intervening leap days */ - + ((ay >> 2) - (by >> 2)) - - (ay / 100 - by / 100) - + ((ay / 100 >> 2) - (by / 100 >> 2)) - /* + difference in years * 365 */ - + (long) (ay - by) * 365 - ); - return (60 * (60 * (24 * days + (a->tm_hour - b->tm_hour)) - + (a->tm_min - b->tm_min)) - + (a->tm_sec - b->tm_sec)); -} - -time_t -curl_getdate (const char *p, const time_t *now) -{ - struct tm tm, tm0, *tmp; - time_t Start; - CURL_CONTEXT cookie; -#ifdef HAVE_LOCALTIME_R - struct tm keeptime; -#endif - cookie.yyInput = p; - Start = now ? *now : time ((time_t *) NULL); -#ifdef HAVE_LOCALTIME_R - tmp = (struct tm *)localtime_r(&Start, &keeptime); -#else - tmp = localtime (&Start); -#endif - if (!tmp) - return -1; - cookie.yyYear = tmp->tm_year + TM_YEAR_ORIGIN; - cookie.yyMonth = tmp->tm_mon + 1; - cookie.yyDay = tmp->tm_mday; - cookie.yyHour = tmp->tm_hour; - cookie.yyMinutes = tmp->tm_min; - cookie.yySeconds = tmp->tm_sec; - tm.tm_isdst = tmp->tm_isdst; - cookie.yyMeridian = MER24; - cookie.yyRelSeconds = 0; - cookie.yyRelMinutes = 0; - cookie.yyRelHour = 0; - cookie.yyRelDay = 0; - cookie.yyRelMonth = 0; - cookie.yyRelYear = 0; - cookie.yyHaveDate = 0; - cookie.yyHaveDay = 0; - cookie.yyHaveRel = 0; - cookie.yyHaveTime = 0; - cookie.yyHaveZone = 0; - - if (yyparse (&cookie) - || cookie.yyHaveTime > 1 || cookie.yyHaveZone > 1 || - cookie.yyHaveDate > 1 || cookie.yyHaveDay > 1) - return -1; - - tm.tm_year = ToYear (cookie.yyYear) - TM_YEAR_ORIGIN + cookie.yyRelYear; - tm.tm_mon = cookie.yyMonth - 1 + cookie.yyRelMonth; - tm.tm_mday = cookie.yyDay + cookie.yyRelDay; - if (cookie.yyHaveTime || - (cookie.yyHaveRel && !cookie.yyHaveDate && !cookie.yyHaveDay)) - { - tm.tm_hour = ToHour (cookie.yyHour, cookie.yyMeridian); - if (tm.tm_hour < 0) - return -1; - tm.tm_min = cookie.yyMinutes; - tm.tm_sec = cookie.yySeconds; - } - else - { - tm.tm_hour = tm.tm_min = tm.tm_sec = 0; - } - tm.tm_hour += cookie.yyRelHour; - tm.tm_min += cookie.yyRelMinutes; - tm.tm_sec += cookie.yyRelSeconds; - - /* Let mktime deduce tm_isdst if we have an absolute timestamp, - or if the relative timestamp mentions days, months, or years. */ - if (cookie.yyHaveDate | cookie.yyHaveDay | cookie.yyHaveTime | - cookie.yyRelDay | cookie.yyRelMonth | cookie.yyRelYear) - tm.tm_isdst = -1; - - tm0 = tm; - - Start = mktime (&tm); - - if (Start == (time_t) -1) - { - - /* Guard against falsely reporting errors near the time_t boundaries - when parsing times in other time zones. For example, if the min - time_t value is 1970-01-01 00:00:00 UTC and we are 8 hours ahead - of UTC, then the min localtime value is 1970-01-01 08:00:00; if - we apply mktime to 1970-01-01 00:00:00 we will get an error, so - we apply mktime to 1970-01-02 08:00:00 instead and adjust the time - zone by 24 hours to compensate. This algorithm assumes that - there is no DST transition within a day of the time_t boundaries. */ - if (cookie.yyHaveZone) - { - tm = tm0; - if (tm.tm_year <= EPOCH - TM_YEAR_ORIGIN) - { - tm.tm_mday++; - cookie.yyTimezone -= 24 * 60; - } - else - { - tm.tm_mday--; - cookie.yyTimezone += 24 * 60; - } - Start = mktime (&tm); - } - - if (Start == (time_t) -1) - return Start; - } - - if (cookie.yyHaveDay && !cookie.yyHaveDate) - { - tm.tm_mday += ((cookie.yyDayNumber - tm.tm_wday + 7) % 7 - + 7 * (cookie.yyDayOrdinal - (0 < cookie.yyDayOrdinal))); - Start = mktime (&tm); - if (Start == (time_t) -1) - return Start; - } - - if (cookie.yyHaveZone) - { - long delta; - struct tm *gmt; -#ifdef HAVE_GMTIME_R - /* thread-safe version */ - struct tm keeptime2; - gmt = (struct tm *)gmtime_r(&Start, &keeptime2); -#else - gmt = gmtime(&Start); -#endif - if (!gmt) - return -1; - delta = cookie.yyTimezone * 60L + difftm (&tm, gmt); - if ((Start + delta < Start) != (delta < 0)) - return -1; /* time_t overflow */ - Start += delta; - } - - return Start; -} diff --git a/lib/parsedate.c b/lib/parsedate.c index a9fa982bf..0c54f9f45 100644 --- a/lib/parsedate.c +++ b/lib/parsedate.c @@ -67,7 +67,7 @@ Sun, 12 Sep 2004 15:05:58 -0700 Sat, 11 Sep 2004 21:32:11 +0200 - compact numerical date strings ISO846-style: + compact numerical date strings: 20040912 15:05:58 -0700 20040911 +0200 |