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authorLorry Tar Creator <lorry-tar-importer@baserock.org>2005-10-03 13:43:40 +0000
committer <>2014-09-25 11:25:48 +0000
commit10de491ef0bc43827ab8631a4c02860134e620a9 (patch)
tree22e734337cc9aa5d9b1d7c71261d160b6a60634d /lib/getdate.c
downloadcvs-tarball-10de491ef0bc43827ab8631a4c02860134e620a9.tar.gz
Imported from /home/lorry/working-area/delta_cvs-tarball/cvs-1.12.13.tar.bz2.HEADcvs-1.12.13master
Diffstat (limited to 'lib/getdate.c')
-rw-r--r--lib/getdate.c2936
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diff --git a/lib/getdate.c b/lib/getdate.c
new file mode 100644
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--- /dev/null
+++ b/lib/getdate.c
@@ -0,0 +1,2936 @@
+/* A Bison parser, made by GNU Bison 1.875c. */
+
+/* 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,
+ tDST = 259,
+ tDAY = 260,
+ tDAY_UNIT = 261,
+ tDAYZONE = 262,
+ tHOUR_UNIT = 263,
+ tLOCAL_ZONE = 264,
+ tMERIDIAN = 265,
+ tMINUTE_UNIT = 266,
+ tMONTH = 267,
+ tMONTH_UNIT = 268,
+ tORDINAL = 269,
+ tSEC_UNIT = 270,
+ tYEAR_UNIT = 271,
+ tZONE = 272,
+ tSNUMBER = 273,
+ tUNUMBER = 274,
+ tSDECIMAL_NUMBER = 275,
+ tUDECIMAL_NUMBER = 276
+ };
+#endif
+#define tAGO 258
+#define tDST 259
+#define tDAY 260
+#define tDAY_UNIT 261
+#define tDAYZONE 262
+#define tHOUR_UNIT 263
+#define tLOCAL_ZONE 264
+#define tMERIDIAN 265
+#define tMINUTE_UNIT 266
+#define tMONTH 267
+#define tMONTH_UNIT 268
+#define tORDINAL 269
+#define tSEC_UNIT 270
+#define tYEAR_UNIT 271
+#define tZONE 272
+#define tSNUMBER 273
+#define tUNUMBER 274
+#define tSDECIMAL_NUMBER 275
+#define tUDECIMAL_NUMBER 276
+
+
+
+
+/* Copy the first part of user declarations. */
+#line 1 "getdate.y"
+
+/* Parse a string into an internal time stamp.
+
+ Copyright (C) 1999, 2000, 2002, 2003, 2004, 2005 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+/* 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.
+
+ Modified by Paul Eggert <eggert@twinsun.com> in August 1999 to do
+ the right thing about local DST. Also modified by Paul Eggert
+ <eggert@cs.ucla.edu> in February 2004 to support
+ nanosecond-resolution time stamps, and in October 2004 to support
+ TZ strings in dates. */
+
+/* FIXME: Check for arithmetic overflow in all cases, not just
+ some of them. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "getdate.h"
+
+/* There's no need to extend the stack, so there's no need to involve
+ alloca. */
+#define YYSTACK_USE_ALLOCA 0
+
+/* Tell Bison how much stack space is needed. 20 should be plenty for
+ this grammar, which is not right recursive. Beware setting it too
+ high, since that might cause problems on machines whose
+ implementations have lame stack-overflow checking. */
+#define YYMAXDEPTH 20
+#define YYINITDEPTH YYMAXDEPTH
+
+/* 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
+
+#include <ctype.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "setenv.h"
+#include "xalloc.h"
+
+#if STDC_HEADERS || (! defined isascii && ! 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 ISLOWER(c) (IN_CTYPE_DOMAIN (c) && islower (c))
+
+/* ISDIGIT differs from isdigit, 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 says that only '0' through '9' are digits. Prefer ISDIGIT to
+ isdigit 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 int) (c) - '0' <= 9)
+
+#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8) || __STRICT_ANSI__
+# define __attribute__(x)
+#endif
+
+#ifndef ATTRIBUTE_UNUSED
+# define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
+#endif
+
+/* Shift A right by B bits portably, by dividing A by 2**B and
+ truncating towards minus infinity. A and B should be free of side
+ effects, and B should be in the range 0 <= B <= INT_BITS - 2, where
+ INT_BITS is the number of useful bits in an int. GNU code can
+ assume that INT_BITS is at least 32.
+
+ ISO C99 says that A >> B is implementation-defined if A < 0. Some
+ implementations (e.g., UNICOS 9.0 on a Cray Y-MP EL) don't shift
+ right in the usual way when A < 0, so SHR falls back on division if
+ ordinary A >> B doesn't seem to be the usual signed shift. */
+#define SHR(a, b) \
+ (-1 >> 1 == -1 \
+ ? (a) >> (b) \
+ : (a) / (1 << (b)) - ((a) % (1 << (b)) < 0))
+
+#define EPOCH_YEAR 1970
+#define TM_YEAR_BASE 1900
+
+#define HOUR(x) ((x) * 60)
+
+/* An integer value, and the number of digits in its textual
+ representation. */
+typedef struct
+{
+ bool negative;
+ long int value;
+ size_t digits;
+} textint;
+
+/* An entry in the lexical lookup table. */
+typedef struct
+{
+ char const *name;
+ int type;
+ int value;
+} table;
+
+/* Meridian: am, pm, or 24-hour style. */
+enum { MERam, MERpm, MER24 };
+
+enum { BILLION = 1000000000, LOG10_BILLION = 9 };
+
+/* Information passed to and from the parser. */
+typedef struct
+{
+ /* The input string remaining to be parsed. */
+ const char *input;
+
+ /* N, if this is the Nth Tuesday. */
+ long int day_ordinal;
+
+ /* Day of week; Sunday is 0. */
+ int day_number;
+
+ /* tm_isdst flag for the local zone. */
+ int local_isdst;
+
+ /* Time zone, in minutes east of UTC. */
+ long int time_zone;
+
+ /* Style used for time. */
+ int meridian;
+
+ /* Gregorian year, month, day, hour, minutes, seconds, and nanoseconds. */
+ textint year;
+ long int month;
+ long int day;
+ long int hour;
+ long int minutes;
+ struct timespec seconds; /* includes nanoseconds */
+
+ /* Relative year, month, day, hour, minutes, seconds, and nanoseconds. */
+ long int rel_year;
+ long int rel_month;
+ long int rel_day;
+ long int rel_hour;
+ long int rel_minutes;
+ long int rel_seconds;
+ long int rel_ns;
+
+ /* Presence or counts of nonterminals of various flavors parsed so far. */
+ bool timespec_seen;
+ bool rels_seen;
+ size_t dates_seen;
+ size_t days_seen;
+ size_t local_zones_seen;
+ size_t dsts_seen;
+ size_t times_seen;
+ size_t zones_seen;
+
+ /* Table of local time zone abbrevations, terminated by a null entry. */
+ table local_time_zone_table[3];
+} parser_control;
+
+union YYSTYPE;
+static int yylex (union YYSTYPE *, parser_control *);
+static int yyerror (parser_control *, char *);
+static long int time_zone_hhmm (textint, long int);
+
+
+
+/* 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 209 "getdate.y"
+typedef union YYSTYPE {
+ long int intval;
+ textint textintval;
+ struct timespec timespec;
+} YYSTYPE;
+/* Line 191 of yacc.c. */
+#line 322 "getdate.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 214 of yacc.c. */
+#line 334 "getdate.c"
+
+#if ! defined (yyoverflow) || YYERROR_VERBOSE
+
+# ifndef YYFREE
+# define YYFREE free
+# endif
+# ifndef YYMALLOC
+# define YYMALLOC malloc
+# endif
+
+/* The parser invokes alloca or malloc; define the necessary symbols. */
+
+# ifdef YYSTACK_USE_ALLOCA
+# if YYSTACK_USE_ALLOCA
+# define YYSTACK_ALLOC alloca
+# endif
+# else
+# if defined (alloca) || defined (_ALLOCA_H)
+# define YYSTACK_ALLOC alloca
+# else
+# ifdef __GNUC__
+# define YYSTACK_ALLOC __builtin_alloca
+# 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 YYMALLOC
+# define YYSTACK_FREE YYFREE
+# endif
+#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
+
+
+#if (! defined (yyoverflow) \
+ && (! defined (__cplusplus) \
+ || (defined (YYSTYPE_IS_TRIVIAL) && 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 defined (__GNUC__) && 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 12
+/* YYLAST -- Last index in YYTABLE. */
+#define YYLAST 88
+
+/* YYNTOKENS -- Number of terminals. */
+#define YYNTOKENS 26
+/* YYNNTS -- Number of nonterminals. */
+#define YYNNTS 19
+/* YYNRULES -- Number of rules. */
+#define YYNRULES 78
+/* YYNRULES -- Number of states. */
+#define YYNSTATES 96
+
+/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
+#define YYUNDEFTOK 2
+#define YYMAXUTOK 276
+
+#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, 24, 2, 2, 25, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 23, 2,
+ 2, 2, 2, 2, 22, 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, 19, 20, 21
+};
+
+#if YYDEBUG
+/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
+ YYRHS. */
+static const unsigned char yyprhs[] =
+{
+ 0, 0, 3, 5, 7, 10, 11, 14, 16, 18,
+ 20, 22, 24, 26, 28, 31, 36, 42, 49, 57,
+ 59, 62, 64, 67, 71, 73, 76, 78, 81, 84,
+ 87, 91, 97, 101, 105, 109, 112, 117, 120, 124,
+ 127, 129, 132, 135, 137, 140, 143, 145, 148, 151,
+ 153, 156, 159, 161, 164, 167, 169, 172, 175, 178,
+ 181, 183, 185, 188, 191, 194, 197, 200, 203, 205,
+ 207, 209, 211, 213, 215, 217, 218, 221, 222
+};
+
+/* YYRHS -- A `-1'-separated list of the rules' RHS. */
+static const yysigned_char yyrhs[] =
+{
+ 27, 0, -1, 28, -1, 29, -1, 22, 39, -1,
+ -1, 29, 30, -1, 31, -1, 32, -1, 33, -1,
+ 35, -1, 34, -1, 36, -1, 42, -1, 19, 10,
+ -1, 19, 23, 19, 44, -1, 19, 23, 19, 18,
+ 43, -1, 19, 23, 19, 23, 41, 44, -1, 19,
+ 23, 19, 23, 41, 18, 43, -1, 9, -1, 9,
+ 4, -1, 17, -1, 17, 38, -1, 17, 18, 43,
+ -1, 7, -1, 17, 4, -1, 5, -1, 5, 24,
+ -1, 14, 5, -1, 19, 5, -1, 19, 25, 19,
+ -1, 19, 25, 19, 25, 19, -1, 19, 18, 18,
+ -1, 19, 12, 18, -1, 12, 18, 18, -1, 12,
+ 19, -1, 12, 19, 24, 19, -1, 19, 12, -1,
+ 19, 12, 19, -1, 37, 3, -1, 37, -1, 14,
+ 16, -1, 19, 16, -1, 16, -1, 14, 13, -1,
+ 19, 13, -1, 13, -1, 14, 6, -1, 19, 6,
+ -1, 6, -1, 14, 8, -1, 19, 8, -1, 8,
+ -1, 14, 11, -1, 19, 11, -1, 11, -1, 14,
+ 15, -1, 19, 15, -1, 20, 15, -1, 21, 15,
+ -1, 15, -1, 38, -1, 18, 16, -1, 18, 13,
+ -1, 18, 6, -1, 18, 8, -1, 18, 11, -1,
+ 18, 15, -1, 40, -1, 41, -1, 20, -1, 18,
+ -1, 21, -1, 19, -1, 19, -1, -1, 23, 19,
+ -1, -1, 10, -1
+};
+
+/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
+static const unsigned short yyrline[] =
+{
+ 0, 230, 230, 231, 235, 242, 244, 248, 250, 252,
+ 254, 256, 258, 260, 264, 272, 280, 290, 297, 309,
+ 314, 322, 324, 326, 328, 330, 335, 340, 345, 350,
+ 358, 363, 383, 390, 398, 406, 411, 417, 422, 431,
+ 441, 445, 447, 449, 451, 453, 455, 457, 459, 461,
+ 463, 465, 467, 469, 471, 473, 475, 477, 479, 481,
+ 483, 485, 489, 491, 493, 495, 497, 499, 503, 503,
+ 506, 507, 512, 513, 518, 556, 557, 563, 564
+};
+#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", "$undefined", "tAGO", "tDST", "tDAY", "tDAY_UNIT",
+ "tDAYZONE", "tHOUR_UNIT", "tLOCAL_ZONE", "tMERIDIAN", "tMINUTE_UNIT",
+ "tMONTH", "tMONTH_UNIT", "tORDINAL", "tSEC_UNIT", "tYEAR_UNIT", "tZONE",
+ "tSNUMBER", "tUNUMBER", "tSDECIMAL_NUMBER", "tUDECIMAL_NUMBER", "'@'",
+ "':'", "','", "'/'", "$accept", "spec", "timespec", "items", "item",
+ "time", "local_zone", "zone", "day", "date", "rel", "relunit",
+ "relunit_snumber", "seconds", "signed_seconds", "unsigned_seconds",
+ "number", "o_colon_minutes", "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, 274,
+ 275, 276, 64, 58, 44, 47
+};
+# endif
+
+/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
+static const unsigned char yyr1[] =
+{
+ 0, 26, 27, 27, 28, 29, 29, 30, 30, 30,
+ 30, 30, 30, 30, 31, 31, 31, 31, 31, 32,
+ 32, 33, 33, 33, 33, 33, 34, 34, 34, 34,
+ 35, 35, 35, 35, 35, 35, 35, 35, 35, 36,
+ 36, 37, 37, 37, 37, 37, 37, 37, 37, 37,
+ 37, 37, 37, 37, 37, 37, 37, 37, 37, 37,
+ 37, 37, 38, 38, 38, 38, 38, 38, 39, 39,
+ 40, 40, 41, 41, 42, 43, 43, 44, 44
+};
+
+/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
+static const unsigned char yyr2[] =
+{
+ 0, 2, 1, 1, 2, 0, 2, 1, 1, 1,
+ 1, 1, 1, 1, 2, 4, 5, 6, 7, 1,
+ 2, 1, 2, 3, 1, 2, 1, 2, 2, 2,
+ 3, 5, 3, 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, 2, 2,
+ 1, 1, 2, 2, 2, 2, 2, 2, 1, 1,
+ 1, 1, 1, 1, 1, 0, 2, 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[] =
+{
+ 5, 0, 0, 2, 3, 71, 73, 70, 72, 4,
+ 68, 69, 1, 26, 49, 24, 52, 19, 55, 0,
+ 46, 0, 60, 43, 21, 0, 74, 0, 0, 6,
+ 7, 8, 9, 11, 10, 12, 40, 61, 13, 27,
+ 20, 0, 35, 28, 47, 50, 53, 44, 56, 41,
+ 25, 75, 22, 64, 65, 66, 63, 67, 62, 29,
+ 48, 51, 14, 54, 37, 45, 57, 42, 0, 0,
+ 0, 58, 59, 39, 34, 0, 0, 23, 33, 38,
+ 32, 77, 30, 36, 76, 78, 75, 0, 15, 0,
+ 16, 77, 31, 75, 17, 18
+};
+
+/* YYDEFGOTO[NTERM-NUM]. */
+static const yysigned_char yydefgoto[] =
+{
+ -1, 2, 3, 4, 29, 30, 31, 32, 33, 34,
+ 35, 36, 37, 9, 10, 11, 38, 77, 88
+};
+
+/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+ STATE-NUM. */
+#define YYPACT_NINF -43
+static const yysigned_char yypact[] =
+{
+ -18, 48, 9, -43, 19, -43, -43, -43, -43, -43,
+ -43, -43, -43, 32, -43, -43, -43, 54, -43, 28,
+ -43, 37, -43, -43, -2, 49, -5, 57, 58, -43,
+ -43, -43, -43, -43, -43, -43, 60, -43, -43, -43,
+ -43, 56, 51, -43, -43, -43, -43, -43, -43, -43,
+ -43, 6, -43, -43, -43, -43, -43, -43, -43, -43,
+ -43, -43, -43, -43, 52, -43, -43, -43, 59, 61,
+ 62, -43, -43, -43, -43, 63, 64, -43, -43, -43,
+ -43, 31, 53, -43, -43, -43, 65, 40, -43, 66,
+ -43, 5, -43, 65, -43, -43
+};
+
+/* YYPGOTO[NTERM-NUM]. */
+static const yysigned_char yypgoto[] =
+{
+ -43, -43, -43, -43, -43, -43, -43, -43, -43, -43,
+ -43, -43, 55, -43, -43, -11, -43, -42, -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[] =
+{
+ 59, 60, 50, 61, 1, 62, 63, 64, 65, 12,
+ 66, 67, 53, 68, 54, 85, 51, 55, 69, 56,
+ 70, 57, 58, 93, 13, 14, 15, 16, 17, 76,
+ 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
+ 28, 85, 43, 44, 90, 45, 41, 42, 46, 86,
+ 47, 95, 48, 49, 87, 53, 39, 54, 40, 6,
+ 55, 8, 56, 73, 57, 58, 5, 6, 7, 8,
+ 78, 79, 71, 72, 74, 75, 91, 80, 89, 52,
+ 81, 82, 83, 84, 94, 92, 0, 0, 76
+};
+
+static const yysigned_char yycheck[] =
+{
+ 5, 6, 4, 8, 22, 10, 11, 12, 13, 0,
+ 15, 16, 6, 18, 8, 10, 18, 11, 23, 13,
+ 25, 15, 16, 18, 5, 6, 7, 8, 9, 23,
+ 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
+ 21, 10, 5, 6, 86, 8, 18, 19, 11, 18,
+ 13, 93, 15, 16, 23, 6, 24, 8, 4, 19,
+ 11, 21, 13, 3, 15, 16, 18, 19, 20, 21,
+ 18, 19, 15, 15, 18, 24, 87, 18, 25, 24,
+ 19, 19, 19, 19, 91, 19, -1, -1, 23
+};
+
+/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
+ symbol of state STATE-NUM. */
+static const unsigned char yystos[] =
+{
+ 0, 22, 27, 28, 29, 18, 19, 20, 21, 39,
+ 40, 41, 0, 5, 6, 7, 8, 9, 11, 12,
+ 13, 14, 15, 16, 17, 18, 19, 20, 21, 30,
+ 31, 32, 33, 34, 35, 36, 37, 38, 42, 24,
+ 4, 18, 19, 5, 6, 8, 11, 13, 15, 16,
+ 4, 18, 38, 6, 8, 11, 13, 15, 16, 5,
+ 6, 8, 10, 11, 12, 13, 15, 16, 18, 23,
+ 25, 15, 15, 3, 18, 24, 23, 43, 18, 19,
+ 18, 19, 19, 19, 19, 10, 18, 23, 44, 25,
+ 43, 41, 19, 18, 44, 43
+};
+
+#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 yyerrorlab
+
+
+/* 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 (pc, "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, pc)
+#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 (included). |
+`------------------------------------------------------------------*/
+
+#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 yylno = yyrline[yyrule];
+ YYFPRINTF (stderr, "Reducing stack by rule %d (line %u), ",
+ yyrule - 1, yylno);
+ /* 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 defined (YYMAXDEPTH) && 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 ( parser_control *pc );
+#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 ( parser_control *pc )
+#else
+int
+yyparse (pc)
+ parser_control *pc ;
+#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 236 "getdate.y"
+ {
+ pc->seconds = yyvsp[0].timespec;
+ pc->timespec_seen = true;
+ }
+ break;
+
+ case 7:
+#line 249 "getdate.y"
+ { pc->times_seen++; }
+ break;
+
+ case 8:
+#line 251 "getdate.y"
+ { pc->local_zones_seen++; }
+ break;
+
+ case 9:
+#line 253 "getdate.y"
+ { pc->zones_seen++; }
+ break;
+
+ case 10:
+#line 255 "getdate.y"
+ { pc->dates_seen++; }
+ break;
+
+ case 11:
+#line 257 "getdate.y"
+ { pc->days_seen++; }
+ break;
+
+ case 12:
+#line 259 "getdate.y"
+ { pc->rels_seen = true; }
+ break;
+
+ case 14:
+#line 265 "getdate.y"
+ {
+ pc->hour = yyvsp[-1].textintval.value;
+ pc->minutes = 0;
+ pc->seconds.tv_sec = 0;
+ pc->seconds.tv_nsec = 0;
+ pc->meridian = yyvsp[0].intval;
+ }
+ break;
+
+ case 15:
+#line 273 "getdate.y"
+ {
+ pc->hour = yyvsp[-3].textintval.value;
+ pc->minutes = yyvsp[-1].textintval.value;
+ pc->seconds.tv_sec = 0;
+ pc->seconds.tv_nsec = 0;
+ pc->meridian = yyvsp[0].intval;
+ }
+ break;
+
+ case 16:
+#line 281 "getdate.y"
+ {
+ pc->hour = yyvsp[-4].textintval.value;
+ pc->minutes = yyvsp[-2].textintval.value;
+ pc->seconds.tv_sec = 0;
+ pc->seconds.tv_nsec = 0;
+ pc->meridian = MER24;
+ pc->zones_seen++;
+ pc->time_zone = time_zone_hhmm (yyvsp[-1].textintval, yyvsp[0].intval);
+ }
+ break;
+
+ case 17:
+#line 291 "getdate.y"
+ {
+ pc->hour = yyvsp[-5].textintval.value;
+ pc->minutes = yyvsp[-3].textintval.value;
+ pc->seconds = yyvsp[-1].timespec;
+ pc->meridian = yyvsp[0].intval;
+ }
+ break;
+
+ case 18:
+#line 298 "getdate.y"
+ {
+ pc->hour = yyvsp[-6].textintval.value;
+ pc->minutes = yyvsp[-4].textintval.value;
+ pc->seconds = yyvsp[-2].timespec;
+ pc->meridian = MER24;
+ pc->zones_seen++;
+ pc->time_zone = time_zone_hhmm (yyvsp[-1].textintval, yyvsp[0].intval);
+ }
+ break;
+
+ case 19:
+#line 310 "getdate.y"
+ {
+ pc->local_isdst = yyvsp[0].intval;
+ pc->dsts_seen += (0 < yyvsp[0].intval);
+ }
+ break;
+
+ case 20:
+#line 315 "getdate.y"
+ {
+ pc->local_isdst = 1;
+ pc->dsts_seen += (0 < yyvsp[-1].intval) + 1;
+ }
+ break;
+
+ case 21:
+#line 323 "getdate.y"
+ { pc->time_zone = yyvsp[0].intval; }
+ break;
+
+ case 22:
+#line 325 "getdate.y"
+ { pc->time_zone = yyvsp[-1].intval; pc->rels_seen = true; }
+ break;
+
+ case 23:
+#line 327 "getdate.y"
+ { pc->time_zone = yyvsp[-2].intval + time_zone_hhmm (yyvsp[-1].textintval, yyvsp[0].intval); }
+ break;
+
+ case 24:
+#line 329 "getdate.y"
+ { pc->time_zone = yyvsp[0].intval + 60; }
+ break;
+
+ case 25:
+#line 331 "getdate.y"
+ { pc->time_zone = yyvsp[-1].intval + 60; }
+ break;
+
+ case 26:
+#line 336 "getdate.y"
+ {
+ pc->day_ordinal = 1;
+ pc->day_number = yyvsp[0].intval;
+ }
+ break;
+
+ case 27:
+#line 341 "getdate.y"
+ {
+ pc->day_ordinal = 1;
+ pc->day_number = yyvsp[-1].intval;
+ }
+ break;
+
+ case 28:
+#line 346 "getdate.y"
+ {
+ pc->day_ordinal = yyvsp[-1].intval;
+ pc->day_number = yyvsp[0].intval;
+ }
+ break;
+
+ case 29:
+#line 351 "getdate.y"
+ {
+ pc->day_ordinal = yyvsp[-1].textintval.value;
+ pc->day_number = yyvsp[0].intval;
+ }
+ break;
+
+ case 30:
+#line 359 "getdate.y"
+ {
+ pc->month = yyvsp[-2].textintval.value;
+ pc->day = yyvsp[0].textintval.value;
+ }
+ break;
+
+ case 31:
+#line 364 "getdate.y"
+ {
+ /* Interpret as YYYY/MM/DD if the first value has 4 or more digits,
+ 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 (4 <= yyvsp[-4].textintval.digits)
+ {
+ pc->year = yyvsp[-4].textintval;
+ pc->month = yyvsp[-2].textintval.value;
+ pc->day = yyvsp[0].textintval.value;
+ }
+ else
+ {
+ pc->month = yyvsp[-4].textintval.value;
+ pc->day = yyvsp[-2].textintval.value;
+ pc->year = yyvsp[0].textintval;
+ }
+ }
+ break;
+
+ case 32:
+#line 384 "getdate.y"
+ {
+ /* ISO 8601 format. YYYY-MM-DD. */
+ pc->year = yyvsp[-2].textintval;
+ pc->month = -yyvsp[-1].textintval.value;
+ pc->day = -yyvsp[0].textintval.value;
+ }
+ break;
+
+ case 33:
+#line 391 "getdate.y"
+ {
+ /* e.g. 17-JUN-1992. */
+ pc->day = yyvsp[-2].textintval.value;
+ pc->month = yyvsp[-1].intval;
+ pc->year.value = -yyvsp[0].textintval.value;
+ pc->year.digits = yyvsp[0].textintval.digits;
+ }
+ break;
+
+ case 34:
+#line 399 "getdate.y"
+ {
+ /* e.g. JUN-17-1992. */
+ pc->month = yyvsp[-2].intval;
+ pc->day = -yyvsp[-1].textintval.value;
+ pc->year.value = -yyvsp[0].textintval.value;
+ pc->year.digits = yyvsp[0].textintval.digits;
+ }
+ break;
+
+ case 35:
+#line 407 "getdate.y"
+ {
+ pc->month = yyvsp[-1].intval;
+ pc->day = yyvsp[0].textintval.value;
+ }
+ break;
+
+ case 36:
+#line 412 "getdate.y"
+ {
+ pc->month = yyvsp[-3].intval;
+ pc->day = yyvsp[-2].textintval.value;
+ pc->year = yyvsp[0].textintval;
+ }
+ break;
+
+ case 37:
+#line 418 "getdate.y"
+ {
+ pc->day = yyvsp[-1].textintval.value;
+ pc->month = yyvsp[0].intval;
+ }
+ break;
+
+ case 38:
+#line 423 "getdate.y"
+ {
+ pc->day = yyvsp[-2].textintval.value;
+ pc->month = yyvsp[-1].intval;
+ pc->year = yyvsp[0].textintval;
+ }
+ break;
+
+ case 39:
+#line 432 "getdate.y"
+ {
+ pc->rel_ns = -pc->rel_ns;
+ pc->rel_seconds = -pc->rel_seconds;
+ pc->rel_minutes = -pc->rel_minutes;
+ pc->rel_hour = -pc->rel_hour;
+ pc->rel_day = -pc->rel_day;
+ pc->rel_month = -pc->rel_month;
+ pc->rel_year = -pc->rel_year;
+ }
+ break;
+
+ case 41:
+#line 446 "getdate.y"
+ { pc->rel_year += yyvsp[-1].intval * yyvsp[0].intval; }
+ break;
+
+ case 42:
+#line 448 "getdate.y"
+ { pc->rel_year += yyvsp[-1].textintval.value * yyvsp[0].intval; }
+ break;
+
+ case 43:
+#line 450 "getdate.y"
+ { pc->rel_year += yyvsp[0].intval; }
+ break;
+
+ case 44:
+#line 452 "getdate.y"
+ { pc->rel_month += yyvsp[-1].intval * yyvsp[0].intval; }
+ break;
+
+ case 45:
+#line 454 "getdate.y"
+ { pc->rel_month += yyvsp[-1].textintval.value * yyvsp[0].intval; }
+ break;
+
+ case 46:
+#line 456 "getdate.y"
+ { pc->rel_month += yyvsp[0].intval; }
+ break;
+
+ case 47:
+#line 458 "getdate.y"
+ { pc->rel_day += yyvsp[-1].intval * yyvsp[0].intval; }
+ break;
+
+ case 48:
+#line 460 "getdate.y"
+ { pc->rel_day += yyvsp[-1].textintval.value * yyvsp[0].intval; }
+ break;
+
+ case 49:
+#line 462 "getdate.y"
+ { pc->rel_day += yyvsp[0].intval; }
+ break;
+
+ case 50:
+#line 464 "getdate.y"
+ { pc->rel_hour += yyvsp[-1].intval * yyvsp[0].intval; }
+ break;
+
+ case 51:
+#line 466 "getdate.y"
+ { pc->rel_hour += yyvsp[-1].textintval.value * yyvsp[0].intval; }
+ break;
+
+ case 52:
+#line 468 "getdate.y"
+ { pc->rel_hour += yyvsp[0].intval; }
+ break;
+
+ case 53:
+#line 470 "getdate.y"
+ { pc->rel_minutes += yyvsp[-1].intval * yyvsp[0].intval; }
+ break;
+
+ case 54:
+#line 472 "getdate.y"
+ { pc->rel_minutes += yyvsp[-1].textintval.value * yyvsp[0].intval; }
+ break;
+
+ case 55:
+#line 474 "getdate.y"
+ { pc->rel_minutes += yyvsp[0].intval; }
+ break;
+
+ case 56:
+#line 476 "getdate.y"
+ { pc->rel_seconds += yyvsp[-1].intval * yyvsp[0].intval; }
+ break;
+
+ case 57:
+#line 478 "getdate.y"
+ { pc->rel_seconds += yyvsp[-1].textintval.value * yyvsp[0].intval; }
+ break;
+
+ case 58:
+#line 480 "getdate.y"
+ { pc->rel_seconds += yyvsp[-1].timespec.tv_sec * yyvsp[0].intval; pc->rel_ns += yyvsp[-1].timespec.tv_nsec * yyvsp[0].intval; }
+ break;
+
+ case 59:
+#line 482 "getdate.y"
+ { pc->rel_seconds += yyvsp[-1].timespec.tv_sec * yyvsp[0].intval; pc->rel_ns += yyvsp[-1].timespec.tv_nsec * yyvsp[0].intval; }
+ break;
+
+ case 60:
+#line 484 "getdate.y"
+ { pc->rel_seconds += yyvsp[0].intval; }
+ break;
+
+ case 62:
+#line 490 "getdate.y"
+ { pc->rel_year += yyvsp[-1].textintval.value * yyvsp[0].intval; }
+ break;
+
+ case 63:
+#line 492 "getdate.y"
+ { pc->rel_month += yyvsp[-1].textintval.value * yyvsp[0].intval; }
+ break;
+
+ case 64:
+#line 494 "getdate.y"
+ { pc->rel_day += yyvsp[-1].textintval.value * yyvsp[0].intval; }
+ break;
+
+ case 65:
+#line 496 "getdate.y"
+ { pc->rel_hour += yyvsp[-1].textintval.value * yyvsp[0].intval; }
+ break;
+
+ case 66:
+#line 498 "getdate.y"
+ { pc->rel_minutes += yyvsp[-1].textintval.value * yyvsp[0].intval; }
+ break;
+
+ case 67:
+#line 500 "getdate.y"
+ { pc->rel_seconds += yyvsp[-1].textintval.value * yyvsp[0].intval; }
+ break;
+
+ case 71:
+#line 508 "getdate.y"
+ { yyval.timespec.tv_sec = yyvsp[0].textintval.value; yyval.timespec.tv_nsec = 0; }
+ break;
+
+ case 73:
+#line 514 "getdate.y"
+ { yyval.timespec.tv_sec = yyvsp[0].textintval.value; yyval.timespec.tv_nsec = 0; }
+ break;
+
+ case 74:
+#line 519 "getdate.y"
+ {
+ if (pc->dates_seen && ! pc->year.digits
+ && ! pc->rels_seen && (pc->times_seen || 2 < yyvsp[0].textintval.digits))
+ pc->year = yyvsp[0].textintval;
+ else
+ {
+ if (4 < yyvsp[0].textintval.digits)
+ {
+ pc->dates_seen++;
+ pc->day = yyvsp[0].textintval.value % 100;
+ pc->month = (yyvsp[0].textintval.value / 100) % 100;
+ pc->year.value = yyvsp[0].textintval.value / 10000;
+ pc->year.digits = yyvsp[0].textintval.digits - 4;
+ }
+ else
+ {
+ pc->times_seen++;
+ if (yyvsp[0].textintval.digits <= 2)
+ {
+ pc->hour = yyvsp[0].textintval.value;
+ pc->minutes = 0;
+ }
+ else
+ {
+ pc->hour = yyvsp[0].textintval.value / 100;
+ pc->minutes = yyvsp[0].textintval.value % 100;
+ }
+ pc->seconds.tv_sec = 0;
+ pc->seconds.tv_nsec = 0;
+ pc->meridian = MER24;
+ }
+ }
+ }
+ break;
+
+ case 75:
+#line 556 "getdate.y"
+ { yyval.intval = -1; }
+ break;
+
+ case 76:
+#line 558 "getdate.y"
+ { yyval.intval = yyvsp[0].textintval.value; }
+ break;
+
+ case 77:
+#line 563 "getdate.y"
+ { yyval.intval = MER24; }
+ break;
+
+ case 78:
+#line 565 "getdate.y"
+ { yyval.intval = yyvsp[0].intval; }
+ break;
+
+
+ }
+
+/* Line 1000 of yacc.c. */
+#line 1782 "getdate.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);
+ const char* yyprefix;
+ char *yymsg;
+ int yyx;
+
+ /* Start YYX at -YYN if negative to avoid negative indexes in
+ YYCHECK. */
+ int yyxbegin = yyn < 0 ? -yyn : 0;
+
+ /* Stay within bounds of both yycheck and yytname. */
+ int yychecklim = YYLAST - yyn;
+ int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
+ int yycount = 0;
+
+ yyprefix = ", expecting ";
+ for (yyx = yyxbegin; yyx < yyxend; ++yyx)
+ if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+ {
+ yysize += yystrlen (yyprefix) + yystrlen (yytname [yyx]);
+ yycount += 1;
+ if (yycount == 5)
+ {
+ yysize = 0;
+ break;
+ }
+ }
+ yysize += (sizeof ("syntax error, unexpected ")
+ + 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)
+ {
+ yyprefix = ", expecting ";
+ for (yyx = yyxbegin; yyx < yyxend; ++yyx)
+ if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+ {
+ yyp = yystpcpy (yyp, yyprefix);
+ yyp = yystpcpy (yyp, yytname[yyx]);
+ yyprefix = " or ";
+ }
+ }
+ yyerror (pc, yymsg);
+ YYSTACK_FREE (yymsg);
+ }
+ else
+ yyerror (pc, "syntax error; also virtual memory exhausted");
+ }
+ else
+#endif /* YYERROR_VERBOSE */
+ yyerror (pc, "syntax error");
+ }
+
+
+
+ if (yyerrstatus == 3)
+ {
+ /* If just tried and failed to reuse lookahead token after an
+ error, discard it. */
+
+ if (yychar <= YYEOF)
+ {
+ /* If at end of input, pop the error token,
+ then the rest of the stack, then return failure. */
+ if (yychar == YYEOF)
+ for (;;)
+ {
+ YYPOPSTACK;
+ if (yyssp == yyss)
+ YYABORT;
+ YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp);
+ yydestruct (yystos[*yyssp], yyvsp);
+ }
+ }
+ else
+ {
+ 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;
+
+
+/*---------------------------------------------------.
+| yyerrorlab -- error raised explicitly by YYERROR. |
+`---------------------------------------------------*/
+yyerrorlab:
+
+#ifdef __GNUC__
+ /* Pacify GCC when the user code never invokes YYERROR and the label
+ yyerrorlab therefore never appears in user code. */
+ if (0)
+ goto yyerrorlab;
+#endif
+
+ yyvsp -= yylen;
+ yyssp -= yylen;
+ yystate = *yyssp;
+ goto yyerrlab1;
+
+
+/*-------------------------------------------------------------.
+| yyerrlab1 -- common code for both syntax error and YYERROR. |
+`-------------------------------------------------------------*/
+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);
+ YYPOPSTACK;
+ 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 (pc, "parser stack overflow");
+ yyresult = 2;
+ /* Fall through. */
+#endif
+
+yyreturn:
+#ifndef yyoverflow
+ if (yyss != yyssa)
+ YYSTACK_FREE (yyss);
+#endif
+ return yyresult;
+}
+
+
+#line 568 "getdate.y"
+
+
+static table const meridian_table[] =
+{
+ { "AM", tMERIDIAN, MERam },
+ { "A.M.", tMERIDIAN, MERam },
+ { "PM", tMERIDIAN, MERpm },
+ { "P.M.", tMERIDIAN, MERpm },
+ { NULL, 0, 0 }
+};
+
+static table const dst_table[] =
+{
+ { "DST", tDST, 0 }
+};
+
+static table const month_and_day_table[] =
+{
+ { "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 }
+};
+
+static table const time_units_table[] =
+{
+ { "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 relative_time_table[] =
+{
+ { "TOMORROW", tDAY_UNIT, 1 },
+ { "YESTERDAY",tDAY_UNIT, -1 },
+ { "TODAY", tDAY_UNIT, 0 },
+ { "NOW", tDAY_UNIT, 0 },
+ { "LAST", tORDINAL, -1 },
+ { "THIS", tORDINAL, 0 },
+ { "NEXT", tORDINAL, 1 },
+ { "FIRST", tORDINAL, 1 },
+/*{ "SECOND", tORDINAL, 2 }, */
+ { "THIRD", tORDINAL, 3 },
+ { "FOURTH", tORDINAL, 4 },
+ { "FIFTH", tORDINAL, 5 },
+ { "SIXTH", tORDINAL, 6 },
+ { "SEVENTH", tORDINAL, 7 },
+ { "EIGHTH", tORDINAL, 8 },
+ { "NINTH", tORDINAL, 9 },
+ { "TENTH", tORDINAL, 10 },
+ { "ELEVENTH", tORDINAL, 11 },
+ { "TWELFTH", tORDINAL, 12 },
+ { "AGO", tAGO, 1 },
+ { NULL, 0, 0 }
+};
+
+/* The universal time zone table. These labels can be used even for
+ time stamps that would not otherwise be valid, e.g., GMT time
+ stamps in London during summer. */
+static table const universal_time_zone_table[] =
+{
+ { "GMT", tZONE, HOUR ( 0) }, /* Greenwich Mean */
+ { "UT", tZONE, HOUR ( 0) }, /* Universal (Coordinated) */
+ { "UTC", tZONE, HOUR ( 0) },
+ { NULL, 0, 0 }
+};
+
+/* The time zone table. This table is necessarily incomplete, as time
+ zone abbreviations are ambiguous; e.g. Australians interpret "EST"
+ as Eastern time in Australia, not as US Eastern Standard Time.
+ You cannot rely on getdate to handle arbitrary time zone
+ abbreviations; use numeric abbreviations like `-0500' instead. */
+static table const time_zone_table[] =
+{
+ { "WET", tZONE, HOUR ( 0) }, /* Western European */
+ { "WEST", tDAYZONE, HOUR ( 0) }, /* Western European Summer */
+ { "BST", tDAYZONE, HOUR ( 0) }, /* British Summer */
+ { "ART", tZONE, -HOUR ( 3) }, /* Argentina */
+ { "BRT", tZONE, -HOUR ( 3) }, /* Brazil */
+ { "BRST", tDAYZONE, -HOUR ( 3) }, /* Brazil Summer */
+ { "NST", tZONE, -(HOUR ( 3) + 30) }, /* Newfoundland Standard */
+ { "NDT", tDAYZONE,-(HOUR ( 3) + 30) }, /* Newfoundland Daylight */
+ { "AST", tZONE, -HOUR ( 4) }, /* Atlantic Standard */
+ { "ADT", tDAYZONE, -HOUR ( 4) }, /* Atlantic Daylight */
+ { "CLT", tZONE, -HOUR ( 4) }, /* Chile */
+ { "CLST", tDAYZONE, -HOUR ( 4) }, /* Chile Summer */
+ { "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 */
+ { "AKST", tZONE, -HOUR ( 9) }, /* Alaska Standard */
+ { "AKDT", tDAYZONE, -HOUR ( 9) }, /* Alaska Daylight */
+ { "HST", tZONE, -HOUR (10) }, /* Hawaii Standard */
+ { "HAST", tZONE, -HOUR (10) }, /* Hawaii-Aleutian Standard */
+ { "HADT", tDAYZONE, -HOUR (10) }, /* Hawaii-Aleutian Daylight */
+ { "SST", tZONE, -HOUR (12) }, /* Samoa Standard */
+ { "WAT", tZONE, HOUR ( 1) }, /* West Africa */
+ { "CET", tZONE, HOUR ( 1) }, /* Central European */
+ { "CEST", tDAYZONE, HOUR ( 1) }, /* Central European Summer */
+ { "MET", tZONE, HOUR ( 1) }, /* Middle European */
+ { "MEZ", tZONE, HOUR ( 1) }, /* Middle European */
+ { "MEST", tDAYZONE, HOUR ( 1) }, /* Middle European Summer */
+ { "MESZ", tDAYZONE, HOUR ( 1) }, /* Middle European Summer */
+ { "EET", tZONE, HOUR ( 2) }, /* Eastern European */
+ { "EEST", tDAYZONE, HOUR ( 2) }, /* Eastern European Summer */
+ { "CAT", tZONE, HOUR ( 2) }, /* Central Africa */
+ { "SAST", tZONE, HOUR ( 2) }, /* South Africa Standard */
+ { "EAT", tZONE, HOUR ( 3) }, /* East Africa */
+ { "MSK", tZONE, HOUR ( 3) }, /* Moscow */
+ { "MSD", tDAYZONE, HOUR ( 3) }, /* Moscow Daylight */
+ { "IST", tZONE, (HOUR ( 5) + 30) }, /* India Standard */
+ { "SGT", tZONE, HOUR ( 8) }, /* Singapore */
+ { "KST", tZONE, HOUR ( 9) }, /* Korea Standard */
+ { "JST", tZONE, HOUR ( 9) }, /* Japan Standard */
+ { "GST", tZONE, HOUR (10) }, /* Guam Standard */
+ { "NZST", tZONE, HOUR (12) }, /* New Zealand Standard */
+ { "NZDT", tDAYZONE, HOUR (12) }, /* New Zealand Daylight */
+ { NULL, 0, 0 }
+};
+
+/* Military time zone table. */
+static table const military_table[] =
+{
+ { "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 }
+};
+
+
+
+/* Convert a time zone expressed as HH:MM into an integer count of
+ minutes. If MM is negative, then S is of the form HHMM and needs
+ to be picked apart; otherwise, S is of the form HH. */
+
+static long int
+time_zone_hhmm (textint s, long int mm)
+{
+ if (mm < 0)
+ return (s.value / 100) * 60 + s.value % 100;
+ else
+ return s.value * 60 + (s.negative ? -mm : mm);
+}
+
+static int
+to_hour (long int hours, int meridian)
+{
+ switch (meridian)
+ {
+ default: /* Pacify GCC. */
+ case MER24:
+ return 0 <= hours && hours < 24 ? hours : -1;
+ case MERam:
+ return 0 < hours && hours < 12 ? hours : hours == 12 ? 0 : -1;
+ case MERpm:
+ return 0 < hours && hours < 12 ? hours + 12 : hours == 12 ? 12 : -1;
+ }
+}
+
+static long int
+to_year (textint textyear)
+{
+ long int year = textyear.value;
+
+ if (year < 0)
+ year = -year;
+
+ /* XPG4 suggests that years 00-68 map to 2000-2068, and
+ years 69-99 map to 1969-1999. */
+ else if (textyear.digits == 2)
+ year += year < 69 ? 2000 : 1900;
+
+ return year;
+}
+
+static table const *
+lookup_zone (parser_control const *pc, char const *name)
+{
+ table const *tp;
+
+ for (tp = universal_time_zone_table; tp->name; tp++)
+ if (strcmp (name, tp->name) == 0)
+ return tp;
+
+ /* Try local zone abbreviations before those in time_zone_table, as
+ the local ones are more likely to be right. */
+ for (tp = pc->local_time_zone_table; tp->name; tp++)
+ if (strcmp (name, tp->name) == 0)
+ return tp;
+
+ for (tp = time_zone_table; tp->name; tp++)
+ if (strcmp (name, tp->name) == 0)
+ return tp;
+
+ return NULL;
+}
+
+#if ! HAVE_TM_GMTOFF
+/* Yield the difference between *A and *B,
+ measured in seconds, ignoring leap seconds.
+ The body of this function is taken directly from the GNU C Library;
+ see src/strftime.c. */
+static long int
+tm_diff (struct tm const *a, struct tm const *b)
+{
+ /* Compute intervening leap days correctly even if year is negative.
+ Take care to avoid int overflow in leap day calculations. */
+ int a4 = SHR (a->tm_year, 2) + SHR (TM_YEAR_BASE, 2) - ! (a->tm_year & 3);
+ int b4 = SHR (b->tm_year, 2) + SHR (TM_YEAR_BASE, 2) - ! (b->tm_year & 3);
+ int a100 = a4 / 25 - (a4 % 25 < 0);
+ int b100 = b4 / 25 - (b4 % 25 < 0);
+ int a400 = SHR (a100, 2);
+ int b400 = SHR (b100, 2);
+ int intervening_leap_days = (a4 - b4) - (a100 - b100) + (a400 - b400);
+ long int ayear = a->tm_year;
+ long int years = ayear - b->tm_year;
+ long int days = (365 * years + intervening_leap_days
+ + (a->tm_yday - b->tm_yday));
+ return (60 * (60 * (24 * days + (a->tm_hour - b->tm_hour))
+ + (a->tm_min - b->tm_min))
+ + (a->tm_sec - b->tm_sec));
+}
+#endif /* ! HAVE_TM_GMTOFF */
+
+static table const *
+lookup_word (parser_control const *pc, char *word)
+{
+ char *p;
+ char *q;
+ size_t wordlen;
+ table const *tp;
+ bool period_found;
+ bool abbrev;
+
+ /* Make it uppercase. */
+ for (p = word; *p; p++)
+ {
+ unsigned char ch = *p;
+ if (ISLOWER (ch))
+ *p = toupper (ch);
+ }
+
+ for (tp = meridian_table; tp->name; tp++)
+ if (strcmp (word, tp->name) == 0)
+ return tp;
+
+ /* See if we have an abbreviation for a month. */
+ wordlen = strlen (word);
+ abbrev = wordlen == 3 || (wordlen == 4 && word[3] == '.');
+
+ for (tp = month_and_day_table; tp->name; tp++)
+ if ((abbrev ? strncmp (word, tp->name, 3) : strcmp (word, tp->name)) == 0)
+ return tp;
+
+ if ((tp = lookup_zone (pc, word)))
+ return tp;
+
+ if (strcmp (word, dst_table[0].name) == 0)
+ return dst_table;
+
+ for (tp = time_units_table; tp->name; tp++)
+ if (strcmp (word, tp->name) == 0)
+ return tp;
+
+ /* Strip off any plural and try the units table again. */
+ if (word[wordlen - 1] == 'S')
+ {
+ word[wordlen - 1] = '\0';
+ for (tp = time_units_table; tp->name; tp++)
+ if (strcmp (word, tp->name) == 0)
+ return tp;
+ word[wordlen - 1] = 'S'; /* For "this" in relative_time_table. */
+ }
+
+ for (tp = relative_time_table; tp->name; tp++)
+ if (strcmp (word, tp->name) == 0)
+ return tp;
+
+ /* Military time zones. */
+ if (wordlen == 1)
+ for (tp = military_table; tp->name; tp++)
+ if (word[0] == tp->name[0])
+ return tp;
+
+ /* Drop out any periods and try the time zone table again. */
+ for (period_found = false, p = q = word; (*p = *q); q++)
+ if (*q == '.')
+ period_found = true;
+ else
+ p++;
+ if (period_found && (tp = lookup_zone (pc, word)))
+ return tp;
+
+ return NULL;
+}
+
+static int
+yylex (YYSTYPE *lvalp, parser_control *pc)
+{
+ unsigned char c;
+ size_t count;
+
+ for (;;)
+ {
+ while (c = *pc->input, ISSPACE (c))
+ pc->input++;
+
+ if (ISDIGIT (c) || c == '-' || c == '+')
+ {
+ char const *p;
+ int sign;
+ unsigned long int value;
+ if (c == '-' || c == '+')
+ {
+ sign = c == '-' ? -1 : 1;
+ while (c = *++pc->input, ISSPACE (c))
+ continue;
+ if (! ISDIGIT (c))
+ /* skip the '-' sign */
+ continue;
+ }
+ else
+ sign = 0;
+ p = pc->input;
+ for (value = 0; ; value *= 10)
+ {
+ unsigned long int value1 = value + (c - '0');
+ if (value1 < value)
+ return '?';
+ value = value1;
+ c = *++p;
+ if (! ISDIGIT (c))
+ break;
+ if (ULONG_MAX / 10 < value)
+ return '?';
+ }
+ if ((c == '.' || c == ',') && ISDIGIT (p[1]))
+ {
+ time_t s;
+ int ns;
+ int digits;
+ unsigned long int value1;
+
+ /* Check for overflow when converting value to time_t. */
+ if (sign < 0)
+ {
+ s = - value;
+ if (0 < s)
+ return '?';
+ value1 = -s;
+ }
+ else
+ {
+ s = value;
+ if (s < 0)
+ return '?';
+ value1 = s;
+ }
+ if (value != value1)
+ return '?';
+
+ /* Accumulate fraction, to ns precision. */
+ p++;
+ ns = *p++ - '0';
+ for (digits = 2; digits <= LOG10_BILLION; digits++)
+ {
+ ns *= 10;
+ if (ISDIGIT (*p))
+ ns += *p++ - '0';
+ }
+
+ /* Skip excess digits, truncating toward -Infinity. */
+ if (sign < 0)
+ for (; ISDIGIT (*p); p++)
+ if (*p != '0')
+ {
+ ns++;
+ break;
+ }
+ while (ISDIGIT (*p))
+ p++;
+
+ /* Adjust to the timespec convention, which is that
+ tv_nsec is always a positive offset even if tv_sec is
+ negative. */
+ if (sign < 0 && ns)
+ {
+ s--;
+ if (! (s < 0))
+ return '?';
+ ns = BILLION - ns;
+ }
+
+ lvalp->timespec.tv_sec = s;
+ lvalp->timespec.tv_nsec = ns;
+ pc->input = p;
+ return sign ? tSDECIMAL_NUMBER : tUDECIMAL_NUMBER;
+ }
+ else
+ {
+ lvalp->textintval.negative = sign < 0;
+ if (sign < 0)
+ {
+ lvalp->textintval.value = - value;
+ if (0 < lvalp->textintval.value)
+ return '?';
+ }
+ else
+ {
+ lvalp->textintval.value = value;
+ if (lvalp->textintval.value < 0)
+ return '?';
+ }
+ lvalp->textintval.digits = p - pc->input;
+ pc->input = p;
+ return sign ? tSNUMBER : tUNUMBER;
+ }
+ }
+
+ if (ISALPHA (c))
+ {
+ char buff[20];
+ char *p = buff;
+ table const *tp;
+
+ do
+ {
+ if (p < buff + sizeof buff - 1)
+ *p++ = c;
+ c = *++pc->input;
+ }
+ while (ISALPHA (c) || c == '.');
+
+ *p = '\0';
+ tp = lookup_word (pc, buff);
+ if (! tp)
+ return '?';
+ lvalp->intval = tp->value;
+ return tp->type;
+ }
+
+ if (c != '(')
+ return *pc->input++;
+ count = 0;
+ do
+ {
+ c = *pc->input++;
+ if (c == '\0')
+ return c;
+ if (c == '(')
+ count++;
+ else if (c == ')')
+ count--;
+ }
+ while (count != 0);
+ }
+}
+
+/* Do nothing if the parser reports an error. */
+static int
+yyerror (parser_control *pc ATTRIBUTE_UNUSED, char *s ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+/* If *TM0 is the old and *TM1 is the new value of a struct tm after
+ passing it to mktime, return true if it's OK that mktime returned T.
+ It's not OK if *TM0 has out-of-range members. */
+
+static bool
+mktime_ok (struct tm const *tm0, struct tm const *tm1, time_t t)
+{
+ if (t == (time_t) -1)
+ {
+ /* Guard against falsely reporting an error when parsing a time
+ stamp that happens to equal (time_t) -1, on a host that
+ supports such a time stamp. */
+ tm1 = localtime (&t);
+ if (!tm1)
+ return false;
+ }
+
+ return ! ((tm0->tm_sec ^ tm1->tm_sec)
+ | (tm0->tm_min ^ tm1->tm_min)
+ | (tm0->tm_hour ^ tm1->tm_hour)
+ | (tm0->tm_mday ^ tm1->tm_mday)
+ | (tm0->tm_mon ^ tm1->tm_mon)
+ | (tm0->tm_year ^ tm1->tm_year));
+}
+
+/* A reasonable upper bound for the size of ordinary TZ strings.
+ Use heap allocation if TZ's length exceeds this. */
+enum { TZBUFSIZE = 100 };
+
+/* Return a copy of TZ, stored in TZBUF if it fits, and heap-allocated
+ otherwise. */
+static char *
+get_tz (char tzbuf[TZBUFSIZE])
+{
+ char *tz = getenv ("TZ");
+ if (tz)
+ {
+ size_t tzsize = strlen (tz) + 1;
+ tz = (tzsize <= TZBUFSIZE
+ ? memcpy (tzbuf, tz, tzsize)
+ : xmemdup (tz, tzsize));
+ }
+ return tz;
+}
+
+/* Parse a date/time string, storing the resulting time value into *RESULT.
+ The string itself is pointed to by P. Return true if successful.
+ P can be an incomplete or relative time specification; if so, use
+ *NOW as the basis for the returned time. */
+bool
+get_date (struct timespec *result, char const *p, struct timespec const *now)
+{
+ time_t Start;
+ long int Start_ns;
+ struct tm const *tmp;
+ struct tm tm;
+ struct tm tm0;
+ parser_control pc;
+ struct timespec gettime_buffer;
+ unsigned char c;
+ bool tz_was_altered = false;
+ char *tz0 = NULL;
+ char tz0buf[TZBUFSIZE];
+ bool ok = true;
+
+ if (! now)
+ {
+ gettime (&gettime_buffer);
+ now = &gettime_buffer;
+ }
+
+ Start = now->tv_sec;
+ Start_ns = now->tv_nsec;
+
+ tmp = localtime (&now->tv_sec);
+ if (! tmp)
+ return false;
+
+ while (c = *p, ISSPACE (c))
+ p++;
+
+ if (strncmp (p, "TZ=\"", 4) == 0)
+ {
+ char const *tzbase = p + 4;
+ size_t tzsize = 1;
+ char const *s;
+
+ for (s = tzbase; *s; s++, tzsize++)
+ if (*s == '\\')
+ {
+ s++;
+ if (! (*s == '\\' || *s == '"'))
+ break;
+ }
+ else if (*s == '"')
+ {
+ char *z;
+ char *tz1;
+ char tz1buf[TZBUFSIZE];
+ bool large_tz = TZBUFSIZE < tzsize;
+ bool setenv_ok;
+ tz0 = get_tz (tz0buf);
+ z = tz1 = large_tz ? xmalloc (tzsize) : tz1buf;
+ for (s = tzbase; *s != '"'; s++)
+ *z++ = *(s += *s == '\\');
+ *z = '\0';
+ setenv_ok = setenv ("TZ", tz1, 1) == 0;
+ if (large_tz)
+ free (tz1);
+ if (!setenv_ok)
+ goto fail;
+ tz_was_altered = true;
+ p = s + 1;
+ }
+ }
+
+ pc.input = p;
+ pc.year.value = tmp->tm_year;
+ pc.year.value += TM_YEAR_BASE;
+ pc.year.digits = 0;
+ pc.month = tmp->tm_mon + 1;
+ pc.day = tmp->tm_mday;
+ pc.hour = tmp->tm_hour;
+ pc.minutes = tmp->tm_min;
+ pc.seconds.tv_sec = tmp->tm_sec;
+ pc.seconds.tv_nsec = Start_ns;
+ tm.tm_isdst = tmp->tm_isdst;
+
+ pc.meridian = MER24;
+ pc.rel_ns = 0;
+ pc.rel_seconds = 0;
+ pc.rel_minutes = 0;
+ pc.rel_hour = 0;
+ pc.rel_day = 0;
+ pc.rel_month = 0;
+ pc.rel_year = 0;
+ pc.timespec_seen = false;
+ pc.rels_seen = false;
+ pc.dates_seen = 0;
+ pc.days_seen = 0;
+ pc.times_seen = 0;
+ pc.local_zones_seen = 0;
+ pc.dsts_seen = 0;
+ pc.zones_seen = 0;
+
+#if HAVE_STRUCT_TM_TM_ZONE
+ pc.local_time_zone_table[0].name = tmp->tm_zone;
+ pc.local_time_zone_table[0].type = tLOCAL_ZONE;
+ pc.local_time_zone_table[0].value = tmp->tm_isdst;
+ pc.local_time_zone_table[1].name = NULL;
+
+ /* Probe the names used in the next three calendar quarters, looking
+ for a tm_isdst different from the one we already have. */
+ {
+ int quarter;
+ for (quarter = 1; quarter <= 3; quarter++)
+ {
+ time_t probe = Start + quarter * (90 * 24 * 60 * 60);
+ struct tm const *probe_tm = localtime (&probe);
+ if (probe_tm && probe_tm->tm_zone
+ && probe_tm->tm_isdst != pc.local_time_zone_table[0].value)
+ {
+ {
+ pc.local_time_zone_table[1].name = probe_tm->tm_zone;
+ pc.local_time_zone_table[1].type = tLOCAL_ZONE;
+ pc.local_time_zone_table[1].value = probe_tm->tm_isdst;
+ pc.local_time_zone_table[2].name = NULL;
+ }
+ break;
+ }
+ }
+ }
+#else
+#if HAVE_TZNAME
+ {
+# ifndef tzname
+ extern char *tzname[];
+# endif
+ int i;
+ for (i = 0; i < 2; i++)
+ {
+ pc.local_time_zone_table[i].name = tzname[i];
+ pc.local_time_zone_table[i].type = tLOCAL_ZONE;
+ pc.local_time_zone_table[i].value = i;
+ }
+ pc.local_time_zone_table[i].name = NULL;
+ }
+#else
+ pc.local_time_zone_table[0].name = NULL;
+#endif
+#endif
+
+ if (pc.local_time_zone_table[0].name && pc.local_time_zone_table[1].name
+ && ! strcmp (pc.local_time_zone_table[0].name,
+ pc.local_time_zone_table[1].name))
+ {
+ /* This locale uses the same abbrevation for standard and
+ daylight times. So if we see that abbreviation, we don't
+ know whether it's daylight time. */
+ pc.local_time_zone_table[0].value = -1;
+ pc.local_time_zone_table[1].name = NULL;
+ }
+
+ if (yyparse (&pc) != 0)
+ goto fail;
+
+ if (pc.timespec_seen)
+ *result = pc.seconds;
+ else
+ {
+ if (1 < (pc.times_seen | pc.dates_seen | pc.days_seen | pc.dsts_seen
+ | (pc.local_zones_seen + pc.zones_seen)))
+ goto fail;
+
+ tm.tm_year = to_year (pc.year) - TM_YEAR_BASE;
+ tm.tm_mon = pc.month - 1;
+ tm.tm_mday = pc.day;
+ if (pc.times_seen || (pc.rels_seen && ! pc.dates_seen && ! pc.days_seen))
+ {
+ tm.tm_hour = to_hour (pc.hour, pc.meridian);
+ if (tm.tm_hour < 0)
+ goto fail;
+ tm.tm_min = pc.minutes;
+ tm.tm_sec = pc.seconds.tv_sec;
+ }
+ else
+ {
+ tm.tm_hour = tm.tm_min = tm.tm_sec = 0;
+ pc.seconds.tv_nsec = 0;
+ }
+
+ /* Let mktime deduce tm_isdst if we have an absolute time stamp. */
+ if (!pc.rels_seen)
+ tm.tm_isdst = -1;
+
+ /* But if the input explicitly specifies local time with or without
+ DST, give mktime that information. */
+ if (pc.local_zones_seen)
+ tm.tm_isdst = pc.local_isdst;
+
+ tm0 = tm;
+
+ Start = mktime (&tm);
+
+ if (! mktime_ok (&tm0, &tm, Start))
+ {
+ if (! pc.zones_seen)
+ goto fail;
+ else
+ {
+ /* Guard against falsely reporting errors near the time_t
+ boundaries when parsing times in other time zones. For
+ example, suppose the input string "1969-12-31 23:00:00 -0100",
+ the current time zone is 8 hours ahead of UTC, and the min
+ time_t value is 1970-01-01 00:00:00 UTC. Then the min
+ localtime value is 1970-01-01 08:00:00, and mktime will
+ therefore fail on 1969-12-31 23:00:00. To work around the
+ problem, set the time zone to 1 hour behind UTC temporarily
+ by setting TZ="XXX1:00" and try mktime again. */
+
+ long int time_zone = pc.time_zone;
+ long int abs_time_zone = time_zone < 0 ? - time_zone : time_zone;
+ long int abs_time_zone_hour = abs_time_zone / 60;
+ int abs_time_zone_min = abs_time_zone % 60;
+ char tz1buf[sizeof "XXX+0:00"
+ + sizeof pc.time_zone * CHAR_BIT / 3];
+ if (!tz_was_altered)
+ tz0 = get_tz (tz0buf);
+ sprintf (tz1buf, "XXX%s%ld:%02d", "-" + (time_zone < 0),
+ abs_time_zone_hour, abs_time_zone_min);
+ if (setenv ("TZ", tz1buf, 1) != 0)
+ goto fail;
+ tz_was_altered = true;
+ tm = tm0;
+ Start = mktime (&tm);
+ if (! mktime_ok (&tm0, &tm, Start))
+ goto fail;
+ }
+ }
+
+ if (pc.days_seen && ! pc.dates_seen)
+ {
+ tm.tm_mday += ((pc.day_number - tm.tm_wday + 7) % 7
+ + 7 * (pc.day_ordinal - (0 < pc.day_ordinal)));
+ tm.tm_isdst = -1;
+ Start = mktime (&tm);
+ if (Start == (time_t) -1)
+ goto fail;
+ }
+
+ if (pc.zones_seen)
+ {
+ long int delta = pc.time_zone * 60;
+ time_t t1;
+#ifdef HAVE_TM_GMTOFF
+ delta -= tm.tm_gmtoff;
+#else
+ time_t t = Start;
+ struct tm const *gmt = gmtime (&t);
+ if (! gmt)
+ goto fail;
+ delta -= tm_diff (&tm, gmt);
+#endif
+ t1 = Start - delta;
+ if ((Start < t1) != (delta < 0))
+ goto fail; /* time_t overflow */
+ Start = t1;
+ }
+
+ /* Add relative date. */
+ if (pc.rel_year | pc.rel_month | pc.rel_day)
+ {
+ int year = tm.tm_year + pc.rel_year;
+ int month = tm.tm_mon + pc.rel_month;
+ int day = tm.tm_mday + pc.rel_day;
+ if (((year < tm.tm_year) ^ (pc.rel_year < 0))
+ | ((month < tm.tm_mon) ^ (pc.rel_month < 0))
+ | ((day < tm.tm_mday) ^ (pc.rel_day < 0)))
+ goto fail;
+ tm.tm_year = year;
+ tm.tm_mon = month;
+ tm.tm_mday = day;
+ Start = mktime (&tm);
+ if (Start == (time_t) -1)
+ goto fail;
+ }
+
+ /* Add relative hours, minutes, and seconds. On hosts that support
+ leap seconds, ignore the possibility of leap seconds; e.g.,
+ "+ 10 minutes" adds 600 seconds, even if one of them is a
+ leap second. Typically this is not what the user wants, but it's
+ too hard to do it the other way, because the time zone indicator
+ must be applied before relative times, and if mktime is applied
+ again the time zone will be lost. */
+ {
+ long int sum_ns = pc.seconds.tv_nsec + pc.rel_ns;
+ long int normalized_ns = (sum_ns % BILLION + BILLION) % BILLION;
+ time_t t0 = Start;
+ long int d1 = 60 * 60 * pc.rel_hour;
+ time_t t1 = t0 + d1;
+ long int d2 = 60 * pc.rel_minutes;
+ time_t t2 = t1 + d2;
+ long int d3 = pc.rel_seconds;
+ time_t t3 = t2 + d3;
+ long int d4 = (sum_ns - normalized_ns) / BILLION;
+ time_t t4 = t3 + d4;
+
+ if ((d1 / (60 * 60) ^ pc.rel_hour)
+ | (d2 / 60 ^ pc.rel_minutes)
+ | ((t1 < t0) ^ (d1 < 0))
+ | ((t2 < t1) ^ (d2 < 0))
+ | ((t3 < t2) ^ (d3 < 0))
+ | ((t4 < t3) ^ (d4 < 0)))
+ goto fail;
+
+ result->tv_sec = t4;
+ result->tv_nsec = normalized_ns;
+ }
+ }
+
+ goto done;
+
+ fail:
+ ok = false;
+ done:
+ if (tz_was_altered)
+ ok &= (tz0 ? setenv ("TZ", tz0, 1) : unsetenv ("TZ")) == 0;
+ if (tz0 != tz0buf)
+ free (tz0);
+ return ok;
+}
+
+#if TEST
+
+int
+main (int ac, char **av)
+{
+ char buff[BUFSIZ];
+
+ printf ("Enter date, or blank line to exit.\n\t> ");
+ fflush (stdout);
+
+ buff[BUFSIZ - 1] = '\0';
+ while (fgets (buff, BUFSIZ - 1, stdin) && buff[0])
+ {
+ struct timespec d;
+ struct tm const *tm;
+ if (! get_date (&d, buff, NULL))
+ printf ("Bad format - couldn't convert.\n");
+ else if (! (tm = localtime (&d.tv_sec)))
+ {
+ long int sec = d.tv_sec;
+ printf ("localtime (%ld) failed\n", sec);
+ }
+ else
+ {
+ int ns = d.tv_nsec;
+ printf ("%04ld-%02d-%02d %02d:%02d:%02d.%09d\n",
+ tm->tm_year + 1900L, tm->tm_mon + 1, tm->tm_mday,
+ tm->tm_hour, tm->tm_min, tm->tm_sec, ns);
+ }
+ printf ("\t> ");
+ fflush (stdout);
+ }
+ return 0;
+}
+#endif /* TEST */
+
+
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