annotate lib/getdate.y @ 1929:f7d4ee7478d7

(get_date): Rename outermost local `probe' to `quarter'.
author Jim Meyering <jim@meyering.net>
date Sun, 29 Aug 1999 12:28:56 +0000
parents 3119c326ccc8
children 92632825178b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
1 %{
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
2 /* Parse a string into an internal time stamp.
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
3 Copyright 1999 Free Software Foundation, Inc.
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
4
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
5 This program is free software; you can redistribute it and/or modify
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
6 it under the terms of the GNU General Public License as published by
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
7 the Free Software Foundation; either version 2, or (at your option)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
8 any later version.
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
9
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
10 This program is distributed in the hope that it will be useful,
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
13 GNU General Public License for more details.
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
14
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
15 You should have received a copy of the GNU General Public License
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
16 along with this program; if not, write to the Free Software Foundation,
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
17 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
18
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
19 /* Originally written by Steven M. Bellovin <smb@research.att.com> while
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
20 at the University of North Carolina at Chapel Hill. Later tweaked by
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
21 a couple of people on Usenet. Completely overhauled by Rich $alz
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
22 <rsalz@bbn.com> and Jim Berets <jberets@bbn.com> in August, 1990.
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
23
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
24 Modified by Paul Eggert <eggert@twinsun.com> in August 1999 to do
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
25 the right thing about local DST. Unlike previous versions, this
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
26 version is reentrant. */
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
27
48
e5f368fdc8c2 update from fsf
Jim Meyering <jim@meyering.net>
parents: 16
diff changeset
28 #ifdef HAVE_CONFIG_H
855
9c89b90524b8 (get_date): Change prototype to reflect const'ness of parameters.
Jim Meyering <jim@meyering.net>
parents: 852
diff changeset
29 # include <config.h>
1717
4b9de8310f84 <alloca.h>: Include if HAVE_ALLOCA_H, not FORCE_ALLOCA_H.
Jim Meyering <jim@meyering.net>
parents: 1584
diff changeset
30 # ifdef HAVE_ALLOCA_H
855
9c89b90524b8 (get_date): Change prototype to reflect const'ness of parameters.
Jim Meyering <jim@meyering.net>
parents: 852
diff changeset
31 # include <alloca.h>
9c89b90524b8 (get_date): Change prototype to reflect const'ness of parameters.
Jim Meyering <jim@meyering.net>
parents: 852
diff changeset
32 # endif
101
40a78c8d27fd merge with 1.8.1a
Jim Meyering <jim@meyering.net>
parents: 100
diff changeset
33 #endif
48
e5f368fdc8c2 update from fsf
Jim Meyering <jim@meyering.net>
parents: 16
diff changeset
34
100
4d645beabfa4 merge with 1.8.1 + partial --version and --help
Jim Meyering <jim@meyering.net>
parents: 49
diff changeset
35 /* Since the code of getdate.y is not included in the Emacs executable
4d645beabfa4 merge with 1.8.1 + partial --version and --help
Jim Meyering <jim@meyering.net>
parents: 49
diff changeset
36 itself, there is no need to #define static in this file. Even if
4d645beabfa4 merge with 1.8.1 + partial --version and --help
Jim Meyering <jim@meyering.net>
parents: 49
diff changeset
37 the code were included in the Emacs executable, it probably
4d645beabfa4 merge with 1.8.1 + partial --version and --help
Jim Meyering <jim@meyering.net>
parents: 49
diff changeset
38 wouldn't do any harm to #undef it here; this will only cause
4d645beabfa4 merge with 1.8.1 + partial --version and --help
Jim Meyering <jim@meyering.net>
parents: 49
diff changeset
39 problems if we try to write to a static variable, which I don't
4d645beabfa4 merge with 1.8.1 + partial --version and --help
Jim Meyering <jim@meyering.net>
parents: 49
diff changeset
40 think this code needs to do. */
4d645beabfa4 merge with 1.8.1 + partial --version and --help
Jim Meyering <jim@meyering.net>
parents: 49
diff changeset
41 #ifdef emacs
855
9c89b90524b8 (get_date): Change prototype to reflect const'ness of parameters.
Jim Meyering <jim@meyering.net>
parents: 852
diff changeset
42 # undef static
100
4d645beabfa4 merge with 1.8.1 + partial --version and --help
Jim Meyering <jim@meyering.net>
parents: 49
diff changeset
43 #endif
4d645beabfa4 merge with 1.8.1 + partial --version and --help
Jim Meyering <jim@meyering.net>
parents: 49
diff changeset
44
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
45 #include <ctype.h>
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
46
1785
197f4bdf9a3d <stdlib.h>: Include if HAVE_STDLIB_H, since bison 1.27 invokes "free".
Jim Meyering <jim@meyering.net>
parents: 1777
diff changeset
47 #if HAVE_STDLIB_H
197f4bdf9a3d <stdlib.h>: Include if HAVE_STDLIB_H, since bison 1.27 invokes "free".
Jim Meyering <jim@meyering.net>
parents: 1777
diff changeset
48 # include <stdlib.h> /* for `free'; used by Bison 1.27 */
197f4bdf9a3d <stdlib.h>: Include if HAVE_STDLIB_H, since bison 1.27 invokes "free".
Jim Meyering <jim@meyering.net>
parents: 1777
diff changeset
49 #endif
197f4bdf9a3d <stdlib.h>: Include if HAVE_STDLIB_H, since bison 1.27 invokes "free".
Jim Meyering <jim@meyering.net>
parents: 1777
diff changeset
50
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
51 #if STDC_HEADERS || (! defined isascii && ! HAVE_ISASCII)
811
193f7d202848 (IN_CTYPE_DOMAIN): Rename from ISASCII.
Jim Meyering <jim@meyering.net>
parents: 805
diff changeset
52 # define IN_CTYPE_DOMAIN(c) 1
688
cc4dbb9f5f58 Define and use upper case variants of ctype.h IS* macros.
Jim Meyering <jim@meyering.net>
parents: 562
diff changeset
53 #else
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
54 # define IN_CTYPE_DOMAIN(c) isascii (c)
688
cc4dbb9f5f58 Define and use upper case variants of ctype.h IS* macros.
Jim Meyering <jim@meyering.net>
parents: 562
diff changeset
55 #endif
cc4dbb9f5f58 Define and use upper case variants of ctype.h IS* macros.
Jim Meyering <jim@meyering.net>
parents: 562
diff changeset
56
811
193f7d202848 (IN_CTYPE_DOMAIN): Rename from ISASCII.
Jim Meyering <jim@meyering.net>
parents: 805
diff changeset
57 #define ISSPACE(c) (IN_CTYPE_DOMAIN (c) && isspace (c))
193f7d202848 (IN_CTYPE_DOMAIN): Rename from ISASCII.
Jim Meyering <jim@meyering.net>
parents: 805
diff changeset
58 #define ISALPHA(c) (IN_CTYPE_DOMAIN (c) && isalpha (c))
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
59 #define ISLOWER(c) (IN_CTYPE_DOMAIN (c) && islower (c))
811
193f7d202848 (IN_CTYPE_DOMAIN): Rename from ISASCII.
Jim Meyering <jim@meyering.net>
parents: 805
diff changeset
60 #define ISDIGIT_LOCALE(c) (IN_CTYPE_DOMAIN (c) && isdigit (c))
814
3976dc4f68dd add blank line.
Jim Meyering <jim@meyering.net>
parents: 811
diff changeset
61
811
193f7d202848 (IN_CTYPE_DOMAIN): Rename from ISASCII.
Jim Meyering <jim@meyering.net>
parents: 805
diff changeset
62 /* ISDIGIT differs from ISDIGIT_LOCALE, as follows:
193f7d202848 (IN_CTYPE_DOMAIN): Rename from ISASCII.
Jim Meyering <jim@meyering.net>
parents: 805
diff changeset
63 - Its arg may be any int or unsigned int; it need not be an unsigned char.
193f7d202848 (IN_CTYPE_DOMAIN): Rename from ISASCII.
Jim Meyering <jim@meyering.net>
parents: 805
diff changeset
64 - It's guaranteed to evaluate its argument exactly once.
193f7d202848 (IN_CTYPE_DOMAIN): Rename from ISASCII.
Jim Meyering <jim@meyering.net>
parents: 805
diff changeset
65 - It's typically faster.
193f7d202848 (IN_CTYPE_DOMAIN): Rename from ISASCII.
Jim Meyering <jim@meyering.net>
parents: 805
diff changeset
66 Posix 1003.2-1992 section 2.5.2.1 page 50 lines 1556-1558 says that
193f7d202848 (IN_CTYPE_DOMAIN): Rename from ISASCII.
Jim Meyering <jim@meyering.net>
parents: 805
diff changeset
67 only '0' through '9' are digits. Prefer ISDIGIT to ISDIGIT_LOCALE unless
193f7d202848 (IN_CTYPE_DOMAIN): Rename from ISASCII.
Jim Meyering <jim@meyering.net>
parents: 805
diff changeset
68 it's important to use the locale's definition of `digit' even when the
193f7d202848 (IN_CTYPE_DOMAIN): Rename from ISASCII.
Jim Meyering <jim@meyering.net>
parents: 805
diff changeset
69 host does not conform to Posix. */
193f7d202848 (IN_CTYPE_DOMAIN): Rename from ISASCII.
Jim Meyering <jim@meyering.net>
parents: 805
diff changeset
70 #define ISDIGIT(c) ((unsigned) (c) - '0' <= 9)
688
cc4dbb9f5f58 Define and use upper case variants of ctype.h IS* macros.
Jim Meyering <jim@meyering.net>
parents: 562
diff changeset
71
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
72 #if STDC_HEADERS || HAVE_STRING_H
856
3cea2ffcbce4 Indent 2 more cpp-directives to reflect nesting.
Jim Meyering <jim@meyering.net>
parents: 855
diff changeset
73 # include <string.h>
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
74 #endif
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
75
1584
0f1daf1810b4 Fix warnings from gcc -W -Wall
Jim Meyering <jim@meyering.net>
parents: 1265
diff changeset
76 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
0f1daf1810b4 Fix warnings from gcc -W -Wall
Jim Meyering <jim@meyering.net>
parents: 1265
diff changeset
77 # define __attribute__(x)
0f1daf1810b4 Fix warnings from gcc -W -Wall
Jim Meyering <jim@meyering.net>
parents: 1265
diff changeset
78 #endif
0f1daf1810b4 Fix warnings from gcc -W -Wall
Jim Meyering <jim@meyering.net>
parents: 1265
diff changeset
79
0f1daf1810b4 Fix warnings from gcc -W -Wall
Jim Meyering <jim@meyering.net>
parents: 1265
diff changeset
80 #ifndef ATTRIBUTE_UNUSED
0f1daf1810b4 Fix warnings from gcc -W -Wall
Jim Meyering <jim@meyering.net>
parents: 1265
diff changeset
81 # define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
0f1daf1810b4 Fix warnings from gcc -W -Wall
Jim Meyering <jim@meyering.net>
parents: 1265
diff changeset
82 #endif
0f1daf1810b4 Fix warnings from gcc -W -Wall
Jim Meyering <jim@meyering.net>
parents: 1265
diff changeset
83
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
84 #define EPOCH_YEAR 1970
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
85 #define TM_YEAR_ORIGIN 1900
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
86
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
87 #define HOUR(x) ((x) * 60)
100
4d645beabfa4 merge with 1.8.1 + partial --version and --help
Jim Meyering <jim@meyering.net>
parents: 49
diff changeset
88
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
89 /* An entry in the lexical lookup table. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
90 typedef struct
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
91 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
92 char const *name;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
93 int type;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
94 int value;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
95 } table;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
96
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
97 /* Meridian: am, pm, or 24-hour style. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
98 enum { MERam, MERpm, MER24 };
769
c906850e724f Remap yacc globals to have gd_ prefix.
Jim Meyering <jim@meyering.net>
parents: 688
diff changeset
99
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
100 /* Information passed to and from the parser. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
101 struct parser_control
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
102 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
103 /* The input string remaining to be parsed. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
104 const char *input;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
105
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
106 /* N, if this is the Nth Tuesday. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
107 int day_ordinal;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
108
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
109 /* Day of week; Sunday is 0. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
110 int day_number;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
111
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
112 /* tm_isdst flag for the local zone. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
113 int local_isdst;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
114
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
115 /* Time zone, in minutes east of UTC. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
116 int time_zone;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
117
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
118 /* Style used for time. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
119 int meridian;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
120
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
121 /* Gregorian year, month, day, hour, minutes, and seconds. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
122 int year;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
123 int month;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
124 int day;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
125 int hour;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
126 int minutes;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
127 int seconds;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
128
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
129 /* Relative year, month, day, hour, minutes, and seconds. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
130 int rel_year;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
131 int rel_month;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
132 int rel_day;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
133 int rel_hour;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
134 int rel_minutes;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
135 int rel_seconds;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
136
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
137 /* Counts of nonterminals of various flavors parsed so far. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
138 int dates_seen;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
139 int days_seen;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
140 int local_zones_seen;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
141 int rels_seen;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
142 int times_seen;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
143 int zones_seen;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
144
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
145 /* Table of local time zone abbrevations, terminated by a null entry. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
146 table local_time_zone_table[3];
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
147 };
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
148
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
149 #define PC (* (struct parser_control *) parm)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
150 #define YYLEX_PARAM parm
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
151 #define YYPARSE_PARAM parm
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
152 #define YYSTYPE int
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
153
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
154 static int yyerror ();
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
155 static int yylex ();
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
156
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
157 %}
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
158
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
159 /* We want a reentrant parser. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
160 %pure_parser
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
161
1203
2b6373ef4d3b Add %expect directive.
Jim Meyering <jim@meyering.net>
parents: 932
diff changeset
162 /* This grammar has 13 shift/reduce conflicts. */
2b6373ef4d3b Add %expect directive.
Jim Meyering <jim@meyering.net>
parents: 932
diff changeset
163 %expect 13
2b6373ef4d3b Add %expect directive.
Jim Meyering <jim@meyering.net>
parents: 932
diff changeset
164
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
165 %token tAGO tDAY tDAY_UNIT tDAYZONE tDST tHOUR_UNIT tID
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
166 %token tLOCAL_ZONE tMERIDIAN tMINUTE_UNIT tMONTH tMONTH_UNIT
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
167 %token tSEC_UNIT tSNUMBER tUNUMBER tYEAR_UNIT tZONE
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
168
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
169 %%
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
170
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
171 spec:
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
172 /* empty */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
173 | spec item
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
174 ;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
175
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
176 item:
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
177 time
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
178 { PC.times_seen++; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
179 | local_zone
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
180 { PC.local_zones_seen++; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
181 | zone
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
182 { PC.zones_seen++; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
183 | date
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
184 { PC.dates_seen++; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
185 | day
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
186 { PC.days_seen++; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
187 | rel
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
188 { PC.rels_seen++; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
189 | number
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
190 ;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
191
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
192 time:
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
193 tUNUMBER tMERIDIAN
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
194 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
195 PC.hour = $1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
196 PC.minutes = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
197 PC.seconds = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
198 PC.meridian = $2;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
199 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
200 | tUNUMBER ':' tUNUMBER o_merid
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
201 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
202 PC.hour = $1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
203 PC.minutes = $3;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
204 PC.seconds = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
205 PC.meridian = $4;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
206 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
207 | tUNUMBER ':' tUNUMBER tSNUMBER
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
208 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
209 PC.hour = $1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
210 PC.minutes = $3;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
211 PC.meridian = MER24;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
212 PC.zones_seen++;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
213 PC.time_zone = $4 % 100 + ($4 / 100) * 60;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
214 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
215 | tUNUMBER ':' tUNUMBER ':' tUNUMBER o_merid
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
216 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
217 PC.hour = $1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
218 PC.minutes = $3;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
219 PC.seconds = $5;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
220 PC.meridian = $6;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
221 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
222 | tUNUMBER ':' tUNUMBER ':' tUNUMBER tSNUMBER
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
223 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
224 PC.hour = $1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
225 PC.minutes = $3;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
226 PC.seconds = $5;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
227 PC.meridian = MER24;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
228 PC.zones_seen++;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
229 PC.time_zone = $6 % 100 + ($6 / 100) * 60;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
230 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
231 ;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
232
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
233 local_zone:
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
234 tLOCAL_ZONE
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
235 { PC.local_isdst = $1; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
236 | tLOCAL_ZONE tDST
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
237 { PC.local_isdst = $1 < 0 ? 1 : $1 + 1; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
238 ;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
239
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
240 zone:
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
241 tZONE
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
242 { PC.time_zone = $1; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
243 | tDAYZONE
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
244 { PC.time_zone = $1 + 60; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
245 | tZONE tDST
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
246 { PC.time_zone = $1 + 60; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
247 ;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
248
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
249 day:
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
250 tDAY
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
251 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
252 PC.day_ordinal = 1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
253 PC.day_number = $1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
254 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
255 | tDAY ','
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
256 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
257 PC.day_ordinal = 1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
258 PC.day_number = $1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
259 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
260 | tUNUMBER tDAY
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
261 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
262 PC.day_ordinal = $1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
263 PC.day_number = $2;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
264 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
265 ;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
266
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
267 date:
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
268 tUNUMBER '/' tUNUMBER
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
269 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
270 PC.month = $1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
271 PC.day = $3;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
272 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
273 | tUNUMBER '/' tUNUMBER '/' tUNUMBER
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
274 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
275 /* Interpret as YYYY/MM/DD if 1000 <= $1, otherwise as MM/DD/YY.
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
276 The goal in recognizing YYYY/MM/DD is solely to support legacy
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
277 machine-generated dates like those in an RCS log listing. If
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
278 you want portability, use the ISO 8601 format. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
279 if (1000 <= $1)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
280 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
281 PC.year = $1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
282 PC.month = $3;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
283 PC.day = $5;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
284 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
285 else
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
286 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
287 PC.month = $1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
288 PC.day = $3;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
289 PC.year = $5;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
290 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
291 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
292 | tUNUMBER tSNUMBER tSNUMBER
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
293 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
294 /* ISO 8601 format. YYYY-MM-DD. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
295 PC.year = $1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
296 PC.month = -$2;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
297 PC.day = -$3;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
298 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
299 | tUNUMBER tMONTH tSNUMBER
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
300 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
301 /* e.g. 17-JUN-1992. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
302 PC.day = $1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
303 PC.month = $2;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
304 PC.year = -$3;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
305 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
306 | tMONTH tUNUMBER
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
307 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
308 PC.month = $1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
309 PC.day = $2;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
310 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
311 | tMONTH tUNUMBER ',' tUNUMBER
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
312 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
313 PC.month = $1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
314 PC.day = $2;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
315 PC.year = $4;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
316 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
317 | tUNUMBER tMONTH
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
318 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
319 PC.month = $2;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
320 PC.day = $1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
321 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
322 | tUNUMBER tMONTH tUNUMBER
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
323 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
324 PC.month = $2;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
325 PC.day = $1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
326 PC.year = $3;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
327 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
328 ;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
329
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
330 rel:
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
331 relunit tAGO
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
332 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
333 PC.rel_seconds = -PC.rel_seconds;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
334 PC.rel_minutes = -PC.rel_minutes;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
335 PC.rel_hour = -PC.rel_hour;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
336 PC.rel_day = -PC.rel_day;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
337 PC.rel_month = -PC.rel_month;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
338 PC.rel_year = -PC.rel_year;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
339 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
340 | relunit
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
341 ;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
342
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
343 relunit:
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
344 tUNUMBER tYEAR_UNIT
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
345 { PC.rel_year += $1 * $2; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
346 | tSNUMBER tYEAR_UNIT
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
347 { PC.rel_year += $1 * $2; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
348 | tYEAR_UNIT
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
349 { PC.rel_year += $1; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
350 | tUNUMBER tMONTH_UNIT
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
351 { PC.rel_month += $1 * $2; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
352 | tSNUMBER tMONTH_UNIT
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
353 { PC.rel_month += $1 * $2; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
354 | tMONTH_UNIT
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
355 { PC.rel_month += $1; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
356 | tUNUMBER tDAY_UNIT
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
357 { PC.rel_day += $1 * $2; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
358 | tSNUMBER tDAY_UNIT
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
359 { PC.rel_day += $1 * $2; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
360 | tDAY_UNIT
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
361 { PC.rel_day += $1; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
362 | tUNUMBER tHOUR_UNIT
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
363 { PC.rel_hour += $1 * $2; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
364 | tSNUMBER tHOUR_UNIT
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
365 { PC.rel_hour += $1 * $2; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
366 | tHOUR_UNIT
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
367 { PC.rel_hour += $1; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
368 | tUNUMBER tMINUTE_UNIT
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
369 { PC.rel_minutes += $1 * $2; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
370 | tSNUMBER tMINUTE_UNIT
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
371 { PC.rel_minutes += $1 * $2; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
372 | tMINUTE_UNIT
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
373 { PC.rel_minutes += $1; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
374 | tUNUMBER tSEC_UNIT
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
375 { PC.rel_seconds += $1 * $2; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
376 | tSNUMBER tSEC_UNIT
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
377 { PC.rel_seconds += $1 * $2; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
378 | tSEC_UNIT
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
379 { PC.rel_seconds += $1; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
380 ;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
381
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
382 number:
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
383 tUNUMBER
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
384 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
385 if (PC.dates_seen && ! PC.rels_seen && (PC.times_seen || 100 <= $1))
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
386 PC.year = $1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
387 else
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
388 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
389 if (10000 < $1)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
390 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
391 PC.dates_seen++;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
392 PC.day = $1 % 100;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
393 PC.month = ($1 / 100) % 100;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
394 PC.year = $1 / 10000;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
395 }
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
396 else
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
397 {
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
398 PC.times_seen++;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
399 if ($1 < 100)
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
400 {
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
401 PC.hour = $1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
402 PC.minutes = 0;
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
403 }
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
404 else
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
405 {
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
406 PC.hour = $1 / 100;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
407 PC.minutes = $1 % 100;
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
408 }
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
409 PC.seconds = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
410 PC.meridian = MER24;
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
411 }
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
412 }
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
413 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
414 ;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
415
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
416 o_merid:
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
417 /* empty */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
418 { $$ = MER24; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
419 | tMERIDIAN
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
420 { $$ = $1; }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
421 ;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
422
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
423 %%
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
424
1203
2b6373ef4d3b Add %expect directive.
Jim Meyering <jim@meyering.net>
parents: 932
diff changeset
425 /* Include this file down here because bison inserts code above which
2b6373ef4d3b Add %expect directive.
Jim Meyering <jim@meyering.net>
parents: 932
diff changeset
426 may define-away `const'. We want the prototype for get_date to have
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
427 the same signature as the function definition. */
1265
b2af16215011 s/get-date.h/getdate.h/
Jim Meyering <jim@meyering.net>
parents: 1243
diff changeset
428 #include "getdate.h"
1203
2b6373ef4d3b Add %expect directive.
Jim Meyering <jim@meyering.net>
parents: 932
diff changeset
429
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
430 #ifndef gmtime
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
431 struct tm *gmtime ();
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
432 #endif
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
433 #ifndef localtime
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
434 struct tm *localtime ();
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
435 #endif
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
436 #ifndef mktime
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
437 time_t mktime ();
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
438 #endif
1203
2b6373ef4d3b Add %expect directive.
Jim Meyering <jim@meyering.net>
parents: 932
diff changeset
439
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
440 static table const meridian_table[] =
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
441 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
442 { "AM", tMERIDIAN, MERam },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
443 { "A.M.", tMERIDIAN, MERam },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
444 { "PM", tMERIDIAN, MERpm },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
445 { "P.M.", tMERIDIAN, MERpm },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
446 { 0, 0, 0 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
447 };
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
448
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
449 static table const dst_table[] =
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
450 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
451 { "DST", tDST, 0 }
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
452 };
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
453
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
454 static table const month_and_day_table[] =
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
455 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
456 { "JANUARY", tMONTH, 1 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
457 { "FEBRUARY", tMONTH, 2 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
458 { "MARCH", tMONTH, 3 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
459 { "APRIL", tMONTH, 4 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
460 { "MAY", tMONTH, 5 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
461 { "JUNE", tMONTH, 6 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
462 { "JULY", tMONTH, 7 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
463 { "AUGUST", tMONTH, 8 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
464 { "SEPTEMBER",tMONTH, 9 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
465 { "SEPT", tMONTH, 9 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
466 { "OCTOBER", tMONTH, 10 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
467 { "NOVEMBER", tMONTH, 11 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
468 { "DECEMBER", tMONTH, 12 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
469 { "SUNDAY", tDAY, 0 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
470 { "MONDAY", tDAY, 1 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
471 { "TUESDAY", tDAY, 2 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
472 { "TUES", tDAY, 2 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
473 { "WEDNESDAY",tDAY, 3 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
474 { "WEDNES", tDAY, 3 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
475 { "THURSDAY", tDAY, 4 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
476 { "THUR", tDAY, 4 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
477 { "THURS", tDAY, 4 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
478 { "FRIDAY", tDAY, 5 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
479 { "SATURDAY", tDAY, 6 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
480 { 0, 0, 0 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
481 };
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
482
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
483 static table const time_units_table[] =
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
484 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
485 { "YEAR", tYEAR_UNIT, 1 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
486 { "MONTH", tMONTH_UNIT, 1 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
487 { "FORTNIGHT",tDAY_UNIT, 14 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
488 { "WEEK", tDAY_UNIT, 7 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
489 { "DAY", tDAY_UNIT, 1 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
490 { "HOUR", tHOUR_UNIT, 1 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
491 { "MINUTE", tMINUTE_UNIT, 1 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
492 { "MIN", tMINUTE_UNIT, 1 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
493 { "SECOND", tSEC_UNIT, 1 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
494 { "SEC", tSEC_UNIT, 1 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
495 { 0, 0, 0 }
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
496 };
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
497
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
498 /* Assorted relative-time words. */
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
499 static table const relative_time_table[] =
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
500 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
501 { "TOMORROW", tMINUTE_UNIT, 24 * 60 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
502 { "YESTERDAY",tMINUTE_UNIT, - (24 * 60) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
503 { "TODAY", tMINUTE_UNIT, 0 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
504 { "NOW", tMINUTE_UNIT, 0 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
505 { "LAST", tUNUMBER, -1 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
506 { "THIS", tMINUTE_UNIT, 0 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
507 { "NEXT", tUNUMBER, 1 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
508 { "FIRST", tUNUMBER, 1 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
509 /*{ "SECOND", tUNUMBER, 2 }, */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
510 { "THIRD", tUNUMBER, 3 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
511 { "FOURTH", tUNUMBER, 4 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
512 { "FIFTH", tUNUMBER, 5 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
513 { "SIXTH", tUNUMBER, 6 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
514 { "SEVENTH", tUNUMBER, 7 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
515 { "EIGHTH", tUNUMBER, 8 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
516 { "NINTH", tUNUMBER, 9 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
517 { "TENTH", tUNUMBER, 10 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
518 { "ELEVENTH", tUNUMBER, 11 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
519 { "TWELFTH", tUNUMBER, 12 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
520 { "AGO", tAGO, 1 },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
521 { 0, 0, 0 }
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
522 };
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
523
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
524 /* The time zone table. This table is necessarily incomplete, as time
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
525 zone abbreviations are ambiguous; e.g. Australians interpret "EST"
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
526 as Eastern time in Australia, not as US Eastern Standard Time.
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
527 You cannot rely on getdate to handle arbitrary time zone
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
528 abbreviations; use numeric abbreviations like `-0500' instead. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
529 static table const time_zone_table[] =
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
530 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
531 { "GMT", tZONE, HOUR ( 0) }, /* Greenwich Mean */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
532 { "UT", tZONE, HOUR ( 0) }, /* Universal (Coordinated) */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
533 { "UTC", tZONE, HOUR ( 0) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
534 { "WET", tZONE, HOUR ( 0) }, /* Western European */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
535 { "WEST", tDAYZONE, HOUR ( 0) }, /* Western European Summer */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
536 { "BST", tDAYZONE, HOUR ( 0) }, /* British Summer */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
537 { "ART", tZONE, -HOUR ( 3) }, /* Argentina */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
538 { "BRT", tZONE, -HOUR ( 3) }, /* Brazil */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
539 { "BRST", tDAYZONE, -HOUR ( 3) }, /* Brazil Summer */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
540 { "NST", tZONE, -(HOUR ( 3) + 30) }, /* Newfoundland Standard */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
541 { "NDT", tDAYZONE,-(HOUR ( 3) + 30) }, /* Newfoundland Daylight */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
542 { "AST", tZONE, -HOUR ( 4) }, /* Atlantic Standard */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
543 { "ADT", tDAYZONE, -HOUR ( 4) }, /* Atlantic Daylight */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
544 { "CLT", tZONE, -HOUR ( 4) }, /* Chile */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
545 { "CLST", tDAYZONE, -HOUR ( 4) }, /* Chile Summer */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
546 { "EST", tZONE, -HOUR ( 5) }, /* Eastern Standard */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
547 { "EDT", tDAYZONE, -HOUR ( 5) }, /* Eastern Daylight */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
548 { "CST", tZONE, -HOUR ( 6) }, /* Central Standard */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
549 { "CDT", tDAYZONE, -HOUR ( 6) }, /* Central Daylight */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
550 { "MST", tZONE, -HOUR ( 7) }, /* Mountain Standard */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
551 { "MDT", tDAYZONE, -HOUR ( 7) }, /* Mountain Daylight */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
552 { "PST", tZONE, -HOUR ( 8) }, /* Pacific Standard */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
553 { "PDT", tDAYZONE, -HOUR ( 8) }, /* Pacific Daylight */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
554 { "AKST", tZONE, -HOUR ( 9) }, /* Alaska Standard */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
555 { "AKDT", tDAYZONE, -HOUR ( 9) }, /* Alaska Daylight */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
556 { "HST", tZONE, -HOUR (10) }, /* Hawaii Standard */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
557 { "HAST", tZONE, -HOUR (10) }, /* Hawaii-Aleutian Standard */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
558 { "HADT", tDAYZONE, -HOUR (10) }, /* Hawaii-Aleutian Daylight */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
559 { "SST", tZONE, -HOUR (12) }, /* Samoa Standard */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
560 { "WAT", tZONE, HOUR ( 1) }, /* West Africa */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
561 { "CET", tZONE, HOUR ( 1) }, /* Central European */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
562 { "CEST", tDAYZONE, HOUR ( 1) }, /* Central European Summer */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
563 { "MET", tZONE, HOUR ( 1) }, /* Middle European */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
564 { "MEZ", tZONE, HOUR ( 1) }, /* Middle European */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
565 { "MEST", tDAYZONE, HOUR ( 1) }, /* Middle European Summer */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
566 { "MESZ", tDAYZONE, HOUR ( 1) }, /* Middle European Summer */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
567 { "EET", tZONE, HOUR ( 2) }, /* Eastern European */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
568 { "EEST", tDAYZONE, HOUR ( 2) }, /* Eastern European Summer */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
569 { "CAT", tZONE, HOUR ( 2) }, /* Central Africa */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
570 { "SAST", tZONE, HOUR ( 2) }, /* South Africa Standard */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
571 { "EAT", tZONE, HOUR ( 3) }, /* East Africa */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
572 { "MSK", tZONE, HOUR ( 3) }, /* Moscow */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
573 { "MSD", tDAYZONE, HOUR ( 3) }, /* Moscow Daylight */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
574 { "IST", tZONE, (HOUR ( 5) + 30) }, /* India Standard */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
575 { "SGT", tZONE, HOUR ( 8) }, /* Singapore */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
576 { "KST", tZONE, HOUR ( 9) }, /* Korea Standard */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
577 { "JST", tZONE, HOUR ( 9) }, /* Japan Standard */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
578 { "GST", tZONE, HOUR (10) }, /* Guam Standard */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
579 { "NZST", tZONE, HOUR (12) }, /* New Zealand Standard */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
580 { "NZDT", tDAYZONE, HOUR (12) }, /* New Zealand Daylight */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
581 { 0, 0, 0 }
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
582 };
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
583
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
584 /* Military time zone table. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
585 static table const military_table[] =
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
586 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
587 { "A", tZONE, -HOUR ( 1) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
588 { "B", tZONE, -HOUR ( 2) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
589 { "C", tZONE, -HOUR ( 3) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
590 { "D", tZONE, -HOUR ( 4) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
591 { "E", tZONE, -HOUR ( 5) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
592 { "F", tZONE, -HOUR ( 6) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
593 { "G", tZONE, -HOUR ( 7) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
594 { "H", tZONE, -HOUR ( 8) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
595 { "I", tZONE, -HOUR ( 9) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
596 { "K", tZONE, -HOUR (10) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
597 { "L", tZONE, -HOUR (11) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
598 { "M", tZONE, -HOUR (12) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
599 { "N", tZONE, HOUR ( 1) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
600 { "O", tZONE, HOUR ( 2) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
601 { "P", tZONE, HOUR ( 3) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
602 { "Q", tZONE, HOUR ( 4) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
603 { "R", tZONE, HOUR ( 5) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
604 { "S", tZONE, HOUR ( 6) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
605 { "T", tZONE, HOUR ( 7) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
606 { "U", tZONE, HOUR ( 8) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
607 { "V", tZONE, HOUR ( 9) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
608 { "W", tZONE, HOUR (10) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
609 { "X", tZONE, HOUR (11) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
610 { "Y", tZONE, HOUR (12) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
611 { "Z", tZONE, HOUR ( 0) },
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
612 { 0, 0, 0 }
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
613 };
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
614
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
615
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
616
16
01c6d40adf9d Make tables static and const when possible.
Jim Meyering <jim@meyering.net>
parents: 9
diff changeset
617 static int
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
618 to_hour (int hours, int meridian)
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
619 {
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
620 switch (meridian)
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
621 {
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
622 case MER24:
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
623 return 0 <= hours && hours < 24 ? hours : -1;
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
624 case MERam:
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
625 return 0 < hours && hours < 12 ? hours : hours == 12 ? 0 : -1;
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
626 case MERpm:
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
627 return 0 < hours && hours < 12 ? hours + 12 : hours == 12 ? 12 : -1;
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
628 default:
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
629 abort ();
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
630 }
303
035d91c8a776 merge with 1.10m
Jim Meyering <jim@meyering.net>
parents: 302
diff changeset
631 /* NOTREACHED */
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
632 }
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
633
852
2156a43352c1 1997-01-06 Paul Eggert <eggert@twinsun.com>
Jim Meyering <jim@meyering.net>
parents: 814
diff changeset
634 static int
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
635 to_year (int year)
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
636 {
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
637 if (year < 0)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
638 year = -year;
852
2156a43352c1 1997-01-06 Paul Eggert <eggert@twinsun.com>
Jim Meyering <jim@meyering.net>
parents: 814
diff changeset
639
2156a43352c1 1997-01-06 Paul Eggert <eggert@twinsun.com>
Jim Meyering <jim@meyering.net>
parents: 814
diff changeset
640 /* XPG4 suggests that years 00-68 map to 2000-2068, and
2156a43352c1 1997-01-06 Paul Eggert <eggert@twinsun.com>
Jim Meyering <jim@meyering.net>
parents: 814
diff changeset
641 years 69-99 map to 1969-1999. */
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
642 if (year < 69)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
643 year += 2000;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
644 else if (year < 100)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
645 year += 1900;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
646
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
647 return year;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
648 }
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
649
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
650 static table const *
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
651 lookup_zone (struct parser_control const *pc, char const *name)
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
652 {
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
653 table const *tp;
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
654
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
655 /* Try local zone abbreviations first; they're more likely to be right. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
656 for (tp = pc->local_time_zone_table; tp->name; tp++)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
657 if (strcmp (name, tp->name) == 0)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
658 return tp;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
659
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
660 for (tp = time_zone_table; tp->name; tp++)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
661 if (strcmp (name, tp->name) == 0)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
662 return tp;
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
663
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
664 return 0;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
665 }
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
666
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
667 /* Yield A - B, measured in seconds. */
16
01c6d40adf9d Make tables static and const when possible.
Jim Meyering <jim@meyering.net>
parents: 9
diff changeset
668 static int
1777
372368af7f4e (difftm): Protoize.
Jim Meyering <jim@meyering.net>
parents: 1761
diff changeset
669 difftm (struct tm *a, struct tm *b)
207
25a5ae7fce09 Revert 1.14-1.16 changes that removed difftm and modified get_date.
Jim Meyering <jim@meyering.net>
parents: 202
diff changeset
670 {
25a5ae7fce09 Revert 1.14-1.16 changes that removed difftm and modified get_date.
Jim Meyering <jim@meyering.net>
parents: 202
diff changeset
671 int ay = a->tm_year + (TM_YEAR_ORIGIN - 1);
25a5ae7fce09 Revert 1.14-1.16 changes that removed difftm and modified get_date.
Jim Meyering <jim@meyering.net>
parents: 202
diff changeset
672 int by = b->tm_year + (TM_YEAR_ORIGIN - 1);
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
673 int days = (
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
674 /* difference in day of year */
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
675 a->tm_yday - b->tm_yday
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
676 /* + intervening leap days */
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
677 + ((ay >> 2) - (by >> 2))
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
678 - (ay / 100 - by / 100)
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
679 + ((ay / 100 >> 2) - (by / 100 >> 2))
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
680 /* + difference in years * 365 */
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
681 + (int) (ay - by) * 365
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
682 );
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
683 return (60 * (60 * (24 * days + (a->tm_hour - b->tm_hour))
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
684 + (a->tm_min - b->tm_min))
207
25a5ae7fce09 Revert 1.14-1.16 changes that removed difftm and modified get_date.
Jim Meyering <jim@meyering.net>
parents: 202
diff changeset
685 + (a->tm_sec - b->tm_sec));
25a5ae7fce09 Revert 1.14-1.16 changes that removed difftm and modified get_date.
Jim Meyering <jim@meyering.net>
parents: 202
diff changeset
686 }
25a5ae7fce09 Revert 1.14-1.16 changes that removed difftm and modified get_date.
Jim Meyering <jim@meyering.net>
parents: 202
diff changeset
687
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
688 static table const *
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
689 lookup_word (struct parser_control const *pc, char *word)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
690 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
691 char *p;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
692 char *q;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
693 size_t wordlen;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
694 table const *tp;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
695 int i;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
696 int abbrev;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
697
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
698 /* Make it uppercase. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
699 for (p = word; *p; p++)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
700 if (ISLOWER ((unsigned char) *p))
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
701 *p = toupper ((unsigned char) *p);
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
702
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
703 for (tp = meridian_table; tp->name; tp++)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
704 if (strcmp (word, tp->name) == 0)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
705 return tp;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
706
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
707 /* See if we have an abbreviation for a month. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
708 wordlen = strlen (word);
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
709 abbrev = wordlen == 3 || (wordlen == 4 && word[3] == '.');
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
710
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
711 for (tp = month_and_day_table; tp->name; tp++)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
712 if ((abbrev ? strncmp (word, tp->name, 3) : strcmp (word, tp->name)) == 0)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
713 return tp;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
714
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
715 if ((tp = lookup_zone (pc, word)))
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
716 return tp;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
717
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
718 if (strcmp (word, dst_table[0].name) == 0)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
719 return dst_table;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
720
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
721 for (tp = time_units_table; tp->name; tp++)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
722 if (strcmp (word, tp->name) == 0)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
723 return tp;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
724
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
725 /* Strip off any plural and try the units table again. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
726 if (word[wordlen - 1] == 'S')
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
727 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
728 word[wordlen - 1] = '\0';
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
729 for (tp = time_units_table; tp->name; tp++)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
730 if (strcmp (word, tp->name) == 0)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
731 return tp;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
732 word[wordlen - 1] = 'S'; /* For "this" in relative_time_table. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
733 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
734
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
735 for (tp = relative_time_table; tp->name; tp++)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
736 if (strcmp (word, tp->name) == 0)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
737 return tp;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
738
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
739 /* Military time zones. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
740 if (wordlen == 1)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
741 for (tp = military_table; tp->name; tp++)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
742 if (word[0] == tp->name[0])
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
743 return tp;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
744
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
745 /* Drop out any periods and try the time zone table again. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
746 for (i = 0, p = q = word; (*p = *q); q++)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
747 if (*q == '.')
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
748 i = 1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
749 else
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
750 p++;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
751 if (i && (tp = lookup_zone (pc, word)))
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
752 return tp;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
753
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
754 return 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
755 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
756
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
757 static int
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
758 yylex (YYSTYPE *lvalp, struct parser_control *pc)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
759 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
760 unsigned char c;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
761 int count;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
762
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
763 for (;;)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
764 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
765 while (c = *pc->input, ISSPACE (c))
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
766 pc->input++;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
767
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
768 if (ISDIGIT (c) || c == '-' || c == '+')
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
769 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
770 int sign;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
771 if (c == '-' || c == '+')
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
772 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
773 sign = c == '-' ? -1 : 1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
774 if (! ISDIGIT (*++pc->input))
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
775 /* skip the '-' sign */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
776 continue;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
777 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
778 else
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
779 sign = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
780 for (*lvalp = 0; ISDIGIT (c = *pc->input++);)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
781 *lvalp = 10 * *lvalp + (c - '0');
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
782 pc->input--;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
783 if (sign < 0)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
784 *lvalp = - *lvalp;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
785 return sign ? tSNUMBER : tUNUMBER;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
786 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
787
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
788 if (ISALPHA (c))
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
789 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
790 char buff[20];
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
791 char *p = buff;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
792 table const *tp;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
793
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
794 do
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
795 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
796 if (p < buff + sizeof buff - 1)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
797 *p++ = c;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
798 c = *++pc->input;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
799 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
800 while (ISALPHA (c) || c == '.');
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
801
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
802 *p = '\0';
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
803 tp = lookup_word (pc, buff);
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
804 if (! tp)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
805 return tID;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
806 *lvalp = tp->value;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
807 return tp->type;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
808 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
809
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
810 if (c != '(')
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
811 return *pc->input++;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
812 count = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
813 do
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
814 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
815 c = *pc->input++;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
816 if (c == '\0')
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
817 return c;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
818 if (c == '(')
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
819 count++;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
820 else if (c == ')')
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
821 count--;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
822 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
823 while (count > 0);
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
824 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
825 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
826
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
827 /* Do nothing if the parser reports an error. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
828 static int
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
829 yyerror (char *s ATTRIBUTE_UNUSED)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
830 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
831 return 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
832 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
833
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
834 /* ?? */
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
835 time_t
1203
2b6373ef4d3b Add %expect directive.
Jim Meyering <jim@meyering.net>
parents: 932
diff changeset
836 get_date (const char *p, const time_t *now)
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
837 {
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
838 time_t Start = now ? *now : time (0);
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
839 struct tm *tmp = localtime (&Start);
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
840 struct tm tm;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
841 struct tm tm0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
842 struct parser_control pc;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
843
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
844 if (! tmp)
303
035d91c8a776 merge with 1.10m
Jim Meyering <jim@meyering.net>
parents: 302
diff changeset
845 return -1;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
846
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
847 pc.input = p;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
848 pc.year = tmp->tm_year + TM_YEAR_ORIGIN;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
849 pc.month = tmp->tm_mon + 1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
850 pc.day = tmp->tm_mday;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
851 pc.hour = tmp->tm_hour;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
852 pc.minutes = tmp->tm_min;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
853 pc.seconds = tmp->tm_sec;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
854 tm.tm_isdst = tmp->tm_isdst;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
855
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
856 pc.meridian = MER24;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
857 pc.rel_seconds = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
858 pc.rel_minutes = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
859 pc.rel_hour = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
860 pc.rel_day = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
861 pc.rel_month = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
862 pc.rel_year = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
863 pc.dates_seen = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
864 pc.days_seen = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
865 pc.rels_seen = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
866 pc.times_seen = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
867 pc.local_zones_seen = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
868 pc.zones_seen = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
869
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
870 #if HAVE_TM_ZONE
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
871 pc.local_time_zone_table[0].name = tmp->tm_zone;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
872 pc.local_time_zone_table[0].type = tLOCAL_ZONE;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
873 pc.local_time_zone_table[0].value = tmp->tm_isdst;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
874 pc.local_time_zone_table[1].name = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
875
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
876 /* Probe the names used in the next three calendar quarters, looking
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
877 for a tm_isdst different from the one we already have. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
878 {
1929
f7d4ee7478d7 (get_date): Rename outermost local `probe' to `quarter'.
Jim Meyering <jim@meyering.net>
parents: 1928
diff changeset
879 int quarter;
f7d4ee7478d7 (get_date): Rename outermost local `probe' to `quarter'.
Jim Meyering <jim@meyering.net>
parents: 1928
diff changeset
880 for (quarter = 1; quarter <= 3; quarter++)
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
881 {
1929
f7d4ee7478d7 (get_date): Rename outermost local `probe' to `quarter'.
Jim Meyering <jim@meyering.net>
parents: 1928
diff changeset
882 time_t probe = Start + quarter * (90 * 24 * 60 * 60);
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
883 struct tm *tm = localtime (&probe);
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
884 if (tm && tm->tm_zone
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
885 && tm->tm_isdst != pc.local_time_zone_table[0].value)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
886 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
887 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
888 pc.local_time_zone_table[1].name = tm->tm_zone;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
889 pc.local_time_zone_table[1].type = tLOCAL_ZONE;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
890 pc.local_time_zone_table[1].value = tm->tm_isdst;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
891 pc.local_time_zone_table[2].name = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
892 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
893 break;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
894 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
895 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
896 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
897 #else
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
898 #if HAVE_TZNAME
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
899 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
900 # ifndef tzname
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
901 extern char *tzname[];
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
902 # endif
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
903 int i;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
904 for (i = 0; i < 2; i++)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
905 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
906 pc.local_time_zone_table[i].name = tzname[i];
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
907 pc.local_time_zone_table[i].type = tLOCAL_ZONE;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
908 pc.local_time_zone_table[i].value = i;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
909 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
910 pc.local_time_zone_table[i].name = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
911 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
912 #else
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
913 pc.local_time_zone_table[0].name = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
914 #endif
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
915 #endif
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
916
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
917 if (pc.local_time_zone_table[0].name && pc.local_time_zone_table[1].name
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
918 && ! strcmp (pc.local_time_zone_table[0].name,
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
919 pc.local_time_zone_table[1].name))
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
920 {
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
921 /* This locale uses the same abbrevation for standard and
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
922 daylight times. So if we see that abbreviation, we don't
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
923 know whether it's daylight time. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
924 pc.local_time_zone_table[0].value = -1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
925 pc.local_time_zone_table[1].name = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
926 }
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
927
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
928 if (yyparse (&pc) != 0
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
929 || 1 < pc.times_seen || 1 < pc.dates_seen || 1 < pc.days_seen
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
930 || 1 < (pc.local_zones_seen + pc.zones_seen)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
931 || (pc.local_zones_seen && 1 < pc.local_isdst))
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
932 return -1;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
933
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
934 tm.tm_year = to_year (pc.year) - TM_YEAR_ORIGIN + pc.rel_year;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
935 tm.tm_mon = pc.month - 1 + pc.rel_month;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
936 tm.tm_mday = pc.day + pc.rel_day;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
937 if (pc.times_seen || (pc.rels_seen && ! pc.dates_seen && ! pc.days_seen))
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
938 {
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
939 tm.tm_hour = to_hour (pc.hour, pc.meridian);
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
940 if (tm.tm_hour < 0)
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
941 return -1;
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
942 tm.tm_min = pc.minutes;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
943 tm.tm_sec = pc.seconds;
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
944 }
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
945 else
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
946 {
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
947 tm.tm_hour = tm.tm_min = tm.tm_sec = 0;
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
948 }
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
949 tm.tm_hour += pc.rel_hour;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
950 tm.tm_min += pc.rel_minutes;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
951 tm.tm_sec += pc.rel_seconds;
1850
b6b8118c96e5 add the comment to go with last change
Jim Meyering <jim@meyering.net>
parents: 1849
diff changeset
952
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
953 /* Let mktime deduce tm_isdst if we have an absolute time stamp,
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
954 or if the relative time stamp mentions days, months, or years. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
955 if (pc.dates_seen | pc.days_seen | pc.times_seen | pc.rel_day | pc.rel_month | pc.rel_year)
1849
d591bbc0e8aa (get_date): Let mktime deduce tm_isdst if we
Jim Meyering <jim@meyering.net>
parents: 1785
diff changeset
956 tm.tm_isdst = -1;
1850
b6b8118c96e5 add the comment to go with last change
Jim Meyering <jim@meyering.net>
parents: 1849
diff changeset
957
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
958 /* But if the input explicitly specifies local time with or without
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
959 DST, give mktime that information. */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
960 if (pc.local_zones_seen)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
961 tm.tm_isdst = pc.local_isdst;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
962
852
2156a43352c1 1997-01-06 Paul Eggert <eggert@twinsun.com>
Jim Meyering <jim@meyering.net>
parents: 814
diff changeset
963 tm0 = tm;
2156a43352c1 1997-01-06 Paul Eggert <eggert@twinsun.com>
Jim Meyering <jim@meyering.net>
parents: 814
diff changeset
964
2156a43352c1 1997-01-06 Paul Eggert <eggert@twinsun.com>
Jim Meyering <jim@meyering.net>
parents: 814
diff changeset
965 Start = mktime (&tm);
2156a43352c1 1997-01-06 Paul Eggert <eggert@twinsun.com>
Jim Meyering <jim@meyering.net>
parents: 814
diff changeset
966
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
967 if (Start == (time_t) -1)
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
968 {
852
2156a43352c1 1997-01-06 Paul Eggert <eggert@twinsun.com>
Jim Meyering <jim@meyering.net>
parents: 814
diff changeset
969
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
970 /* Guard against falsely reporting errors near the time_t boundaries
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
971 when parsing times in other time zones. For example, if the min
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
972 time_t value is 1970-01-01 00:00:00 UTC and we are 8 hours ahead
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
973 of UTC, then the min localtime value is 1970-01-01 08:00:00; if
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
974 we apply mktime to 1970-01-01 00:00:00 we will get an error, so
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
975 we apply mktime to 1970-01-02 08:00:00 instead and adjust the time
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
976 zone by 24 hours to compensate. This algorithm assumes that
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
977 there is no DST transition within a day of the time_t boundaries. */
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
978 if (pc.zones_seen)
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
979 {
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
980 tm = tm0;
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
981 if (tm.tm_year <= EPOCH_YEAR - TM_YEAR_ORIGIN)
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
982 {
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
983 tm.tm_mday++;
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
984 pc.time_zone += 24 * 60;
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
985 }
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
986 else
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
987 {
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
988 tm.tm_mday--;
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
989 pc.time_zone -= 24 * 60;
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
990 }
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
991 Start = mktime (&tm);
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
992 }
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
993
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
994 if (Start == (time_t) -1)
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
995 return Start;
852
2156a43352c1 1997-01-06 Paul Eggert <eggert@twinsun.com>
Jim Meyering <jim@meyering.net>
parents: 814
diff changeset
996 }
855
9c89b90524b8 (get_date): Change prototype to reflect const'ness of parameters.
Jim Meyering <jim@meyering.net>
parents: 852
diff changeset
997
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
998 if (pc.days_seen && ! pc.dates_seen)
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
999 {
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1000 tm.tm_mday += ((pc.day_number - tm.tm_wday + 7) % 7
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1001 + 7 * (pc.day_ordinal - (0 < pc.day_ordinal)));
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
1002 Start = mktime (&tm);
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
1003 if (Start == (time_t) -1)
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
1004 return Start;
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
1005 }
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
1006
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1007 if (pc.zones_seen)
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
1008 {
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1009 int delta;
1761
14b8e8de40c8 (get_date): Reuse tm_isdst of first localtime
Jim Meyering <jim@meyering.net>
parents: 1717
diff changeset
1010 struct tm *gmt = gmtime (&Start);
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1011 if (! gmt)
1761
14b8e8de40c8 (get_date): Reuse tm_isdst of first localtime
Jim Meyering <jim@meyering.net>
parents: 1717
diff changeset
1012 return -1;
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1013 delta = pc.time_zone * 60 + difftm (gmt, &tm);
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1014 if ((Start - delta < Start) != (delta < 0))
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1015 return -1; /* time_t overflow */
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1016 Start -= delta;
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
1017 }
852
2156a43352c1 1997-01-06 Paul Eggert <eggert@twinsun.com>
Jim Meyering <jim@meyering.net>
parents: 814
diff changeset
1018
2156a43352c1 1997-01-06 Paul Eggert <eggert@twinsun.com>
Jim Meyering <jim@meyering.net>
parents: 814
diff changeset
1019 return Start;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
1020 }
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
1021
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1022 #if TEST
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
1023
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1024 #include <stdio.h>
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1025
202
eeeec8731bb9 merge with 1.9.4e
Jim Meyering <jim@meyering.net>
parents: 201
diff changeset
1026 int
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1027 main (int ac, char **av)
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
1028 {
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1029 char buff[BUFSIZ];
321
4f4862ac3437 merge with 1.10q
Jim Meyering <jim@meyering.net>
parents: 307
diff changeset
1030 time_t d;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
1031
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1032 printf ("Enter date, or blank line to exit.\n\t> ");
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1033 fflush (stdout);
321
4f4862ac3437 merge with 1.10q
Jim Meyering <jim@meyering.net>
parents: 307
diff changeset
1034
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1035 buff[BUFSIZ - 1] = 0;
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1036 while (fgets (buff, BUFSIZ - 1, stdin) && buff[0])
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
1037 {
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1038 d = get_date (buff, 0);
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1039 if (d == (time_t) -1)
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1040 printf ("Bad format - couldn't convert.\n");
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
1041 else
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1042 printf ("%s", ctime (&d));
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1043 printf ("\t> ");
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1044 fflush (stdout);
857
35c6ee15b830 Indent with GNU indent.
Jim Meyering <jim@meyering.net>
parents: 856
diff changeset
1045 }
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1046 return 0;
9
f8dce34b5ab0 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
1047 }
1928
3119c326ccc8 Add copyright notice.
Jim Meyering <jim@meyering.net>
parents: 1914
diff changeset
1048 #endif /* defined TEST */