mirror of
https://git.notmuchmail.org/git/notmuch
synced 2024-12-22 01:14:53 +01:00
Drop date.c file, (use identical function from GMime instead).
We had originally copied this function in at a time when notmuch wasn't actually depending on the GMime library. Now that it does, we might as well call the function that exists there rather than having a private copy of it.
This commit is contained in:
Carl Worth
parent
8ff934803c
commit
fa226a7a10
4 changed files with 3 additions and 675 deletions
3
AUTHORS
3
AUTHORS
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@ -12,9 +12,6 @@ thanks to the GNU General Public License). This includes:
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Brian Gladman (with Mikhail Gusarov <dottedmag@dottedmag.net>)
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Implementation of SHA-1 (nice and small) (libsha1.c)
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Jeffrey Stedfast
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Parsing of myriad date formats in email messages (date.c)
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Please see the various files in the Notmuch distribution for
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individual copyright statements.
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1
Makefile
1
Makefile
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@ -13,7 +13,6 @@ NOTMUCH_LDFLAGS=`pkg-config --libs glib-2.0 gmime-2.4 talloc` \
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LIBRARY= \
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database.o \
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date.o \
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index.o \
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libsha1.o \
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message.o \
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670
date.c
670
date.c
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@ -1,670 +0,0 @@
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/* date.c - Date-parsing utility for the notmuch mail system.
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*
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* Copyright © 2000-2009 Jeffrey Stedfast
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see http://www.gnu.org/licenses/
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*/
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/* This code was originally written by from Jeffrey Stedfast
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* as part of his GMime library (http://spruce.sourceforge.net/gmime/)
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*
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* Carl Worth <cworth@cworth.org> imported it into notmuch and removed
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* some glib-isms.
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*/
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#include "notmuch-private.h"
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#include <time.h>
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#include <glib.h> /* For g_ascii_strncasecmp only. */
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#ifndef FALSE
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#define FALSE 0
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#endif
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#ifndef TRUE
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#define TRUE 1
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#endif
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#define d(x)
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#define GMIME_FOLD_PREENCODED (GMIME_FOLD_LEN / 2)
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/* date parser macros */
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#define NUMERIC_CHARS "1234567890"
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#define WEEKDAY_CHARS "SundayMondayTuesdayWednesdayThursdayFridaySaturday"
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#define MONTH_CHARS "JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember"
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#define TIMEZONE_ALPHA_CHARS "UTCGMTESTEDTCSTCDTMSTPSTPDTZAMNY()"
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#define TIMEZONE_NUMERIC_CHARS "-+1234567890"
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#define TIME_CHARS "1234567890:"
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#define DATE_TOKEN_NON_NUMERIC (1 << 0)
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#define DATE_TOKEN_NON_WEEKDAY (1 << 1)
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#define DATE_TOKEN_NON_MONTH (1 << 2)
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#define DATE_TOKEN_NON_TIME (1 << 3)
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#define DATE_TOKEN_HAS_COLON (1 << 4)
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#define DATE_TOKEN_NON_TIMEZONE_ALPHA (1 << 5)
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#define DATE_TOKEN_NON_TIMEZONE_NUMERIC (1 << 6)
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#define DATE_TOKEN_HAS_SIGN (1 << 7)
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static unsigned char gmime_datetok_table[256] = {
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128,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,
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111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,
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111,111,111,111,111,111,111,111, 79, 79,111,175,111,175,111,111,
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38, 38, 38, 38, 38, 38, 38, 38, 38, 38,119,111,111,111,111,111,
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111, 75,111, 79, 75, 79,105, 79,111,111,107,111,111, 73, 75,107,
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79,111,111, 73, 77, 79,111,109,111, 79, 79,111,111,111,111,111,
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111,105,107,107,109,105,111,107,105,105,111,111,107,107,105,105,
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107,111,105,105,105,105,107,111,111,105,111,111,111,111,111,111,
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111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,
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111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,
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111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,
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111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,
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111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,
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111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,
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111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,
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111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,
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};
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/* hrm, is there a library for this stuff? */
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static struct {
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const char *name;
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int offset;
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} tz_offsets [] = {
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{ "UT", 0 },
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{ "GMT", 0 },
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{ "EST", -500 }, /* these are all US timezones. bloody yanks */
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{ "EDT", -400 },
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{ "CST", -600 },
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{ "CDT", -500 },
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{ "MST", -700 },
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{ "MDT", -600 },
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{ "PST", -800 },
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{ "PDT", -700 },
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{ "Z", 0 },
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{ "A", -100 },
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{ "M", -1200 },
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{ "N", 100 },
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{ "Y", 1200 },
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};
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static const char *tm_months[] = {
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"Jan", "Feb", "Mar", "Apr", "May", "Jun",
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"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
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};
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static const char *tm_days[] = {
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"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
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};
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/* This is where it gets ugly... */
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typedef struct _date_token {
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struct _date_token *next;
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unsigned char mask;
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const char *start;
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size_t len;
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} date_token;
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#define date_token_free(tok) free (tok)
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#define date_token_new() malloc (sizeof (date_token))
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static date_token *
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datetok (const char *date)
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{
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date_token *tokens = NULL, *token, *tail = (date_token *) &tokens;
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const char *start, *end;
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unsigned char mask;
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start = date;
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while (*start) {
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/* kill leading whitespace */
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while (*start == ' ' || *start == '\t')
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start++;
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if (*start == '\0')
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break;
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mask = gmime_datetok_table[(unsigned char) *start];
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/* find the end of this token */
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end = start + 1;
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while (*end && !strchr ("-/,\t\r\n ", *end))
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mask |= gmime_datetok_table[(unsigned char) *end++];
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if (end != start) {
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token = date_token_new ();
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token->next = NULL;
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token->start = start;
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token->len = end - start;
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token->mask = mask;
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tail->next = token;
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tail = token;
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}
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if (*end)
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start = end + 1;
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else
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break;
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}
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return tokens;
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}
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static int
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decode_int (const char *in, size_t inlen)
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{
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register const char *inptr;
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int sign = 1, val = 0;
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const char *inend;
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inptr = in;
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inend = in + inlen;
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if (*inptr == '-') {
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sign = -1;
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inptr++;
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} else if (*inptr == '+')
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inptr++;
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for ( ; inptr < inend; inptr++) {
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if (!(*inptr >= '0' && *inptr <= '9'))
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return -1;
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else
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val = (val * 10) + (*inptr - '0');
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}
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val *= sign;
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return val;
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}
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#if 0
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static int
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get_days_in_month (int month, int year)
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{
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switch (month) {
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case 1:
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case 3:
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case 5:
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case 7:
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case 8:
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case 10:
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case 12:
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return 31;
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case 4:
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case 6:
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case 9:
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case 11:
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return 30;
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case 2:
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if (g_date_is_leap_year (year))
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return 29;
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else
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return 28;
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default:
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return 0;
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}
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}
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#endif
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static int
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get_wday (const char *in, size_t inlen)
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{
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int wday;
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if (in == NULL)
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return -1;
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if (inlen < 3)
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return -1;
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for (wday = 0; wday < 7; wday++) {
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if (!g_ascii_strncasecmp (in, tm_days[wday], 3))
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return wday;
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}
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return -1; /* unknown week day */
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}
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static int
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get_mday (const char *in, size_t inlen)
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{
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int mday;
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if (in == NULL)
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return -1;
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mday = decode_int (in, inlen);
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if (mday < 0 || mday > 31)
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mday = -1;
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return mday;
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}
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static int
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get_month (const char *in, size_t inlen)
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{
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int i;
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if (in == NULL)
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return -1;
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if (inlen < 3)
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return -1;
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for (i = 0; i < 12; i++) {
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if (!g_ascii_strncasecmp (in, tm_months[i], 3))
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return i;
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}
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return -1; /* unknown month */
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}
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static int
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get_year (const char *in, size_t inlen)
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{
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int year;
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if (in == NULL)
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return -1;
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if ((year = decode_int (in, inlen)) == -1)
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return -1;
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if (year < 100)
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year += (year < 70) ? 2000 : 1900;
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if (year < 1969)
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return -1;
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return year;
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}
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static int
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get_time (const char *in, size_t inlen, int *hour, int *min, int *sec)
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{
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register const char *inptr;
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int *val, colons = 0;
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const char *inend;
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*hour = *min = *sec = 0;
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inend = in + inlen;
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val = hour;
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for (inptr = in; inptr < inend; inptr++) {
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if (*inptr == ':') {
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colons++;
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switch (colons) {
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case 1:
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val = min;
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break;
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case 2:
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val = sec;
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break;
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default:
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return FALSE;
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}
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} else if (!(*inptr >= '0' && *inptr <= '9'))
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return FALSE;
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else
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*val = (*val * 10) + (*inptr - '0');
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}
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return TRUE;
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}
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static int
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get_tzone (date_token **token)
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{
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const char *inptr, *inend;
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size_t inlen;
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int i, t;
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for (i = 0; *token && i < 2; *token = (*token)->next, i++) {
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inptr = (*token)->start;
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inlen = (*token)->len;
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inend = inptr + inlen;
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if (*inptr == '+' || *inptr == '-') {
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return decode_int (inptr, inlen);
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} else {
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if (*inptr == '(') {
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inptr++;
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if (*(inend - 1) == ')')
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inlen -= 2;
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else
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inlen--;
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}
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for (t = 0; t < 15; t++) {
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size_t len = strlen (tz_offsets[t].name);
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if (len != inlen)
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continue;
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if (!strncmp (inptr, tz_offsets[t].name, len))
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return tz_offsets[t].offset;
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}
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}
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}
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return -1;
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}
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#define HAVE_TIMEZONE
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static time_t
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mktime_utc (struct tm *tm)
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{
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time_t tt;
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long tz;
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tm->tm_isdst = -1;
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tt = mktime (tm);
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#if defined (G_OS_WIN32)
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_get_timezone (&tz);
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if (tm->tm_isdst > 0) {
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int dst;
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_get_dstbias (&dst);
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tz += dst;
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}
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#elif defined (HAVE_TM_GMTOFF)
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tz = -tm->tm_gmtoff;
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#elif defined (HAVE_TIMEZONE)
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if (tm->tm_isdst > 0) {
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#if defined (HAVE_ALTZONE)
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tz = altzone;
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#else /* !defined (HAVE_ALTZONE) */
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tz = (timezone - 3600);
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#endif
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} else {
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tz = timezone;
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}
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#elif defined (HAVE__TIMEZONE)
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tz = _timezone;
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#else
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#error Neither HAVE_TIMEZONE nor HAVE_TM_GMTOFF defined. Rerun autoheader, autoconf, etc.
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#endif
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return tt - tz;
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}
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static time_t
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parse_rfc822_date (date_token *tokens, int *tzone)
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{
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int hour, min, sec, offset, n;
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date_token *token;
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struct tm tm;
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time_t t;
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|
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if (tokens == NULL)
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return 0;
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token = tokens;
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memset ((void *) &tm, 0, sizeof (struct tm));
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if ((n = get_wday (token->start, token->len)) != -1) {
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/* not all dates may have this... */
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tm.tm_wday = n;
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token = token->next;
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}
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/* get the mday */
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if (!token || (n = get_mday (token->start, token->len)) == -1)
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return (time_t) 0;
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|
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tm.tm_mday = n;
|
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token = token->next;
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||||
|
||||
/* get the month */
|
||||
if (!token || (n = get_month (token->start, token->len)) == -1)
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return (time_t) 0;
|
||||
|
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tm.tm_mon = n;
|
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token = token->next;
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||||
|
||||
/* get the year */
|
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if (!token || (n = get_year (token->start, token->len)) == -1)
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return (time_t) 0;
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|
||||
tm.tm_year = n - 1900;
|
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token = token->next;
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|
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/* get the hour/min/sec */
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if (!token || !get_time (token->start, token->len, &hour, &min, &sec))
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return (time_t) 0;
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|
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tm.tm_hour = hour;
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tm.tm_min = min;
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tm.tm_sec = sec;
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token = token->next;
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|
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/* get the timezone */
|
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if (!token || (n = get_tzone (&token)) == -1) {
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/* I guess we assume tz is GMT? */
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offset = 0;
|
||||
} else {
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offset = n;
|
||||
}
|
||||
|
||||
t = mktime_utc (&tm);
|
||||
|
||||
/* t is now GMT of the time we want, but not offset by the timezone ... */
|
||||
|
||||
/* this should convert the time to the GMT equiv time */
|
||||
t -= ((offset / 100) * 60 * 60) + (offset % 100) * 60;
|
||||
|
||||
if (tzone)
|
||||
*tzone = offset;
|
||||
|
||||
return t;
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||||
}
|
||||
|
||||
|
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#define date_token_mask(t) (((date_token *) t)->mask)
|
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#define is_numeric(t) ((date_token_mask (t) & DATE_TOKEN_NON_NUMERIC) == 0)
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#define is_weekday(t) ((date_token_mask (t) & DATE_TOKEN_NON_WEEKDAY) == 0)
|
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#define is_month(t) ((date_token_mask (t) & DATE_TOKEN_NON_MONTH) == 0)
|
||||
#define is_time(t) (((date_token_mask (t) & DATE_TOKEN_NON_TIME) == 0) && (date_token_mask (t) & DATE_TOKEN_HAS_COLON))
|
||||
#define is_tzone_alpha(t) ((date_token_mask (t) & DATE_TOKEN_NON_TIMEZONE_ALPHA) == 0)
|
||||
#define is_tzone_numeric(t) (((date_token_mask (t) & DATE_TOKEN_NON_TIMEZONE_NUMERIC) == 0) && (date_token_mask (t) & DATE_TOKEN_HAS_SIGN))
|
||||
#define is_tzone(t) (is_tzone_alpha (t) || is_tzone_numeric (t))
|
||||
|
||||
static time_t
|
||||
parse_broken_date (date_token *tokens, int *tzone)
|
||||
{
|
||||
int got_wday, got_month, got_tzone;
|
||||
int hour, min, sec, offset, n;
|
||||
date_token *token;
|
||||
struct tm tm;
|
||||
time_t t;
|
||||
|
||||
memset ((void *) &tm, 0, sizeof (struct tm));
|
||||
got_wday = got_month = got_tzone = FALSE;
|
||||
offset = 0;
|
||||
|
||||
token = tokens;
|
||||
while (token) {
|
||||
if (is_weekday (token) && !got_wday) {
|
||||
if ((n = get_wday (token->start, token->len)) != -1) {
|
||||
d(printf ("weekday; "));
|
||||
got_wday = TRUE;
|
||||
tm.tm_wday = n;
|
||||
goto next;
|
||||
}
|
||||
}
|
||||
|
||||
if (is_month (token) && !got_month) {
|
||||
if ((n = get_month (token->start, token->len)) != -1) {
|
||||
d(printf ("month; "));
|
||||
got_month = TRUE;
|
||||
tm.tm_mon = n;
|
||||
goto next;
|
||||
}
|
||||
}
|
||||
|
||||
if (is_time (token) && !tm.tm_hour && !tm.tm_min && !tm.tm_sec) {
|
||||
if (get_time (token->start, token->len, &hour, &min, &sec)) {
|
||||
d(printf ("time; "));
|
||||
tm.tm_hour = hour;
|
||||
tm.tm_min = min;
|
||||
tm.tm_sec = sec;
|
||||
goto next;
|
||||
}
|
||||
}
|
||||
|
||||
if (is_tzone (token) && !got_tzone) {
|
||||
date_token *t = token;
|
||||
|
||||
if ((n = get_tzone (&t)) != -1) {
|
||||
d(printf ("tzone; "));
|
||||
got_tzone = TRUE;
|
||||
offset = n;
|
||||
goto next;
|
||||
}
|
||||
}
|
||||
|
||||
if (is_numeric (token)) {
|
||||
if (token->len == 4 && !tm.tm_year) {
|
||||
if ((n = get_year (token->start, token->len)) != -1) {
|
||||
d(printf ("year; "));
|
||||
tm.tm_year = n - 1900;
|
||||
goto next;
|
||||
}
|
||||
} else {
|
||||
/* Note: assumes MM-DD-YY ordering if '0 < MM < 12' holds true */
|
||||
if (!got_month && token->next && is_numeric (token->next)) {
|
||||
if ((n = decode_int (token->start, token->len)) > 12) {
|
||||
goto mday;
|
||||
} else if (n > 0) {
|
||||
d(printf ("mon; "));
|
||||
got_month = TRUE;
|
||||
tm.tm_mon = n - 1;
|
||||
}
|
||||
goto next;
|
||||
} else if (!tm.tm_mday && (n = get_mday (token->start, token->len)) != -1) {
|
||||
mday:
|
||||
d(printf ("mday; "));
|
||||
tm.tm_mday = n;
|
||||
goto next;
|
||||
} else if (!tm.tm_year) {
|
||||
if ((n = get_year (token->start, token->len)) != -1) {
|
||||
d(printf ("2-digit year; "));
|
||||
tm.tm_year = n - 1900;
|
||||
}
|
||||
goto next;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
d(printf ("???; "));
|
||||
|
||||
next:
|
||||
|
||||
token = token->next;
|
||||
}
|
||||
|
||||
d(printf ("\n"));
|
||||
|
||||
t = mktime_utc (&tm);
|
||||
|
||||
/* t is now GMT of the time we want, but not offset by the timezone ... */
|
||||
|
||||
/* this should convert the time to the GMT equiv time */
|
||||
t -= ((offset / 100) * 60 * 60) + (offset % 100) * 60;
|
||||
|
||||
if (tzone)
|
||||
*tzone = offset;
|
||||
|
||||
return t;
|
||||
}
|
||||
|
||||
#if 0
|
||||
static void
|
||||
gmime_datetok_table_init (void)
|
||||
{
|
||||
int i;
|
||||
|
||||
memset (gmime_datetok_table, 0, sizeof (gmime_datetok_table));
|
||||
|
||||
for (i = 0; i < 256; i++) {
|
||||
if (!strchr (NUMERIC_CHARS, i))
|
||||
gmime_datetok_table[i] |= DATE_TOKEN_NON_NUMERIC;
|
||||
|
||||
if (!strchr (WEEKDAY_CHARS, i))
|
||||
gmime_datetok_table[i] |= DATE_TOKEN_NON_WEEKDAY;
|
||||
|
||||
if (!strchr (MONTH_CHARS, i))
|
||||
gmime_datetok_table[i] |= DATE_TOKEN_NON_MONTH;
|
||||
|
||||
if (!strchr (TIME_CHARS, i))
|
||||
gmime_datetok_table[i] |= DATE_TOKEN_NON_TIME;
|
||||
|
||||
if (!strchr (TIMEZONE_ALPHA_CHARS, i))
|
||||
gmime_datetok_table[i] |= DATE_TOKEN_NON_TIMEZONE_ALPHA;
|
||||
|
||||
if (!strchr (TIMEZONE_NUMERIC_CHARS, i))
|
||||
gmime_datetok_table[i] |= DATE_TOKEN_NON_TIMEZONE_NUMERIC;
|
||||
|
||||
if (((char) i) == ':')
|
||||
gmime_datetok_table[i] |= DATE_TOKEN_HAS_COLON;
|
||||
|
||||
if (strchr ("+-", i))
|
||||
gmime_datetok_table[i] |= DATE_TOKEN_HAS_SIGN;
|
||||
}
|
||||
|
||||
printf ("static unsigned char gmime_datetok_table[256] = {");
|
||||
for (i = 0; i < 256; i++) {
|
||||
if (i % 16 == 0)
|
||||
printf ("\n\t");
|
||||
printf ("%3d,", gmime_datetok_table[i]);
|
||||
}
|
||||
printf ("\n};\n");
|
||||
}
|
||||
#endif
|
||||
|
||||
time_t
|
||||
notmuch_parse_date (const char *str, int *tz_offset)
|
||||
{
|
||||
date_token *token, *tokens;
|
||||
time_t date;
|
||||
|
||||
if (str == NULL)
|
||||
return 0;
|
||||
|
||||
if (!(tokens = datetok (str))) {
|
||||
if (tz_offset)
|
||||
*tz_offset = 0;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (!(date = parse_rfc822_date (tokens, tz_offset)))
|
||||
date = parse_broken_date (tokens, tz_offset);
|
||||
|
||||
/* cleanup */
|
||||
while (tokens) {
|
||||
token = tokens;
|
||||
tokens = tokens->next;
|
||||
date_token_free (token);
|
||||
}
|
||||
|
||||
return date;
|
||||
}
|
||||
|
|
@ -21,6 +21,8 @@
|
|||
#include "notmuch-private.h"
|
||||
#include "database-private.h"
|
||||
|
||||
#include <gmime/gmime.h>
|
||||
|
||||
#include <xapian.h>
|
||||
|
||||
struct _notmuch_message {
|
||||
|
|
@ -428,7 +430,7 @@ _notmuch_message_set_date (notmuch_message_t *message,
|
|||
{
|
||||
time_t time_value;
|
||||
|
||||
time_value = notmuch_parse_date (date, NULL);
|
||||
time_value = g_mime_utils_header_decode_date (date, NULL);
|
||||
|
||||
message->doc.add_value (NOTMUCH_VALUE_TIMESTAMP,
|
||||
Xapian::sortable_serialise (time_value));
|
||||
|
|
|
|||
Loading…
Reference in a new issue