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73dfbb7568
git-svn-id: svn://svn.code.sf.net/p/axtls/code/trunk@78 9a5d90b5-6617-0410-8a86-bb477d3ed2e3
108 lines
3.4 KiB
C
108 lines
3.4 KiB
C
/*
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* Copyright(C) 2007 Cameron Rich
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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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <sys/types.h>
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include "axhttp.h"
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struct day_mon_map
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{
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const char* s;
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uint8_t l;
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};
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static struct day_mon_map wday_tab[] =
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{
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{ "Sun", 0 }, { "Mon", 1 }, { "Tue", 2 }, { "Wed", 3 },
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{ "Thu", 4 }, { "Fri", 5 }, { "Sat", 6 },
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};
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static struct day_mon_map mon_tab[] =
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{
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{ "Jan", 0 }, { "Feb", 1 }, { "Mar", 2 }, { "Apr", 3 },
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{ "May", 4 }, { "Jun", 5 }, { "Jul", 6 }, { "Aug", 7 },
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{ "Sep", 8 }, { "Oct", 9 }, { "Nov", 10 }, { "Dec", 11 },
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};
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static int day_mon_map_compare(const char *v1, const char *v2)
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{
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return strcmp(((struct day_mon_map*)v1)->s, ((struct day_mon_map*)v2)->s);
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}
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void tdate_init(void)
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{
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qsort(wday_tab, sizeof(wday_tab)/sizeof(struct day_mon_map),
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sizeof(struct day_mon_map),
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(int (*)(const void *, const void *))day_mon_map_compare);
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qsort(mon_tab, sizeof(mon_tab)/sizeof(struct day_mon_map),
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sizeof(struct day_mon_map),
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(int (*)(const void *, const void *))day_mon_map_compare);
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}
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static int8_t day_mon_map_search(const char* str,
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const struct day_mon_map* tab, int n)
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{
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struct day_mon_map *search = bsearch(&str, tab, n,
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sizeof(struct day_mon_map),
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(int (*)(const void *, const void *))day_mon_map_compare);
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return search ? search->l : -1;
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}
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time_t tdate_parse(const char* str)
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{
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struct tm tm;
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char str_mon[4], str_wday[4];
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int tm_sec, tm_min, tm_hour, tm_mday, tm_year;
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/* Initialize. */
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memset(&tm, 0, sizeof(struct tm));
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/* wdy, DD mth YY HH:MM:SS GMT */
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if ((sscanf(str, "%3[a-zA-Z], %d %3[a-zA-Z] %d %d:%d:%d GMT",
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str_wday, &tm_mday, str_mon, &tm_year, &tm_hour, &tm_min,
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&tm_sec) == 7) ||
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/* wdy mth DD HH:MM:SS YY */
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(sscanf(str, "%3[a-zA-Z] %3[a-zA-Z] %d %d:%d:%d %d",
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str_wday, str_mon, &tm_mday, &tm_hour, &tm_min, &tm_sec,
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&tm_year) == 7))
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{
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int8_t tm_wday = day_mon_map_search(str_wday, wday_tab,
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sizeof(wday_tab)/sizeof(struct day_mon_map));
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int8_t tm_mon = day_mon_map_search(str_mon, mon_tab,
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sizeof(mon_tab)/sizeof(struct day_mon_map));
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if (tm_wday < 0 || tm_mon < 0)
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return -1;
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tm.tm_wday = tm_wday;
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tm.tm_mon = tm_mon;
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tm.tm_mday = tm_mday;
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tm.tm_hour = tm_hour;
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tm.tm_min = tm_min;
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tm.tm_sec = tm_sec;
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tm.tm_year = tm_year - 1900;
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return mktime(&tm);
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}
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return -1; /* error */
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}
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