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/*
* Copyright 2001-2004 Brandon Long
* All Rights Reserved.
*
* ClearSilver Templating System
*
* This code is made available under the terms of the ClearSilver License.
* http://www.clearsilver.net/license.hdf
*
*/
#include "cs_config.h"
#include <time.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#include "util/neo_misc.h"
#include "util/neo_err.h"
#include "util/neo_hdf.h"
#include "util/neo_date.h"
#include "cgi.h"
#include "date.h"
/*
* prefix.sec
* prefix.min
* prefix.hour - 12 hour
* prefix.am - 1 if AM
* prefix.24hour - 24 hour
* prefix.mday
* prefix.mon - numeric month
* prefix.year - full year (ie, 4 digits)
* prefix.2yr - year (2 digits)
* prefix.wday - day of the week
* prefix.tzoffset - hhmm from UTC
*
*/
NEOERR *export_date_tm (HDF *data, const char *prefix, struct tm *ttm)
{
NEOERR *err;
HDF *obj;
int hour, am = 1;
char buf[256];
int tzoffset_seconds = 0;
int tzoffset = 0;
char tzsign = '+';
obj = hdf_get_obj (data, prefix);
if (obj == NULL)
{
err = hdf_set_value (data, prefix, "");
if (err) return nerr_pass(err);
obj = hdf_get_obj (data, prefix);
}
snprintf (buf, sizeof(buf), "%02d", ttm->tm_sec);
err = hdf_set_value (obj, "sec", buf);
if (err) return nerr_pass(err);
snprintf (buf, sizeof(buf), "%02d", ttm->tm_min);
err = hdf_set_value (obj, "min", buf);
if (err) return nerr_pass(err);
snprintf (buf, sizeof(buf), "%02d", ttm->tm_hour);
err = hdf_set_value (obj, "24hour", buf);
if (err) return nerr_pass(err);
hour = ttm->tm_hour;
if (hour == 0)
{
hour = 12;
}
else if (hour == 12)
{
am = 0;
}
else if (hour > 12)
{
am = 0;
hour -= 12;
}
err = hdf_set_int_value (obj, "hour", hour);
if (err) return nerr_pass(err);
err = hdf_set_int_value (obj, "am", am);
if (err) return nerr_pass(err);
err = hdf_set_int_value (obj, "mday", ttm->tm_mday);
if (err) return nerr_pass(err);
err = hdf_set_int_value (obj, "mon", ttm->tm_mon + 1);
if (err) return nerr_pass(err);
err = hdf_set_int_value (obj, "year", ttm->tm_year + 1900);
if (err) return nerr_pass(err);
snprintf(buf, sizeof(buf), "%02d", ttm->tm_year % 100);
err = hdf_set_value (obj, "2yr", buf);
if (err) return nerr_pass(err);
err = hdf_set_int_value (obj, "wday", ttm->tm_wday);
if (err) return nerr_pass(err);
// neo_tz_offset() returns offset from GMT in seconds
tzoffset_seconds = neo_tz_offset(ttm);
tzoffset = tzoffset_seconds / 60;
if (tzoffset < 0)
{
tzoffset *= -1;
tzsign = '-';
}
snprintf(buf, sizeof(buf), "%c%02d%02d", tzsign, tzoffset / 60, tzoffset % 60);
err = hdf_set_value (obj, "tzoffset", buf);
if (err) return nerr_pass(err);
return STATUS_OK;
}
NEOERR *export_date_time_t (HDF *data, const char *prefix, const char *timezone,
time_t tt)
{
struct tm ttm;
neo_time_expand (tt, timezone, &ttm);
return nerr_pass (export_date_tm (data, prefix, &ttm));
}
/* from httpd util.c : made infamous with Roy owes Rob beer. */
static char *months[] = {
"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"
};
int find_month(char *mon) {
register int x;
for(x=0;x<12;x++)
if(!strcmp(months[x],mon))
return x;
return -1;
}
int later_than(struct tm *lms, char *ims) {
char *ip;
char mname[256];
int year = 0, month = 0, day = 0, hour = 0, min = 0, sec = 0, x;
/* Whatever format we're looking at, it will start
* with weekday. */
/* Skip to first space. */
if(!(ip = strchr(ims,' ')))
return 0;
else
while(isspace(*ip))
++ip;
if(isalpha(*ip)) {
/* ctime */
sscanf(ip,"%25s %d %d:%d:%d %d",mname,&day,&hour,&min,&sec,&year);
}
else if(ip[2] == '-') {
/* RFC 850 (normal HTTP) */
char t[256];
sscanf(ip,"%s %d:%d:%d",t,&hour,&min,&sec);
t[2] = '\0';
day = atoi(t);
t[6] = '\0';
strcpy(mname,&t[3]);
x = atoi(&t[7]);
/* Prevent
* wraparound
* from
* ambiguity
* */
if(x < 70)
x += 100;
year = 1900 + x;
}
else {
/* RFC 822 */
sscanf(ip,"%d %s %d %d:%d:%d",&day,mname,&year,&hour,&min,&sec);
}
month = find_month(mname);
if((x = (1900+lms->tm_year) - year))
return x < 0;
if((x = lms->tm_mon - month))
return x < 0;
if((x = lms->tm_mday - day))
return x < 0;
if((x = lms->tm_hour - hour))
return x < 0;
if((x = lms->tm_min - min))
return x < 0;
if((x = lms->tm_sec - sec))
return x < 0;
return 1;
}
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