* Copyright (C) Linus Torvalds, 2005
*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
#include <ctype.h>
#include <time.h>
+#include "cache.h"
+
static time_t my_mktime(struct tm *tm)
{
static const int mdays[] = {
int minutes;
minutes = tz < 0 ? -tz : tz;
- minutes = (tz / 100)*60 + (tz % 100);
+ minutes = (minutes / 100)*60 + (minutes % 100);
minutes = tz < 0 ? -minutes : minutes;
- t = time - minutes * 60;
+ t = time + minutes * 60;
tm = gmtime(&t);
if (!tm)
return NULL;
return 0;
}
-static int match_multi_number(unsigned long num, char c, char *date, char *end, struct tm *tm)
+static int match_multi_number(unsigned long num, char c, const char *date, char *end, struct tm *tm)
{
long num2, num3;
/*
* We've seen a digit. Time? Year? Date?
*/
-static int match_digit(char *date, struct tm *tm, int *offset)
+static int match_digit(const char *date, struct tm *tm, int *offset, int *tm_gmt)
{
int n;
char *end;
*/
if (num > 946684800) {
time_t time = num;
- if (gmtime_r(&time, tm))
+ if (gmtime_r(&time, tm)) {
+ *tm_gmt = 1;
return end - date;
+ }
}
/*
return n;
}
-static int match_tz(char *date, int *offp)
+static int match_tz(const char *date, int *offp)
{
char *end;
int offset = strtoul(date+1, &end, 10);
/* Gr. strptime is crap for this; it doesn't have a way to require RFC2822
(i.e. English) day/month names, and it doesn't work correctly with %z. */
-void parse_date(char *date, char *result, int maxlen)
+void parse_date(const char *date, char *result, int maxlen)
{
struct tm tm;
- int offset, sign;
+ int offset, sign, tm_gmt;
time_t then;
memset(&tm, 0, sizeof(tm));
tm.tm_mday = -1;
tm.tm_isdst = -1;
offset = -1;
+ tm_gmt = 0;
for (;;) {
int match = 0;
if (isalpha(c))
match = match_alpha(date, &tm, &offset);
else if (isdigit(c))
- match = match_digit(date, &tm, &offset);
+ match = match_digit(date, &tm, &offset, &tm_gmt);
else if ((c == '-' || c == '+') && isdigit(date[1]))
match = match_tz(date, &offset);
if (then == -1)
return;
- then -= offset * 60;
+ if (!tm_gmt)
+ then -= offset * 60;
sign = '+';
if (offset < 0) {