* thing, which means that tz -0100 is passed in as the integer -100,
* even though it means "sixty minutes off"
*/
-const char *show_date(unsigned long time, int tz)
+static struct tm *time_to_tm(unsigned long time, int tz)
{
- struct tm *tm;
time_t t;
- static char timebuf[200];
int minutes;
minutes = tz < 0 ? -tz : tz;
minutes = (minutes / 100)*60 + (minutes % 100);
minutes = tz < 0 ? -minutes : minutes;
t = time + minutes * 60;
- tm = gmtime(&t);
+ return gmtime(&t);
+}
+
+const char *show_date(unsigned long time, int tz)
+{
+ struct tm *tm;
+ static char timebuf[200];
+
+ tm = time_to_tm(time, tz);
if (!tm)
return NULL;
sprintf(timebuf, "%.3s %.3s %d %02d:%02d:%02d %d %+05d",
return timebuf;
}
+const char *show_rfc2822_date(unsigned long time, int tz)
+{
+ struct tm *tm;
+ static char timebuf[200];
+
+ tm = time_to_tm(time, tz);
+ if (!tm)
+ return NULL;
+ sprintf(timebuf, "%.3s, %d %.3s %d %02d:%02d:%02d %+05d",
+ weekday_names[tm->tm_wday], tm->tm_mday,
+ month_names[tm->tm_mon], tm->tm_year + 1900,
+ tm->tm_hour, tm->tm_min, tm->tm_sec, tz);
+ return timebuf;
+}
+
/*
* Check these. And note how it doesn't do the summer-time conversion.
*
{ "IDLE", +12, 0, }, /* International Date Line East */
};
-#define NR_TZ (sizeof(timezone_names) / sizeof(timezone_names[0]))
-
static int match_string(const char *date, const char *str)
{
int i = 0;
}
}
- for (i = 0; i < NR_TZ; i++) {
+ for (i = 0; i < ARRAY_SIZE(timezone_names); i++) {
int match = match_string(date, timezone_names[i].name);
if (match >= 3) {
int off = timezone_names[i].offset;
return skip_alpha(date);
}
-static int is_date(int year, int month, int day, struct tm *tm)
+static int is_date(int year, int month, int day, struct tm *now_tm, time_t now, struct tm *tm)
{
if (month > 0 && month < 13 && day > 0 && day < 32) {
+ struct tm check = *tm;
+ struct tm *r = (now_tm ? &check : tm);
+ time_t specified;
+
+ r->tm_mon = month - 1;
+ r->tm_mday = day;
if (year == -1) {
- tm->tm_mon = month-1;
- tm->tm_mday = day;
- return 1;
+ if (!now_tm)
+ return 1;
+ r->tm_year = now_tm->tm_year;
}
- if (year >= 1970 && year < 2100) {
- year -= 1900;
- } else if (year > 70 && year < 100) {
- /* ok */
- } else if (year < 38) {
- year += 100;
- } else
+ else if (year >= 1970 && year < 2100)
+ r->tm_year = year - 1900;
+ else if (year > 70 && year < 100)
+ r->tm_year = year;
+ else if (year < 38)
+ r->tm_year = year + 100;
+ else
return 0;
+ if (!now_tm)
+ return 1;
+
+ specified = my_mktime(r);
- tm->tm_mon = month-1;
- tm->tm_mday = day;
- tm->tm_year = year;
+ /* Be it commit time or author time, it does not make
+ * sense to specify timestamp way into the future. Make
+ * sure it is not later than ten days from now...
+ */
+ if (now + 10*24*3600 < specified)
+ return 0;
+ tm->tm_mon = r->tm_mon;
+ tm->tm_mday = r->tm_mday;
+ if (year != -1)
+ tm->tm_year = r->tm_year;
return 1;
}
return 0;
static int match_multi_number(unsigned long num, char c, const char *date, char *end, struct tm *tm)
{
+ time_t now;
+ struct tm now_tm;
+ struct tm *refuse_future;
long num2, num3;
num2 = strtol(end+1, &end, 10);
case '-':
case '/':
+ case '.':
+ now = time(NULL);
+ refuse_future = NULL;
+ if (gmtime_r(&now, &now_tm))
+ refuse_future = &now_tm;
+
if (num > 70) {
/* yyyy-mm-dd? */
- if (is_date(num, num2, num3, tm))
+ if (is_date(num, num2, num3, refuse_future, now, tm))
break;
/* yyyy-dd-mm? */
- if (is_date(num, num3, num2, tm))
+ if (is_date(num, num3, num2, refuse_future, now, tm))
break;
}
- /* mm/dd/yy ? */
- if (is_date(num3, num, num2, tm))
+ /* Our eastern European friends say dd.mm.yy[yy]
+ * is the norm there, so giving precedence to
+ * mm/dd/yy[yy] form only when separator is not '.'
+ */
+ if (c != '.' &&
+ is_date(num3, num, num2, refuse_future, now, tm))
+ break;
+ /* European dd.mm.yy[yy] or funny US dd/mm/yy[yy] */
+ if (is_date(num3, num2, num, refuse_future, now, tm))
break;
- /* dd/mm/yy ? */
- if (is_date(num3, num2, num, tm))
+ /* Funny European mm.dd.yy */
+ if (c == '.' &&
+ is_date(num3, num, num2, refuse_future, now, tm))
break;
return 0;
}
}
/*
- * Check for special formats: num[:-/]num[same]num
+ * Check for special formats: num[-.:/]num[same]num
*/
switch (*end) {
case ':':
+ case '.':
case '/':
case '-':
if (isdigit(end[1])) {
/* Four-digit year or a timezone? */
if (n == 4) {
- if (num <= 1200 && *offset == -1) {
+ if (num <= 1400 && *offset == -1) {
unsigned int minutes = num % 100;
unsigned int hours = num / 100;
*offset = hours*60 + minutes;