date: accept 'yyyy-mm-dd HH' and 'yyyy-mm-dd' date formats

function                                             old     new   delta
parse_datestr                                        794     885     +91

Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Bartosz Golaszewski 2013-07-25 04:59:46 +02:00 committed by Denys Vlasenko
parent c19be75d57
commit 688a7e3f04

View File

@ -23,14 +23,16 @@ void FAST_FUNC parse_datestr(const char *date_str, struct tm *ptm)
if (sscanf(date_str, "%u:%u%c",
&ptm->tm_hour,
&ptm->tm_min,
&end) >= 2) {
&end) >= 2
) {
/* no adjustments needed */
} else
/* mm.dd-HH:MM */
if (sscanf(date_str, "%u.%u-%u:%u%c",
&ptm->tm_mon, &ptm->tm_mday,
&ptm->tm_hour, &ptm->tm_min,
&end) >= 4) {
&end) >= 4
) {
/* Adjust month from 1-12 to 0-11 */
ptm->tm_mon -= 1;
} else
@ -38,15 +40,13 @@ void FAST_FUNC parse_datestr(const char *date_str, struct tm *ptm)
if (sscanf(date_str, "%u.%u.%u-%u:%u%c", &ptm->tm_year,
&ptm->tm_mon, &ptm->tm_mday,
&ptm->tm_hour, &ptm->tm_min,
&end) >= 5) {
ptm->tm_year -= 1900; /* Adjust years */
ptm->tm_mon -= 1; /* Adjust month from 1-12 to 0-11 */
} else
&end) >= 5
/* yyyy-mm-dd HH:MM */
if (sscanf(date_str, "%u-%u-%u %u:%u%c", &ptm->tm_year,
|| sscanf(date_str, "%u-%u-%u %u:%u%c", &ptm->tm_year,
&ptm->tm_mon, &ptm->tm_mday,
&ptm->tm_hour, &ptm->tm_min,
&end) >= 5) {
&end) >= 5
) {
ptm->tm_year -= 1900; /* Adjust years */
ptm->tm_mon -= 1; /* Adjust month from 1-12 to 0-11 */
} else
@ -58,7 +58,6 @@ void FAST_FUNC parse_datestr(const char *date_str, struct tm *ptm)
return; /* don't fall through to end == ":" check */
} else
#endif
//TODO: coreutils 6.9 also accepts "yyyy-mm-dd HH" (no minutes)
{
bb_error_msg_and_die(bb_msg_invalid_date, date_str);
}
@ -68,7 +67,21 @@ void FAST_FUNC parse_datestr(const char *date_str, struct tm *ptm)
end = '\0';
/* else end != NUL and we error out */
}
} else if (date_str[0] == '@') {
} else
/* yyyy-mm-dd HH */
if (sscanf(date_str, "%u-%u-%u %u%c", &ptm->tm_year,
&ptm->tm_mon, &ptm->tm_mday,
&ptm->tm_hour,
&end) >= 4
/* yyyy-mm-dd */
|| sscanf(date_str, "%u-%u-%u%c", &ptm->tm_year,
&ptm->tm_mon, &ptm->tm_mday,
&end) >= 3
) {
ptm->tm_year -= 1900; /* Adjust years */
ptm->tm_mon -= 1; /* Adjust month from 1-12 to 0-11 */
} else
if (date_str[0] == '@') {
time_t t = bb_strtol(date_str + 1, NULL, 10);
if (!errno) {
struct tm *lt = localtime(&t);