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", if (sscanf(date_str, "%u:%u%c",
&ptm->tm_hour, &ptm->tm_hour,
&ptm->tm_min, &ptm->tm_min,
&end) >= 2) { &end) >= 2
) {
/* no adjustments needed */ /* no adjustments needed */
} else } else
/* mm.dd-HH:MM */ /* mm.dd-HH:MM */
if (sscanf(date_str, "%u.%u-%u:%u%c", if (sscanf(date_str, "%u.%u-%u:%u%c",
&ptm->tm_mon, &ptm->tm_mday, &ptm->tm_mon, &ptm->tm_mday,
&ptm->tm_hour, &ptm->tm_min, &ptm->tm_hour, &ptm->tm_min,
&end) >= 4) { &end) >= 4
) {
/* Adjust month from 1-12 to 0-11 */ /* Adjust month from 1-12 to 0-11 */
ptm->tm_mon -= 1; ptm->tm_mon -= 1;
} else } 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, if (sscanf(date_str, "%u.%u.%u-%u:%u%c", &ptm->tm_year,
&ptm->tm_mon, &ptm->tm_mday, &ptm->tm_mon, &ptm->tm_mday,
&ptm->tm_hour, &ptm->tm_min, &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
/* yyyy-mm-dd HH:MM */ /* 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_mon, &ptm->tm_mday,
&ptm->tm_hour, &ptm->tm_min, &ptm->tm_hour, &ptm->tm_min,
&end) >= 5) { &end) >= 5
) {
ptm->tm_year -= 1900; /* Adjust years */ ptm->tm_year -= 1900; /* Adjust years */
ptm->tm_mon -= 1; /* Adjust month from 1-12 to 0-11 */ ptm->tm_mon -= 1; /* Adjust month from 1-12 to 0-11 */
} else } 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 */ return; /* don't fall through to end == ":" check */
} else } else
#endif #endif
//TODO: coreutils 6.9 also accepts "yyyy-mm-dd HH" (no minutes)
{ {
bb_error_msg_and_die(bb_msg_invalid_date, date_str); 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'; end = '\0';
/* else end != NUL and we error out */ /* 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); time_t t = bb_strtol(date_str + 1, NULL, 10);
if (!errno) { if (!errno) {
struct tm *lt = localtime(&t); struct tm *lt = localtime(&t);