libbb: in @SECONDS date format, use 64-bit time if libc allows

function                                             old     new   delta
packed_usage                                       33472   33486     +14
parse_datestr                                        919     916      -3

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2020-11-28 23:21:13 +01:00
parent 4dee016059
commit 32a8f70ac1
2 changed files with 6 additions and 1 deletions

View File

@ -111,6 +111,7 @@
//usage: )
//usage: "\n"
//usage: "\nRecognized TIME formats:"
//usage: "\n @seconds_since_1970"
//usage: "\n hh:mm[:ss]"
//usage: "\n [YYYY.]MM.DD-hh:mm[:ss]"
//usage: "\n YYYY-MM-DD hh:mm[:ss]"

View File

@ -90,7 +90,11 @@ void FAST_FUNC parse_datestr(const char *date_str, struct tm *ptm)
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;
if (sizeof(t) <= sizeof(long))
t = bb_strtol(date_str + 1, NULL, 10);
else /* time_t is 64 bits but longs are smaller */
t = bb_strtoll(date_str + 1, NULL, 10);
if (!errno) {
struct tm *lt = localtime(&t);
if (lt) {