date,touch: accept Jan 7 00:00:00 2010 format

function                                             old     new   delta
parse_datestr                                        618     647     +29

Signed-off-by: Alexander Shishkin <virtuoso@slind.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 13 insertions, 1 deletions

diff --git a/libbb/time.c b/libbb/time.c
index 45ae6f3a7..5cd04268c 100644
--- a/libbb/time.c
+++ b/libbb/time.c
@@ -15,6 +15,9 @@ void FAST_FUNC parse_datestr(const char *date_str, struct tm *ptm)
 
         if (last_colon != NULL) {
                 /* Parse input and assign appropriately to ptm */
+#if ENABLE_DESKTOP
+                const char *endp;
+#endif
 
                 /* HH:MM */
                 if (sscanf(date_str, "%u:%u%c",
@@ -46,8 +49,17 @@ void FAST_FUNC parse_datestr(const char *date_str, struct tm *ptm)
                                         &end) >= 5) {
                         ptm->tm_year -= 1900; /* Adjust years */
                         ptm->tm_mon -= 1; /* Adjust month from 1-12 to 0-11 */
+                } else
+#if ENABLE_DESKTOP  /* strptime is BIG: ~1k in uclibc, ~10k in glibc */
+                /* month_name d HH:MM:SS YYYY. Supported by GNU date */
+                if ((endp = strptime(date_str, "%b %d %T %Y", ptm)) != NULL
+                 && *endp == '\0'
+                ) {
+                        return; /* don't fall through to end == ":" check */
+                } else
+#endif
 //TODO: coreutils 6.9 also accepts "yyyy-mm-dd HH" (no minutes)
-                } else {
+                {
                         bb_error_msg_and_die(bb_msg_invalid_date, date_str);
                 }
                 if (end == ':') {