31 lines
978 B
Diff
31 lines
978 B
Diff
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--- a/libbb/time.c
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+++ b/libbb/time.c
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@@ -68,15 +68,23 @@ void FAST_FUNC parse_datestr(const char
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/* else end != NUL and we error out */
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}
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} else
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- /* yyyy-mm-dd HH */
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- if (sscanf(date_str, "%u-%u-%u %u%c", &ptm->tm_year,
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+ if (strchr(date_str, '-')
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+ /* Why strchr('-') check?
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+ * sscanf below will trash ptm->tm_year, this breaks
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+ * if parse_str is "10101010" (iow, "MMddhhmm" form)
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+ * because we destroy year. Do these sscanf
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+ * only if we saw a dash in parse_str.
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+ */
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+ /* yyyy-mm-dd HH */
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+ && (sscanf(date_str, "%u-%u-%u %u%c", &ptm->tm_year,
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&ptm->tm_mon, &ptm->tm_mday,
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&ptm->tm_hour,
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&end) >= 4
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- /* yyyy-mm-dd */
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- || sscanf(date_str, "%u-%u-%u%c", &ptm->tm_year,
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+ /* yyyy-mm-dd */
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+ || sscanf(date_str, "%u-%u-%u%c", &ptm->tm_year,
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&ptm->tm_mon, &ptm->tm_mday,
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&end) >= 3
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+ )
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) {
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ptm->tm_year -= 1900; /* Adjust years */
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ptm->tm_mon -= 1; /* Adjust month from 1-12 to 0-11 */
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