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-rw-r--r--lib/libc/stdtime/localtime.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/libc/stdtime/localtime.c b/lib/libc/stdtime/localtime.c
index c044274..a82256e 100644
--- a/lib/libc/stdtime/localtime.c
+++ b/lib/libc/stdtime/localtime.c
@@ -1476,6 +1476,12 @@ int * const okayp;
*/
bits = TYPE_BIT(time_t) - 1;
/*
+ ** If we have more than this, we will overflow tm_year for tmcomp().
+ ** We should really return an error if we cannot represent it.
+ */
+ if (bits > 56)
+ bits = 56;
+ /*
** If time_t is signed, then 0 is just above the median,
** assuming two's complement arithmetic.
** If time_t is unsigned, then (1 << bits) is just above the median.
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