[Python-Dev] Checking input range in time.asctime and time.ctime

R. David Murray rdmurray at bitdance.com
Thu Jan 6 16:47:25 CET 2011


On Thu, 06 Jan 2011 12:55:24 +0100, Victor Stinner <victor.stinner at haypocalc.com> wrote:
>Le jeudi 06 janvier 2011 à 00:10 -0500, Alexander Belopolsky a écrit :
>>  If calling specific system functions such as strftime with tm_year <
>> 0 is deemed unsafe, we can move the check to where the system function
>> is called.
>
>What do you mean by "unsafe"? Does it crash? On my Linux box,
>strftime("%Y") is able to format integers in [-2^31-1900; 2^31-1-1900]
>(full range of the int type).

I believe that we have had several cases where Windows "crashed" when
out-of-range values were passed to the CRT that other platforms
accepted.

--
R. David Murray                                      www.bitdance.com


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