Re: [PATCH 13/14] git-compat-util.h: fix integer overflow on IL32P64 systems

[Junio C Hamano <gitster@pobox.com>]

Junio C Hamano <gitster@pobox.com> writes:

> Marat Radchenko <marat@slonopotamus.org> writes:
>
>> Signed-off-by: Marat Radchenko <marat@slonopotamus.org>
>> ---
>>  git-compat-util.h | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/git-compat-util.h b/git-compat-util.h
>> index b338277..101c9d7 100644
>> --- a/git-compat-util.h
>> +++ b/git-compat-util.h
>> @@ -474,7 +474,7 @@ extern int git_munmap(void *start, size_t length);
>>  #endif
>>  
>>  #define DEFAULT_PACKED_GIT_LIMIT \
>> -	((1024L * 1024L) * (sizeof(void*) >= 8 ? 8192 : 256))
>> +	((size_t)(1024L * 1024L) * (sizeof(void*) >= 8 ? 8192 : 256))
>
> 1024 * 1024 * 8192 overflows 32-bit unsigned, but is size_t always
> large enough?  Just checking.

Heh, I was being silly.  This gives the default value for a variable
whose type is size_t, so it would better fit.  So please throw 13 in
the list of changes I found sensible in the other message.

Thanks.

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