[fpc-devel] Memory Streams unable to handle reads past 2GB

[Michael Van Canneyt]

On Tue, 6 Nov 2012, Andrew wrote:

> On 12-11-06 05:43 PM, Jeppe Græsdal Johansen wrote:
>> 
>> It also generates a hint about that:
>> widen.lpr(44,12) Hint: Converting the operands to "Int64" before doing the 
>> multiply could prevent overflow errors.
>
> Right, keep in mind this example was to simulate the read operation of the 
> TMemoryStream when I traced into the problem.  I'm on Ubuntu 12.10 x64.  I 
> just re-installed.  So this is a real problem.

It is a problem with the implementation of TCustomMemoryStream.Read, I fixed it.

The other streams are unaffected by this error, and no change to the API is needed.

Thanks for persisting and pushing me to dig deeper :-)

Permission to go to sleep now ? It's 1 AM...

Michael.