Am 11.04.2014 20:50 schrieb "waldo kitty" <wkitt...@windstream.net>: > > On 4/11/2014 5:03 AM, Michael Van Canneyt wrote: >> >> The main point is that in FPC you can install a memory manager that wipes out >> any memory when getting or releasing it, if you want to make your software more >> secure that way. > [snip] > > i don't know how one would go about cleaning released memory as someone else asked about (eg: extending an array or string or etc)... once the memory is released, it is no longer accessible, right?
That's where the heap manager comes in. In FPC every allocation that is not done manually through OS functions (namely string/array allocation, class allocation, getmem() and new()) go through the heap manager of which you can register a custom one. This heap manager hooks the allocation and deallocation calls and thus you could provide a manager that clears deallocated memory (or fills with random data) before it's passed on to the default heap manager. Regards, Sven
_______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal
