Re: VirtualAlloc,GlobalAlloc,HeapAlloc,..what to use in my case,...

Hi,

i have a application that reads a unknown bunch of
files to a block of memory, handles them and finally
frees the memory. For now, i work with VirtualAlloc,
but i get after processing ~250 Files a GetLastError=8
for any memory request, even i know that memory has
been released with VirtualFree=TRUE. Why is that
the case? The System has 1GB of real physical memory.
Sure i know the limitations of user memory space and
process space. VirtualAlloc will always be called with
MEM_COMMIT and PAGE_READWRITE in my code.
I have to read the complete file, not a piece of it, so
some files are 205 byte others about 20MB. So what
and how can i asure, that my application frees the
allocated memory after ist usage and what are the
differences on processing impact if i use these functions,
better to say: what are the differences between VirtualAlloc,
GlobalAlloc and HeapAlloc? The Application is a single
threaded app and expects a folder path as input, then it
processes the files:

FOR EACH FILE IN FOLDER
   IsFileReadable
   ReadFileSize
   VirtualAlloc
   ReadFileContent
   DoAnalyzeFileContent
   WriteToOwnAppFile
   FlushBuffers
   VirtualFree
NEXT FILE
ExitApplication

How can i prevent to run into a GetLastError()=8
Subsequent Memory Request fail after a GetLastError=8

Regards

K.

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Beste Gr?sse / Best regards / Votre bien devoue
Kerem G?mr?kc?
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