VirtuallAlloc and malloc
Isequals toCode:malloc(size)?Code:VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_EXECUTE_READWRITE)
So doequals toCode:VirtualFree(memblock, size, MEM_DECOMMIT)?Code:free(memblock)
Btw, I want to modify TCC (TinyCC) and make it free from msvcrt.dll ^_^
Borland's and DigitalMars C compiler are free from msvcrt but unfortunately they produce BIG execute-able file.
Anybody tried TCC (TinyCC)?
When I look at the CRT source code for malloc() in Visual Studio, it looks like it's calling HeapAlloc().
What is the different between heap and virtual memory?Originally Posted by cpjust
malloc and VirtualAlloc are not the same thing. You cannot depend on the knowledge that they are because each implementation is different from the other. Malloc is not guaranteed to call VirtualAlloc. It can call HeapAlloc or something else.
VirtualAlloc has a different purpose than malloc, and should be used sparingly.
And I recommend you don't free the executable from the dll. If you do, that code needs to be inside the executable, thus bloating the exe instead.
See it this way: you only need to copy that dll once, and never more. But if you don't do that and include the code in the exe, you will have to download extra each time.
Static vs. dynamic.
I don't know msvcrt.dll's license... T_T
It's a runtime dll. You can redistribute it to any computer you please.
