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On 26.11.2010 16:54, steve donovan wrote:
But, if it calls any C runtime functions, then that runtime's
allocator may kick in, and you are back where you started.

Most C extensions take the lazy way out and just use malloc (or
strdup, etc) - naturally they wish to remain portable!
If pointers returned by malloc aren't freed by other dlls and things like FILE* aren't passed across dll borders, nothing wrong may happen as far as I understand. If a dll does pass such stuff around, it won't be usable from any language other than C/C++ and would cause all the mentioned problems with runtime dlls when used from C/C++. So, in my opinion it's definitely a bug, but I'm not a C guy. Personally I prefer to link CRT statically.

Thanks for the link.

Best regards,
Sergey Rozhenko