Miles Bader writes: > Holger Eitzenberger <holger@xxxxxxxxxxxxxxxx> writes: > >> Dose anyone have a reasonable explanation about that? > > > > make sure to use 'unsigned long' instead of 'unsigned int', as only the > > first one will be 64bit in a 64bit environment, the latter still will > > be 32bit. > > You can't really assume this -- apparently on ms-windows "long" is > still 32 bit, even in a "64-bit" environment (stupid, I agree, but > I guess MS has too much badly written code that they don't want to > break...). Indeed. ptrdiff_t and size_t and intptr_t are the types to use, depending on exactly what is wanted. Andrew.
