matthew green writes: > > > - used = dst - conv->wbuff; > > > + size_t sused = (uintptr_t)dst - (uintptr_t)conv->wbuff; > > > > Any particular reason why there is a cast to uintptr_t here? I don't > > think there is a guarantee that you can calculate an offset by > > subtracting uintptr_ts calculated from pointers. The description in the > > C Standard only guarantees that you can convert them back to a pointer > > which compares the same to the original, but that's it. I don't find any > > other promises about uintptr_t. > > in this case, they're not necessary it seems. probably left > over from my initial attempts at this workaround.
uh, apparently i forgot to save the file before compiling, because simply removing them returns the sign-compare warning, but that's fixable by using ptrdiff_t. .mrg.
