I think there are also many cases where we should use either (size_t and ptrdiff_t) or (intptr_t and uintptr_t), which are not int and not explicitly sized. In some of these cases we use PRUint32/PRInt32 today. I think we should be using these for things that correspond to the size or number of allocations (e.g., the size of an array, a reference count), since they should correspond to the size of pointers or number of objects that can be allocated on the architecture in question. I think doing this avoids some types of integer overflow bugs.
I'm not sure what the reason to prefer size_t/ptrdiff_t vs. intptr_t/uintptr_t are (and I hope there aren't any cases where they're different). I suppose size_t and ptrdiff_t have been around longer, but intptr_t and uintptr_t have clearer names. But I also tend to think we should only use one set of them. -David -- 𝄞 L. David Baron http://dbaron.org/ 𝄂 𝄢 Mozilla http://www.mozilla.org/ 𝄂 _______________________________________________ dev-platform mailing list [email protected] https://lists.mozilla.org/listinfo/dev-platform
