aCthrowa

4 ms·

1. 1.▲
   by aCthrowa 11y ago

   Yes, this limits the utility of ptrdiff_t. But I don't believe you're allowed to subtract arbitrary pointers in C anyway. So you might need a >63-bit char array in order to legally hit this limit, and you probably don't ha
2. 2.▲
   by aCthrowa 11y ago

   ptrdiff_t is the wrong type for exactly this reason. OP's article is... not good.
3. 3.▲
   by aCthrowa 11y ago

   This may be practically correct, but is semantically very very wrong. size_t represents the size of objects in memory. So of course it scales with virtual memory space. ssize_t is like size_t (same width), but signed. It's useful for r