Paul Eggert said: >> ptrdiff_t has to be able to hold the largest difference between two >> pointers; it is a signed type. > > The C standard does not require this. It allows an implementation, > for example, where size_t is 64 bits, ptrdiff_t is 32, and objects can > be created with more than 2**32 bytes. The behavior is undefined > if you subtract two pointers into a same object and the resulting > value does not fit into ptrdiff_t. See section 6.5.6 of the standard.
True. My bad. -- Clive D.W. Feather | Work: <[EMAIL PROTECTED]> | Tel: +44 20 8495 6138 Internet Expert | Home: <[EMAIL PROTECTED]> | Fax: +44 870 051 9937 Demon Internet | WWW: http://www.davros.org | Mobile: +44 7973 377646 THUS plc | |
