On Sun, Mar 01, 2009 at 10:40:40AM +0200, Kalle Olavi Niemitalo wrote: > results in a warning: > hoh.c: In function ‘main’: > hoh.c:4: warning: comparison with string literal results in unspecified > behavior > The warning claims the behaviour is unspecified.
The warning is correct. The behaviour is undefined. > But actually this comparison must always evaluate to false > because the strings consist of different characters and > must thus have different addresses. §6.4.5 6) say: | It is unspecified whether these arrays are distinct provided their | elements have the appropriate values. Also string literals are no pointers and don't need to have an address. > A gcc-help thread about this warning indicates it is intended to > warn about only those uses that really are unspecified: > http://news.gmane.org/find-root.php?message_id=<4794757e.3020...@redhat.com> I don't see why this is no the case here. Bastian -- Lots of people drink from the wrong bottle sometimes. -- Edith Keeler, "The City on the Edge of Forever", stardate unknown -- To UNSUBSCRIBE, email to debian-gcc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
