On Jun 17, 2005, at 17:05:37, [EMAIL PROTECTED] wrote: > This is invalid code and a GNU extension to take the sizeof(void). The > reason > why GCC defines it as 1 is because you can do the following: > void *a; > a++; > > If you want to error out on GNU extensions, use -pedantic-errors. > > Thanks, > Andrew Pinski
To imagine the worst situation: char *x = (char *)0xBAD0DAD0; x++; // -> x = 0xBAD0DAD1 (adding +1) int *y = x; // -> y = 0xBAD0DAD1 y++; // -> y = 0xBAD0DAD5 (adding +4, sizeof(int)==4 ) void *z = y; // -> z = 0xBAD0DAD5 z++; // adding +0? adding +1? adding +4? abort this error? Sincerely yours, J.C.
