On Saturday 19 September 2009 22:41:41 Michael Kerrisk wrote: > On Mon, Aug 10, 2009 at 2:06 PM, Jon Grant wrote: > > On my embedded > > platform it is the beginning of the boot ROM. However typically 0x0 is > > an invalid address, in which case strlen should check for NULL, and > > return 0 > > I don't think it should check for this. If the addres is invalid, it > should be treated like any other invalid address -- usually a SIGSEGV > results. right. if 0 is a valid address, then strlen() should work. if it isnt valid and you called strlen() on it anyways, then your code sucks and it should crash. POSIX does not require special handling of any address, so neither should Linux. -mike
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