On Mon, Sep 08, 2003 at 03:40:58PM +0200, Alfred M. Szmidt wrote: > The glibc manual says these function can return an error, so we should check > for one. But we should also check for NULL return values, it seems. The > POSIX specification is not very clearly worded, but it seems that not > finding an entry is also a "successful" operation (no error value is defined > for an unsuccesful lookup if it failed because the user does not exist). > > I think that we should just check if the structure is NULL instead of > checking the return value _and_ the structure, this is simpler, and > cleaner. As for what the glibc functions are supposed todo (set > errno, or return something of use), thats a topic for libc-alpha. > I'll report it there in a few days.
Well, as I said, the POSIX standard seems to be clear by omission here. As far as checking for NULL: POSIX says that NULL should be returned in case of an error, so that's ok to do. Thanks, Marcus -- `Rhubarb is no Egyptian god.' GNU http://www.gnu.org [EMAIL PROTECTED] Marcus Brinkmann The Hurd http://www.gnu.org/software/hurd/ [EMAIL PROTECTED] http://www.marcus-brinkmann.de/ _______________________________________________ Bug-hurd mailing list [EMAIL PROTECTED] http://mail.gnu.org/mailman/listinfo/bug-hurd
