Re: Error messages again

[John Darrington]

On Thu, May 18, 2006 at 07:06:53AM -0700, Ben Pfaff wrote:
     John Darrington <address@hidden> writes:
     
     > The "domain" field is roughly equivalent to our class member, so
     > converting between the two will be resonably straightforward.  But the
     > "code" member has no equivalent. It needs to be a unique number for
     > each error message.
     >
     > I'm not sure how we'd implement that.  One idea would be to  have it
     > initialsed whenever the function msg is called: Change msg to a macro,
     > and initialise code to a hash of the __FILE__, __LINE__ combination.
     
     What does the "code" member actually get used for?  i.e. is there
     a reason we should actually care that it is unique?

There's a function :

/* Returns TRUE if error matches domain and code, FALSE otherwise. */
gboolean    g_error_matches                 (const GError *error,
                                             GQuark domain,
                                             gint code);

So the (domain, code) pair should be unique.

J'


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