How does one decode GError?

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1

I called g_dbus_connection_call_sync and the returned error->message indicated a timeout.

I printed error->code as an integer, and it was 24. I printed G_DBUS_ERROR_TIMED_OUT and it had a value of 20.

Since G_DBUS_TIMEOUT is even earlier in the enum, how do I decode this? Do I also need to look at the domain?

2

Yes, you need to look at the error domain. Error codes are meaningful only within an error domain.

For example, if the error domain is G_IO_ERROR, then error code 24 would correspond to G_IO_ERROR_TIMED_OUT. That’s surely what you’ve got! You’re dealing with a GIOError, and not a GDBusError.

3

I did a search on G_IO_ERROR, and found this:

So I think g_error_matches() is what I need to use.

Thanks.

4

You likely want to read the GLib documentation on error reporting as well.

5

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