[Xcb] Window closed event and xcb_connect return value.

Vincent Torri vtorri at univ-evry.fr
Fri Apr 24 04:59:14 PDT 2009

On Fri, 24 Apr 2009, Julien Danjou wrote:

> At 1240571698 time_t, shuLhan wrote:
>> 1. how to get window-closed event ?
> Select unmap or destroy notify on the window.
>> 2. how do i check fail in xcb_connect() ?
>> 	when i check in xcb_util.c, xcb_connect return
>> 	(xcb_connection_t *) 1 if error. since xcb_connection_t is
>> 	(struct) opaque type how do i cast this to integer ?
> Just cast it.

It is not 1 that is returned. What is returned is a pointer which point to 
an int which value is 1, which is quite strange

Can someone tell me WHY NULL is not returned in case of error ?


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