static int
gl_renderer_output_create(struct weston_output *output,
Window xid,
const EGLint *attribs,
const EGLint *visual_id)
{
...
if (gr->create_platform_window) {
go->egl_surface =
gr->create_platform_window(gr->egl_display,
egl_config,
(void*)&xid,
NULL);
} else
go->egl_surface =
eglCreateWindowSurface(gr->egl_display,
egl_config,
(EGLNativeWindowType)xid,
NULL);
}
The void* cast has to read "xid ? (void*)&xid : (void*)0" to handle the
NULL correctly that other calls use.
If in fact it actually *writes* the xid (does it?) then the argument has
to be a Window* xid_p, and this argument is is just (void*)xid_p while
the second one is xid_p?*xid_p:0. I find this doubtful as that would
require many changes to the calling code to handle the xid changing.
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