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xutil: support NULL as atom cache 

Signed-off-by: Julien Danjou <julien@danjou.info>
This commit is contained in:
Julien Danjou 2008-06-14 12:10:22 +02:00
parent 89e03dd326
commit 477c6eb4a1
1 changed files with 40 additions and 33 deletions
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71
common/xutil.c
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@ -39,7 +39,8 @@
* \return true on sucess, falsse on failure
*/
bool
xutil_gettextprop(xcb_connection_t *conn, xcb_window_t w, xutil_atom_cache_t **atoms,
xutil_gettextprop(xcb_connection_t *conn, xcb_window_t w,
xutil_atom_cache_t **atoms,
xcb_atom_t atom, char **text)
{
xcb_get_property_cookie_t prop_c;
@ -157,14 +158,15 @@ xutil_get_transient_for_hint(xcb_connection_t *c, xcb_window_t win,
/** Send an unchecked InternAtom request if it is not already in the
* cache, in the second case it stores the cache entry (an ordered
* linked-list)
* \param c X connection
* \param atoms atoms cache
* \param name atom name
* \return a request structure
* linked-list).
* \param c X connection.
* \param atoms Atoms cache, or NULL if no cache.
* \param name Atom name.
* \return A request structure.
*/
xutil_intern_atom_request_t
xutil_intern_atom(xcb_connection_t *c, xutil_atom_cache_t **atoms,
xutil_intern_atom(xcb_connection_t *c,
xutil_atom_cache_t **atoms,
const char *name)
{
xutil_intern_atom_request_t atom_req;
@ -175,15 +177,16 @@ xutil_intern_atom(xcb_connection_t *c, xutil_atom_cache_t **atoms,
/* Check if this atom is present in the cache ordered
* linked-list */
for(atom_next = *atoms;
atom_next && (cmp_cache = a_strcmp(name, atom_next->name)) >= 0;
atom_next = atom_cache_list_next(NULL, atom_next))
if(cmp_cache == 0)
{
atom_req.cache_hit = true;
atom_req.cache = atom_next;
return atom_req;
}
if(atoms)
for(atom_next = *atoms;
atom_next && (cmp_cache = a_strcmp(name, atom_next->name)) >= 0;
atom_next = atom_cache_list_next(NULL, atom_next))
if(cmp_cache == 0)
{
atom_req.cache_hit = true;
atom_req.cache = atom_next;
return atom_req;
}
/* Otherwise send an InternAtom request to the server */
atom_req.cache_hit = false;
@ -195,14 +198,15 @@ xutil_intern_atom(xcb_connection_t *c, xutil_atom_cache_t **atoms,
/** Treat the reply which may be a cache entry or a reply from
* InternAtom request (cookie), in the second case, add the atom to
* the cache
* \param c X connection
* \param atoms atoms cache
* \param atom_req atom request
* \return a brand new xcb_atom_t
* the cache.
* \param c X connection.
* \param atoms Atoms cache or NULL if no cache.
* \param atom_req Atom request.
* \return A brand new xcb_atom_t.
*/
xcb_atom_t
xutil_intern_atom_reply(xcb_connection_t *c, xutil_atom_cache_t **atoms,
xutil_intern_atom_reply(xcb_connection_t *c,
xutil_atom_cache_t **atoms,
xutil_intern_atom_request_t atom_req)
{
xcb_intern_atom_reply_t *atom_rep;
@ -222,18 +226,21 @@ xutil_intern_atom_reply(xcb_connection_t *c, xutil_atom_cache_t **atoms,
atom_cache->atom = atom_rep->atom;
atom_cache->name = atom_req.name;
/* Add the entry in the list at the beginning of the cache list */
if(*atoms == NULL || a_strcmp(atom_req.name, (*atoms)->name) < 0)
atom_cache_list_push(atoms, atom_cache);
/* Otherwise insert it at the proper position in the cache list
* according to its name */
else
if(atoms)
{
for(atom_next = *atoms;
atom_next && atom_next->next && a_strcmp(atom_req.name, atom_next->next->name) > 0;
atom_next = atom_cache_list_next(NULL, atom_next));
/* Add the entry in the list at the beginning of the cache list */
if(*atoms == NULL || a_strcmp(atom_req.name, (*atoms)->name) < 0)
atom_cache_list_push(atoms, atom_cache);
/* Otherwise insert it at the proper position in the cache list
* according to its name */
else
{
for(atom_next = *atoms;
atom_next && atom_next->next && a_strcmp(atom_req.name, atom_next->next->name) > 0;
atom_next = atom_cache_list_next(NULL, atom_next));
atom_cache_list_attach_after(atom_next, atom_cache);
atom_cache_list_attach_after(atom_next, atom_cache);
}
}
p_delete(&atom_rep);