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core: add nm_auth_chain_steal_data()

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New function for removing data from the auth chain without
destroying it.
This commit is contained in:
Dan Williams
2011-07-01 14:18:46 -05:00
parent 937970f60c
commit c08279dff4
2 changed files with 33 additions and 0 deletions
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31
src/nm-manager-auth.c
View File

@@ -173,6 +173,37 @@ nm_auth_chain_get_data (NMAuthChain *self, const char *tag)
return tmp ? tmp->data : NULL;
}
/**
* nm_auth_chain_steal_data:
* @self: A #NMAuthChain.
* @tag: A "tag" uniquely identifying the data to steal.
*
* Removes the datum assocated with @tag from the chain's data associations,
* without invoking the association's destroy handler. The caller assumes
* ownership over the returned value.
*
* Returns: the datum originally associated with @tag
*/
gpointer
nm_auth_chain_steal_data (NMAuthChain *self, const char *tag)
{
ChainData *tmp;
gpointer value = NULL;
g_return_val_if_fail (self != NULL, NULL);
g_return_val_if_fail (tag != NULL, NULL);
tmp = g_hash_table_lookup (self->data, tag);
if (tmp) {
g_hash_table_steal (self->data, tag);
value = tmp->data;
/* Make sure the destroy handler isn't called when freeing */
tmp->destroy = NULL;
free_data (tmp);
}
return value;
}
void
nm_auth_chain_set_data (NMAuthChain *self,
const char *tag,

2
src/nm-manager-auth.h
View File

@@ -70,6 +70,8 @@ NMAuthChain *nm_auth_chain_new_dbus_sender (const char *dbus_sender,
gpointer nm_auth_chain_get_data (NMAuthChain *chain, const char *tag);
gpointer nm_auth_chain_steal_data (NMAuthChain *chain, const char *tag);
void nm_auth_chain_set_data (NMAuthChain *chain,
const char *tag,
gpointer data,