actiongroup: Add a compiler warning

Warn when the boolean return isn't used, since we may not initialize
the out arguments in the FALSE case. Update all internal callers to
use the return value. They were already safe, but users outside GLib
may not be.
This commit is contained in:
Matthias Clasen 2023-04-07 08:12:06 -04:00
parent adcf017eb4
commit e03a96e934
2 changed files with 16 additions and 11 deletions

View File

@ -133,9 +133,10 @@ static gboolean
g_action_group_real_get_action_enabled (GActionGroup *action_group,
const gchar *action_name)
{
gboolean enabled = FALSE;
gboolean enabled;
g_action_group_query_action (action_group, action_name, &enabled, NULL, NULL, NULL, NULL);
if (!g_action_group_query_action (action_group, action_name, &enabled, NULL, NULL, NULL, NULL))
return FALSE;
return enabled;
}
@ -144,9 +145,10 @@ static const GVariantType *
g_action_group_real_get_action_parameter_type (GActionGroup *action_group,
const gchar *action_name)
{
const GVariantType *type = NULL;
const GVariantType *type;
g_action_group_query_action (action_group, action_name, NULL, &type, NULL, NULL, NULL);
if (!g_action_group_query_action (action_group, action_name, NULL, &type, NULL, NULL, NULL))
return NULL;
return type;
}
@ -155,9 +157,10 @@ static const GVariantType *
g_action_group_real_get_action_state_type (GActionGroup *action_group,
const gchar *action_name)
{
const GVariantType *type = NULL;
const GVariantType *type;
g_action_group_query_action (action_group, action_name, NULL, NULL, &type, NULL, NULL);
if (!g_action_group_query_action (action_group, action_name, NULL, NULL, &type, NULL, NULL))
return NULL;
return type;
}
@ -166,9 +169,10 @@ static GVariant *
g_action_group_real_get_action_state_hint (GActionGroup *action_group,
const gchar *action_name)
{
GVariant *hint = NULL;
GVariant *hint;
g_action_group_query_action (action_group, action_name, NULL, NULL, NULL, &hint, NULL);
if (!g_action_group_query_action (action_group, action_name, NULL, NULL, NULL, &hint, NULL))
return NULL;
return hint;
}
@ -177,9 +181,10 @@ static GVariant *
g_action_group_real_get_action_state (GActionGroup *action_group,
const gchar *action_name)
{
GVariant *state = NULL;
GVariant *state;
g_action_group_query_action (action_group, action_name, NULL, NULL, NULL, NULL, &state);
if (!g_action_group_query_action (action_group, action_name, NULL, NULL, NULL, NULL, &state))
return NULL;
return state;
}

View File

@ -156,7 +156,7 @@ gboolean g_action_group_query_action (GAction
const GVariantType **parameter_type,
const GVariantType **state_type,
GVariant **state_hint,
GVariant **state);
GVariant **state) G_GNUC_WARN_UNUSED_RESULT;
G_END_DECLS