Return component port counts by parameter

[babeltrace.git] / lib / component / filter.c

diff --git a/lib/component/filter.c b/lib/component/filter.c
index da59cc21d82081f81ad69c82d7aed02445f36bb7..8abd5a6d38c2b1be421fdd0547ec9faf83266315 100644 (file)
--- a/lib/component/filter.c
+++ b/lib/component/filter.c
@@ -127,25 +127,26 @@ end:
        return ret;
 }
 
-int bt_component_filter_get_input_port_count(struct bt_component *component)
+enum bt_component_status bt_component_filter_get_input_port_count(
+               struct bt_component *component, uint64_t *count)
 {
-       int ret;
+       enum bt_component_status status = BT_COMPONENT_STATUS_OK;
        struct bt_component_filter *filter;
 
-       if (!component) {
-               ret = -1;
+       if (!component || !count) {
+               status = BT_COMPONENT_STATUS_INVALID;
                goto end;
        }
 
        if (component->class->type != BT_COMPONENT_CLASS_TYPE_FILTER) {
-               ret = -1;
+               status = BT_COMPONENT_STATUS_INVALID;
                goto end;
        }
 
        filter = container_of(component, struct bt_component_filter, parent);
-       ret = filter->input_ports->len;
+       *count = (uint64_t) filter->input_ports->len;
 end:
-       return ret;
+       return status;
 }
 
 struct bt_port *bt_component_filter_get_input_port(
@@ -227,25 +228,26 @@ end:
        return status;
 }
 
-int bt_component_filter_get_output_port_count(struct bt_component *component)
+enum bt_component_status bt_component_filter_get_output_port_count(
+               struct bt_component *component, uint64_t *count)
 {
-       int ret;
+       enum bt_component_status status = BT_COMPONENT_STATUS_OK;
        struct bt_component_filter *filter;
 
-       if (!component) {
-               ret = -1;
+       if (!component || !count) {
+               status = BT_COMPONENT_STATUS_INVALID;
                goto end;
        }
 
        if (component->class->type != BT_COMPONENT_CLASS_TYPE_FILTER) {
-               ret = -1;
+               status = BT_COMPONENT_STATUS_INVALID;
                goto end;
        }
 
        filter = container_of(component, struct bt_component_filter, parent);
-       ret = filter->output_ports->len;
+       *count = (uint64_t) filter->output_ports->len;
 end:
-       return ret;
+       return status;
 }
 
 struct bt_port *bt_component_filter_get_output_port(