actions: implement is_equal

[lttng-tools.git] / src / common / actions / action.c

diff --git a/src/common/actions/action.c b/src/common/actions/action.c
index f15163818c7a622b2ea24085afa1c4219bde240a..50e1b1d84b1d1a971f2bc188adc66897b21d5d53 100644 (file)
--- a/src/common/actions/action.c
+++ b/src/common/actions/action.c
@@ -40,11 +40,13 @@ void lttng_action_init(
                enum lttng_action_type type,
                action_validate_cb validate,
                action_serialize_cb serialize,
+               action_equal_cb equal,
                action_destroy_cb destroy)
 {
        action->type = type;
        action->validate = validate;
        action->serialize = serialize;
+       action->equal = equal;
        action->destroy = destroy;
 }
 
@@ -155,3 +157,28 @@ ssize_t lttng_action_create_from_buffer(const struct lttng_buffer_view *view,
 end:
        return consumed_len;
 }
+
+LTTNG_HIDDEN
+bool lttng_action_is_equal(const struct lttng_action *a,
+               const struct lttng_action *b)
+{
+       bool is_equal = false;
+
+       if (!a || !b) {
+               goto end;
+       }
+
+       if (a->type != b->type) {
+               goto end;
+       }
+
+       if (a == b) {
+               is_equal = true;
+               goto end;
+       }
+
+       assert(a->equal);
+       is_equal = a->equal(a, b);
+end:
+       return is_equal;
+}