Make captured field values available to event rule cond. evaluation

[lttng-tools.git] / src / common / event-field-value.c

diff --git a/src/common/event-field-value.c b/src/common/event-field-value.c
index d7687880f6b8c575d0ae59584676848c29ce9745..b571f6246430ad7ba667b9d24c15a519fc7b7d31 100644 (file)
--- a/src/common/event-field-value.c
+++ b/src/common/event-field-value.c
@@ -517,21 +517,23 @@ end:
        return ret;
 }
 
-const char *lttng_event_field_value_string_get_value(
-               const struct lttng_event_field_value *field_val)
+enum lttng_event_field_value_status lttng_event_field_value_string_get_value(
+               const struct lttng_event_field_value *field_val,
+               const char **value)
 {
-       const char *ret;
+       enum lttng_event_field_value_status status;
 
        if (!field_val || field_val->type != LTTNG_EVENT_FIELD_VALUE_TYPE_STRING) {
-               ret = NULL;
+               status = LTTNG_EVENT_FIELD_VALUE_STATUS_INVALID;
                goto end;
        }
 
-       ret = container_of(field_val,
+       *value = container_of(field_val,
                        const struct lttng_event_field_value_string, parent)->val;
+       status = LTTNG_EVENT_FIELD_VALUE_STATUS_OK;
 
 end:
-       return ret;
+       return status;
 }
 
 enum lttng_event_field_value_status lttng_event_field_value_array_get_length(