ir: add bt_ctf_field_string_append()

[babeltrace.git] / formats / ctf / ir / event-fields.c

diff --git a/formats/ctf/ir/event-fields.c b/formats/ctf/ir/event-fields.c
index a93cf695c6c5a86c50c41889cd254177b4563640..92c06da8b0ec8a7bf58ae3cd76d8e0aea38e2bef 100644 (file)
--- a/formats/ctf/ir/event-fields.c
+++ b/formats/ctf/ir/event-fields.c
@@ -919,6 +919,33 @@ end:
        return ret;
 }
 
+int bt_ctf_field_string_append(struct bt_ctf_field *field,
+               const char *value)
+{
+       int ret = 0;
+       struct bt_ctf_field_string *string_field;
+
+       if (!field || !value ||
+               bt_ctf_field_type_get_type_id(field->type) !=
+                       CTF_TYPE_STRING) {
+               ret = -1;
+               goto end;
+       }
+
+       string_field = container_of(field, struct bt_ctf_field_string, parent);
+
+       if (string_field->payload) {
+               g_string_append(string_field->payload, value);
+       } else {
+               string_field->payload = g_string_new(value);
+       }
+
+       string_field->parent.payload_set = 1;
+
+end:
+       return ret;
+}
+
 BT_HIDDEN
 int bt_ctf_field_validate(struct bt_ctf_field *field)
 {