From: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Date: Mon, 11 May 2015 21:22:27 +0000 (-0400)
Subject: ir: add bt_ctf_field_type_variant_get_field_name_index()
X-Git-Tag: v2.0.0-pre1~1249
X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=commitdiff_plain;h=736133f1ae231a5bf12d45be43066d6825450efe

ir: add bt_ctf_field_type_variant_get_field_name_index()

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---

diff --git a/formats/ctf/ir/event-types.c b/formats/ctf/ir/event-types.c
index 195f935d..9b78c0db 100644
--- a/formats/ctf/ir/event-types.c
+++ b/formats/ctf/ir/event-types.c
@@ -1988,6 +1988,39 @@ int bt_ctf_field_type_structure_get_field_name_index(
 end:
 	return ret;
 }
+
+BT_HIDDEN
+int bt_ctf_field_type_variant_get_field_name_index(
+		struct bt_ctf_field_type *type, const char *name)
+{
+	int ret;
+	size_t index;
+	GQuark name_quark;
+	struct bt_ctf_field_type_variant *variant;
+
+	if (!type || !name ||
+		bt_ctf_field_type_get_type_id(type) != CTF_TYPE_VARIANT) {
+		ret = -1;
+		goto end;
+	}
+
+	name_quark = g_quark_try_string(name);
+	if (!name_quark) {
+		ret = -1;
+		goto end;
+	}
+
+	variant = container_of(type, struct bt_ctf_field_type_variant,
+		parent);
+	if (!g_hash_table_lookup_extended(variant->field_name_to_index,
+		GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) {
+		ret = -1;
+		goto end;
+	}
+	ret = (int) index;
+end:
+	return ret;
+}
 static
 void bt_ctf_field_type_integer_destroy(struct bt_ctf_ref *ref)
 {
diff --git a/include/babeltrace/ctf-ir/event-types-internal.h b/include/babeltrace/ctf-ir/event-types-internal.h
index a5057e20..8ae102b0 100644
--- a/include/babeltrace/ctf-ir/event-types-internal.h
+++ b/include/babeltrace/ctf-ir/event-types-internal.h
@@ -169,4 +169,8 @@ struct bt_ctf_field_type *bt_ctf_field_type_copy(
 BT_HIDDEN
 int bt_ctf_field_type_structure_get_field_name_index(
 		struct bt_ctf_field_type *structure, const char *name);
+
+BT_HIDDEN
+int bt_ctf_field_type_variant_get_field_name_index(
+		struct bt_ctf_field_type *variant, const char *name);
 #endif /* BABELTRACE_CTF_IR_EVENT_TYPES_INTERNAL_H */