From: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Date: Mon, 9 Mar 2015 18:28:08 +0000 (-0400)
Subject: Implement bt_ctf_field_type_variant_set_tag_name()
X-Git-Tag: v2.0.0-pre1~1320
X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=commitdiff_plain;h=d9b1ab6dad281d8ba70f6c8dd372ab489ea465c0

Implement bt_ctf_field_type_variant_set_tag_name()

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 a4dca127..11ca0e9e 100644
--- a/formats/ctf/ir/event-types.c
+++ b/formats/ctf/ir/event-types.c
@@ -1334,6 +1334,25 @@ end:
 	return tag_name;
 }
 
+int bt_ctf_field_type_variant_set_tag_name(
+		struct bt_ctf_field_type *type, const char *name)
+{
+	int ret = 0;
+	struct bt_ctf_field_type_variant *variant;
+
+	if (!type || type->frozen ||
+		(type->declaration->id != CTF_TYPE_VARIANT) ||
+		bt_ctf_validate_identifier(name)) {
+		ret = -1;
+		goto end;
+	}
+
+	variant = container_of(type, struct bt_ctf_field_type_variant, parent);
+	g_string_assign(variant->tag_name, name);
+end:
+	return ret;
+}
+
 int bt_ctf_field_type_variant_add_field(struct bt_ctf_field_type *type,
 		struct bt_ctf_field_type *field_type,
 		const char *field_name)
diff --git a/include/babeltrace/ctf-ir/event-types.h b/include/babeltrace/ctf-ir/event-types.h
index 19dd6a33..20069435 100644
--- a/include/babeltrace/ctf-ir/event-types.h
+++ b/include/babeltrace/ctf-ir/event-types.h
@@ -501,6 +501,17 @@ extern struct bt_ctf_field_type *bt_ctf_field_type_variant_get_tag_type(
 extern const char *bt_ctf_field_type_variant_get_tag_name(
 		struct bt_ctf_field_type *variant);
 
+/*
+ * bt_ctf_field_type_variant_set_tag_name: set a variant's tag name.
+ *
+ * @param variant Variant type.
+ * @param name Tag field name.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_variant_set_tag_name(
+		struct bt_ctf_field_type *variant, const char *name);
+
 /*
  * bt_ctf_field_type_variant_add_field: add a field to a variant.
  *