From 331b8d44fe96f3a5e5d8a177e0eebda9838ac8d5 Mon Sep 17 00:00:00 2001
From: Philippe Proulx <eeppeliteloop@gmail.com>
Date: Wed, 24 May 2017 17:59:03 -0400
Subject: [PATCH] field-path.c: add internal function to stringify a field path
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This is to be used by logging statements.

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---
 .../babeltrace/ctf-ir/field-path-internal.h   |  3 +++
 lib/ctf-ir/field-path.c                       | 27 +++++++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/include/babeltrace/ctf-ir/field-path-internal.h b/include/babeltrace/ctf-ir/field-path-internal.h
index de08a87e9..b270094ba 100644
--- a/include/babeltrace/ctf-ir/field-path-internal.h
+++ b/include/babeltrace/ctf-ir/field-path-internal.h
@@ -54,4 +54,7 @@ BT_HIDDEN
 struct bt_ctf_field_path *bt_ctf_field_path_copy(
 		struct bt_ctf_field_path *path);
 
+BT_HIDDEN
+GString *bt_ctf_field_path_string(struct bt_ctf_field_path *path);
+
 #endif /* BABELTRACE_CTF_IR_FIELD_PATH_INTERNAL */
diff --git a/lib/ctf-ir/field-path.c b/lib/ctf-ir/field-path.c
index 9b991dedc..ac42ef5cc 100644
--- a/lib/ctf-ir/field-path.c
+++ b/lib/ctf-ir/field-path.c
@@ -29,6 +29,7 @@
 #include <babeltrace/lib-logging-internal.h>
 
 #include <babeltrace/ctf-ir/field-types.h>
+#include <babeltrace/ctf-ir/field-types-internal.h>
 #include <babeltrace/ctf-ir/field-path-internal.h>
 #include <babeltrace/ctf-ir/field-path.h>
 #include <limits.h>
@@ -169,3 +170,29 @@ int bt_ctf_field_path_get_index(const struct bt_ctf_field_path *field_path,
 end:
 	return ret;
 }
+
+BT_HIDDEN
+GString *bt_ctf_field_path_string(struct bt_ctf_field_path *path)
+{
+	GString *str = g_string_new(NULL);
+	size_t i;
+
+	assert(path);
+
+	if (!str) {
+		goto end;
+	}
+
+	g_string_append_printf(str, "[%s", bt_ctf_scope_string(path->root));
+
+	for (i = 0; i < path->indexes->len; i++) {
+		int index = g_array_index(path->indexes, int, i);
+
+		g_string_append_printf(str, ", %d", index);
+	}
+
+	g_string_append(str, "]");
+
+end:
+	return str;
+}
-- 
2.34.1