From 7cf8258bc7c82e1ef4745549d5a729c88f931b62 Mon Sep 17 00:00:00 2001
From: Simon Marchi <simon.marchi@efficios.com>
Date: Thu, 8 Feb 2024 15:36:41 -0500
Subject: [PATCH] cpp-common/bt2c: add `format_as` function for
 `bt2::MessageType`

Add a `format_as` that lets {fmt} format variables of type
`bt2::MessageType` directly.  Re-use `bt_common_message_type_string` to
avoid duplicating that code.

Change-Id: I81152a152284b156535813fd8fa5d61a3dd7219f
Signed-off-by: Simon Marchi <simon.marchi@efficios.com>
---
 src/Makefile.am             |  1 +
 src/cpp-common/bt2c/fmt.hpp | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+)
 create mode 100644 src/cpp-common/bt2c/fmt.hpp

diff --git a/src/Makefile.am b/src/Makefile.am
index 30b27a40..4cdbdd1b 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -149,6 +149,7 @@ cpp_common_libcpp_common_la_SOURCES = \
 	cpp-common/bt2c/dummy.cpp \
 	cpp-common/bt2c/endian.hpp \
 	cpp-common/bt2c/exc.hpp \
+	cpp-common/bt2c/fmt.hpp \
 	cpp-common/bt2c/glib-up.hpp \
 	cpp-common/bt2c/libc-up.hpp \
 	cpp-common/bt2c/logging.hpp \
diff --git a/src/cpp-common/bt2c/fmt.hpp b/src/cpp-common/bt2c/fmt.hpp
new file mode 100644
index 00000000..8db4b1b6
--- /dev/null
+++ b/src/cpp-common/bt2c/fmt.hpp
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2024 EfficiOS, inc.
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include "common/common.h"
+#include "cpp-common/bt2/message.hpp"
+#include "cpp-common/vendor/fmt/format.h" /* IWYU pragma: keep */
+
+namespace bt2 {
+
+inline const char *format_as(const MessageType type)
+{
+    return bt_common_message_type_string(static_cast<bt_message_type>(type));
+}
+
+} /* namespace bt2 */
-- 
2.34.1