From 45c85d401136cf621436617fde82a215b595e138 Mon Sep 17 00:00:00 2001
From: Simone Orru <simone.orru@secomind.com>
Date: Thu, 3 Oct 2024 15:22:47 +0200
Subject: [PATCH] Add copy function

Signed-off-by: Simone Orru <simone.orru@secomind.com>
---
 include/zephyr/sys/uuid.h | 11 +++++++++++
 lib/uuid/uuid.c           |  9 +++++++++
 2 files changed, 20 insertions(+)

diff --git a/include/zephyr/sys/uuid.h b/include/zephyr/sys/uuid.h
index 3a84703713409a..fbb657ebf179a2 100644
--- a/include/zephyr/sys/uuid.h
+++ b/include/zephyr/sys/uuid.h
@@ -75,6 +75,17 @@ int uuid_generate_v4(uuid_t out);
  */
 int uuid_generate_v5(const uuid_t namespace, const void *data, size_t data_size, uuid_t out);
 
+/**
+ * @brief Copy an UUID into another UUID.
+ *
+ * @param dst Destination for the copy.
+ * @param src Source for the copy.
+ *
+ * @retval 0 The UUID has been correctly copied in @p dst
+ * @retval -EINVAL @p dst or @p src are not acceptable
+ */
+int uuid_copy(uuid_t dst, const uuid_t src);
+
 /**
  * @brief Create a uuid_t from a binary (big-endian) formatted UUID.
  *
diff --git a/lib/uuid/uuid.c b/lib/uuid/uuid.c
index bd6ae57c3ad13f..26c2b966fc16de 100644
--- a/lib/uuid/uuid.c
+++ b/lib/uuid/uuid.c
@@ -136,6 +136,15 @@ int uuid_generate_v5(const uuid_t namespace, const void *data, size_t data_size,
 }
 #endif
 
+int uuid_copy(uuid_t dst, const uuid_t src)
+{
+	if ((dst == NULL) || (src == NULL)) {
+		return -EINVAL;
+	}
+	memcpy(dst, src, UUID_SIZE);
+	return 0;
+}
+
 int uuid_from_buffer(const uint8_t data[UUID_SIZE], uuid_t out)
 {
 	if ((data == NULL) || (out == NULL)) {