From ecad887c2e144bc9b21d25ff1e265c0abbbc2d03 Mon Sep 17 00:00:00 2001
From: Olivier Martin <olivier@labapart.com>
Date: Wed, 22 Feb 2017 12:02:47 +0100
Subject: [PATCH] gattlib: Introduced 'gattlib_uuid_cmp()'

---
 include/gattlib.h     |  1 +
 src/gattlib_connect.c | 26 ++++++++++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/include/gattlib.h b/include/gattlib.h
index 9e8f3f0..1aad1de 100644
--- a/include/gattlib.h
+++ b/include/gattlib.h
@@ -123,5 +123,6 @@ void gattlib_register_indication(gatt_connection_t* connection, gattlib_event_ha
 
 int gattlib_uuid_to_string(const uuid_t *uuid, char *str, size_t n);
 int gattlib_string_to_uuid(const char *str, size_t n, uuid_t *uuid);
+int gattlib_uuid_cmp(const uuid_t *uuid1, const uuid_t *uuid2);
 
 #endif
diff --git a/src/gattlib_connect.c b/src/gattlib_connect.c
index eb8be5a..6e7ef56 100644
--- a/src/gattlib_connect.c
+++ b/src/gattlib_connect.c
@@ -459,3 +459,29 @@ int gattlib_string_to_uuid(const char *str, size_t n, uuid_t *uuid) {
 
 	return ret;
 }
+
+int gattlib_uuid_cmp(const uuid_t *uuid1, const uuid_t *uuid2) {
+	if (uuid1->type != uuid2->type) {
+		return 1;
+	} else if (uuid1->type == SDP_UUID16) {
+		if (uuid1->value.uuid16 == uuid2->value.uuid16) {
+			return 0;
+		} else {
+			return 2;
+		}
+	} else if (uuid1->type == SDP_UUID32) {
+		if (uuid1->value.uuid32 == uuid2->value.uuid32) {
+			return 0;
+		} else {
+			return 2;
+		}
+	} else if (uuid1->type == SDP_UUID128) {
+		if (memcmp(&uuid1->value.uuid128, &uuid2->value.uuid128, sizeof(uuid1->value.uuid128)) == 0) {
+			return 0;
+		} else {
+			return 2;
+		}
+	} else {
+		return 3;
+	}
+}