Implement Guid.NewGuid on Unix (#3531)

1 files changed, 20 insertions, 0 deletions

diff --git a/src/Native/Common/pal_endian.h b/src/Native/Common/pal_endian.h
new file mode 100644
index 000000000..69315acc6
--- /dev/null
+++ b/src/Native/Common/pal_endian.h
@@ -0,0 +1,20 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+#pragma once
+
+#include <inttypes.h>
+
+inline uint16_t SWAP16(uint16_t x)
+{
+    return (x >> 8) | (x << 8);
+}
+
+inline uint32_t SWAP32(uint32_t x)
+{
+    return  (x >> 24) |
+            ((x >> 8) & 0x0000FF00L) |
+            ((x & 0x0000FF00L) << 8) |
+            (x << 24);
+}