X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=include%2Fwimlib%2Fguid.h;fp=include%2Fwimlib%2Fguid.h;h=be9a10f7e1dd205a339fc876367c1e3fff2fd550;hp=0000000000000000000000000000000000000000;hb=3df2989aaef4c627f4fea630859ae9f72e9c307e;hpb=b2eba082865fb3bec25cdedaf617bc4d209407f8

diff --git a/include/wimlib/guid.h b/include/wimlib/guid.h
new file mode 100644
index 00000000..be9a10f7
--- /dev/null
+++ b/include/wimlib/guid.h
@@ -0,0 +1,40 @@
+/*
+ * guid.h
+ *
+ * Utility functions for handling 16-byte globally unique identifiers (GUIDs).
+ */
+
+#ifndef _WIMLIB_GUID_H
+#define _WIMLIB_GUID_H
+
+#include <string.h>
+
+#include "wimlib/util.h"
+
+#define GUID_SIZE    16
+
+static inline void
+copy_guid(u8 dest[GUID_SIZE], const u8 src[GUID_SIZE])
+{
+	memcpy(dest, src, GUID_SIZE);
+}
+
+static inline int
+cmp_guids(const u8 guid1[GUID_SIZE], const u8 guid2[GUID_SIZE])
+{
+	return memcmp(guid1, guid2, GUID_SIZE);
+}
+
+static inline bool
+guids_equal(const u8 guid1[GUID_SIZE], const u8 guid2[GUID_SIZE])
+{
+	return !cmp_guids(guid1, guid2);
+}
+
+static inline void
+generate_guid(u8 guid[GUID_SIZE])
+{
+	return randomize_byte_array(guid, GUID_SIZE);
+}
+
+#endif /* _WIMLIB_GUID_H */