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-rw-r--r--include/uuid.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/include/uuid.h b/include/uuid.h
new file mode 100644
index 0000000..93027c1
--- /dev/null
+++ b/include/uuid.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2014 Samsung Electronics
+ * Przemyslaw Marczak <p.marczak@samsung.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#ifndef __UUID_H__
+#define __UUID_H__
+
+/* This is structure is in big-endian */
+struct uuid {
+ unsigned int time_low;
+ unsigned short time_mid;
+ unsigned short time_hi_and_version;
+ unsigned char clock_seq_hi_and_reserved;
+ unsigned char clock_seq_low;
+ unsigned char node[6];
+} __packed;
+
+enum {
+ UUID_STR_FORMAT_STD,
+ UUID_STR_FORMAT_GUID
+};
+
+#define UUID_STR_LEN 36
+#define UUID_BIN_LEN sizeof(struct uuid)
+
+#define UUID_VERSION_MASK 0xf000
+#define UUID_VERSION_SHIFT 12
+#define UUID_VERSION 0x4
+
+#define UUID_VARIANT_MASK 0xc0
+#define UUID_VARIANT_SHIFT 7
+#define UUID_VARIANT 0x1
+
+int uuid_str_valid(const char *uuid);
+int uuid_str_to_bin(char *uuid_str, unsigned char *uuid_bin, int str_format);
+void uuid_bin_to_str(unsigned char *uuid_bin, char *uuid_str, int str_format);
+void gen_rand_uuid(unsigned char *uuid_bin);
+void gen_rand_uuid_str(char *uuid_str, int str_format);
+#endif