/* * 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