42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
/*
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* Copyright (C) 2014 Samsung Electronics
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* Przemyslaw Marczak <p.marczak@samsung.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __UUID_H__
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#define __UUID_H__
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/* This is structure is in big-endian */
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struct uuid {
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unsigned int time_low;
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unsigned short time_mid;
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unsigned short time_hi_and_version;
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unsigned char clock_seq_hi_and_reserved;
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unsigned char clock_seq_low;
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unsigned char node[6];
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} __packed;
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enum {
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UUID_STR_FORMAT_STD,
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UUID_STR_FORMAT_GUID
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};
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#define UUID_STR_LEN 36
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#define UUID_BIN_LEN sizeof(struct uuid)
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#define UUID_VERSION_MASK 0xf000
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#define UUID_VERSION_SHIFT 12
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#define UUID_VERSION 0x4
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#define UUID_VARIANT_MASK 0xc0
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#define UUID_VARIANT_SHIFT 7
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#define UUID_VARIANT 0x1
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int uuid_str_valid(const char *uuid);
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int uuid_str_to_bin(char *uuid_str, unsigned char *uuid_bin, int str_format);
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void uuid_bin_to_str(unsigned char *uuid_bin, char *uuid_str, int str_format);
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void gen_rand_uuid(unsigned char *uuid_bin);
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void gen_rand_uuid_str(char *uuid_str, int str_format);
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#endif
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