1 | /*
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2 | * Public include file for the UUID library
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3 | *
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4 | * Copyright (C) 1996, 1997, 1998 Theodore Ts'o.
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5 | *
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6 | * %Begin-Header%
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7 | * Redistribution and use in source and binary forms, with or without
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8 | * modification, are permitted provided that the following conditions
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9 | * are met:
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10 | * 1. Redistributions of source code must retain the above copyright
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11 | * notice, and the entire permission notice in its entirety,
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12 | * including the disclaimer of warranties.
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13 | * 2. Redistributions in binary form must reproduce the above copyright
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14 | * notice, this list of conditions and the following disclaimer in the
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15 | * documentation and/or other materials provided with the distribution.
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16 | * 3. The name of the author may not be used to endorse or promote
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17 | * products derived from this software without specific prior
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18 | * written permission.
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19 | *
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20 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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21 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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22 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
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23 | * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
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24 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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26 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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27 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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28 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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30 | * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
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31 | * DAMAGE.
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32 | * %End-Header%
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33 | */
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34 |
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35 | #ifndef _UUID_UUID_H
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36 | #define _UUID_UUID_H
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37 |
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38 | #include <sys/types.h>
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39 | #include <time.h>
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40 |
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41 | typedef unsigned char uuid_t[16];
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42 |
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43 | /* UUID Variant definitions */
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44 | #define UUID_VARIANT_NCS 0
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45 | #define UUID_VARIANT_DCE 1
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46 | #define UUID_VARIANT_MICROSOFT 2
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47 | #define UUID_VARIANT_OTHER 3
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48 |
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49 | /* UUID Type definitions */
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50 | #define UUID_TYPE_DCE_TIME 1
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51 | #define UUID_TYPE_DCE_RANDOM 4
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52 |
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53 | /* Allow UUID constants to be defined */
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54 | #ifdef __GNUC__
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55 | #define UUID_DEFINE(name,u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15) \
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56 | static const uuid_t name ATTRIBUTE_UNUSED = {u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15}
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57 | #else
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58 | #define UUID_DEFINE(name,u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15) \
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59 | static const uuid_t name = {u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15}
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60 | #endif
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61 |
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62 | #ifdef __cplusplus
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63 | extern "C" {
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64 | #endif
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65 |
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66 | /* clear.c */
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67 | /*void uuid_clear(uuid_t uu);*/
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68 | #define uuid_clear(uu) memset(uu, 0, sizeof(uu))
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69 |
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70 | /* compare.c */
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71 | int uuid_compare(const uuid_t uu1, const uuid_t uu2);
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72 |
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73 | /* copy.c */
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74 | /*void uuid_copy(uuid_t dst, const uuid_t src);*/
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75 | #define uuid_copy(dst,src) memcpy(dst, src, sizeof(dst))
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76 |
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77 | /* gen_uuid.c */
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78 | void uuid_generate(uuid_t out);
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79 | void uuid_generate_random(uuid_t out);
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80 | void uuid_generate_time(uuid_t out);
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81 |
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82 | /* isnull.c */
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83 | /*int uuid_is_null(const uuid_t uu);*/
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84 | #define uuid_is_null(uu) (!memcmp(uu, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", sizeof(uu)))
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85 |
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86 | /* parse.c */
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87 | int uuid_parse(const char *in, uuid_t uu);
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88 |
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89 | /* unparse.c */
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90 | void uuid_unparse(const uuid_t uu, char *out);
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91 | void uuid_unparse_lower(const uuid_t uu, char *out);
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92 | void uuid_unparse_upper(const uuid_t uu, char *out);
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93 |
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94 | /* uuid_time.c */
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95 | time_t uuid_time(const uuid_t uu, struct timeval *ret_tv);
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96 | int uuid_type(const uuid_t uu);
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97 | int uuid_variant(const uuid_t uu);
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98 |
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99 | #ifdef __cplusplus
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100 | }
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101 | #endif
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102 |
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103 | #endif /* _UUID_UUID_H */
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