uuid.h 3.3 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104
  1. /*
  2. * Public include file for the UUID library
  3. *
  4. * Copyright (C) 1996, 1997, 1998 Theodore Ts'o.
  5. *
  6. * %Begin-Header%
  7. * Redistribution and use in source and binary forms, with or without
  8. * modification, are permitted provided that the following conditions
  9. * are met:
  10. * 1. Redistributions of source code must retain the above copyright
  11. * notice, and the entire permission notice in its entirety,
  12. * including the disclaimer of warranties.
  13. * 2. Redistributions in binary form must reproduce the above copyright
  14. * notice, this list of conditions and the following disclaimer in the
  15. * documentation and/or other materials provided with the distribution.
  16. * 3. The name of the author may not be used to endorse or promote
  17. * products derived from this software without specific prior
  18. * written permission.
  19. *
  20. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
  21. * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  22. * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
  23. * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
  24. * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  25. * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
  26. * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  27. * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  28. * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  30. * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
  31. * DAMAGE.
  32. * %End-Header%
  33. */
  34. #ifndef _UUID_UUID_H
  35. #define _UUID_UUID_H
  36. #include <sys/types.h>
  37. #ifndef _WIN32
  38. #include <sys/time.h>
  39. #endif
  40. #include <time.h>
  41. typedef unsigned char uuid_t[16];
  42. /* UUID Variant definitions */
  43. #define UUID_VARIANT_NCS 0
  44. #define UUID_VARIANT_DCE 1
  45. #define UUID_VARIANT_MICROSOFT 2
  46. #define UUID_VARIANT_OTHER 3
  47. /* UUID Type definitions */
  48. #define UUID_TYPE_DCE_TIME 1
  49. #define UUID_TYPE_DCE_RANDOM 4
  50. /* Allow UUID constants to be defined */
  51. #ifdef __GNUC__
  52. #define UUID_DEFINE(name,u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15) \
  53. static const uuid_t name __attribute__ ((unused)) = {u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15}
  54. #else
  55. #define UUID_DEFINE(name,u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15) \
  56. static const uuid_t name = {u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15}
  57. #endif
  58. #ifdef __cplusplus
  59. extern "C" {
  60. #endif
  61. /* clear.c */
  62. extern void uuid_clear(uuid_t uu);
  63. /* compare.c */
  64. extern int uuid_compare(const uuid_t uu1, const uuid_t uu2);
  65. /* copy.c */
  66. extern void uuid_copy(uuid_t dst, const uuid_t src);
  67. /* gen_uuid.c */
  68. extern void uuid_generate(uuid_t out);
  69. extern void uuid_generate_random(uuid_t out);
  70. extern void uuid_generate_time(uuid_t out);
  71. extern int uuid_generate_time_safe(uuid_t out);
  72. /* isnull.c */
  73. extern int uuid_is_null(const uuid_t uu);
  74. /* parse.c */
  75. extern int uuid_parse(const char *in, uuid_t uu);
  76. /* unparse.c */
  77. extern void uuid_unparse(const uuid_t uu, char *out);
  78. extern void uuid_unparse_lower(const uuid_t uu, char *out);
  79. extern void uuid_unparse_upper(const uuid_t uu, char *out);
  80. /* uuid_time.c */
  81. extern time_t uuid_time(const uuid_t uu, struct timeval *ret_tv);
  82. extern int uuid_type(const uuid_t uu);
  83. extern int uuid_variant(const uuid_t uu);
  84. #ifdef __cplusplus
  85. }
  86. #endif
  87. #endif /* _UUID_UUID_H */