ndbm.h 2.8 KB

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  1. /*-
  2. * Copyright (c) 1990, 1993
  3. * The Regents of the University of California. All rights reserved.
  4. *
  5. * This code is derived from software contributed to Berkeley by
  6. * Margo Seltzer.
  7. *
  8. * Redistribution and use in source and binary forms, with or without
  9. * modification, are permitted provided that the following conditions
  10. * are met:
  11. * 1. Redistributions of source code must retain the above copyright
  12. * notice, this list of conditions and the following disclaimer.
  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. All advertising materials mentioning features or use of this software
  17. * must display the following acknowledgement:
  18. * This product includes software developed by the University of
  19. * California, Berkeley and its contributors.
  20. * 4. Neither the name of the University nor the names of its contributors
  21. * may be used to endorse or promote products derived from this software
  22. * without specific prior written permission.
  23. *
  24. * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27. * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34. * SUCH DAMAGE.
  35. *
  36. * @(#)ndbm.h 8.1 (Berkeley) 6/2/93
  37. */
  38. #ifndef _NDBM_H
  39. #define _NDBM_H 1
  40. #include "db.h"
  41. /* Map dbm interface onto db(3). */
  42. #define DBM_RDONLY O_RDONLY
  43. /* Flags to dbm_store(). */
  44. #define DBM_INSERT 0
  45. #define DBM_REPLACE 1
  46. /*
  47. * The db(3) support for ndbm(3) always appends this suffix to the
  48. * file name to avoid overwriting the user's original database.
  49. */
  50. #define DBM_SUFFIX ".db"
  51. typedef struct {
  52. char *dptr;
  53. int dsize;
  54. } datum;
  55. typedef DB DBM;
  56. #define dbm_pagfno(a) DBM_PAGFNO_NOT_AVAILABLE
  57. __BEGIN_DECLS
  58. void dbm_close __P((DBM *));
  59. int dbm_delete __P((DBM *, datum));
  60. datum dbm_fetch __P((DBM *, datum));
  61. datum dbm_firstkey __P((DBM *));
  62. long dbm_forder __P((DBM *, datum));
  63. datum dbm_nextkey __P((DBM *));
  64. DBM *dbm_open __P((const char *, int, int));
  65. int dbm_store __P((DBM *, datum, datum, int));
  66. int dbm_dirfno __P((DBM *));
  67. int dbm_error __P((DBM *));
  68. int dbm_clearerr __P((DBM *));
  69. __END_DECLS
  70. #endif /* ndbm.h */