subversion/libsvn_fs_base/bdb/rev-table.h

   1 /* rev-table.h : internal interface to revision table operations
   2  *
   3  * ====================================================================
   4  * Copyright (c) 2000-2004 CollabNet.  All rights reserved.
   5  *
   6  * This software is licensed as described in the file COPYING, which
   7  * you should have received as part of this distribution.  The terms
   8  * are also available at http://subversion.tigris.org/license-1.html.
   9  * If newer versions of this license are posted there, you may use a
  10  * newer version instead, at your option.
  11  *
  12  * This software consists of voluntary contributions made by many
  13  * individuals.  For exact contribution history, see the revision
  14  * history and logs, available at http://subversion.tigris.org/.
  15  * ====================================================================
  16  */
  17
  18 #ifndef SVN_LIBSVN_FS_REV_TABLE_H
  19 #define SVN_LIBSVN_FS_REV_TABLE_H
  20
  21 #define APU_WANT_DB
  22 #include <apu_want.h>
  23
  24 #include "svn_fs.h"
  25
  26 #include "../fs.h"
  27 #include "../trail.h"
  28
  29 #ifdef __cplusplus
  30 extern "C" {
  31 #endif /* __cplusplus */
  32
  33 \f
  34 /* Creating and opening the `revisions' table.  */
  35
  36 /* Open a `revisions' table in ENV.  If CREATE is non-zero, create one
  37    if it doesn't exist.  Set *REVS_P to the new table.  Return a
  38    Berkeley DB error code.  */
  39 int svn_fs_bdb__open_revisions_table(DB **revisions_p,
  40                                      DB_ENV *env,
  41                                      svn_boolean_t create);
  42
  43
  44
  45 /* Storing and retrieving filesystem revisions.  */
  46
  47
  48 /* Set *REVISION_P to point to the revision structure for the
  49    filesystem revision REV in FS, as part of TRAIL.  Perform all
  50    allocations in POOL.  */
  51 svn_error_t *svn_fs_bdb__get_rev(revision_t **revision_p,
  52                                  svn_fs_t *fs,
  53                                  svn_revnum_t rev,
  54                                  trail_t *trail,
  55                                  apr_pool_t *pool);
  56
  57 /* Store REVISION in FS as revision *REV as part of TRAIL.  If *REV is
  58    an invalid revision number, create a brand new revision and return
  59    its revision number as *REV to the caller.  Do any necessary
  60    temporary allocation in POOL.  */
  61 svn_error_t *svn_fs_bdb__put_rev(svn_revnum_t *rev,
  62                                  svn_fs_t *fs,
  63                                  const revision_t *revision,
  64                                  trail_t *trail,
  65                                  apr_pool_t *pool);
  66
  67
  68 /* Set *YOUNGEST_P to the youngest revision in filesystem FS,
  69    as part of TRAIL.  Use POOL for all temporary allocation. */
  70 svn_error_t *svn_fs_bdb__youngest_rev(svn_revnum_t *youngest_p,
  71                                       svn_fs_t *fs,
  72                                       trail_t *trail,
  73                                       apr_pool_t *pool);
  74
  75
  76 #ifdef __cplusplus
  77 }
  78 #endif /* __cplusplus */
  79
  80 #endif /* SVN_LIBSVN_FS_REV_TABLE_H */