/* checksum-reps-table.h : internal interface to ops on `checksum-reps' table * * ==================================================================== * Copyright (c) 2007 CollabNet. All rights reserved. * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms * are also available at http://subversion.tigris.org/license-1.html. * If newer versions of this license are posted there, you may use a * newer version instead, at your option. * * This software consists of voluntary contributions made by many * individuals. For exact contribution history, see the revision * history and logs, available at http://subversion.tigris.org/. * ==================================================================== */ #ifndef SVN_LIBSVN_FS_CHECKSUM_REPS_TABLE_H #define SVN_LIBSVN_FS_CHECKSUM_REPS_TABLE_H #include "svn_fs.h" #include "svn_error.h" #include "svn_checksum.h" #include "../trail.h" #include "../fs.h" #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ /* Open a `checksum-reps' table in ENV. If CREATE is non-zero, create one if it doesn't exist. Set *CHECKSUM_REPS_P to the new table. Return a Berkeley DB error code. */ int svn_fs_bdb__open_checksum_reps_table(DB **checksum_reps_p, DB_ENV *env, svn_boolean_t create); /* Set *REP_KEY to the representation key stored as the value of key CHECKSUM in the `checksum-reps' table. Do this as part of TRAIL. Use POOL for allocations. If no such node revision ID is stored for CHECKSUM, return SVN_ERR_FS_NO_SUCH_CHECKSUM_REP. */ svn_error_t *svn_fs_bdb__get_checksum_rep(const char **rep_key, svn_fs_t *fs, svn_checksum_t *checksum, trail_t *trail, apr_pool_t *pool); /* Store in the `checksum-reps' table a mapping of CHECKSUM to representation key REP_KEY in FS. Do this as part of TRAIL. Use POOL for temporary allocations. WARNING: NEVER store a record that maps a checksum to a mutable representation. Ever. Under pain of dismemberment and death. */ svn_error_t *svn_fs_bdb__set_checksum_rep(svn_fs_t *fs, svn_checksum_t *checksum, const char *rep_key, trail_t *trail, apr_pool_t *pool); /* Delete from the `checksum-reps' table the mapping of CHECKSUM to a representation key in FS. Do this as part of TRAIL. Use POOL for temporary allocations. */ svn_error_t *svn_fs_bdb__delete_checksum_rep(svn_fs_t *fs, svn_checksum_t *checksum, trail_t *trail, apr_pool_t *pool); /* Reserve a unique reuse ID in the `checksum-reps' table in FS for a new instance of a re-used representation as part of TRAIL. Return the slot's id in *REUSE_ID_P, allocated in POOL. */ svn_error_t *svn_fs_bdb__reserve_rep_reuse_id(const char **reuse_id_p, svn_fs_t *fs, trail_t *trail, apr_pool_t *pool); #ifdef __cplusplus } #endif /* __cplusplus */ #endif /* SVN_LIBSVN_FS_CHECKSUM_REPS_TABLE_H */