X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=include%2Fbfile.h;h=d82d7a883e7c204e1562092e4da6c5eed51b65f0;hb=7c3a0352f0492609a3b6b26b63a72b0b2d207aab;hp=101a4ac592fc116bd19a922dd4ff3ccdb2248d57;hpb=4b748c85825d964add98d53b85b4f01292cef4b4;p=idzebra-moved-to-github.git diff --git a/include/bfile.h b/include/bfile.h index 101a4ac..d82d7a8 100644 --- a/include/bfile.h +++ b/include/bfile.h @@ -1,55 +1,43 @@ -/* - * Copyright (C) 1994-1995, Index Data I/S - * All rights reserved. - * Sebastian Hammer, Adam Dickmeiss - * - * $Log: bfile.h,v $ - * Revision 1.13 1996-10-29 13:43:07 adam - * Added a few comments. - * - * Revision 1.12 1996/03/26 16:00:44 adam - * The directory of the shadow table can be specified by the new - * bf_lockDir call. - * - * Revision 1.11 1995/12/08 16:20:39 adam - * New commit utilities - used for 'save' update. - * - * Revision 1.10 1995/12/01 16:24:33 adam - * Commit files use separate meta file area. - * - * Revision 1.9 1995/12/01 11:37:46 adam - * Cached/commit files implemented as meta-files. - * - * Revision 1.8 1995/11/30 08:33:29 adam - * Started work on commit facility. - * - * Revision 1.7 1995/09/04 12:33:35 adam - * Various cleanup. YAZ util used instead. - * - * Revision 1.6 1994/09/14 13:10:35 quinn - * Small changes - * - * Revision 1.5 1994/08/24 08:45:52 quinn - * Using mfile. - * - * Revision 1.4 1994/08/17 15:38:28 adam - * Include of util.h. - * - * Revision 1.3 1994/08/17 14:09:47 quinn - * Small changes - * - */ +/* $Id: bfile.h,v 1.22 2004-08-04 08:35:23 adam Exp $ + Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004 + Index Data Aps + +This file is part of the Zebra server. + +Zebra is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. + +Zebra is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with Zebra; see the file LICENSE.zebra. If not, write to the +Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA +02111-1307, USA. +*/ #ifndef BFILE_H #define BFILE_H #include +YAZ_BEGIN_CDECL + #define bf_blocksize(bf) mf_blocksize(bf->mf) +typedef struct BFiles_struct *BFiles; + +BFiles bfs_create (const char *spec, const char *base); +void bfs_destroy (BFiles bfiles); + typedef struct BFile_struct { MFile mf; + Zebra_lock_rdwr rdwr_lock; struct CFile_struct *cf; } *BFile, BFile_struct; @@ -62,35 +50,37 @@ int bf_close (BFile); opens bfile with name 'name' and with 'block_size' as block size. returns bfile handle is successful; NULL otherwise */ -BFile bf_open (const char *name, int block_size, int wflag); +BFile bf_open (BFiles bfs, const char *name, int block_size, int wflag); /* bf_read: reads bytes from bfile 'bf'. - reads 'num' bytes (or whole block if 0) from offset 'offset' from + reads 'nbytes' bytes (or whole block if 0) from offset 'offset' from block 'no'. stores contents in buffer 'buf'. returns 1 if whole block could be read; 0 otherwise. */ -int bf_read (BFile bf, int no, int offset, int num, void *buf); +int bf_read (BFile bf, zint no, int offset, int nbytes, void *buf); /* bf_write: writes bytes to bfile 'bf'. - writes 'num' bytes (or whole block if 0) at offset 'offset' to + writes 'nbytes' bytes (or whole block if 0) at offset 'offset' to block 'no'. retrieves contents from buffer 'buf'. returns 0 if successful; non-zero otherwise. */ -int bf_write (BFile bf, int no, int offset, int num, const void *buf); - -/* bf_cache: enables/disables bfile cache */ -void bf_cache (int enableFlag); +int bf_write (BFile bf, zint no, int offset, int nbytes, const void *buf); -/* bf_lockDir: specifies locking directory for the cache system */ -void bf_lockDir (const char *lockDir); +/* bf_cache: enables bfile cache if spec is not NULL */ +void bf_cache (BFiles bfs, const char *spec); /* bf_commitExists: returns 1 if commit is pending; 0 otherwise */ -int bf_commitExists (void); +int bf_commitExists (BFiles bfs); /* bf_commitExec: executes commit */ -void bf_commitExec (void); +void bf_commitExec (BFiles bfs); /* bf_commitClean: cleans commit files, etc */ -void bf_commitClean (void); +void bf_commitClean (BFiles bfs, const char *spec); + +/* bf_reset: delete register and shadow completely */ +void bf_reset (BFiles bfs); + +YAZ_END_CDECL #endif