X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=include%2Fmfile.h;h=31c79051109f6096e2825a761a8aadc68ed0626a;hb=79176bd8a477e1c64ac3ec03b50405ed5ed85a3f;hp=a2822bc65ad57099eea42baa036bfd01626da2f6;hpb=ec77ed2ec65bab40d8601b955d7f44b2ce6acc34;p=idzebra-moved-to-github.git diff --git a/include/mfile.h b/include/mfile.h index a2822bc..31c7905 100644 --- a/include/mfile.h +++ b/include/mfile.h @@ -1,35 +1,59 @@ -/* - * Copyright (C) 1994, Index Data I/S - * All rights reserved. - * Sebastian Hammer, Adam Dickmeiss - * - * $Log: mfile.h,v $ - * Revision 1.2 1994-09-14 13:10:36 quinn - * Small changes - * - * Revision 1.1 1994/08/23 14:41:46 quinn - * First functional version of mfile. - * - */ +/* $Id: mfile.h,v 1.18 2002-08-02 19:26:55 adam Exp $ + Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002 + 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 MFILE_H #define MFILE_H #include +#include -#include +#ifdef WIN32 +typedef long off_t; +#else +#include +#endif + +#ifndef FILENAME_MAX +#include +#define FILENAME_MAX MAXPATHLEN +#endif + +#include + +YAZ_BEGIN_CDECL #define MF_MIN_BLOCKS_CREAT 1 /* minimum free blocks in new dir */ -#define MF_DEFAULT_AREA "register" /* Use if no mf_init */ #define MF_MAX_PARTS 28 /* max # of part-files per metafile */ #define mf_blocksize(mf) ((mf)->blocksize) + typedef struct mf_dir { char name[FILENAME_MAX+1]; - int max_bytes; /* allocated bytes in this dir. */ - int avail_bytes; /* bytes left */ + off_t max_bytes; /* allocated bytes in this dir. */ + off_t avail_bytes; /* bytes left */ struct mf_dir *next; } mf_dir; @@ -38,7 +62,7 @@ typedef struct part_file int number; int top; int blocks; - int bytes; + off_t bytes; mf_dir *dir; char *path; int fd; @@ -54,10 +78,11 @@ typedef struct meta_file int no_files; int cur_file; int open; /* is this file open? */ - int blocksize; - int min_bytes_creat; /* minimum bytes required to enter directory */ + off_t blocksize; + off_t min_bytes_creat; /* minimum bytes required to enter directory */ MFile_area ma; int wr; + Zebra_mutex mutex; struct meta_file *next; } *MFile, meta_file; @@ -68,17 +93,18 @@ typedef struct MFile_area_struct mf_dir *dirs; struct meta_file *mfiles; struct MFile_area_struct *next; /* global list of active areas */ + Zebra_mutex mutex; } MFile_area_struct; /* * Open an area, cotaining metafiles in directories. */ -MFile_area mf_init(const char *name); +MFile_area mf_init(const char *name, const char *spec, const char *base); /* * Release an area. */ -int mf_dispose(MFile_area ma); +void mf_destroy(MFile_area ma); /* * Open a metafile. @@ -93,21 +119,29 @@ int mf_close(MFile mf); /* * Read one block from a metafile. Interface mirrors bfile. */ -int mf_read(MFile mf, int no, int offset, int num, void *buf); +int mf_read(MFile mf, int no, int offset, int nbytes, void *buf); /* * Same. */ -int mf_write(MFile mf, int no, int offset, int num, const void *buf); +int mf_write(MFile mf, int no, int offset, int nbytes, const void *buf); /* * Destroy a metafile, unlinking component files. File must be open. */ int mf_unlink(MFile mf); + +/* + * Destroy all metafiles. No files may be opened. + */ +void mf_reset(MFile_area ma); + /* * Unlink the file by name, rather than MFile-handle. */ int mf_unlink_name(MFile_area, const char *name); +YAZ_END_CDECL + #endif