X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=include%2Fmfile.h;h=7c0ab1fc72763b81ee62c54e0860fb9b972fcd25;hb=7c3a0352f0492609a3b6b26b63a72b0b2d207aab;hp=5d012640157f01d7f67e0ac845116d488d80bf5e;hpb=fd12cf9b8e16c109f3c0f7aedb0e0efd65209e16;p=idzebra-moved-to-github.git

diff --git a/include/mfile.h b/include/mfile.h
index 5d01264..7c0ab1f 100644
--- a/include/mfile.h
+++ b/include/mfile.h
@@ -1,74 +1,75 @@
-/*
- * Copyright (C) 1994-1997, Index Data I/S 
- * All rights reserved.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Log: mfile.h,v $
- * Revision 1.9  1997-09-18 08:59:19  adam
- * Extra generic handle for the character mapping routines.
- *
- * Revision 1.8  1997/09/17 12:19:10  adam
- * Zebra version corresponds to YAZ version 1.4.
- * Changed Zebra server so that it doesn't depend on global common_resource.
- *
- * Revision 1.7  1997/09/05 15:30:01  adam
- * Changed prototype for chr_map_input - added const.
- * Added support for C++, headers uses extern "C" for public definitions.
- *
- * Revision 1.6  1996/10/29 13:46:10  adam
- * Removed obsolete headers alexpath, alexutil. Created zebrautl.h as
- * a replacement.
- *
- * Revision 1.5  1995/12/05 11:15:03  quinn
- * Fixed FILENAME_MAX for some Sun systems, hopefully.
- *
- * Revision 1.4  1995/11/30  08:33:30  adam
- * Started work on commit facility.
- *
- * Revision 1.3  1995/09/04  12:33:35  adam
- * Various cleanup. YAZ util used instead.
- *
- * 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 1.23 2004-08-25 09:23:35 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 MFILE_H
 #define MFILE_H
 
 #include <stdio.h>
+#include <yaz/yconfig.h>
+#include <idzebra/version.h>
+
+#ifdef WIN32
+
+/* 64-bit access .. */
+typedef __int64 mfile_off_t;
+#define mfile_seek _lseeki64
+
+#else
+#include <sys/types.h>
+typedef off_t mfile_off_t;
+#define mfile_seek lseek
+#endif
 
 #ifndef FILENAME_MAX
 #include <sys/param.h>
 #define FILENAME_MAX MAXPATHLEN
 #endif
 
-#ifdef __cplusplus
-extern "C" {
-#endif
+#include <zebra-lock.h>
+
+YAZ_BEGIN_CDECL
 
 #define MF_MIN_BLOCKS_CREAT 1          /* minimum free blocks in new dir */
 #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 */
+    mfile_off_t max_bytes;      /* allocated bytes in this dir. */
+    mfile_off_t avail_bytes;    /* bytes left */
     struct mf_dir *next;
 } mf_dir;
 
 typedef struct part_file
 {
-    int number;
-    int top;
-    int blocks;
-    int bytes;
+    zint number;
+    zint top;
+    zint blocks;
+    mfile_off_t bytes;
     mf_dir *dir;
     char *path;
     int fd;
@@ -84,10 +85,12 @@ typedef struct meta_file
     int no_files;
     int cur_file;
     int open;                          /* is this file open? */
+    int unlink_flag;
     int blocksize;
-    int min_bytes_creat;  /* minimum bytes required to enter directory */
+    mfile_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;
@@ -98,12 +101,13 @@ 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, const char *spec); 
+MFile_area mf_init(const char *name, const char *spec, const char *base); 
 
 /*
  * Release an area.
@@ -123,24 +127,29 @@ 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, zint 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, zint 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);
-#ifdef __cplusplus
-}
-#endif
+
+YAZ_END_CDECL
 
 #endif