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Aminet 49
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Aminet 49 (2002)(GTI - Schatztruhe)[!][Jun 2002].iso
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AmberRAM.lha
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handler.h
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2002-01-21
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/*
File: handler.h
Author: Neil Cafferkey
Copyright (C) 2001-2002 Neil Cafferkey
This program 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
of the License, or (at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA.
*/
#ifndef HANDLER_H
#define HANDLER_H
#include <dos/dos.h>
#include <dos/dosextens.h>
#include <dos/filehandler.h>
#include <dos/notify.h>
#include <exec/memory.h>
#include <utility/utility.h>
#include <proto/exec.h>
#include <proto/dos.h>
#include <proto/alib.h>
#include <proto/locale.h>
#include <proto/utility.h>
typedef ULONG UPINT;
typedef LONG PINT;
#ifndef MEM_BLOCKSHIFT
#define MEM_BLOCKSHIFT 3
#endif
#define MIN(A,B) (((A)<(B))?(A):(B))
#define MEMBLOCKS(A) (((A)-1>>(MEM_BLOCKSHIFT))+1);
#define HARDLINK(A) (struct Object *)(((BYTE *)(A))-(UPINT)&((struct Object *)NULL)->hard_link)
#define DOSBOOL(A) ((A)?DOSTRUE:DOSFALSE)
#define MIN_BLOCK_SIZE 64
#define MAX_BLOCK_SIZE 0x8000
#define DOS_VERSION 39
#define UTILITY_VERSION 37
#define LOCALE_VERSION 38
struct Block
{
struct MinNode node;
UWORD length; /* number of data bytes */
};
struct Lock
{
struct FileLock lock;
struct MinList openings;
UPINT lock_count;
BOOL changed;
};
struct Object
{
struct Node node;
UWORD end_length; /* number of valid bytes in last data block */
struct MinList elements;
UPINT length; /* logical length in bytes for a file */
UPINT block_count; /* number of memory blocks */
struct Lock *lock;
struct Object *parent;
struct DateStamp date;
ULONG protection;
STRPTR comment;
struct MinNode hard_link;
};
struct Opening
{
struct MinNode node;
struct Object *file;
UPINT pos;
struct Block *block;
UPINT block_pos;
};
struct Notification
{
struct MinNode node;
struct NotifyRequest *request;
struct Object *object;
};
struct Handler
{
struct Object *root_dir;
struct DosList *volume;
struct MsgPort *proc_port;
struct MsgPort *notify_port;
UPINT block_count;
UPINT lock_count;
struct Locale *locale;
ULONG min_block_size;
ULONG max_block_size;
BOOL locked;
struct MinList notifications;
};
/* Global variables */
GLOBAL struct ExecBase *SysBase;
GLOBAL struct DosLibrary *DOSBase;
GLOBAL struct UtilityBase *UtilityBase;
GLOBAL struct LocaleBase *LocaleBase;
#endif