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<h1>vfs.h</h1><div class="fragment"><pre>00001 <span class="comment">/**************************************************************************************</span>
00002 <span class="comment"> Copyright (c) 2002 The UbixOS Project</span>
00003 <span class="comment"> All rights reserved.</span>
00004 <span class="comment"></span>
00005 <span class="comment">Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:</span>
00006 <span class="comment"></span>
00007 <span class="comment">Redistributions of source code must retain the above copyright notice, this list of conditions, the following disclaimer and the list of authors.</span>
00008 <span class="comment">Redistributions in binary form must reproduce the above copyright notice, this list of conditions, the following disclaimer and the list of authors</span>
00009 <span class="comment">in the documentation and/or other materials provided with the distribution. Neither the name of the UbixOS Project nor the names of its</span>
00010 <span class="comment">contributors may be used to endorse or promote products derived from this software without specific prior written permission.</span>
00011 <span class="comment"></span>
00012 <span class="comment">THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED</span>
00013 <span class="comment">WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR</span>
00014 <span class="comment">PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,</span>
00015 <span class="comment">INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE</span>
00016 <span class="comment">GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY</span>
00017 <span class="comment">OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY</span>
00018 <span class="comment">OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
00019 <span class="comment"></span>
00020 <span class="comment"> $Id$</span>
00021 <span class="comment"></span>
00022 <span class="comment">**************************************************************************************/</span>
00023
00024 <span class="preprocessor">#ifndef _VFS_H</span>
00025 <span class="preprocessor"></span><span class="preprocessor">#define _VFS_H</span>
00026 <span class="preprocessor"></span>
00027 <span class="preprocessor">#include <ubixos/types.h></span>
00028
00029 <span class="preprocessor">#define maxFd 32</span>
00030 <span class="preprocessor"></span><span class="preprocessor">#define fdAvail 1</span>
00031 <span class="preprocessor"></span><span class="preprocessor">#define fdOpen 2</span>
00032 <span class="preprocessor"></span><span class="preprocessor">#define fdRead 3</span>
00033 <span class="preprocessor"></span><span class="preprocessor">#define fdEof 4</span>
00034 <span class="preprocessor"></span>
00035
00036 <span class="preprocessor">#define fileRead 0x0001</span>
00037 <span class="preprocessor"></span><span class="preprocessor">#define fileWrite 0x0002</span>
00038 <span class="preprocessor"></span><span class="preprocessor">#define fileBinary 0x0004</span>
00039 <span class="preprocessor"></span><span class="preprocessor">#define fileAppend 0x0008</span>
00040 <span class="preprocessor"></span>
00041 <span class="keyword">typedef</span> <span class="keyword">struct </span>fileDescriptorStruct {
00042 <span class="keyword">struct </span>fileDescriptorStruct *prev;
00043 <span class="keyword">struct </span>fileDescriptorStruct *next;
00044 <span class="keyword">struct </span>mountPoints *mp;
00045 uInt16 status;
00046 uInt16 mode;
00047 uInt32 offset;
00048 uInt32 size;
00049 uInt16 length;
00050 uInt32 start;
00051 uInt8 fileName[22];
00052 <span class="keywordtype">char</span> *buffer;
00053 uInt32 dirBlock;
00054 uInt32 perms;
00055 } fileDescriptor;
00056
00057 <span class="keyword">struct </span>fileSystem {
00058 <span class="keyword">struct </span>fileSystem *prev;
00059 <span class="keyword">struct </span>fileSystem *next;
00060 int (*vfsInitFS)(<span class="keywordtype">void</span> *);
00061 int (*vfsRead)(<span class="keywordtype">void</span> *,<span class="keywordtype">char</span> *,<span class="keywordtype">long</span>,<span class="keywordtype">long</span>);
00062 int (*vfsWrite)(<span class="keywordtype">void</span> *,<span class="keywordtype">char</span> *,<span class="keywordtype">long</span>,<span class="keywordtype">long</span>);
00063 int (*vfsOpenFile)(<span class="keywordtype">void</span> *,<span class="keywordtype">void</span> *);
00064 int (*vfsUnlink)(<span class="keywordtype">char</span> *,<span class="keywordtype">void</span> *);
00065 int (*vfsMakeDir)(<span class="keywordtype">char</span> *,<span class="keywordtype">void</span> *);
00066 int (*vfsRemDir)(<span class="keywordtype">char</span> *);
00067 int (*vfsSync)(<span class="keywordtype">void</span>);
00068 <span class="keywordtype">int</span> vfsType;
00069 };
00070
00071
00072 <span class="comment">/* VFS Functions */</span>
00073 <span class="keywordtype">int</span> vfsInit();
00074 <span class="keywordtype">int</span> vfsRegisterFS(<span class="keywordtype">int</span>,<span class="keywordtype">void</span> *,<span class="keywordtype">void</span> *,<span class="keywordtype">void</span> *,<span class="keywordtype">void</span> *,<span class="keywordtype">void</span> *,<span class="keywordtype">void</span> *,<span class="keywordtype">void</span> *,<span class="keywordtype">void</span> *);
00075 <span class="keyword">struct </span>fileSystem *vfsFindFS(<span class="keywordtype">int</span>);
00076
00077
00078
00079 <span class="comment">//File IO</span>
00080 fileDescriptor *fopen(<span class="keyword">const</span> <span class="keywordtype">char</span> *file,<span class="keyword">const</span> <span class="keywordtype">char</span> *flags);
00081
00082
00083 <span class="preprocessor">#endif</span>
00084 <span class="preprocessor"></span>
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