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<h1>ubixfs.h File Reference</h1><code>#include <<a class="el" href="types_8h-source.html">ubixos/types.h</a>></code><br>
<code>#include <<a class="el" href="device_8h-source.html">sys/device.h</a>></code><br>
<code>#include <<a class="el" href="file_8h-source.html">vfs/file.h</a>></code><br>
<p>
<a href="ubixfs_8h-source.html">Go to the source code of this file.</a><table border=0 cellpadding=0 cellspacing=0>
<tr><td></td></tr>
<tr><td colspan=2><br><h2>Data Structures</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>struct </td><td class="memItemRight" valign=bottom><a class="el" href="structblock_allocation_table_entry.html">blockAllocationTableEntry</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>struct </td><td class="memItemRight" valign=bottom><a class="el" href="structboot_sect.html">bootSect</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Bootsector structure. </em> <a href="structboot_sect.html#_details">More...</a><em><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>struct </td><td class="memItemRight" valign=bottom><a class="el" href="structdirectory_entry.html">directoryEntry</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">UbixFS Directory Entry. </em> <a href="structdirectory_entry.html#_details">More...</a><em><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>struct </td><td class="memItemRight" valign=bottom><a class="el" href="structpartition_information.html">partitionInformation</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>struct </td><td class="memItemRight" valign=bottom><a class="el" href="structubix_disk_label.html">ubixDiskLabel</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Partition Information. </em> <a href="structubix_disk_label.html#_details">More...</a><em><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>struct </td><td class="memItemRight" valign=bottom><a class="el" href="structubix_disk_label_1_1drive_partitions.html">ubixDiskLabel.drivePartitions</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>struct </td><td class="memItemRight" valign=bottom><a class="el" href="structubix_fs_info.html">ubixFsInfo</a></td></tr>
<tr><td colspan=2><br><h2>Defines</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="ubixfs_8h.html#a0">UBIXDISKMAGIC</a> ((<a class="el" href="types_8h.html#a3">uInt32</a>)0x45)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="ubixfs_8h.html#a1">MAXPARTITIONS</a> 4</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="ubixfs_8h.html#a2">blockSize</a> 8</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="ubixfs_8h.html#a3">blockByteSize</a> blockSize*512</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="ubixfs_8h.html#a4">EOBC</a> -1</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="ubixfs_8h.html#a5">typeFile</a> 1</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="ubixfs_8h.html#a6">typeContainer</a> 2</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="ubixfs_8h.html#a7">typeDirectory</a> 4</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="ubixfs_8h.html#a8">typeDeleted</a> 8</td></tr>
<tr><td colspan=2><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>int </td><td class="memItemRight" valign=bottom><a class="el" href="ubixfs_8h.html#a9">readFile</a> (char *file)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>int </td><td class="memItemRight" valign=bottom><a class="el" href="ubixfs_8h.html#a10">writeFileByte</a> (int ch, <a class="el" href="structfile_descriptor_struct.html">fileDescriptor</a> *fd, long offset)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>int </td><td class="memItemRight" valign=bottom><a class="el" href="ubixfs_8h.html#a11">openFileUbixFS</a> (char *file, <a class="el" href="structfile_descriptor_struct.html">fileDescriptor</a> *fd)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>int </td><td class="memItemRight" valign=bottom><a class="el" href="ubixfs_8h.html#a12">mkDirUbixFS</a> (char *dir, <a class="el" href="structfile_descriptor_struct.html">fileDescriptor</a> *fd)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>int </td><td class="memItemRight" valign=bottom><a class="el" href="ubixfs_8h.html#a13">getFreeBlocks</a> (int count, <a class="el" href="structfile_descriptor_struct.html">fileDescriptor</a> *fd)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>int </td><td class="memItemRight" valign=bottom><a class="el" href="ubixfs_8h.html#a14">enableUbixFS</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="ubixfs_8h.html#a15">initUbixFS</a> (struct <a class="el" href="structmount_points.html">mountPoints</a> *mp)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>int </td><td class="memItemRight" valign=bottom><a class="el" href="ubixfs_8h.html#a16">readUbixFS</a> (<a class="el" href="structfile_descriptor_struct.html">fileDescriptor</a> *fd, char *data, long offset, long size)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>int </td><td class="memItemRight" valign=bottom><a class="el" href="ubixfs_8h.html#a17">writeUbixFS</a> (<a class="el" href="structfile_descriptor_struct.html">fileDescriptor</a> *fd, char *data, long offset, long size)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="ubixfs_8h.html#a18">syncBat</a> (struct <a class="el" href="structmount_points.html">mountPoints</a> *mp)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>int </td><td class="memItemRight" valign=bottom><a class="el" href="ubixfs_8h.html#a19">freeBlocks</a> (int block, <a class="el" href="structfile_descriptor_struct.html">fileDescriptor</a> *fd)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>int </td><td class="memItemRight" valign=bottom><a class="el" href="ubixfs_8h.html#a20">addDirEntry</a> (struct <a class="el" href="structdirectory_entry.html">directoryEntry</a> *dir, <a class="el" href="structfile_descriptor_struct.html">fileDescriptor</a> *fd)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="ubixfs_8h.html#a21">ubixFSUnlink</a> (char *path, struct <a class="el" href="structmount_points.html">mountPoints</a> *mp)</td></tr>
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<hr><h2>Define Documentation</h2>
<a name="a3" doxytag="ubixfs.h::blockByteSize"></a><p>
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<td class="md" nowrap valign="top"> #define blockByteSize blockSize*512
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<a name="a2" doxytag="ubixfs.h::blockSize"></a><p>
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<td class="md" nowrap valign="top"> #define blockSize 8
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<a name="a4" doxytag="ubixfs.h::EOBC"></a><p>
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<td class="md" nowrap valign="top"> #define EOBC -1
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<a name="a1" doxytag="ubixfs.h::MAXPARTITIONS"></a><p>
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<td class="md" nowrap valign="top"> #define MAXPARTITIONS 4
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<a name="a6" doxytag="ubixfs.h::typeContainer"></a><p>
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<a name="a8" doxytag="ubixfs.h::typeDeleted"></a><p>
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<td class="md" nowrap valign="top"> #define typeDeleted 8
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<a name="a7" doxytag="ubixfs.h::typeDirectory"></a><p>
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<td class="md" nowrap valign="top"> #define typeDirectory 4
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<a name="a5" doxytag="ubixfs.h::typeFile"></a><p>
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<td class="md" nowrap valign="top"> #define typeFile 1
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<a name="a0" doxytag="ubixfs.h::UBIXDISKMAGIC"></a><p>
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<td class="md" nowrap valign="top"> #define UBIXDISKMAGIC ((<a class="el" href="types_8h.html#a3">uInt32</a>)0x45)
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The disk magic number </td>
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<hr><h2>Function Documentation</h2>
<a name="a20" doxytag="ubixfs.h::addDirEntry"></a><p>
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<td class="md" nowrap valign="top"> int addDirEntry </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">struct <a class="el" href="structdirectory_entry.html">directoryEntry</a> * </td>
<td class="mdname" nowrap> <em>dir</em>, </td>
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<td class="md" nowrap><a class="el" href="structfile_descriptor_struct.html">fileDescriptor</a> * </td>
<td class="mdname" nowrap> <em>fd</em></td>
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<td class="md">) </td>
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<a name="a14" doxytag="ubixfs.h::enableUbixFS"></a><p>
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<td class="md" nowrap valign="top"> int enableUbixFS </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
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Registers UbixFS functions with the virtual file-system (using vfsRegisterFS). Returns 1 if a failure happened, and 0 if success. </td>
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<a name="a19" doxytag="ubixfs.h::freeBlocks"></a><p>
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<td class="md" nowrap valign="top"> int freeBlocks </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname" nowrap> <em>block</em>, </td>
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<td class="md" nowrap><a class="el" href="structfile_descriptor_struct.html">fileDescriptor</a> * </td>
<td class="mdname" nowrap> <em>fd</em></td>
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<td class="md">) </td>
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<a name="a13" doxytag="ubixfs.h::getFreeBlocks"></a><p>
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<td class="md" nowrap valign="top"> int getFreeBlocks </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname" nowrap> <em>count</em>, </td>
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<td class="md" nowrap><a class="el" href="structfile_descriptor_struct.html">fileDescriptor</a> * </td>
<td class="mdname" nowrap> <em>fd</em></td>
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<a name="a15" doxytag="ubixfs.h::initUbixFS"></a><p>
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<td class="md" nowrap valign="top"> void initUbixFS </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">struct <a class="el" href="structmount_points.html">mountPoints</a> * </td>
<td class="mdname1" valign="top" nowrap> <em>mp</em> </td>
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Sets up the Ubix filesystem with appropriate data. If the medium is a hard-drive (or any medium?), it looks in the partition table. </td>
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<a name="a12" doxytag="ubixfs.h::mkDirUbixFS"></a><p>
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<td class="md" nowrap valign="top"> int mkDirUbixFS </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">char * </td>
<td class="mdname" nowrap> <em>dir</em>, </td>
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<td class="md" nowrap><a class="el" href="structfile_descriptor_struct.html">fileDescriptor</a> * </td>
<td class="mdname" nowrap> <em>fd</em></td>
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Makes a directory with the name directory. Returns 0 </td>
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<a name="a11" doxytag="ubixfs.h::openFileUbixFS"></a><p>
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<td class="md" nowrap valign="top"> int openFileUbixFS </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">char * </td>
<td class="mdname" nowrap> <em>file</em>, </td>
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<td class="md" nowrap><a class="el" href="structfile_descriptor_struct.html">fileDescriptor</a> * </td>
<td class="mdname" nowrap> <em>fd</em></td>
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Depending on fd->mode, it fills fd with data about the file (start, size, permissions etc.), if the string file is matched with a filename in the current directory. Returns 1 on success, and 0 on failure. The fileDescriptor struct definition can be found in VFS </td>
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<a name="a9" doxytag="ubixfs.h::readFile"></a><p>
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<td class="md" nowrap valign="top"> int readFile </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">char * </td>
<td class="mdname1" valign="top" nowrap> <em>file</em> </td>
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<a name="a16" doxytag="ubixfs.h::readUbixFS"></a><p>
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<td class="md" nowrap valign="top"> int readUbixFS </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="structfile_descriptor_struct.html">fileDescriptor</a> * </td>
<td class="mdname" nowrap> <em>fd</em>, </td>
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<td class="md" nowrap>char * </td>
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<td class="md" nowrap>long </td>
<td class="mdname" nowrap> <em>offset</em>, </td>
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<td class="md" nowrap>long </td>
<td class="mdname" nowrap> <em>size</em></td>
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<td class="md">) </td>
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<p>
Reads part (or can be whole) of a file into the memory pointed to by data. Returns size if successful, and 0 on failure. </td>
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<a name="a18" doxytag="ubixfs.h::syncBat"></a><p>
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<td class="md" nowrap valign="top"> void syncBat </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">struct <a class="el" href="structmount_points.html">mountPoints</a> * </td>
<td class="mdname1" valign="top" nowrap> <em>mp</em> </td>
<td class="md" valign="top"> ) </td>
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</td>
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</td>
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<a name="a21" doxytag="ubixfs.h::ubixFSUnlink"></a><p>
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<td class="md" nowrap valign="top"> void ubixFSUnlink </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">char * </td>
<td class="mdname" nowrap> <em>path</em>, </td>
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<td></td>
<td></td>
<td class="md" nowrap>struct <a class="el" href="structmount_points.html">mountPoints</a> * </td>
<td class="mdname" nowrap> <em>mp</em></td>
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<td></td>
<td class="md">) </td>
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<p>
Effectively erases the file or directory from the filesystem </td>
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<a name="a10" doxytag="ubixfs.h::writeFileByte"></a><p>
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<td class="md" nowrap valign="top"> int writeFileByte </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname" nowrap> <em>ch</em>, </td>
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<td></td>
<td></td>
<td class="md" nowrap><a class="el" href="structfile_descriptor_struct.html">fileDescriptor</a> * </td>
<td class="mdname" nowrap> <em>fd</em>, </td>
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<td></td>
<td class="md" nowrap>long </td>
<td class="mdname" nowrap> <em>offset</em></td>
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<td></td>
<td class="md">) </td>
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<a name="a17" doxytag="ubixfs.h::writeUbixFS"></a><p>
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<td class="md" nowrap valign="top"> int writeUbixFS </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="structfile_descriptor_struct.html">fileDescriptor</a> * </td>
<td class="mdname" nowrap> <em>fd</em>, </td>
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<td></td>
<td class="md" nowrap>char * </td>
<td class="mdname" nowrap> <em>data</em>, </td>
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<td></td>
<td class="md" nowrap>long </td>
<td class="mdname" nowrap> <em>offset</em>, </td>
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<td></td>
<td class="md" nowrap>long </td>
<td class="mdname" nowrap> <em>size</em></td>
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<td></td>
<td class="md">) </td>
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<p>
Writes part (or can be whole) of a file from the memory pointed to by data. Extends file if necessary. Returns size. </td>
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<hr size="1"><address style="align: right;"><small>Generated on Sat May 8 09:28:23 2004 for Ubixos by
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