<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.16"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>UbixOS: fs/ufs/ffs.c Source File</title> <link href="../../tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="../../jquery.js"></script> <script type="text/javascript" src="../../dynsections.js"></script> <link href="../../navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="../../resize.js"></script> <script type="text/javascript" src="../../navtreedata.js"></script> <script type="text/javascript" src="../../navtree.js"></script> <script type="text/javascript"> /* @license 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id="main-nav"></div> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> <div id="nav-sync" class="sync"></div> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(document).ready(function(){initNavTree('de/df2/ffs_8c_source.html','../../');}); /* @license-end */ </script> <div id="doc-content"> <div class="header"> <div class="headertitle"> <div class="title">ffs.c</div> </div> </div><!--header--> <div class="contents"> <a href="../../de/df2/ffs_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#include <<a class="code" href="../../db/da9/include_2vfs_2vfs_8h.html">vfs/vfs.h</a>></span></div> <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#include <<a class="code" href="../../df/d42/ufs_8h.html">ufs/ufs.h</a>></span></div> <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor">#include <<a class="code" href="../../d0/dda/ffs_8h.html">ufs/ffs.h</a>></span></div> <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include <<a class="code" href="../../da/d28/kprintf_8h.html">lib/kprintf.h</a>></span></div> <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include <<a class="code" href="../../d4/d03/kmalloc_8h.html">lib/kmalloc.h</a>></span></div> <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include <<a class="code" href="../../d3/d24/kpanic_8h.html">ubixos/kpanic.h</a>></span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <<a class="code" href="../../da/d66/string_8h.html">string.h</a>></span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include <<a class="code" href="../../d6/d6d/buf_8h.html">sys/buf.h</a>></span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  </div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  </div> <div class="line"><a name="l00011"></a><span class="lineno"><a class="line" href="../../de/df2/ffs_8c.html#ae0611a10bf50ddb7c1ab4ce652c09307"> 11</a></span> <span class="keywordtype">int</span> <a class="code" href="../../de/df2/ffs_8c.html#ae0611a10bf50ddb7c1ab4ce652c09307">ffs_read</a>(<a class="code" href="../../d0/d22/structfileDescriptor.html">fileDescriptor_t</a> *fd,<span class="keywordtype">char</span> *data,<a class="code" href="../../dd/d1e/objgfx30_8h.html#ada085051a6d9a8e00a2cb256d1af14ba">uInt32</a> offset,<span class="keywordtype">long</span> size) {</div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  <span class="keyword">struct </span><a class="code" href="../../de/d1a/structfs.html">fs</a> *<a class="code" href="../../de/d1a/structfs.html">fs</a>;</div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  <a class="code" href="../../de/d1a/structfs.html">fs</a> = (<span class="keyword">struct </span><a class="code" href="../../de/d1a/structfs.html">fs</a> *)fd-><a class="code" href="../../d0/d22/structfileDescriptor.html#ad411e9a6fd040afcee6986c027d5a999">dmadat</a>-><a class="code" href="../../d5/d8b/structdmadat.html#ab267db93faadfbb8c65f16ca4df76055">sbbuf</a>;</div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  if (offset < fd->size && offset >= <a class="code" href="../../de/d1a/structfs.html">fs</a>-><a class="code" href="../../de/d1a/structfs.html#a80705fcf0b5478639af84da1d4c24e72">fs_maxfilesize</a>) {</div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  <span class="comment">//return (EOVERFLOW);</span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <span class="keywordflow">return</span>(-1);</div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  }</div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  </div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <a class="code" href="../../da/d28/kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"Reading File w/ New Function [0x%X]\n"</span>,<a class="code" href="../../de/d1a/structfs.html">fs</a>-><a class="code" href="../../de/d1a/structfs.html#a80705fcf0b5478639af84da1d4c24e72">fs_maxfilesize</a>);</div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="keywordflow">return</span>(0x0);</div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  }</div> </div><!-- fragment --></div><!-- contents --> </div><!-- doc-content --> <div class="ttc" id="aobjgfx30_8h_html_ada085051a6d9a8e00a2cb256d1af14ba"><div class="ttname"><a href="../../dd/d1e/objgfx30_8h.html#ada085051a6d9a8e00a2cb256d1af14ba">uInt32</a></div><div class="ttdeci">unsigned long int uInt32</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d1e/objgfx30_8h_source.html#l00049">objgfx30.h:49</a></div></div> <div class="ttc" id="ainclude_2vfs_2vfs_8h_html"><div class="ttname"><a href="../../db/da9/include_2vfs_2vfs_8h.html">vfs.h</a></div></div> <div class="ttc" id="astructfileDescriptor_html_ad411e9a6fd040afcee6986c027d5a999"><div class="ttname"><a href="../../d0/d22/structfileDescriptor.html#ad411e9a6fd040afcee6986c027d5a999">fileDescriptor::dmadat</a></div><div class="ttdeci">struct dmadat * dmadat</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/db4/include_2vfs_2file_8h_source.html#l00077">file.h:77</a></div></div> <div class="ttc" id="astring_8h_html"><div class="ttname"><a href="../../da/d66/string_8h.html">string.h</a></div></div> <div class="ttc" id="astructdmadat_html_ab267db93faadfbb8c65f16ca4df76055"><div class="ttname"><a href="../../d5/d8b/structdmadat.html#ab267db93faadfbb8c65f16ca4df76055">dmadat::sbbuf</a></div><div class="ttdeci">char sbbuf[8192]</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/db4/include_2vfs_2file_8h_source.html#l00058">file.h:58</a></div></div> <div class="ttc" id="affs_8c_html_ae0611a10bf50ddb7c1ab4ce652c09307"><div class="ttname"><a href="../../de/df2/ffs_8c.html#ae0611a10bf50ddb7c1ab4ce652c09307">ffs_read</a></div><div class="ttdeci">int ffs_read(fileDescriptor_t *fd, char *data, uInt32 offset, long size)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df2/ffs_8c_source.html#l00011">ffs.c:11</a></div></div> <div class="ttc" id="astructfileDescriptor_html"><div class="ttname"><a href="../../d0/d22/structfileDescriptor.html">fileDescriptor</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/db4/include_2vfs_2file_8h_source.html#l00062">file.h:62</a></div></div> <div class="ttc" id="astructfs_html_a80705fcf0b5478639af84da1d4c24e72"><div class="ttname"><a href="../../de/d1a/structfs.html#a80705fcf0b5478639af84da1d4c24e72">fs::fs_maxfilesize</a></div><div class="ttdeci">u_int64_t fs_maxfilesize</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d5b/ufs_2ffs_2fs_8h_source.html#l00357">fs.h:357</a></div></div> <div class="ttc" id="astructfs_html"><div class="ttname"><a href="../../de/d1a/structfs.html">fs</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d5b/ufs_2ffs_2fs_8h_source.html#l00260">fs.h:260</a></div></div> <div class="ttc" id="akpanic_8h_html"><div class="ttname"><a href="../../d3/d24/kpanic_8h.html">kpanic.h</a></div></div> <div class="ttc" id="abuf_8h_html"><div class="ttname"><a href="../../d6/d6d/buf_8h.html">buf.h</a></div></div> <div class="ttc" id="akprintf_8h_html"><div class="ttname"><a href="../../da/d28/kprintf_8h.html">kprintf.h</a></div></div> <div class="ttc" id="aufs_8h_html"><div class="ttname"><a href="../../df/d42/ufs_8h.html">ufs.h</a></div></div> <div class="ttc" id="affs_8h_html"><div class="ttname"><a href="../../d0/dda/ffs_8h.html">ffs.h</a></div></div> <div class="ttc" id="akprintf_8h_html_a20b56810edb62a6fe59917015c30848f"><div class="ttname"><a href="../../da/d28/kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a></div><div class="ttdeci">int kprintf(const char *,...)</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d87/kprintf_8c_source.html#l00259">kprintf.c:259</a></div></div> <div class="ttc" id="akmalloc_8h_html"><div class="ttname"><a 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