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<link title="Weak" rel="Chapter" href="Weak.html"><title>Unix.LargeFile</title>
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<h1>Module <a href="type_Unix.LargeFile.html">Unix.LargeFile</a></h1>
<pre><span id="MODULELargeFile"><span class="keyword">module</span> LargeFile</span>: <code class="code"><span class="keyword">sig</span></code> <a href="Unix.LargeFile.html">..</a> <code class="code"><span class="keyword">end</span></code></pre><div class="info module top">
<div class="info-desc">
<p>File operations on large files.
This sub-module provides 64-bit variants of the functions
<a href="Unix.html#VALlseek"><code class="code"><span class="constructor">Unix</span>.lseek</code></a> (for positioning a file descriptor),
<a href="Unix.html#VALtruncate"><code class="code"><span class="constructor">Unix</span>.truncate</code></a> and <a href="Unix.html#VALftruncate"><code class="code"><span class="constructor">Unix</span>.ftruncate</code></a> (for changing the size of a file),
and <a href="Unix.html#VALstat"><code class="code"><span class="constructor">Unix</span>.stat</code></a>, <a href="Unix.html#VALlstat"><code class="code"><span class="constructor">Unix</span>.lstat</code></a> and <a href="Unix.html#VALfstat"><code class="code"><span class="constructor">Unix</span>.fstat</code></a> (for obtaining
information on files). These alternate functions represent
positions and sizes by 64-bit integers (type <code class="code">int64</code>) instead of
regular integers (type <code class="code">int</code>), thus allowing operating on files
whose sizes are greater than <code class="code">max_int</code>.</p>
</div>
</div>
<hr width="100%">
<pre><span id="VALlseek"><span class="keyword">val</span> lseek</span> : <code class="type"><a href="Unix.html#TYPEfile_descr">Unix.file_descr</a> -> int64 -> <a href="Unix.html#TYPEseek_command">Unix.seek_command</a> -> int64</code></pre><div class="info ">
<div class="info-desc">
<p>See <a href="Unix.html#VALlseek"><code class="code"><span class="constructor">Unix</span>.lseek</code></a>.</p>
</div>
</div>
<pre><span id="VALtruncate"><span class="keyword">val</span> truncate</span> : <code class="type">string -> int64 -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>See <a href="Unix.html#VALtruncate"><code class="code"><span class="constructor">Unix</span>.truncate</code></a>.</p>
</div>
</div>
<pre><span id="VALftruncate"><span class="keyword">val</span> ftruncate</span> : <code class="type"><a href="Unix.html#TYPEfile_descr">Unix.file_descr</a> -> int64 -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>See <a href="Unix.html#VALftruncate"><code class="code"><span class="constructor">Unix</span>.ftruncate</code></a>.</p>
</div>
</div>
<pre><code><span id="TYPEstats"><span class="keyword">type</span> <code class="type"></code>stats</span> = {</code></pre><table class="typetable">
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTstats.st_dev">st_dev</span> : <code class="type">int</code>;</code></td>
<td class="typefieldcomment" align="left" valign="top" ><code>(*</code></td><td class="typefieldcomment" align="left" valign="top" ><div class="info ">
<div class="info-desc">
<p>Device number</p>
</div>
</div>
</td><td class="typefieldcomment" align="left" valign="bottom" ><code>*)</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTstats.st_ino">st_ino</span> : <code class="type">int</code>;</code></td>
<td class="typefieldcomment" align="left" valign="top" ><code>(*</code></td><td class="typefieldcomment" align="left" valign="top" ><div class="info ">
<div class="info-desc">
<p>Inode number</p>
</div>
</div>
</td><td class="typefieldcomment" align="left" valign="bottom" ><code>*)</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTstats.st_kind">st_kind</span> : <code class="type"><a href="Unix.html#TYPEfile_kind">Unix.file_kind</a></code>;</code></td>
<td class="typefieldcomment" align="left" valign="top" ><code>(*</code></td><td class="typefieldcomment" align="left" valign="top" ><div class="info ">
<div class="info-desc">
<p>Kind of the file</p>
</div>
</div>
</td><td class="typefieldcomment" align="left" valign="bottom" ><code>*)</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTstats.st_perm">st_perm</span> : <code class="type"><a href="Unix.html#TYPEfile_perm">Unix.file_perm</a></code>;</code></td>
<td class="typefieldcomment" align="left" valign="top" ><code>(*</code></td><td class="typefieldcomment" align="left" valign="top" ><div class="info ">
<div class="info-desc">
<p>Access rights</p>
</div>
</div>
</td><td class="typefieldcomment" align="left" valign="bottom" ><code>*)</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTstats.st_nlink">st_nlink</span> : <code class="type">int</code>;</code></td>
<td class="typefieldcomment" align="left" valign="top" ><code>(*</code></td><td class="typefieldcomment" align="left" valign="top" ><div class="info ">
<div class="info-desc">
<p>Number of links</p>
</div>
</div>
</td><td class="typefieldcomment" align="left" valign="bottom" ><code>*)</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTstats.st_uid">st_uid</span> : <code class="type">int</code>;</code></td>
<td class="typefieldcomment" align="left" valign="top" ><code>(*</code></td><td class="typefieldcomment" align="left" valign="top" ><div class="info ">
<div class="info-desc">
<p>User id of the owner</p>
</div>
</div>
</td><td class="typefieldcomment" align="left" valign="bottom" ><code>*)</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTstats.st_gid">st_gid</span> : <code class="type">int</code>;</code></td>
<td class="typefieldcomment" align="left" valign="top" ><code>(*</code></td><td class="typefieldcomment" align="left" valign="top" ><div class="info ">
<div class="info-desc">
<p>Group ID of the file's group</p>
</div>
</div>
</td><td class="typefieldcomment" align="left" valign="bottom" ><code>*)</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTstats.st_rdev">st_rdev</span> : <code class="type">int</code>;</code></td>
<td class="typefieldcomment" align="left" valign="top" ><code>(*</code></td><td class="typefieldcomment" align="left" valign="top" ><div class="info ">
<div class="info-desc">
<p>Device ID (if special file)</p>
</div>
</div>
</td><td class="typefieldcomment" align="left" valign="bottom" ><code>*)</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTstats.st_size">st_size</span> : <code class="type">int64</code>;</code></td>
<td class="typefieldcomment" align="left" valign="top" ><code>(*</code></td><td class="typefieldcomment" align="left" valign="top" ><div class="info ">
<div class="info-desc">
<p>Size in bytes</p>
</div>
</div>
</td><td class="typefieldcomment" align="left" valign="bottom" ><code>*)</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTstats.st_atime">st_atime</span> : <code class="type">float</code>;</code></td>
<td class="typefieldcomment" align="left" valign="top" ><code>(*</code></td><td class="typefieldcomment" align="left" valign="top" ><div class="info ">
<div class="info-desc">
<p>Last access time</p>
</div>
</div>
</td><td class="typefieldcomment" align="left" valign="bottom" ><code>*)</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTstats.st_mtime">st_mtime</span> : <code class="type">float</code>;</code></td>
<td class="typefieldcomment" align="left" valign="top" ><code>(*</code></td><td class="typefieldcomment" align="left" valign="top" ><div class="info ">
<div class="info-desc">
<p>Last modification time</p>
</div>
</div>
</td><td class="typefieldcomment" align="left" valign="bottom" ><code>*)</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTstats.st_ctime">st_ctime</span> : <code class="type">float</code>;</code></td>
<td class="typefieldcomment" align="left" valign="top" ><code>(*</code></td><td class="typefieldcomment" align="left" valign="top" ><div class="info ">
<div class="info-desc">
<p>Last status change time</p>
</div>
</div>
</td><td class="typefieldcomment" align="left" valign="bottom" ><code>*)</code></td>
</tr></table>
<code>}</code>
<pre><span id="VALstat"><span class="keyword">val</span> stat</span> : <code class="type">string -> <a href="Unix.LargeFile.html#TYPEstats">stats</a></code></pre>
<pre><span id="VALlstat"><span class="keyword">val</span> lstat</span> : <code class="type">string -> <a href="Unix.LargeFile.html#TYPEstats">stats</a></code></pre>
<pre><span id="VALfstat"><span class="keyword">val</span> fstat</span> : <code class="type"><a href="Unix.html#TYPEfile_descr">Unix.file_descr</a> -> <a href="Unix.LargeFile.html#TYPEstats">stats</a></code></pre></body></html>
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