<?xml version="1.0" encoding="ANSI_X3.4-1968" standalone="no"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://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/html; charset=ANSI_X3.4-1968" /><title>d_path</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="Linux Filesystems API" /><link rel="up" href="ch01s02.html" title="The Directory Cache" /><link rel="prev" href="re21.html" title="d_materialise_unique" /><link rel="next" href="re23.html" title="find_inode_number" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>d_path</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re21.html">Prev</a> </td><th width="60%" align="center">The Directory Cache</th><td width="20%" align="right"> <a accesskey="n" href="re23.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="d_path"><a id="API-d-path"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>d_path — return the path of a dentry </p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">char * <b class="fsfunc">d_path </b>(</code></td><td>const struct path * <var class="pdparam">path</var>, </td></tr><tr><td> </td><td>char * <var class="pdparam">buf</var>, </td></tr><tr><td> </td><td>int <var class="pdparam">buflen</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id3099585"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>path</code></em></span></dt><dd><p> path to report </p></dd><dt><span class="term"><em class="parameter"><code>buf</code></em></span></dt><dd><p> buffer to return value in </p></dd><dt><span class="term"><em class="parameter"><code>buflen</code></em></span></dt><dd><p> buffer length </p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id3099643"></a><h2>Description</h2><p> Convert a dentry into an ASCII path name. If the entry has been deleted the string <span class="quote">“<span class="quote"> (deleted)</span>”</span> is appended. Note that this is ambiguous. </p><p> Returns a pointer into the buffer or an error code if the path was too long. Note: Callers should use the returned pointer, not the passed in buffer, to use the name! The implementation often starts at an offset into the buffer, and may leave 0 bytes at the start. </p><p> <span class="quote">“<span class="quote">buflen</span>”</span> should be positive. </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re21.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch01s02.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re23.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>d_materialise_unique</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>find_inode_number</span></td></tr></table></div></body></html>