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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>sd-reader: FAT16 directory functions</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.4.6 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li><a href="files.html"><span>Files</span></a></li> </ul></div><h1>FAT16 directory functions<br><small>[<a class="el" href="group__fat16.html">FAT16 support</a>]</small></h1><hr><a name="_details"></a><h2>Detailed Description</h2>Functions for managing directories. <p><p><table border="0" cellpadding="0" cellspacing="0"><tr><td></td></tr><tr><td colspan="2"><br><h2>Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">fat16_dir_struct * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__dir.html#g9704120fef030632a76d91cfbbef78b0">fat16_open_dir</a> (struct fat16_fs_struct *fs, const struct <a class="el" href="structfat16__dir__entry__struct.html">fat16_dir_entry_struct</a> *dir_entry)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Opens a directory. <a href="#g9704120fef030632a76d91cfbbef78b0"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__dir.html#g95f491a5a0b6438781aefaedc250e926">fat16_close_dir</a> (struct fat16_dir_struct *dd)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Closes a directory descriptor. <a href="#g95f491a5a0b6438781aefaedc250e926"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__dir.html#g73c8f0598e8224736b09644c48cf2970">fat16_read_dir</a> (struct fat16_dir_struct *dd, struct <a class="el" href="structfat16__dir__entry__struct.html">fat16_dir_entry_struct</a> *dir_entry)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Reads the next directory entry contained within a parent directory. <a href="#g73c8f0598e8224736b09644c48cf2970"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__dir.html#gaed63addc9b9a3d5137f3b552abb42d8">fat16_reset_dir</a> (struct fat16_dir_struct *dd)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Resets a directory handle. <a href="#gaed63addc9b9a3d5137f3b552abb42d8"></a><br></td></tr></table><hr><h2>Function Documentation</h2><a class="anchor" name="g95f491a5a0b6438781aefaedc250e926"></a><!-- doxytag: member="fat16.c::fat16_close_dir" ref="g95f491a5a0b6438781aefaedc250e926" args="(struct fat16_dir_struct *dd)" --><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">void fat16_close_dir </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">struct fat16_dir_struct * </td> <td class="mdname1" valign="top" nowrap> <em>dd</em> </td> <td class="md" valign="top"> ) </td> <td class="md" nowrap></td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Closes a directory descriptor. <p>This function destroys a directory descriptor which was previously obtained by calling <a class="el" href="group__fat16__dir.html#g9704120fef030632a76d91cfbbef78b0">fat16_open_dir()</a>. When this function returns, the given descriptor will be invalid.<p><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>dd</em> </td><td>The directory descriptor to close. </td></tr> </table></dl><dl compact><dt><b>See also:</b></dt><dd><a class="el" href="group__fat16.html#g9704120fef030632a76d91cfbbef78b0">fat16_open_dir</a> </dd></dl> </td> </tr></table><a class="anchor" name="g9704120fef030632a76d91cfbbef78b0"></a><!-- doxytag: member="fat16.c::fat16_open_dir" ref="g9704120fef030632a76d91cfbbef78b0" args="(struct fat16_fs_struct *fs, const struct fat16_dir_entry_struct *dir_entry)" --><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">struct fat16_dir_struct* fat16_open_dir </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">struct fat16_fs_struct * </td> <td class="mdname" nowrap> <em>fs</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>const struct <a class="el" href="structfat16__dir__entry__struct.html">fat16_dir_entry_struct</a> * </td> <td class="mdname" nowrap> <em>dir_entry</em></td> </tr> <tr> <td class="md"></td> <td class="md">) </td> <td class="md" colspan="2"></td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Opens a directory. <p><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>fs</em> </td><td>The filesystem on which the directory to open resides. </td></tr> <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>dir_entry</em> </td><td>The directory entry which stands for the directory to open. </td></tr> </table></dl><dl compact><dt><b>Returns:</b></dt><dd>An opaque directory descriptor on success, 0 on failure. </dd></dl><dl compact><dt><b>See also:</b></dt><dd><a class="el" href="group__fat16.html#g95f491a5a0b6438781aefaedc250e926">fat16_close_dir</a> </dd></dl> </td> </tr></table><a class="anchor" name="g73c8f0598e8224736b09644c48cf2970"></a><!-- doxytag: member="fat16.c::fat16_read_dir" ref="g73c8f0598e8224736b09644c48cf2970" args="(struct fat16_dir_struct *dd, struct fat16_dir_entry_struct *dir_entry)" --><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">uint8_t fat16_read_dir </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">struct fat16_dir_struct * </td> <td class="mdname" nowrap> <em>dd</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>struct <a class="el" href="structfat16__dir__entry__struct.html">fat16_dir_entry_struct</a> * </td> <td class="mdname" nowrap> <em>dir_entry</em></td> </tr> <tr> <td class="md"></td> <td class="md">) </td> <td class="md" colspan="2"></td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Reads the next directory entry contained within a parent directory. <p><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>dd</em> </td><td>The descriptor of the parent directory from which to read the entry. </td></tr> <tr><td valign="top"><tt>[out]</tt> </td><td valign="top"><em>dir_entry</em> </td><td>Pointer to a buffer into which to write the directory entry information. </td></tr> </table></dl><dl compact><dt><b>Returns:</b></dt><dd>0 on failure, 1 on success. </dd></dl><dl compact><dt><b>See also:</b></dt><dd><a class="el" href="group__fat16.html#gaed63addc9b9a3d5137f3b552abb42d8">fat16_reset_dir</a> </dd></dl> </td> </tr></table><a class="anchor" name="gaed63addc9b9a3d5137f3b552abb42d8"></a><!-- doxytag: member="fat16.c::fat16_reset_dir" ref="gaed63addc9b9a3d5137f3b552abb42d8" args="(struct fat16_dir_struct *dd)" --><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">uint8_t fat16_reset_dir </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">struct fat16_dir_struct * </td> <td class="mdname1" valign="top" nowrap> <em>dd</em> </td> <td class="md" valign="top"> ) </td> <td class="md" nowrap></td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Resets a directory handle. <p>Resets the directory handle such that reading restarts with the first directory entry.<p><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>dd</em> </td><td>The directory handle to reset. </td></tr> </table></dl><dl compact><dt><b>Returns:</b></dt><dd>0 on failure, 1 on success. </dd></dl><dl compact><dt><b>See also:</b></dt><dd><a class="el" href="group__fat16.html#g73c8f0598e8224736b09644c48cf2970">fat16_read_dir</a> </dd></dl> </td> </tr></table><hr size="1"><address style="align: right;"><small>Generated on Thu Mar 16 13:43:58 2006 for sd-reader by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.6 </small></address></body></html>⌨️ 快捷键说明
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