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diff --git a/3rdparty/fatfs-0.13/documents/doc/findfirst.html b/3rdparty/fatfs-0.13/documents/doc/findfirst.html new file mode 100644 index 00000000..1cd2e1e4 --- /dev/null +++ b/3rdparty/fatfs-0.13/documents/doc/findfirst.html @@ -0,0 +1,111 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> +<html lang="en"> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> +<meta http-equiv="Content-Style-Type" content="text/css"> +<link rel="up" title="FatFs" href="../00index_e.html"> +<link rel="alternate" hreflang="ja" title="Japanese" href="../ja/findfirst.html"> +<link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default"> +<title>FatFs - f_findfirst</title> +</head> + +<body> + +<div class="para func"> +<h2>f_findfirst</h2> +<p>The f_findfirst function searches a directroy for an item.</p> +<pre> +FRESULT f_findfirst ( + DIR* <span class="arg">dp</span>, <span class="c">/* [OUT] Poninter to the directory object */</span> + FILINFO* <span class="arg">fno</span>, <span class="c">/* [OUT] Pointer to the file information structure */</span> + const TCHAR* <span class="arg">path</span>, <span class="c">/* [IN] Pointer to the directory name to be opened */</span> + const TCHAR* <span class="arg">pattern</span> <span class="c">/* [IN] Pointer to the matching pattern string */</span> +); +</pre> +</div> + +<div class="para arg"> +<h4>Parameters</h4> +<dl class="par"> +<dt>dp</dt> +<dd>Pointer to the blank directory object.</dd> +<dt>fno</dt> +<dd>Pointer to the file information structure to store the information about the found item.</dd> +<dt>path</dt> +<dd>Pointer to the null-terminated string that specifies the <a href="filename.html">directory name</a> to be opened.</dd> +<dt>pattern</dt> +<dd>Pointer to the nul-terminated string that specifies the name matching pattern to be searched for. It is referred by also subsequent <tt>f_findnext</tt> function, so that the string must be valid while the successive function calls.</dd> +</dl> +</div> + + +<div class="para ret"> +<h4>Return Values</h4> +<p> +<a href="rc.html#ok">FR_OK</a>, +<a href="rc.html#de">FR_DISK_ERR</a>, +<a href="rc.html#ie">FR_INT_ERR</a>, +<a href="rc.html#nr">FR_NOT_READY</a>, +<a href="rc.html#np">FR_NO_PATH</a>, +<a href="rc.html#in">FR_INVALID_NAME</a>, +<a href="rc.html#io">FR_INVALID_OBJECT</a>, +<a href="rc.html#id">FR_INVALID_DRIVE</a>, +<a href="rc.html#ne">FR_NOT_ENABLED</a>, +<a href="rc.html#ns">FR_NO_FILESYSTEM</a>, +<a href="rc.html#tm">FR_TIMEOUT</a>, +<a href="rc.html#nc">FR_NOT_ENOUGH_CORE</a>, +<a href="rc.html#tf">FR_TOO_MANY_OPEN_FILES</a> +</p> +</div> + + +<div class="para desc"> +<h4>Description</h4> +<p>After the directory specified by <tt class="arg">path</tt> could be opened, it starts to search the directory for items with the name specified by <tt class="arg">pattern</tt>. If the first item is found, the information about the object is stored into the file information structure. For more information about file information structure, refer to <a href="readdir.html"><tt>f_readdir</tt></a> function.</p> +<p>The matching pattern can contain wildcard characters (<tt>?</tt> and <tt>*</tt>). A <tt>?</tt> matches an any character and an <tt>*</tt> matches an any string in length of zero or longer. When support of long file name is enabled, only <tt>fname[]</tt> is tested at <tt>FF_USE_FIND == 1</tt> and also <tt>altname[]</tt> is tested at <tt>FF_USE_FIND == 2</tt>. In this revision, there are some differences listed below between FatFs and standard systems in matching condition.</p> +<ul> +<li><tt>"*.*"</tt> never matches any name without extension while it matches any name with or without extension at the standard systems.</li> +<li>Any pattern terminated with a period never matches any name while it matches any name without extensiton at the standard systems.</li> +<li><a href="filename.html#case">DBCS extended characters</a> are compared in case-sensitive at LFN with non-Unicode configuration.</li> +</ul> +</div> + + +<div class="para comp"> +<h4>QuickInfo</h4> +<p>This is a wrapper function of <a href="opendir.html"><tt>f_opendir</tt></a> and <a href="readdir.html"><tt>f_readdir</tt></a> function. Available when <tt>FF_USE_FIND >= 1</tt> and <tt>FF_FS_MINIMIZE <= 1</tt>.</p> +</div> + + +<div class="para use"> +<h4>Examples</h4> +<pre> +<span class="c">/* Search a directory for objects and display it */</span> + +void find_image_file (void) +{ + FRESULT fr; <span class="c">/* Return value */</span> + DIR dj; <span class="c">/* Directory search object */</span> + FILINFO fno; <span class="c">/* File information */</span> + + fr = <em>f_findfirst</em>(&dj, &fno, "", "dsc*.jpg"); <span class="c">/* Start to search for photo files */</span> + + while (fr == FR_OK && fno.fname[0]) { <span class="c">/* Repeat while an item is found */</span> + printf("%s\n", fno.fname); <span class="c">/* Display the object name */</span> + fr = f_findnext(&dj, &fno); <span class="c">/* Search for next item */</span> + } + + f_closedir(&dj); +} +</pre> +</div> + + +<div class="para ref"> +<h4>See Also</h4> +<p><tt><a href="findnext.html">f_findnext</a>, <a href="closedir.html">f_closedir</a>, <a href="sdir.html">DIR</a>, <a href="sfileinfo.html">FILINFO</a></tt></p> +</div> + +<p class="foot"><a href="../00index_e.html">Return</a></p> +</body> +</html> |