fatfs v0.08 May 15, 2010:

- Added a memory configuration option. (_USE_LFN)
- Added file lock feature. (_FS_SHARE)
- Added fast seek feature. (_USE_FASTSEEK)
- Changed some types on the API, XCHAR->TCHAR.
- Changed fname member in the FILINFO structure on Unicode cfg.
- String functions support UTF-8 encoding files on Unicode cfg.
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savelij13 committed 2025-09-11 09:40:03 +03:00
1 parent e6cd91ca0b
commit 46155916b1
92 files changed
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@@ -4,6 +4,7 @@
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<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/write.html">
<link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default">
<title>FatFs - f_write</title>
</head>
@@ -15,10 +16,10 @@
<p>The f_write writes data to a file.</p>
<pre>
FRESULT f_write (
FIL* <em>FileObject</em>, /* Pointer to the file object structure */
const void* <em>Buffer</em>, /* Pointer to the data to be written */
UINT <em>ByteToWrite</em>, /* Number of bytes to write */
UINT* <em>ByteWritten</em> /* Pointer to the variable to return number of bytes written */
FIL* <em>FileObject</em>, <span>/* Pointer to the file object structure */</span>
const void* <em>Buffer</em>, <span>/* Pointer to the data to be written */</span>
UINT <em>ByteToWrite</em>, <span>/* Number of bytes to write */</span>
UINT* <em>ByteWritten</em> <span>/* Pointer to the variable to return number of bytes written */</span>
);
</pre>
</div>
@@ -59,7 +60,7 @@ FRESULT f_write (
<div class="para">
<h4>Description</h4>
<p>The R/W pointer in the file object is increased in number of bytes written. After the function succeeded, <tt>*ByteWritten</tt> should be checked to detect the disk full. In case of <tt>*ByteWritten &lt; ByteToWrite</tt>, it means the volume got full during the write operation.</p>
<p>The read/write pointer in the file object is increased in number of bytes written. After the function succeeded, <tt>*ByteWritten</tt> should be checked to detect the disk full. In case of <tt>*ByteWritten &lt; ByteToWrite</tt>, it means the volume got full during the write operation. The function can take a time when the volume is full or close to full.</p>
</div>