FatFs R0.14a, released December 5, 2020
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@@ -34,7 +34,7 @@ FRESULT f_write (
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<dt>btw</dt>
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<dd>Specifies number of bytes to write in range of <tt>UINT</tt> type.</dd>
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<dt>bw</dt>
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<dd>Pointer to the <tt>UINT</tt> variable that receives the number of bytes written. This value is always valid after the function call regardless of the function return code.</dd>
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<dd>Pointer to the <tt>UINT</tt> variable that receives the number of bytes written. This value is always valid after the function call regardless of the function return code. If the return value is equal to <tt class="arg">btw</tt>, the function return code should be <tt>FR_OK</tt>.</dd>
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</dl>
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</div>
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@@ -54,7 +54,7 @@ FRESULT f_write (
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<div class="para desc">
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<h4>Description</h4>
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<p>The function starts to write data to the file at the position pointed by the read/write pointer. The read/write pointer advances as number of bytes written. After the function succeeded, <tt class="arg">*bw</tt> should be checked to detect the disk full. In case of <tt class="arg">*bw</tt> < <tt class="arg">btw</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>
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<p>The function starts to write data to the file at the file offset pointed by read/write pointer. The read/write pointer advances as number of bytes written. After the function succeeded, <tt class="arg">*bw</tt> should be checked to detect the disk full. In case of <tt class="arg">*bw</tt> < <tt class="arg">btw</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>
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</div>
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@@ -64,6 +64,12 @@ FRESULT f_write (
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</div>
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<div class="para use">
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<h4>Example</h4>
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<p>Refer to the example in <tt>f_open</tt>.</p>
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</div>
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<div class="para ref">
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<h4>See Also</h4>
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<p><tt><a href="open.html">f_open</a>, <a href="read.html">f_read</a>, <a href="putc.html">fputc</a>, <a href="puts.html">fputs</a>, <a href="printf.html">fprintf</a>, <a href="close.html">f_close</a>, <a href="sfile.html">FIL</a></tt></p>
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