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author | Leo C | 2018-05-27 21:26:38 +0200 |
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committer | Leo C | 2018-05-27 21:26:38 +0200 |
commit | 289f6a146c0b2087607d8d8659531ea90142779a (patch) | |
tree | 37b0e9e341a4112582ccda4b8e22d4b2c4a6ee21 /fatfs/doc/en/printf.html | |
parent | 70702af1370e44e32fb2c3c507e4759a187b4fe5 (diff) | |
download | z180-stamp-289f6a146c0b2087607d8d8659531ea90142779a.zip |
Import fatfs R0.13bfatfs-0.13b
Diffstat (limited to 'fatfs/doc/en/printf.html')
-rw-r--r-- | fatfs/doc/en/printf.html | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/fatfs/doc/en/printf.html b/fatfs/doc/en/printf.html deleted file mode 100644 index f603052..0000000 --- a/fatfs/doc/en/printf.html +++ /dev/null @@ -1,93 +0,0 @@ -<!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=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/printf.html"> -<link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default"> -<title>FatFs - f_printf</title> -</head> - -<body> - -<div class="para func"> -<h2>f_printf</h2> -<p>The f_printf function writes formatted string to the file.</p> -<pre> -int f_printf ( - FIL* <span class="arg">fp</span>, <span class="c">/* [IN] File object */</span> - const TCHAR* <span class="arg">fmt</span>, <span class="c">/* [IN] Format stirng */</span> - ... -); -</pre> -</div> - -<div class="para arg"> -<h4>Parameters</h4> -<dl class="par"> -<dt>fp</dt> -<dd>Pointer to the open file object structure.</dd> -<dt>fmt</dt> -<dd>Pointer to the null terminated format string. The terminator charactor will not be written.</dd> -<dt>...</dt> -<dd>Optional arguments...</dd> - -</dl> -</div> - - -<div class="para ret"> -<h4>Return Values</h4> -<p>When the function succeeded, it returns number of characters written. If the function could not write the generated string to the file due to disk full or an error, <tt>EOF (-1)</tt> will be returned.</p> -</div> - - -<div class="para desc"> -<h4>Description</h4> -<p>The format control directive is a sub-set of standard library shown as follos:</p> -<ul> -<li>Type: <tt>c C s S d D u U x X b B</tt></li> -<li>Size: <tt>l L</tt></li> -<li>Flag: <tt>0 -</tt></li> -</ul> -</div> - - -<div class="para comp"> -<h4>QuickInfo</h4> -<p>This is a wrapper function of <a href="write.html"><tt>f_write</tt></a> function. Available when <tt>_FS_READONLY == 0</tt> and <tt>_USE_STRFUNC</tt> is 1 or 2. When it is set to 2, <tt>'\n'</tt>s contained in the output are converted to <tt>'\r'+'\n'</tt>.</p> -<p>When FatFs is configured to Unicode API (<tt>_LFN_UNICODE == 1</tt>), data types on the srting fuctions, <tt>f_putc</tt>, <tt>f_puts</tt>, <tt>f_printf</tt> and <tt>f_gets</tt> function, is also switched to Unicode. The character encoding on the file to be read/written via those functions is selected by <tt>_STRF_ENCODE</tt> option.</p> -</div> - - -<div class="para use"> -<h4>Example</h4> -<pre> - f_printf(&fil, "%d", 1234); <span class="c">/* "1234" */</span> - f_printf(&fil, "%6d,%3d%%", -200, 5); <span class="c">/* " -200, 5%" */</span> - f_printf(&fil, "%ld", 12345L); <span class="c">/* "12345" */</span> - f_printf(&fil, "%06d", 25); <span class="c">/* "000025" */</span> - f_printf(&fil, "%06d", -25); <span class="c">/* "000-25" */</span> - f_printf(&fil, "%-6d", 25); <span class="c">/* "25 " */</span> - f_printf(&fil, "%u", -1); <span class="c">/* "65535" or "4294967295" */</span> - f_printf(&fil, "%04x", 0xAB3); <span class="c">/* "0ab3" */</span> - f_printf(&fil, "%08LX", 0x123ABCL); <span class="c">/* "00123ABC" */</span> - f_printf(&fil, "%016b", 0x550F); <span class="c">/* "0101010100001111" */</span> - f_printf(&fil, "%s", "String"); <span class="c">/* "String" */</span> - f_printf(&fil, "%8s", "abc"); <span class="c">/* " abc" */</span> - f_printf(&fil, "%-8s", "abc"); <span class="c">/* "abc " */</span> - f_printf(&fil, "%c", 'a'); <span class="c">/* "a" */</span> - f_printf(&fil, "%f", 10.0); <span class="c">/* f_printf lacks floating point support */</span> -</pre> -</div> - - -<div class="para ref"> -<h4>See Also</h4> -<p><tt><a href="open.html">f_open</a>, <a href="putc.html">f_putc</a>, <a href="puts.html">f_puts</a>, <a href="gets.html">f_gets</a>, <a href="close.html">f_close</a>, <a href="sfile.html">FIL</a></tt></p> -</div> - -<p class="foot"><a href="../00index_e.html">Return</a></p> -</body> -</html> |