error.html
1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> 2 <html lang="en"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 5 <meta http-equiv="Content-Style-Type" content="text/css"> 6 <link rel="up" title="FatFs" href="../00index_e.html"> 7 <link rel="alternate" hreflang="ja" title="Japanese" href="../ja/error.html"> 8 <link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default"> 9 <title>FatFs - f_error</title> 10 </head> 11 12 <body> 13 14 <div class="para func"> 15 <h2>f_error</h2> 16 <p>The f_error tests for an error on a file.</p> 17 <pre> 18 int f_error ( 19 FIL* <span class="arg">fp</span> <span class="c">/* [IN] File object */</span> 20 ); 21 </pre> 22 </div> 23 24 25 <div class="para arg"> 26 <h4>Parameters</h4> 27 <dl class="par"> 28 <dt>fp</dt> 29 <dd>Pointer to the open file object structure.</dd> 30 </dl> 31 </div> 32 33 34 <div class="para ret"> 35 <h4>Return Values</h4> 36 <p>Returns a non-zero value if a hard error has occured; otherwise it returns a zero.</p> 37 </div> 38 39 40 <div class="para desc"> 41 <h4>Description</h4> 42 <p>In this revision, this function is implemented as a macro. It does not have any validation and mutual exclusion.</p> 43 <pre> 44 <span class="k">#define</span> f_error(fp) ((fp)->err) 45 </pre> 46 </div> 47 48 49 <div class="para comp"> 50 <h4>QuickInfo</h4> 51 <p>Always available.</p> 52 </div> 53 54 55 <div class="para ref"> 56 <h4>See Also</h4> 57 <p><tt><a href="open.html">f_open</a>, <a href="sfile.html">FIL</a></tt></p> 58 </div> 59 60 <p class="foot"><a href="../00index_e.html">Return</a></p> 61 </body> 62 </html>