<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <!-- Generated by HsColour, http://code.haskell.org/~malcolm/hscolour/ --> <title>src/Network/Socket/SendFile/Util.hs</title> <link type='text/css' rel='stylesheet' href='hscolour.css' /> </head> <body> <pre><a name="line-1"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Network</span><span class='hs-varop'>.</span><span class='hs-conid'>Socket</span><span class='hs-varop'>.</span><span class='hs-conid'>SendFile</span><span class='hs-varop'>.</span><span class='hs-conid'>Util</span> <a name="line-2"></a> <span class='hs-layout'>(</span> <span class='hs-varid'>wrapSendFile'</span> <a name="line-3"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span> <a name="line-4"></a> <a name="line-5"></a><a name="wrapSendFile'"></a><span class='hs-comment'>-- | wraps sendFile' to check arguments</span> <a name="line-6"></a><span class='hs-definition'>wrapSendFile'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Integral</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Integer</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Integer</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Integer</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>c</span> <a name="line-7"></a><span class='hs-definition'>wrapSendFile'</span> <span class='hs-varid'>fun</span> <span class='hs-varid'>outp</span> <span class='hs-varid'>inp</span> <span class='hs-varid'>blockSize</span> <span class='hs-varid'>off</span> <span class='hs-varid'>count</span> <a name="line-8"></a><span class='hs-comment'>-- | count == 0 = return () -- Send nothing -- why do the work? Also, Windows and FreeBSD treat '0' as 'send the whole file'.</span> <a name="line-9"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>count</span> <span class='hs-varop'><</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>error</span> <span class='hs-str'>"SendFile - count must be a positive integer"</span> <a name="line-10"></a> <span class='hs-keyglyph'>|</span> <span class='hs-layout'>(</span><span class='hs-varid'>count</span> <span class='hs-varop'>/=</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span> <span class='hs-varop'>&&</span> <span class='hs-layout'>(</span><span class='hs-varid'>blockSize</span> <span class='hs-varop'><=</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>error</span> <span class='hs-str'>"SendFile - blockSize must be a positive integer greater than 1"</span> <a name="line-11"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>off</span> <span class='hs-varop'><</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>error</span> <span class='hs-str'>"SendFile - offset must be a positive integer"</span> <a name="line-12"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fun</span> <span class='hs-varid'>outp</span> <span class='hs-varid'>inp</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>blockSize</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>off</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>count</span><span class='hs-layout'>)</span> </pre></body> </html>
