<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[fread]]></title><description><![CDATA[<p>hi,<br />
wie kann ich mit nur einem fread aufruf eine ganze datei in einen buffer einlesen?<br />
buffergroesse laesst sich ja so bestimmen:</p>
<pre><code class="language-cpp">unsigned long numChars;
fz = fopen(&quot;text.txt&quot;, &quot;r&quot;);

fseek(fz, 0, SEEK_END);
numChars = ftell(fz);

fseek(fz, 0, SEEK_SET);
// ... schreibe operationen etc.
fclose(fz);
</code></pre>
<p>cu</p>
]]></description><link>https://www.c-plusplus.net/forum/topic/175816/fread</link><generator>RSS for Node</generator><lastBuildDate>Sat, 12 Sep 2026 11:25:52 GMT</lastBuildDate><atom:link href="https://www.c-plusplus.net/forum/topic/175816.rss" rel="self" type="application/rss+xml"/><pubDate>Wed, 14 Mar 2007 12:55:06 GMT</pubDate><ttl>60</ttl><item><title><![CDATA[Reply to fread on Wed, 14 Mar 2007 12:55:06 GMT]]></title><description><![CDATA[<p>hi,<br />
wie kann ich mit nur einem fread aufruf eine ganze datei in einen buffer einlesen?<br />
buffergroesse laesst sich ja so bestimmen:</p>
<pre><code class="language-cpp">unsigned long numChars;
fz = fopen(&quot;text.txt&quot;, &quot;r&quot;);

fseek(fz, 0, SEEK_END);
numChars = ftell(fz);

fseek(fz, 0, SEEK_SET);
// ... schreibe operationen etc.
fclose(fz);
</code></pre>
<p>cu</p>
]]></description><link>https://www.c-plusplus.net/forum/post/1245383</link><guid isPermaLink="true">https://www.c-plusplus.net/forum/post/1245383</guid><dc:creator><![CDATA[wolfi]]></dc:creator><pubDate>Wed, 14 Mar 2007 12:55:06 GMT</pubDate></item><item><title><![CDATA[Reply to fread on Wed, 14 Mar 2007 12:58:10 GMT]]></title><description><![CDATA[<p>Erstens: Genug Speicher anfordern:</p>
<pre><code class="language-cpp">char* filedata=malloc(numChars);
</code></pre>
<p>Zweitens: Einlesen per fread:</p>
<pre><code class="language-cpp">fread(filedata,numChars,1,fz);
</code></pre>
<p>(PS: übrigens solltest du die Datei im Binärmodus (&quot;rb&quot;) öffnen)</p>
]]></description><link>https://www.c-plusplus.net/forum/post/1245391</link><guid isPermaLink="true">https://www.c-plusplus.net/forum/post/1245391</guid><dc:creator><![CDATA[CStoll]]></dc:creator><pubDate>Wed, 14 Mar 2007 12:58:10 GMT</pubDate></item><item><title><![CDATA[Reply to fread on Wed, 14 Mar 2007 13:16:00 GMT]]></title><description><![CDATA[<p>warum im binaermodus bei ner textdatei?</p>
]]></description><link>https://www.c-plusplus.net/forum/post/1245409</link><guid isPermaLink="true">https://www.c-plusplus.net/forum/post/1245409</guid><dc:creator><![CDATA[wolfi]]></dc:creator><pubDate>Wed, 14 Mar 2007 13:16:00 GMT</pubDate></item></channel></rss>