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81 lines
3.1 KiB
HTML
81 lines
3.1 KiB
HTML
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<title>CURLOPT_READDATA man page</title>
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</head><body>
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<p class="level0"><a name="NAME"></a><h2 class="nroffsh">NAME</h2>
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<p class="level0">CURLOPT_READDATA - custom pointer passed to the read callback <a name="SYNOPSIS"></a><h2 class="nroffsh">SYNOPSIS</h2>
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<p class="level0">#include <curl/curl.h>
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<p class="level0">CURLcode curl_easy_setopt(CURL *handle, CURLOPT_READDATA, void *pointer); <a name="DESCRIPTION"></a><h2 class="nroffsh">DESCRIPTION</h2>
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<p class="level0">Data <span Class="emphasis">pointer</span> to pass to the file read function. If you use the <a Class="emphasis" href="./CURLOPT_READFUNCTION.html">CURLOPT_READFUNCTION</a> option, this is the pointer you'll get as input in the 4th argument to the callback.
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<p class="level0">If you don't specify a read callback but instead rely on the default internal read function, this data must be a valid readable FILE * (cast to 'void *').
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<p class="level0">If you're using libcurl as a win32 DLL, you MUST use a <a Class="emphasis" href="./CURLOPT_READFUNCTION.html">CURLOPT_READFUNCTION</a> if you set this option. <a name="DEFAULT"></a><h2 class="nroffsh">DEFAULT</h2>
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<p class="level0">By default, this is a FILE * to stdin. <a name="PROTOCOLS"></a><h2 class="nroffsh">PROTOCOLS</h2>
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<p class="level0">This is used for all protocols when sending data. <a name="EXAMPLE"></a><h2 class="nroffsh">EXAMPLE</h2>
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<p class="level0"><pre class="level0">
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CURL *curl = curl_easy_init();
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struct MyData this;
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
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/* pass pointer that gets passed in to the
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CURLOPT_READFUNCTION callback */
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curl_easy_setopt(curl, CURLOPT_READDATA, &this);
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curl_easy_perform(curl);
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}
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</pre>
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<p class="level0"><a name="AVAILABILITY"></a><h2 class="nroffsh">AVAILABILITY</h2>
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<p class="level0">This option was once known by the older name CURLOPT_INFILE, the name <a Class="emphasis" href="./CURLOPT_READDATA.html">CURLOPT_READDATA</a> was introduced in 7.9.7. <a name="RETURN"></a><h2 class="nroffsh">RETURN VALUE</h2>
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<p class="level0">This will return CURLE_OK. <a name="SEE"></a><h2 class="nroffsh">SEE ALSO</h2>
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<p class="level0"><a Class="manpage" href="./CURLOPT_READFUNCTION.html">CURLOPT_READFUNCTION</a>, <a Class="manpage" href="./CURLOPT_WRITEDATA.html">CURLOPT_WRITEDATA</a><p class="roffit">
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