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86 lines
3.2 KiB
HTML
86 lines
3.2 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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<title>CURLOPT_RESUME_FROM 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_RESUME_FROM - set a point to resume transfer from <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_RESUME_FROM, long from); <a name="DESCRIPTION"></a><h2 class="nroffsh">DESCRIPTION</h2>
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<p class="level0">Pass a long as parameter. It contains the offset in number of bytes that you want the transfer to start from. Set this option to 0 to make the transfer start from the beginning (effectively disabling resume). For FTP, set this option to -1 to make the transfer start from the end of the target file (useful to continue an interrupted upload).
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<p class="level0">When doing uploads with FTP, the resume position is where in the local/source file libcurl should try to resume the upload from and it will then append the source file to the remote target file.
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<p class="level0">If you need to resume a transfer beyond the 2GB limit, use <a Class="emphasis" href="./CURLOPT_RESUME_FROM_LARGE.html">CURLOPT_RESUME_FROM_LARGE</a> instead. <a name="DEFAULT"></a><h2 class="nroffsh">DEFAULT</h2>
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<p class="level0">0, not used <a name="PROTOCOLS"></a><h2 class="nroffsh">PROTOCOLS</h2>
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<p class="level0">HTTP, FTP, SFTP, FILE <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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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com");
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/* resume upload at byte index 200 */
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curl_easy_setopt(curl, CURLOPT_RESUME_FROM, 200L);
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/* ask for upload */
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curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
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/* set total data amount to expect */
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curl_easy_setopt(curl, CURLOPT_INFILESIZE, size_of_file);
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/* Perform the request */
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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">Always <a name="RETURN"></a><h2 class="nroffsh">RETURN VALUE</h2>
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<p class="level0">Returns CURLE_OK <a name="SEE"></a><h2 class="nroffsh">SEE ALSO</h2>
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<p class="level0"><a Class="manpage" href="./CURLOPT_RESUME_FROM_LARGE.html">CURLOPT_RESUME_FROM_LARGE</a>, <a Class="manpage" href="./CURLOPT_RANGE.html">CURLOPT_RANGE</a>, <a Class="manpage" href="./CURLOPT_INFILESIZE.html">CURLOPT_INFILESIZE</a><p class="roffit">
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