1CURLOPT_POSTFIELDSIZE(3) curl_easy_setopt options CURLOPT_POSTFIELDSIZE(3)
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6 CURLOPT_POSTFIELDSIZE - size of POST data pointed to
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9 #include <curl/curl.h>
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11 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_POSTFIELDSIZE, long
12 size);
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15 If you want to post data to the server without having libcurl do a
16 strlen() to measure the data size, this option must be used. When this
17 option is used you can post fully binary data, which otherwise is
18 likely to fail. If this size is set to -1, the library will use
19 strlen() to get the size.
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21 If you post more than 2GB, use CURLOPT_POSTFIELDSIZE_LARGE(3).
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24 -1
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27 HTTP
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30 CURL *curl = curl_easy_init();
31 if(curl) {
32 const char *data = "data to send";
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34 curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
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36 /* size of the POST data */
37 curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, (long) strlen(data));
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39 curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data);
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41 curl_easy_perform(curl);
42 }
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45 Along with HTTP
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48 Returns CURLE_OK if HTTP is supported, and CURLE_UNKNOWN_OPTION if not.
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51 CURLOPT_POSTFIELDS(3), CURLOPT_POSTFIELDSIZE_LARGE(3),
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55libcurl 7.64.0 February 03, 2016 CURLOPT_POSTFIELDSIZE(3)