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51 lines
1.4 KiB
Groff
51 lines
1.4 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLOPT_POSTFIELDSIZE.md
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.TH CURLOPT_POSTFIELDSIZE 3 "2024-06-01" libcurl
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.SH NAME
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CURLOPT_POSTFIELDSIZE \- size of POST data pointed to
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_POSTFIELDSIZE, long size);
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.fi
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.SH DESCRIPTION
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If you want to post static data to the server without having libcurl do a
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strlen() to measure the data size, this option must be used. When this option
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is used you can post fully binary data, which otherwise is likely to fail. If
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this size is set to \-1, libcurl uses strlen() to get the size or relies on the
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\fICURLOPT_READFUNCTION(3)\fP (if used) to signal the end of data.
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If you post more than 2GB, use \fICURLOPT_POSTFIELDSIZE_LARGE(3)\fP.
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.SH DEFAULT
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-1
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.SH PROTOCOLS
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HTTP
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.SH EXAMPLE
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.nf
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#include <string.h> /* for strlen */
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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const char *data = "data to send";
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
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/* size of the POST data */
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curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, (long) strlen(data));
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curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data);
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curl_easy_perform(curl);
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}
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}
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.fi
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.SH AVAILABILITY
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Along with HTTP
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.SH RETURN VALUE
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Returns CURLE_OK if HTTP is supported, and CURLE_UNKNOWN_OPTION if not.
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.SH SEE ALSO
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.BR CURLOPT_POSTFIELDS (3),
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.BR CURLOPT_POSTFIELDSIZE_LARGE (3)
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