2014-06-19 23:59:00 +08:00
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.\" **************************************************************************
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.\" * _ _ ____ _
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.\" * Project ___| | | | _ \| |
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.\" * / __| | | | |_) | |
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.\" * | (__| |_| | _ <| |___
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.\" * \___|\___/|_| \_\_____|
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.\" *
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.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
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.\" *
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.\" * This software is licensed as described in the file COPYING, which
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.\" * you should have received as part of this distribution. The terms
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.\" * are also available at http://curl.haxx.se/docs/copyright.html.
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.\" *
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.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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.\" * copies of the Software, and permit persons to whom the Software is
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.\" * furnished to do so, under the terms of the COPYING file.
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.\" *
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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.\" * KIND, either express or implied.
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.\" *
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.\" **************************************************************************
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.\"
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.TH CURLOPT_COPYPOSTFIELDS 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_COPYPOSTFIELDS \- have libcurl copy data to POST
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.SH SYNOPSIS
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#include <curl/curl.h>
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2014-07-02 17:41:38 +08:00
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_COPYPOSTFIELDS, char *data);
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2014-06-19 23:59:00 +08:00
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.SH DESCRIPTION
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2014-10-21 14:58:03 +08:00
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Pass a char * as parameter, which should be the full \fIdata\fP to post in a
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HTTP POST operation. It behaves as the \fICURLOPT_POSTFIELDS(3)\fP option, but
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the original data is instead copied by the library, allowing the application
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to overwrite the original data after setting this option.
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2014-06-19 23:59:00 +08:00
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Because data are copied, care must be taken when using this option in
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conjunction with \fICURLOPT_POSTFIELDSIZE(3)\fP or
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\fICURLOPT_POSTFIELDSIZE_LARGE(3)\fP: If the size has not been set prior to
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\fICURLOPT_COPYPOSTFIELDS(3)\fP, the data is assumed to be a zero terminated
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string; else the stored size informs the library about the byte count to
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copy. In any case, the size must not be changed after
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\fICURLOPT_COPYPOSTFIELDS(3)\fP, unless another \fICURLOPT_POSTFIELDS(3)\fP or
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\fICURLOPT_COPYPOSTFIELDS(3)\fP option is issued.
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.SH DEFAULT
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NULL
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.SH PROTOCOLS
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2014-10-21 14:58:03 +08:00
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HTTP(S)
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2014-06-19 23:59:00 +08:00
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.SH EXAMPLE
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2014-10-21 14:58:03 +08:00
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.nf
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CURL *curl = curl_easy_init();
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if(curl) {
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char local_buffer[1024]="data to send";
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curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
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/* size of the data to copy from the buffer and send in the request */
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curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, 12L);
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/* send data from the local stack */
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curl_easy_setopt(curl, CURLOPT_COPYPOSTFIELDS, local_buffer);
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curl_easy_perform(curl);
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}
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.fi
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2014-06-19 23:59:00 +08:00
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.SH AVAILABILITY
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Added in 7.17.1
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or
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CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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.SH "SEE ALSO"
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.BR CURLOPT_POSTFIELDS "(3), " CURLOPT_POSTFIELDSIZE "(3), "
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