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68 lines
2.8 KiB
Groff
68 lines
2.8 KiB
Groff
.\" **************************************************************************
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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_POSTFIELDS 3 "17 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_POSTFIELDS \- specify data to POST to server
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.SH SYNOPSIS
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_POSTFIELDS, char *postdata);
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.SH DESCRIPTION
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Pass a char * as parameter, pointing to the full data to send in a HTTP POST
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operation. You must make sure that the data is formatted the way you want the
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server to receive it. libcurl will not convert or encode it for you in any
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way. For example, the web server may assume that this data is url-encoded.
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The data pointed to is NOT copied by the library: as a consequence, it must be
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preserved by the calling application until the associated transfer finishes.
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This POST is a normal application/x-www-form-urlencoded kind (and libcurl will
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set that Content-Type by default when this option is used), which is commonly
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used by HTML forms. Change Content-Type with \fICURLOPT_HTTPHEADER(3)\fP.
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Using \fICURLOPT_POSTFIELDS(3)\fP implies \fICURLOPT_POST(3)\fP.
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If you want to do a zero-byte POST, you need to set
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\fICURLOPT_POSTFIELDSIZE(3)\fP explicitly to zero, as simply setting
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\fICURLOPT_POSTFIELDS(3)\fP to NULL or "" just effectively disables the
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sending of the specified string. libcurl will instead assume that you'll send
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the POST data using the read callback!
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Using POST with HTTP 1.1 implies the use of a "Expect: 100-continue" header.
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You can disable this header with \fICURLOPT_HTTPHEADER(3)\fP as usual.
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To make multipart/formdata posts (aka RFC2388-posts), check out the
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\fICURLOPT_HTTPPOST(3)\fP option combined with \fIcurl_formadd(3)\fP.
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.SH DEFAULT
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NULL
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.SH PROTOCOLS
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HTTP
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.SH EXAMPLE
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TODO
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.SH AVAILABILITY
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Always
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.SH RETURN VALUE
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Returns CURLE_OK
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.SH "SEE ALSO"
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.BR CURLOPT_POSTFIELDSIZE "(3), " CURLOPT_READFUNCTION "(3), "
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