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https://github.com/moparisthebest/curl
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71 lines
2.7 KiB
Groff
71 lines
2.7 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_FOLLOWLOCATION 3 "17 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_FOLLOWLOCATION \- follow HTTP 3xx redirects
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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_FOLLOWLOCATION, long enable);
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.SH DESCRIPTION
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A parameter set to 1 tells the library to follow any Location: header that the
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server sends as part of a HTTP header in a 3xx response.
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This means that libcurl will re-send the same request on the new location and
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follow new Location: headers all the way until no more such headers are
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returned. \fICURLOPT_MAXREDIRS(3)\fP can be used to limit the number of
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redirects libcurl will follow.
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libcurl can limit to what protocols it will automatically follow. The accepted
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protocols are set with \fICURLOPT_REDIR_PROTOCOLS(3)\fP and it excludes the
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FILE protocol by default.
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For users who think the existing location following is too naive, too simple
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or just lacks features, it is very easy to instead implement your own redirect
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follow logic with the use of \fIcurl_easy_getinfo(3)\fP's
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\fICURLINFO_REDIRECT_URL\fP option instead of using
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\fICURLOPT_FOLLOWLOCATION(3)\fP.
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.SH DEFAULT
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0, disabled
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.SH PROTOCOLS
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HTTP(S)
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.SH EXAMPLE
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.nf
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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, "http://example.com");
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/* example.com is redirected, so we tell libcurl to follow redirection */
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curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
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curl_easy_perform(curl);
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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_REDIR_PROTOCOLS "(3), " CURLOPT_PROTOCOLS "(3), "
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.BR CURLOPT_POSTREDIR "(3), "
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