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72 lines
3.0 KiB
Groff
72 lines
3.0 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 - 2020, 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 https://curl.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 curl_easy_cleanup 3 "22 Aug 2007" "libcurl 7.17.0" "libcurl Manual"
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.SH NAME
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curl_easy_cleanup - End a libcurl easy handle
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.SH SYNOPSIS
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.B #include <curl/curl.h>
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.BI "void curl_easy_cleanup(CURL *" handle ");"
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.SH DESCRIPTION
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This function must be the last function to call for an easy session. It is the
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opposite of the \fIcurl_easy_init(3)\fP function and must be called with the
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same \fIhandle\fP as input that a \fIcurl_easy_init(3)\fP call returned.
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This might close all connections this handle has used and possibly has kept
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open until now - unless it was attached to a multi handle while doing the
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transfers. Don't call this function if you intend to transfer more files,
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re-using handles is a key to good performance with libcurl.
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Occasionally you may get your progress callback or header callback called from
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within \fIcurl_easy_cleanup(3)\fP (if previously set for the handle using
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\fIcurl_easy_setopt(3)\fP). Like if libcurl decides to shut down the
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connection and the protocol is of a kind that requires a command/response
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sequence before disconnect. Examples of such protocols are FTP, POP3 and IMAP.
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Any use of the \fBhandle\fP after this function has been called and have
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returned, is illegal. \fIcurl_easy_cleanup(3)\fP kills the handle and all
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memory associated with it!
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Passing in a NULL pointer in \fIhandle\fP will make this function return
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immediately with no action.
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.SH "OLD TIMES"
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For libcurl versions before 7.17,: after you've called this function, you can
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safely remove all the strings you've previously told libcurl to use, as it
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won't use them anymore now.
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.SH RETURN VALUE
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None
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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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CURLcode res;
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
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res = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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}
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.fi
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.SH "SEE ALSO"
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.BR curl_easy_init "(3), " curl_easy_duphandle "(3), "
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.BR curl_easy_reset "(3), "
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.BR curl_multi_cleanup "(3), " curl_multi_remove_handle "(3) "
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