66 lines
2.2 KiB
Groff
66 lines
2.2 KiB
Groff
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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) 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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.\" * SPDX-License-Identifier: curl
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.\" *
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.\" **************************************************************************
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.TH CURLSHOPT_USERDATA 3 "8 Aug 2003" libcurl libcurl
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.SH NAME
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CURLSHOPT_USERDATA - pointer passed to the lock and unlock mutex callbacks
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLSHcode curl_share_setopt(CURLSH *share, CURLSHOPT_USERDATA, void *clientp);
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.fi
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.SH DESCRIPTION
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The \fIclientp\fP parameter is held verbatim by libcurl and is passed on as
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the \fIclientp\fP argument to the callbacks set with
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\fICURLSHOPT_LOCKFUNC(3)\fP and \fICURLSHOPT_UNLOCKFUNC(3)\fP.
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.SH PROTOCOLS
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All
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.SH EXAMPLE
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.nf
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struct secrets {
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void *custom;
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};
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int main(void)
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{
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CURLSHcode sh;
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struct secrets private_stuff;
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CURLSH *share = curl_share_init();
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sh = curl_share_setopt(share, CURLSHOPT_USERDATA, &private_stuff);
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if(sh)
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printf("Error: %s\\n", curl_share_strerror(sh));
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}
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.fi
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.SH AVAILABILITY
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Added in 7.10
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.SH RETURN VALUE
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CURLSHE_OK (zero) means that the option was set properly, non-zero means an
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error occurred. See \fIlibcurl-errors(3)\fP for the full list with
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descriptions.
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.SH "SEE ALSO"
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.BR curl_share_cleanup (3),
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.BR curl_share_init (3),
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.BR curl_share_setopt (3),
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.BR CURLSHOPT_LOCKFUNC (3)
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