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ad9bc5976d
Add licensing and copyright information for all files in this repository. This either happens in the file itself as a comment header or in the file `.reuse/dep5`. This commit also adds a Github workflow to check pull requests and adapts copyright.pl to the changes. Closes #8869
79 lines
2.4 KiB
Groff
79 lines
2.4 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 - 2022, 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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.\"
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.TH CURLMOPT_SOCKETDATA 3 "3 Nov 2014" "libcurl 7.39.0" "curl_multi_setopt options"
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.SH NAME
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CURLMOPT_SOCKETDATA \- custom pointer passed to the socket callback
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLMcode curl_multi_setopt(CURLM *handle, CURLMOPT_SOCKETDATA, void *pointer);
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.SH DESCRIPTION
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A data \fIpointer\fP to pass to the socket callback set with the
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\fICURLMOPT_SOCKETFUNCTION(3)\fP option.
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This pointer will not be touched by libcurl but will only be passed in to the
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socket callbacks's \fBuserp\fP argument.
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.SH DEFAULT
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NULL
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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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static int sock_cb(CURL *e, curl_socket_t s, int what, void *cbp, void *sockp)
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{
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GlobalInfo *g = (GlobalInfo*) cbp;
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SockInfo *fdp = (SockInfo*) sockp;
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if(what == CURL_POLL_REMOVE) {
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remsock(fdp);
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}
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else {
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if(!fdp) {
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addsock(s, e, what, g);
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}
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else {
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setsock(fdp, s, e, what, g);
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}
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}
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return 0;
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}
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main()
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{
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GlobalInfo setup;
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/* ... use socket callback and custom pointer */
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curl_multi_setopt(multi, CURLMOPT_SOCKETFUNCTION, sock_cb);
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curl_multi_setopt(multi, CURLMOPT_SOCKETDATA, &setup);
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}
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.fi
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.SH AVAILABILITY
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Added in 7.15.4
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.SH RETURN VALUE
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Returns CURLM_OK.
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.SH "SEE ALSO"
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.BR CURLMOPT_SOCKETFUNCTION "(3), " curl_multi_socket_action "(3), "
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.BR CURLMOPT_TIMERFUNCTION "(3) "
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