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e3fe020089
Remove the PROTOCOLS section from the source files completely and instead generate them based on the header data in the curldown files. It also generates TLS backend information for options marked for TLS as protocol. Closes #13175
60 lines
1.1 KiB
Markdown
60 lines
1.1 KiB
Markdown
---
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c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLSHOPT_USERDATA
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Section: 3
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Source: libcurl
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See-also:
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- CURLSHOPT_LOCKFUNC (3)
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- curl_share_cleanup (3)
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- curl_share_init (3)
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- curl_share_setopt (3)
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Protocol:
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- All
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---
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# NAME
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CURLSHOPT_USERDATA - pointer passed to the lock and unlock mutex callbacks
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# SYNOPSIS
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~~~c
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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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~~~
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# DESCRIPTION
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The *clientp* parameter is held verbatim by libcurl and is passed on as
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the *clientp* argument to the callbacks set with
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CURLSHOPT_LOCKFUNC(3) and CURLSHOPT_UNLOCKFUNC(3).
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# EXAMPLE
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~~~c
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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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~~~
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# AVAILABILITY
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Added in 7.10
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# 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 libcurl-errors(3) for the full list with
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descriptions.
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