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comparison mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLINFO_SSL_ENGINES.3 @ 3:2c135c81b16c

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MERGE: upstream PyMuPDF 1.26.4 with MuPDF 1.26.7
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:44:09 +0200
parents b50eed0cc0ef
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0:6015a75abc2d 3:2c135c81b16c
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23 .TH CURLINFO_SSL_ENGINES 3 "1 Sep 2015" "libcurl 7.44.0" "curl_easy_getinfo options"
24 .SH NAME
25 CURLINFO_SSL_ENGINES \- get an slist of OpenSSL crypto-engines
26 .SH SYNOPSIS
27 #include <curl/curl.h>
28
29 CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_SSL_ENGINES,
30 struct curl_slist **engine_list);
31 .SH DESCRIPTION
32 Pass the address of a 'struct curl_slist *' to receive a linked-list of
33 OpenSSL crypto-engines supported. Note that engines are normally implemented
34 in separate dynamic libraries. Hence not all the returned engines may be
35 available at run-time. \fBNOTE:\fP you must call \fIcurl_slist_free_all(3)\fP
36 on the list pointer once you're done with it, as libcurl will not free the
37 data for you.
38 .SH PROTOCOLS
39 All TLS based ones.
40 .SH EXAMPLE
41 .nf
42 CURL *curl = curl_easy_init();
43 if(curl) {
44 CURLcode res;
45 struct curl_slist *engines;
46 res = curl_easy_getinfo(curl, CURLINFO_SSL_ENGINES, &engines);
47 if((res == CURLE_OK) && engines) {
48 /* we have a list, free it when done using it */
49 curl_slist_free_all(engines);
50 }
51
52 curl_easy_cleanup(curl);
53 }
54 .fi
55 .SH AVAILABILITY
56 Added in 7.12.3. Available in OpenSSL builds with "engine" support.
57 .SH RETURN VALUE
58 Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
59 .SH "SEE ALSO"
60 .BR curl_easy_getinfo "(3), " curl_easy_setopt "(3), "