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Updated: Wednesday, July 27, 2022
 
 

CURLOPT_ALTSVC (3)

Name

CURLOPT_ALTSVC - svc cache file name

Synopsis

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_ALTSVC, char *filename);

Description

CURLOPT_ALTSVC(3)          curl_easy_setopt options          CURLOPT_ALTSVC(3)



NAME
       CURLOPT_ALTSVC - alt-svc cache file name

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_ALTSVC, char *filename);

DESCRIPTION
       Pass in a pointer to a filename to instruct libcurl to use that file as
       the Alt-Svc cache to read existing cache  contents  from  and  possibly
       also  write  it back to a after a transfer, unless CURLALTSVC_READONLY-
       FILE is set in CURLOPT_ALTSVC_CTRL(3).

       Specify a blank file name ("") to make libcurl not load from a file  at
       all.

DEFAULT
       NULL. The alt-svc cache is not read nor written to file.

PROTOCOLS
       HTTPS

EXAMPLE
       CURL *curl = curl_easy_init();
       if(curl) {
         curl_easy_setopt(curl, CURLOPT_ALTSVC_CTRL, CURLALTSVC_H1);
         curl_easy_setopt(curl, CURLOPT_ALTSVC, "altsvc-cache.txt");
         curl_easy_perform(curl);
       }

AVAILABILITY
       Added in 7.64.1

RETURN VALUE
       Returns  CURLE_OK  if the option is supported, and CURLE_UNKNOWN_OPTION
       if not.


ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:


       +---------------+------------------+
       |ATTRIBUTE TYPE | ATTRIBUTE VALUE  |
       +---------------+------------------+
       |Availability   | web/curl         |
       +---------------+------------------+
       |Stability      | Uncommitted      |
       +---------------+------------------+

SEE ALSO
       CURLOPT_ALTSVC_CTRL(3), CURLOPT_CONNECT_TO(3), CURLOPT_RESOLVE(3), CUR-
       LOPT_COOKIEFILE(3),



NOTES
       Source  code  for open source software components in Oracle Solaris can
       be found at https://www.oracle.com/downloads/opensource/solaris-source-
       code-downloads.html.

       This     software     was    built    from    source    available    at
       https://github.com/oracle/solaris-userland.   The  original   community
       source       was       downloaded      from       https://curl.se/down-
       load/curl-7.83.1.tar.bz2.

       Further information about this software can be found on the open source
       community website at http://curl.haxx.se/.



libcurl 7.83.1                September 08, 2021             CURLOPT_ALTSVC(3)