CURLOPT_XFERINFODATA - pointer passed to the progress callback
#include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_XFERINFODATA, void *pointer);
CURLOPT_XFERINFODATA(3) curl_easy_setopt options CURLOPT_XFERINFODATA(3) NAME CURLOPT_XFERINFODATA - pointer passed to the progress callback SYNOPSIS #include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_XFERINFODATA, void *pointer); DESCRIPTION Pass a pointer that will be untouched by libcurl and passed as the first argument in the progress callback set with CURLOPT_XFERINFOFUNC- TION(3). This is an alias for CURLOPT_PROGRESSDATA(3). DEFAULT The default value of this parameter is NULL. PROTOCOLS All EXAMPLE struct progress { char *private; size_t size; }; static size_t progress_callback(void *clientp, curl_off_t dltotal, curl_off_t dlnow, curl_off_t ultotal, curl_off_t ulnow) { struct memory *progress = (struct progress *)userp; /* use the values */ return 0; /* all is good */ } struct progress data; /* pass struct to callback */ curl_easy_setopt(curl_handle, CURLOPT_XFERINFODATA, &data); curl_easy_setopt(curl_handle, CURLOPT_XFERINFOFUNCTION, progress_callback); AVAILABILITY Added in 7.32.0 RETURN VALUE Returns CURLE_OK ATTRIBUTES See attributes(7) for descriptions of the following attributes: +---------------+------------------+ |ATTRIBUTE TYPE | ATTRIBUTE VALUE | +---------------+------------------+ |Availability | web/curl | +---------------+------------------+ |Stability | Uncommitted | +---------------+------------------+ SEE ALSO CURLOPT_XFERINFOFUNCTION(3), CURLOPT_VERBOSE(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 November 26, 2021 CURLOPT_XFERINFODATA(3)