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)