| CURLOPT_XFERINFODATA(3) | curl_easy_setopt options | CURLOPT_XFERINFODATA(3) |
CURLOPT_XFERINFODATA - pointer passed to the progress callback
#include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_XFERINFODATA, void *pointer);
Pass a pointer that will be untouched by libcurl and passed as the first argument in the progress callback set with CURLOPT_XFERINFOFUNCTION(3).
This is an alias for CURLOPT_PROGRESSDATA(3).
The default value of this parameter is NULL.
All
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 *)clientp;
/* 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);
Added in 7.32.0
Returns CURLE_OK
| February 7, 2023 | libcurl 7.88.1 |