CURLOPT_PROGRESSDATA(3) curl_easy_setopt options CURLOPT_PROGRESSDATA(3)
NAME
CURLOPT_PROGRESSDATA - pointer passed to the progress callback
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROGRESSDATA, 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_PROGRESSFUNC-
TION(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,
double dltotal,
double dlnow,
double ultotal,
double 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_PROGRESSDATA, &data);
curl_easy_setopt(curl_handle, CURLOPT_PROGRESSFUNCTION, progress_callback);
AVAILABILITY
Always
RETURN VALUE
Returns CURLE_OK
SEE ALSO
CURLOPT_PROGRESSFUNCTION(3), CURLOPT_XFERINFOFUNCTION(3),
libcurl 7.81.0 November 26, 2021 CURLOPT_PROGRESSDATA(3)
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