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_PROGRESSFUNCTION(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 *)clientp;


   /* 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),