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CURLOPT_PROGRESSDATA(3) libcurl 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_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),
ibcurl 8.1.2 April 26, 2023 CURLOPT_PROGRESSDATA(3)

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