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CURLOPT_PROGRESSDATA(3)

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 7.86.0                   May 17, 2022          CURLOPT_PROGRESSDATA(3)
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