/* now specify which file to upload */
curl_easy_setopt(curl, CURLOPT_READDATA, hd_src);
- /* and give the size of the upload (optional) */
- curl_easy_setopt(curl, CURLOPT_INFILESIZE, file_info.st_size);
+ /* and give the size of the upload, make sure that we don't accidentally
+ pass a larger variable type than "long". */
+ curl_easy_setopt(curl, CURLOPT_INFILESIZE, (long) file_info.st_size);
/* Now run off and do what you've been told! */
res = curl_easy_perform(curl);