#include <curl/curl.h> long chunk_end_callback(void *ptr); CURLcode curl_easy_setopt(CURL *handle, CURLOPT_CHUNK_END_FUNCTION, chunk_end_callback);
This function gets called by libcurl as soon as a part of the stream has been transferred (or skipped).
Return CURL_CHUNK_END_FUNC_OK if everything is fine or CURL_CHUNK_END_FUNC_FAIL to tell the lib to stop if some error occurred.
static long file_is_downloaded(struct callback_data *data) { if(data->output) { fclose(data->output); data->output = 0x0; } return CURL_CHUNK_END_FUNC_OK; } int main() { /* data for callback */ struct callback_data callback_info; curl_easy_setopt(curl, CURLOPT_CHUNK_END_FUNCTION, file_is_downloaded); curl_easy_setopt(curl, CURLOPT_CHUNK_DATA, &callback_info); }