c: Copyright (C) Daniel Stenberg, daniel@haxx.se, et al. SPDX-License-Identifier: curl Title: CURLOPT_CHUNK_END_FUNCTION Section: 3 Source: libcurl See-also:
CURLOPT_CHUNK_END_FUNCTION - callback after a transfer with FTP wildcard match
#include <curl/curl.h>
long chunk_end_callback(void *ptr);
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_CHUNK_END_FUNCTION,
chunk_end_callback);
Pass a pointer to your callback function, which should match the prototype shown above.
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.
NULL
#include <stdio.h>
struct callback_data {
FILE *output;
};
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 *curl = curl_easy_init();
curl_easy_setopt(curl, CURLOPT_CHUNK_END_FUNCTION, file_is_downloaded);
curl_easy_setopt(curl, CURLOPT_CHUNK_DATA, &callback_info);
}
Added in 7.21.0
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.