Section: curl_easy_setopt options (3)
Updated: June 25, 2020
CURLOPT_RANDOM_FILE - specify a source for random data
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_RANDOM_FILE, char *path);
Pass a char * to a null-terminated file name. The file might be used to read
from to seed the random engine for SSL and more.
The application does not have to keep the string around after setting this
NULL, not used
CURL *curl = curl_easy_init();
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
curl_easy_setopt(curl, CURLOPT_RANDOM_FILE, "junk.txt");
ret = curl_easy_perform(curl);
Returns CURLE_OK on success or
CURLE_OUT_OF_MEMORY if there was insufficient heap space.