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.TH CURLOPT_RANDOM_FILE 3 "November 04, 2020" "libcurl 7.74.0" "curl_easy_setopt options"

.SH NAME
CURLOPT_RANDOM_FILE \- specify a source for random data
.SH SYNOPSIS
#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_RANDOM_FILE, char *path);
.SH DESCRIPTION
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
option.
.SH DEFAULT
NULL, not used
.SH PROTOCOLS
All
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
if(curl) {
  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
  curl_easy_setopt(curl, CURLOPT_RANDOM_FILE, "junk.txt");
  ret = curl_easy_perform(curl);
  curl_easy_cleanup(curl);
}
.fi
.SH AVAILABILITY
Always
.SH RETURN VALUE
Returns CURLE_OK on success or
CURLE_OUT_OF_MEMORY if there was insufficient heap space.
.SH "SEE ALSO"
.BR CURLOPT_EGDSOCKET "(3), "