68 lines
1.2 KiB
Markdown
68 lines
1.2 KiB
Markdown
---
|
|
c: Copyright (C) Daniel Stenberg, <daniel.se>, et al.
|
|
SPDX-License-Identifier: curl
|
|
Title: CURLOPT_RANDOM_FILE
|
|
Section: 3
|
|
Source: libcurl
|
|
See-also:
|
|
- CURLOPT_EGDSOCKET (3)
|
|
---
|
|
|
|
# NAME
|
|
|
|
CURLOPT_RANDOM_FILE - file to read random data from
|
|
|
|
# SYNOPSIS
|
|
|
|
~~~c
|
|
#include <curl/curl.h>
|
|
|
|
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_RANDOM_FILE, char *path);
|
|
~~~
|
|
|
|
# DESCRIPTION
|
|
|
|
Deprecated option. It serves no purpose anymore.
|
|
|
|
Pass a char pointer to a null-terminated filename. 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.
|
|
|
|
# DEFAULT
|
|
|
|
NULL, not used
|
|
|
|
# PROTOCOLS
|
|
|
|
All
|
|
|
|
# EXAMPLE
|
|
|
|
~~~c
|
|
int main(void)
|
|
{
|
|
CURL *curl = curl_easy_init();
|
|
if(curl) {
|
|
CURLcode res;
|
|
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
|
|
curl_easy_setopt(curl, CURLOPT_RANDOM_FILE, "junk.txt");
|
|
res = curl_easy_perform(curl);
|
|
curl_easy_cleanup(curl);
|
|
}
|
|
}
|
|
~~~
|
|
|
|
# AVAILABILITY
|
|
|
|
If built with TLS enabled. Only the OpenSSL backend uses this, and only with
|
|
OpenSSL versions before 1.1.0.
|
|
|
|
This option was deprecated in 7.84.0.
|
|
|
|
# RETURN VALUE
|
|
|
|
Returns CURLE_OK on success or
|
|
CURLE_OUT_OF_MEMORY if there was insufficient heap space.
|