curl/docs/libcurl/opts/CURLOPT_RANDOM_FILE.3

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.\" **************************************************************************
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.\" * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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.TH CURLOPT_RANDOM_FILE 3 "17 Jun 2014" libcurl libcurl
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.SH NAME
CURLOPT_RANDOM_FILE \- file to read random data from
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.SH SYNOPSIS
.nf
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#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_RANDOM_FILE, char *path);
.fi
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.SH DESCRIPTION
Deprecated option. It serves no purpose anymore.
Pass a char * to a null-terminated file name. The file might be used to read
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from to seed the random engine for SSL and more.
The application does not have to keep the string around after setting this
option.
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.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
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.SH AVAILABILITY
If built with TLS enabled. Only the OpenSSL backend will use this, and only
with OpenSSL versions before 1.1.0.
This option was deprecated in 7.84.0.
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.SH RETURN VALUE
Returns CURLE_OK on success or
CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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.SH "SEE ALSO"
.BR CURLOPT_EGDSOCKET "(3), "