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