CMake/Tests/FindOpenSSL/rand/main.cc

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#include <openssl/rand.h>
int main()
{
// return value
int retval = 1;
// bytes buffer
unsigned char buf[1024];
// random bytes
int rezval = RAND_bytes(buf, sizeof(buf)); /* 1 succes, 0 otherwise */
// check result
if(rezval == 1)
{
retval = 0;
}
// return code
return retval;
}