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extern crate libc;
use std::sync::{Once, ONCE_INIT};
pub mod db;
pub mod engine;
mod error;
mod ffi;
pub mod scan_settings;
pub mod version;
pub use error::ClamError;
pub fn initialize() -> Result<(), ClamError> {
static ONCE: Once = ONCE_INIT;
static mut RESULT: ffi::cl_error = ffi::cl_error::CL_SUCCESS;
unsafe {
ONCE.call_once(|| {
RESULT = ffi::cl_init(ffi::CL_INIT_DEFAULT);
if RESULT == ffi::cl_error::CL_SUCCESS {
ffi::cl_initialize_crypto();
libc::atexit(cleanup);
}
});
extern "C" fn cleanup() {
unsafe {
ffi::cl_cleanup_crypto();
}
}
match RESULT {
ffi::cl_error::CL_SUCCESS => Ok(()),
_ => Err(ClamError::new(RESULT)),
}
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn initialize_success() {
assert!(initialize().is_ok(), "initialize should succeed");
}
}