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// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
//! Logging
// NB: transitionary, de-mode-ing.
#[forbid(deprecated_mode)];
#[forbid(deprecated_pattern)];
use cast::transmute;
use io;
use libc;
use repr;
use vec;
#[nolink]
extern mod rustrt {
unsafe fn rust_log_console_on();
unsafe fn rust_log_console_off();
unsafe fn rust_log_str(level: u32,
string: *libc::c_char,
size: libc::size_t);
}
/// Turns on logging to stdout globally
pub fn console_on() {
unsafe {
rustrt::rust_log_console_on();
}
}
/**
* Turns off logging to stdout globally
*
* Turns off the console unless the user has overridden the
* runtime environment's logging spec, e.g. by setting
* the RUST_LOG environment variable
*/
pub fn console_off() {
unsafe {
rustrt::rust_log_console_off();
}
}
#[cfg(notest)]
#[lang="log_type"]
pub fn log_type<T>(level: u32, object: &T) {
let bytes = do io::with_bytes_writer |writer| {
repr::write_repr(writer, object);
};
unsafe {
let len = bytes.len() as libc::size_t;
rustrt::rust_log_str(level, transmute(vec::raw::to_ptr(bytes)), len);
}
}
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