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#![allow(missing_docs)]
#![allow(non_camel_case_types)]
#![allow(non_snake_case)]
use prelude::v1::*;
use ffi::{OsStr, OsString};
use io::{self, ErrorKind};
use libc;
use num::Zero;
use os::windows::ffi::{OsStrExt, OsStringExt};
use path::PathBuf;
use time::Duration;
#[macro_use] pub mod compat;
pub mod backtrace;
pub mod c;
pub mod condvar;
pub mod ext;
pub mod fs;
pub mod handle;
pub mod mutex;
pub mod net;
pub mod os;
pub mod os_str;
pub mod pipe;
pub mod process;
pub mod rwlock;
pub mod stack_overflow;
pub mod thread;
pub mod thread_local;
pub mod time;
pub mod stdio;
pub fn decode_error_kind(errno: i32) -> ErrorKind {
match errno as libc::c_int {
libc::ERROR_ACCESS_DENIED => ErrorKind::PermissionDenied,
libc::ERROR_ALREADY_EXISTS => ErrorKind::AlreadyExists,
libc::ERROR_BROKEN_PIPE => ErrorKind::BrokenPipe,
libc::ERROR_FILE_NOT_FOUND => ErrorKind::NotFound,
libc::ERROR_NO_DATA => ErrorKind::BrokenPipe,
libc::ERROR_OPERATION_ABORTED => ErrorKind::TimedOut,
libc::WSAEACCES => ErrorKind::PermissionDenied,
libc::WSAEADDRINUSE => ErrorKind::AddrInUse,
libc::WSAEADDRNOTAVAIL => ErrorKind::AddrNotAvailable,
libc::WSAECONNABORTED => ErrorKind::ConnectionAborted,
libc::WSAECONNREFUSED => ErrorKind::ConnectionRefused,
libc::WSAECONNRESET => ErrorKind::ConnectionReset,
libc::WSAEINVAL => ErrorKind::InvalidInput,
libc::WSAENOTCONN => ErrorKind::NotConnected,
libc::WSAEWOULDBLOCK => ErrorKind::WouldBlock,
libc::WSAETIMEDOUT => ErrorKind::TimedOut,
_ => ErrorKind::Other,
}
}
fn to_utf16_os(s: &OsStr) -> Vec<u16> {
let mut v: Vec<_> = s.encode_wide().collect();
v.push(0);
v
}
fn fill_utf16_buf<F1, F2, T>(mut f1: F1, f2: F2) -> io::Result<T>
where F1: FnMut(*mut u16, libc::DWORD) -> libc::DWORD,
F2: FnOnce(&[u16]) -> T
{
let mut stack_buf = [0u16; 512];
let mut heap_buf = Vec::new();
unsafe {
let mut n = stack_buf.len();
loop {
let buf = if n <= stack_buf.len() {
&mut stack_buf[..]
} else {
let extra = n - heap_buf.len();
heap_buf.reserve(extra);
heap_buf.set_len(n);
&mut heap_buf[..]
};
c::SetLastError(0);
let k = match f1(buf.as_mut_ptr(), n as libc::DWORD) {
0 if libc::GetLastError() == 0 => 0,
0 => return Err(io::Error::last_os_error()),
n => n,
} as usize;
if k == n && libc::GetLastError() ==
libc::ERROR_INSUFFICIENT_BUFFER as libc::DWORD {
n *= 2;
} else if k >= n {
n = k;
} else {
return Ok(f2(&buf[..k]))
}
}
}
}
fn os2path(s: &[u16]) -> PathBuf {
PathBuf::from(OsString::from_wide(s))
}
pub fn truncate_utf16_at_nul<'a>(v: &'a [u16]) -> &'a [u16] {
match v.iter().position(|c| *c == 0) {
Some(i) => &v[..i],
None => v
}
}
fn cvt<I: PartialEq + Zero>(i: I) -> io::Result<I> {
if i == I::zero() {
Err(io::Error::last_os_error())
} else {
Ok(i)
}
}
fn dur2timeout(dur: Duration) -> libc::DWORD {
dur.as_secs().checked_mul(1000).and_then(|ms| {
ms.checked_add((dur.subsec_nanos() as u64) / 1_000_000)
}).and_then(|ms| {
ms.checked_add(if dur.subsec_nanos() % 1_000_000 > 0 {1} else {0})
}).map(|ms| {
if ms > <libc::DWORD>::max_value() as u64 {
libc::INFINITE
} else {
ms as libc::DWORD
}
}).unwrap_or(libc::INFINITE)
}
fn ms_to_filetime(ms: u64) -> libc::FILETIME {
let ms = ms * 10000;
libc::FILETIME {
dwLowDateTime: ms as u32,
dwHighDateTime: (ms >> 32) as u32,
}
}