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129 lines (116 loc) · 3.86 KB
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use super::os::errno_err;
use crate::{
builtins::{PyBytes, PyStrRef},
suppress_iph, PyObjectRef, PyRef, PyResult, VirtualMachine,
};
use itertools::Itertools;
use winapi::{
shared::minwindef::UINT,
um::{errhandlingapi::SetErrorMode, handleapi::INVALID_HANDLE_VALUE, winnt::HANDLE},
};
pub fn setmode_binary(fd: i32) {
unsafe { suppress_iph!(_setmode(fd, libc::O_BINARY)) };
}
pub fn get_errno() -> i32 {
let mut e = 0;
unsafe { suppress_iph!(_get_errno(&mut e)) };
e
}
extern "C" {
fn _get_errno(pValue: *mut i32) -> i32;
}
extern "C" {
fn _getch() -> i32;
fn _getwch() -> u32;
fn _getche() -> i32;
fn _getwche() -> u32;
fn _putch(c: u32) -> i32;
fn _putwch(c: u16) -> u32;
}
fn msvcrt_getch() -> Vec<u8> {
let c = unsafe { _getch() };
vec![c as u8]
}
fn msvcrt_getwch() -> String {
let c = unsafe { _getwch() };
std::char::from_u32(c).unwrap().to_string()
}
fn msvcrt_getche() -> Vec<u8> {
let c = unsafe { _getche() };
vec![c as u8]
}
fn msvcrt_getwche() -> String {
let c = unsafe { _getwche() };
std::char::from_u32(c).unwrap().to_string()
}
fn msvcrt_putch(b: PyRef<PyBytes>, vm: &VirtualMachine) -> PyResult<()> {
let &c = b.as_bytes().iter().exactly_one().map_err(|_| {
vm.new_type_error("putch() argument must be a byte string of length 1".to_owned())
})?;
unsafe { suppress_iph!(_putch(c.into())) };
Ok(())
}
fn msvcrt_putwch(s: PyStrRef, vm: &VirtualMachine) -> PyResult<()> {
let c = s.as_str().chars().exactly_one().map_err(|_| {
vm.new_type_error("putch() argument must be a string of length 1".to_owned())
})?;
unsafe { suppress_iph!(_putwch(c as u16)) };
Ok(())
}
extern "C" {
fn _setmode(fd: i32, flags: i32) -> i32;
}
fn msvcrt_setmode(fd: i32, flags: i32, vm: &VirtualMachine) -> PyResult<i32> {
let flags = unsafe { suppress_iph!(_setmode(fd, flags)) };
if flags == -1 {
Err(errno_err(vm))
} else {
Ok(flags)
}
}
extern "C" {
fn _open_osfhandle(osfhandle: isize, flags: i32) -> i32;
fn _get_osfhandle(fd: i32) -> libc::intptr_t;
}
fn msvcrt_open_osfhandle(handle: isize, flags: i32, vm: &VirtualMachine) -> PyResult<i32> {
let ret = unsafe { suppress_iph!(_open_osfhandle(handle, flags)) };
if ret == -1 {
Err(errno_err(vm))
} else {
Ok(ret)
}
}
fn msvcrt_get_osfhandle(fd: i32, vm: &VirtualMachine) -> PyResult<isize> {
let ret = unsafe { suppress_iph!(_get_osfhandle(fd)) };
if ret as HANDLE == INVALID_HANDLE_VALUE {
Err(errno_err(vm))
} else {
Ok(ret)
}
}
fn msvcrt_seterrormode(mode: UINT, _: &VirtualMachine) -> UINT {
unsafe { suppress_iph!(SetErrorMode(mode)) }
}
pub fn make_module(vm: &VirtualMachine) -> PyObjectRef {
use winapi::um::winbase::{
SEM_FAILCRITICALERRORS, SEM_NOALIGNMENTFAULTEXCEPT, SEM_NOGPFAULTERRORBOX,
SEM_NOOPENFILEERRORBOX,
};
let ctx = &vm.ctx;
py_module!(vm, "msvcrt", {
"getch" => named_function!(ctx, msvcrt, getch),
"getwch" => named_function!(ctx, msvcrt, getwch),
"getche" => named_function!(ctx, msvcrt, getche),
"getwche" => named_function!(ctx, msvcrt, getwche),
"putch" => named_function!(ctx, msvcrt, putch),
"putwch" => named_function!(ctx, msvcrt, putwch),
"setmode" => named_function!(ctx, msvcrt, setmode),
"open_osfhandle" => named_function!(ctx, msvcrt, open_osfhandle),
"get_osfhandle" => named_function!(ctx, msvcrt, get_osfhandle),
"SetErrorMode" => named_function!(ctx, msvcrt, seterrormode),
"SEM_FAILCRITICALERRORS" => ctx.new_int(SEM_FAILCRITICALERRORS),
"SEM_NOALIGNMENTFAULTEXCEPT" => ctx.new_int(SEM_NOALIGNMENTFAULTEXCEPT),
"SEM_NOGPFAULTERRORBOX" => ctx.new_int(SEM_NOGPFAULTERRORBOX),
"SEM_NOOPENFILEERRORBOX" => ctx.new_int(SEM_NOOPENFILEERRORBOX),
})
}