Author: Armin Rigo <[email protected]>
Branch:
Changeset: r85743:a96b9413bfb3
Date: 2016-07-17 22:24 +0200
http://bitbucket.org/pypy/pypy/changeset/a96b9413bfb3/
Log: hg merge msvcrt-cffi
Rewrite the Win32 dependencies of 'subprocess' to use cffi instead
of ctypes. This avoids importing ctypes in many small programs and
scripts, which in turn avoids enabling threads (because ctypes
creates callbacks at import time, and callbacks need threads).
diff --git a/lib_pypy/_pypy_winbase_build.py b/lib_pypy/_pypy_winbase_build.py
new file mode 100644
--- /dev/null
+++ b/lib_pypy/_pypy_winbase_build.py
@@ -0,0 +1,83 @@
+# Note: uses the CFFI out-of-line ABI mode. We can't use the API
+# mode because ffi.compile() needs to run the compiler, which
+# needs 'subprocess', which needs 'msvcrt' already.
+
+# This module supports both msvcrt.py and _subprocess.py.
+
+from cffi import FFI
+
+ffi = FFI()
+
+ffi.set_source("_pypy_winbase_cffi", None)
+
+# ---------- MSVCRT ----------
+
+ffi.cdef("""
+typedef unsigned short wint_t;
+
+int _open_osfhandle(intptr_t osfhandle, int flags);
+intptr_t _get_osfhandle(int fd);
+int _setmode(int fd, int mode);
+int _locking(int fd, int mode, long nbytes);
+
+int _kbhit(void);
+int _getch(void);
+wint_t _getwch(void);
+int _getche(void);
+wint_t _getwche(void);
+int _putch(int);
+wint_t _putwch(wchar_t);
+int _ungetch(int);
+wint_t _ungetwch(wint_t);
+""")
+
+# ---------- SUBPROCESS ----------
+
+ffi.cdef("""
+typedef struct {
+ DWORD cb;
+ char * lpReserved;
+ char * lpDesktop;
+ char * lpTitle;
+ DWORD dwX;
+ DWORD dwY;
+ DWORD dwXSize;
+ DWORD dwYSize;
+ DWORD dwXCountChars;
+ DWORD dwYCountChars;
+ DWORD dwFillAttribute;
+ DWORD dwFlags;
+ WORD wShowWindow;
+ WORD cbReserved2;
+ LPBYTE lpReserved2;
+ HANDLE hStdInput;
+ HANDLE hStdOutput;
+ HANDLE hStdError;
+} STARTUPINFO, *LPSTARTUPINFO;
+
+typedef struct {
+ HANDLE hProcess;
+ HANDLE hThread;
+ DWORD dwProcessId;
+ DWORD dwThreadId;
+} PROCESS_INFORMATION, *LPPROCESS_INFORMATION;
+
+DWORD WINAPI GetVersion(void);
+BOOL WINAPI CreatePipe(PHANDLE, PHANDLE, void *, DWORD);
+BOOL WINAPI CloseHandle(HANDLE);
+HANDLE WINAPI GetCurrentProcess(void);
+BOOL WINAPI DuplicateHandle(HANDLE, HANDLE, HANDLE, LPHANDLE,
+ DWORD, BOOL, DWORD);
+BOOL WINAPI CreateProcessA(char *, char *, void *,
+ void *, BOOL, DWORD, char *,
+ char *, LPSTARTUPINFO, LPPROCESS_INFORMATION);
+DWORD WINAPI WaitForSingleObject(HANDLE, DWORD);
+BOOL WINAPI GetExitCodeProcess(HANDLE, LPDWORD);
+BOOL WINAPI TerminateProcess(HANDLE, UINT);
+HANDLE WINAPI GetStdHandle(DWORD);
+""")
+
+# --------------------
+
+if __name__ == "__main__":
+ ffi.compile()
diff --git a/lib_pypy/_pypy_winbase_cffi.py b/lib_pypy/_pypy_winbase_cffi.py
new file mode 100644
--- /dev/null
+++ b/lib_pypy/_pypy_winbase_cffi.py
@@ -0,0 +1,10 @@
+# auto-generated file
+import _cffi_backend
+
+ffi = _cffi_backend.FFI('_pypy_winbase_cffi',
+ _version = 0x2601,
+ _types =
b'\x00\x00\x01\x0D\x00\x00\x07\x01\x00\x00\x00\x0F\x00\x00\x01\x0D\x00\x00\x07\x01\x00\x00\x07\x01\x00\x00\x00\x0F\x00\x00\x01\x0D\x00\x00\x07\x01\x00\x00\x07\x01\x00\x00\x09\x01\x00\x00\x00\x0F\x00\x00\x01\x0D\x00\x00\x19\x01\x00\x00\x07\x01\x00\x00\x00\x0F\x00\x00\x01\x0D\x00\x00\x00\x0F\x00\x00\x01\x0D\x00\x00\x50\x03\x00\x00\x13\x11\x00\x00\x53\x03\x00\x00\x15\x11\x00\x00\x07\x01\x00\x00\x0A\x01\x00\x00\x13\x11\x00\x00\x13\x11\x00\x00\x4F\x03\x00\x00\x4E\x03\x00\x00\x02\x0F\x00\x00\x01\x0D\x00\x00\x15\x03\x00\x00\x1F\x11\x00\x00\x15\x11\x00\x00\x0A\x01\x00\x00\x02\x0F\x00\x00\x01\x0D\x00\x00\x15\x11\x00\x00\x02\x0F\x00\x00\x01\x0D\x00\x00\x15\x11\x00\x00\x08\x01\x00\x00\x02\x0F\x00\x00\x01\x0D\x00\x00\x15\x11\x00\x00\x18\x03\x00\x00\x02\x0F\x00\x00\x01\x0D\x00\x00\x15\x11\x00\x00\x15\x11\x00\x00\x15\x11\x00\x00\x1F\x11\x00\x00\x0A\x01\x00\x00\x07\x01\x00\x00\x0A\x01\x00\x00\x02\x0F\x00\x00\x0D\x0D\x00\x00\x07\x01\x00\x00\x00\x0F\x00\x00\x18\x0D\x00\x00\x15\x11\x00\x
00\x0A\x01\x00\x00\x02\x0F\x00\x00\x18\x0D\x00\x00\x02\x0F\x00\x00\x42\x0D\x00\x00\x06\x01\x00\x00\x00\x0F\x00\x00\x42\x0D\x00\x00\x00\x0F\x00\x00\x42\x0D\x00\x00\x10\x01\x00\x00\x00\x0F\x00\x00\x15\x0D\x00\x00\x0A\x01\x00\x00\x02\x0F\x00\x00\x15\x0D\x00\x00\x02\x0F\x00\x00\x00\x09\x00\x00\x01\x09\x00\x00\x02\x01\x00\x00\x52\x03\x00\x00\x04\x01\x00\x00\x00\x01',
+ _globals =
(b'\x00\x00\x24\x23CloseHandle',0,b'\x00\x00\x1E\x23CreatePipe',0,b'\x00\x00\x12\x23CreateProcessA',0,b'\x00\x00\x2F\x23DuplicateHandle',0,b'\x00\x00\x4C\x23GetCurrentProcess',0,b'\x00\x00\x2B\x23GetExitCodeProcess',0,b'\x00\x00\x49\x23GetStdHandle',0,b'\x00\x00\x3F\x23GetVersion',0,b'\x00\x00\x27\x23TerminateProcess',0,b'\x00\x00\x3B\x23WaitForSingleObject',0,b'\x00\x00\x38\x23_get_osfhandle',0,b'\x00\x00\x10\x23_getch',0,b'\x00\x00\x10\x23_getche',0,b'\x00\x00\x44\x23_getwch',0,b'\x00\x00\x44\x23_getwche',0,b'\x00\x00\x10\x23_kbhit',0,b'\x00\x00\x07\x23_locking',0,b'\x00\x00\x0C\x23_open_osfhandle',0,b'\x00\x00\x00\x23_putch',0,b'\x00\x00\x46\x23_putwch',0,b'\x00\x00\x03\x23_setmode',0,b'\x00\x00\x00\x23_ungetch',0,b'\x00\x00\x41\x23_ungetwch',0),
+ _struct_unions =
((b'\x00\x00\x00\x4E\x00\x00\x00\x02$PROCESS_INFORMATION',b'\x00\x00\x15\x11hProcess',b'\x00\x00\x15\x11hThread',b'\x00\x00\x18\x11dwProcessId',b'\x00\x00\x18\x11dwThreadId'),(b'\x00\x00\x00\x4F\x00\x00\x00\x02$STARTUPINFO',b'\x00\x00\x18\x11cb',b'\x00\x00\x13\x11lpReserved',b'\x00\x00\x13\x11lpDesktop',b'\x00\x00\x13\x11lpTitle',b'\x00\x00\x18\x11dwX',b'\x00\x00\x18\x11dwY',b'\x00\x00\x18\x11dwXSize',b'\x00\x00\x18\x11dwYSize',b'\x00\x00\x18\x11dwXCountChars',b'\x00\x00\x18\x11dwYCountChars',b'\x00\x00\x18\x11dwFillAttribute',b'\x00\x00\x18\x11dwFlags',b'\x00\x00\x42\x11wShowWindow',b'\x00\x00\x42\x11cbReserved2',b'\x00\x00\x51\x11lpReserved2',b'\x00\x00\x15\x11hStdInput',b'\x00\x00\x15\x11hStdOutput',b'\x00\x00\x15\x11hStdError')),
+ _typenames =
(b'\x00\x00\x00\x1CLPPROCESS_INFORMATION',b'\x00\x00\x00\x1BLPSTARTUPINFO',b'\x00\x00\x00\x4EPROCESS_INFORMATION',b'\x00\x00\x00\x4FSTARTUPINFO',b'\x00\x00\x00\x42wint_t'),
+)
diff --git a/lib_pypy/_subprocess.py b/lib_pypy/_subprocess.py
--- a/lib_pypy/_subprocess.py
+++ b/lib_pypy/_subprocess.py
@@ -10,148 +10,99 @@
# Declare external Win32 functions
-import ctypes
-
-_kernel32 = ctypes.WinDLL('kernel32')
-
-_CloseHandle = _kernel32.CloseHandle
-_CloseHandle.argtypes = [ctypes.c_int]
-_CloseHandle.restype = ctypes.c_int
-
-_CreatePipe = _kernel32.CreatePipe
-_CreatePipe.argtypes = [ctypes.POINTER(ctypes.c_int),
ctypes.POINTER(ctypes.c_int),
- ctypes.c_void_p, ctypes.c_int]
-_CreatePipe.restype = ctypes.c_int
-
-_GetCurrentProcess = _kernel32.GetCurrentProcess
-_GetCurrentProcess.argtypes = []
-_GetCurrentProcess.restype = ctypes.c_int
+from _pypy_winbase_cffi import ffi as _ffi
+_kernel32 = _ffi.dlopen('kernel32')
GetVersion = _kernel32.GetVersion
-GetVersion.argtypes = []
-GetVersion.restype = ctypes.c_int
-_DuplicateHandle = _kernel32.DuplicateHandle
-_DuplicateHandle.argtypes = [ctypes.c_int, ctypes.c_int, ctypes.c_int,
- ctypes.POINTER(ctypes.c_int),
- ctypes.c_int, ctypes.c_int, ctypes.c_int]
-_DuplicateHandle.restype = ctypes.c_int
-
-_WaitForSingleObject = _kernel32.WaitForSingleObject
-_WaitForSingleObject.argtypes = [ctypes.c_int, ctypes.c_uint]
-_WaitForSingleObject.restype = ctypes.c_int
-
-_GetExitCodeProcess = _kernel32.GetExitCodeProcess
-_GetExitCodeProcess.argtypes = [ctypes.c_int, ctypes.POINTER(ctypes.c_int)]
-_GetExitCodeProcess.restype = ctypes.c_int
-
-_TerminateProcess = _kernel32.TerminateProcess
-_TerminateProcess.argtypes = [ctypes.c_int, ctypes.c_int]
-_TerminateProcess.restype = ctypes.c_int
-
-_GetStdHandle = _kernel32.GetStdHandle
-_GetStdHandle.argtypes = [ctypes.c_int]
-_GetStdHandle.restype = ctypes.c_int
-
-class _STARTUPINFO(ctypes.Structure):
- _fields_ = [('cb', ctypes.c_int),
- ('lpReserved', ctypes.c_void_p),
- ('lpDesktop', ctypes.c_char_p),
- ('lpTitle', ctypes.c_char_p),
- ('dwX', ctypes.c_int),
- ('dwY', ctypes.c_int),
- ('dwXSize', ctypes.c_int),
- ('dwYSize', ctypes.c_int),
- ('dwXCountChars', ctypes.c_int),
- ('dwYCountChars', ctypes.c_int),
- ("dwFillAttribute", ctypes.c_int),
- ("dwFlags", ctypes.c_int),
- ("wShowWindow", ctypes.c_short),
- ("cbReserved2", ctypes.c_short),
- ("lpReserved2", ctypes.c_void_p),
- ("hStdInput", ctypes.c_int),
- ("hStdOutput", ctypes.c_int),
- ("hStdError", ctypes.c_int)
- ]
-
-class _PROCESS_INFORMATION(ctypes.Structure):
- _fields_ = [("hProcess", ctypes.c_int),
- ("hThread", ctypes.c_int),
- ("dwProcessID", ctypes.c_int),
- ("dwThreadID", ctypes.c_int)]
-
-_CreateProcess = _kernel32.CreateProcessA
-_CreateProcess.argtypes = [ctypes.c_char_p, ctypes.c_char_p, ctypes.c_void_p,
ctypes.c_void_p,
- ctypes.c_int, ctypes.c_int, ctypes.c_char_p,
ctypes.c_char_p,
- ctypes.POINTER(_STARTUPINFO),
ctypes.POINTER(_PROCESS_INFORMATION)]
-_CreateProcess.restype = ctypes.c_int
-
-del ctypes
# Now the _subprocess module implementation
-from ctypes import c_int as _c_int, byref as _byref, WinError as _WinError
+def _WinError():
+ code, message = _ffi.getwinerror()
+ raise WindowsError(code, message)
-class _handle:
- def __init__(self, handle):
- self.handle = handle
+_INVALID_HANDLE_VALUE = _ffi.cast("HANDLE", -1)
+
+class _handle(object):
+ def __init__(self, c_handle):
+ # 'c_handle' is a cffi cdata of type HANDLE, which is basically 'void
*'
+ self.c_handle = c_handle
+ if int(self) != -1:
+ self.c_handle = _ffi.gc(self.c_handle, _kernel32.CloseHandle)
def __int__(self):
- return self.handle
+ return int(_ffi.cast("intptr_t", self.c_handle))
- def __del__(self):
- if self.handle is not None:
- _CloseHandle(self.handle)
+ def __repr__(self):
+ return '<_subprocess.handle %d at 0x%x>' % (int(self), id(self))
def Detach(self):
- handle, self.handle = self.handle, None
- return handle
+ h = int(self)
+ if h != -1:
+ c_handle = self.c_handle
+ self.c_handle = _INVALID_HANDLE_VALUE
+ _ffi.gc(c_handle, None)
+ return h
def Close(self):
- if self.handle not in (-1, None):
- _CloseHandle(self.handle)
- self.handle = None
+ if int(self) != -1:
+ c_handle = self.c_handle
+ self.c_handle = _INVALID_HANDLE_VALUE
+ _ffi.gc(c_handle, None)
+ _kernel32.CloseHandle(c_handle)
def CreatePipe(attributes, size):
- read = _c_int()
- write = _c_int()
+ handles = _ffi.new("HANDLE[2]")
- res = _CreatePipe(_byref(read), _byref(write), None, size)
+ res = _kernel32.CreatePipe(handles, handles + 1, _ffi.NULL, size)
if not res:
raise _WinError()
- return _handle(read.value), _handle(write.value)
+ return _handle(handles[0]), _handle(handles[1])
def GetCurrentProcess():
- return _handle(_GetCurrentProcess())
+ return _handle(_kernel32.GetCurrentProcess())
def DuplicateHandle(source_process, source, target_process, access, inherit,
options=0):
- target = _c_int()
+ # CPython: the first three arguments are expected to be integers
+ target = _ffi.new("HANDLE[1]")
- res = _DuplicateHandle(int(source_process), int(source),
int(target_process),
- _byref(target),
- access, inherit, options)
+ res = _kernel32.DuplicateHandle(
+ _ffi.cast("HANDLE", source_process),
+ _ffi.cast("HANDLE", source),
+ _ffi.cast("HANDLE", target_process),
+ target, access, inherit, options)
if not res:
raise _WinError()
- return _handle(target.value)
+ return _handle(target[0])
+
+def _z(input):
+ if input is None:
+ return _ffi.NULL
+ if isinstance(input, basestring):
+ return str(input)
+ raise TypeError("string/unicode/None expected, got %r" % (
+ type(input).__name__,))
def CreateProcess(name, command_line, process_attr, thread_attr,
inherit, flags, env, start_dir, startup_info):
- si = _STARTUPINFO()
+ si = _ffi.new("STARTUPINFO *")
if startup_info is not None:
si.dwFlags = startup_info.dwFlags
si.wShowWindow = startup_info.wShowWindow
+ # CPython: these three handles are expected to be _handle objects
if startup_info.hStdInput:
- si.hStdInput = int(startup_info.hStdInput)
+ si.hStdInput = startup_info.hStdInput.c_handle
if startup_info.hStdOutput:
- si.hStdOutput = int(startup_info.hStdOutput)
+ si.hStdOutput = startup_info.hStdOutput.c_handle
if startup_info.hStdError:
- si.hStdError = int(startup_info.hStdError)
+ si.hStdError = startup_info.hStdError.c_handle
- pi = _PROCESS_INFORMATION()
+ pi = _ffi.new("PROCESS_INFORMATION *")
if env is not None:
envbuf = ""
@@ -159,47 +110,55 @@
envbuf += "%s=%s\0" % (k, v)
envbuf += '\0'
else:
- envbuf = None
+ envbuf = _ffi.NULL
- res = _CreateProcess(name, command_line, None, None, inherit, flags,
envbuf,
- start_dir, _byref(si), _byref(pi))
+ res = _kernel32.CreateProcessA(_z(name), _z(command_line), _ffi.NULL,
+ _ffi.NULL, inherit, flags, envbuf,
+ _z(start_dir), si, pi)
if not res:
raise _WinError()
- return _handle(pi.hProcess), _handle(pi.hThread), pi.dwProcessID,
pi.dwThreadID
+ return _handle(pi.hProcess), _handle(pi.hThread), pi.dwProcessId,
pi.dwThreadId
def WaitForSingleObject(handle, milliseconds):
- res = _WaitForSingleObject(int(handle), milliseconds)
-
+ # CPython: the first argument is expected to be an integer.
+ res = _kernel32.WaitForSingleObject(_ffi.cast("HANDLE", handle),
+ milliseconds)
if res < 0:
raise _WinError()
return res
def GetExitCodeProcess(handle):
- code = _c_int()
+ # CPython: the first argument is expected to be an integer.
+ code = _ffi.new("DWORD[1]")
- res = _GetExitCodeProcess(int(handle), _byref(code))
+ res = _kernel32.GetExitCodeProcess(_ffi.cast("HANDLE", handle), code)
if not res:
raise _WinError()
- return code.value
+ return code[0]
def TerminateProcess(handle, exitcode):
- res = _TerminateProcess(int(handle), exitcode)
+ # CPython: the first argument is expected to be an integer.
+ # The second argument is silently wrapped in a UINT.
+ res = _kernel32.TerminateProcess(_ffi.cast("HANDLE", handle),
+ _ffi.cast("UINT", exitcode))
if not res:
raise _WinError()
def GetStdHandle(stdhandle):
- res = _GetStdHandle(stdhandle)
+ stdhandle = _ffi.cast("DWORD", stdhandle)
+ res = _kernel32.GetStdHandle(stdhandle)
if not res:
return None
else:
- return res
+ # note: returns integer, not handle object
+ return int(_ffi.cast("intptr_t", res))
STD_INPUT_HANDLE = -10
STD_OUTPUT_HANDLE = -11
diff --git a/lib_pypy/cffi/_pycparser/__init__.py
b/lib_pypy/cffi/_pycparser/__init__.py
--- a/lib_pypy/cffi/_pycparser/__init__.py
+++ b/lib_pypy/cffi/_pycparser/__init__.py
@@ -10,7 +10,6 @@
__all__ = ['c_lexer', 'c_parser', 'c_ast']
__version__ = '2.14'
-from subprocess import Popen, PIPE
from .c_parser import CParser
@@ -28,6 +27,7 @@
When successful, returns the preprocessed file's contents.
Errors from cpp will be printed out.
"""
+ from subprocess import Popen, PIPE
path_list = [cpp_path]
if isinstance(cpp_args, list):
path_list += cpp_args
diff --git a/lib_pypy/msvcrt.py b/lib_pypy/msvcrt.py
--- a/lib_pypy/msvcrt.py
+++ b/lib_pypy/msvcrt.py
@@ -7,26 +7,39 @@
# XXX incomplete: implemented only functions needed by subprocess.py
# PAC: 2010/08 added MS locking for Whoosh
-import ctypes
+# 07/2016: rewrote in CFFI
+
+import sys
+if sys.platform != 'win32':
+ raise ImportError("The 'msvcrt' module is only available on Windows")
+
+import _rawffi
+from _pypy_winbase_cffi import ffi as _ffi
+_lib = _ffi.dlopen(_rawffi.get_libc().name)
+
import errno
-from ctypes_support import standard_c_lib as _c
-from ctypes_support import get_errno
-
-try:
- open_osfhandle = _c._open_osfhandle
-except AttributeError: # we are not on windows
- raise ImportError
try: from __pypy__ import builtinify, validate_fd
except ImportError: builtinify = validate_fd = lambda f: f
-open_osfhandle.argtypes = [ctypes.c_int, ctypes.c_int]
-open_osfhandle.restype = ctypes.c_int
+def _ioerr():
+ e = _ffi.errno
+ raise IOError(e, errno.errorcode[e])
-_get_osfhandle = _c._get_osfhandle
-_get_osfhandle.argtypes = [ctypes.c_int]
-_get_osfhandle.restype = ctypes.c_int
+
+@builtinify
+def open_osfhandle(fd, flags):
+ """"open_osfhandle(handle, flags) -> file descriptor
+
+ Create a C runtime file descriptor from the file handle handle. The
+ flags parameter should be a bitwise OR of os.O_APPEND, os.O_RDONLY,
+ and os.O_TEXT. The returned file descriptor may be used as a parameter
+ to os.fdopen() to create a file object."""
+ fd = _lib._open_osfhandle(fd, flags)
+ if fd == -1:
+ _ioerr()
+ return fd
@builtinify
def get_osfhandle(fd):
@@ -38,62 +51,74 @@
validate_fd(fd)
except OSError as e:
raise IOError(*e.args)
- return _get_osfhandle(fd)
+ result = _lib._get_osfhandle(fd)
+ if result == -1:
+ _ioerr()
+ return result
-setmode = _c._setmode
-setmode.argtypes = [ctypes.c_int, ctypes.c_int]
-setmode.restype = ctypes.c_int
+@builtinify
+def setmode(fd, flags):
+ """setmode(fd, mode) -> Previous mode
+
+ Set the line-end translation mode for the file descriptor fd. To set
+ it to text mode, flags should be os.O_TEXT; for binary, it should be
+ os.O_BINARY."""
+ flags = _lib._setmode(fd, flags)
+ if flags == -1:
+ _ioerr()
+ return flags
LK_UNLCK, LK_LOCK, LK_NBLCK, LK_RLCK, LK_NBRLCK = range(5)
-_locking = _c._locking
-_locking.argtypes = [ctypes.c_int, ctypes.c_int, ctypes.c_int]
-_locking.restype = ctypes.c_int
-
@builtinify
def locking(fd, mode, nbytes):
- '''lock or unlock a number of bytes in a file.'''
- rv = _locking(fd, mode, nbytes)
+ """"locking(fd, mode, nbytes) -> None
+
+ Lock part of a file based on file descriptor fd from the C runtime.
+ Raises IOError on failure. The locked region of the file extends from
+ the current file position for nbytes bytes, and may continue beyond
+ the end of the file. mode must be one of the LK_* constants listed
+ below. Multiple regions in a file may be locked at the same time, but
+ may not overlap. Adjacent regions are not merged; they must be unlocked
+ individually."""
+ rv = _lib._locking(fd, mode, nbytes)
if rv != 0:
- e = get_errno()
- raise IOError(e, errno.errorcode[e])
+ _ioerr()
# Console I/O routines
-kbhit = _c._kbhit
-kbhit.argtypes = []
-kbhit.restype = ctypes.c_int
+kbhit = _lib._kbhit
-getch = _c._getch
-getch.argtypes = []
-getch.restype = ctypes.c_char
+@builtinify
+def getch():
+ return chr(_lib._getch())
-getwch = _c._getwch
-getwch.argtypes = []
-getwch.restype = ctypes.c_wchar
+@builtinify
+def getwch():
+ return unichr(_lib._getwch())
-getche = _c._getche
-getche.argtypes = []
-getche.restype = ctypes.c_char
+@builtinify
+def getche():
+ return chr(_lib._getche())
-getwche = _c._getwche
-getwche.argtypes = []
-getwche.restype = ctypes.c_wchar
+@builtinify
+def getwche():
+ return unichr(_lib._getwche())
-putch = _c._putch
-putch.argtypes = [ctypes.c_char]
-putch.restype = None
+@builtinify
+def putch(ch):
+ _lib._putch(ord(ch))
-putwch = _c._putwch
-putwch.argtypes = [ctypes.c_wchar]
-putwch.restype = None
+@builtinify
+def putwch(ch):
+ _lib._putwch(ord(ch))
-ungetch = _c._ungetch
-ungetch.argtypes = [ctypes.c_char]
-ungetch.restype = None
+@builtinify
+def ungetch(ch):
+ if _lib._ungetch(ord(ch)) == -1: # EOF
+ _ioerr()
-ungetwch = _c._ungetwch
-ungetwch.argtypes = [ctypes.c_wchar]
-ungetwch.restype = None
-
-del ctypes
+@builtinify
+def ungetwch(ch):
+ if _lib._ungetwch(ord(ch)) == -1: # EOF
+ _ioerr()
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