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gh-43414: os.get_terminal_size() now uses the actual file descriptor on Windows instead of mapping to standard handles (#93203)

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Raghunandan Bhat 2022-07-28 18:48:33 -04:00 • committed by GitHub
parent 390847922c
commit edb72047f3
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3 changed files with 17 additions and 15 deletions
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17
Modules/posixmodule.c
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@ -13247,24 +13247,11 @@ os_get_terminal_size_impl(PyObject *module, int fd)
#ifdef TERMSIZE_USE_CONIO
{
DWORD nhandle;
HANDLE handle;
CONSOLE_SCREEN_BUFFER_INFO csbi;
switch (fd) {
case 0: nhandle = STD_INPUT_HANDLE;
break;
case 1: nhandle = STD_OUTPUT_HANDLE;
break;
case 2: nhandle = STD_ERROR_HANDLE;
break;
default:
return PyErr_Format(PyExc_ValueError, "bad file descriptor");
}
handle = GetStdHandle(nhandle);
if (handle == NULL)
return PyErr_Format(PyExc_OSError, "handle cannot be retrieved");
handle = _Py_get_osfhandle(fd);
if (handle == INVALID_HANDLE_VALUE)
return PyErr_SetFromWindowsErr(0);
return NULL;
if (!GetConsoleScreenBufferInfo(handle, &csbi))
return PyErr_SetFromWindowsErr(0);