Issue #27781: Fixes uninitialized fd when !MS_WINDOWS and !HAVE_OPENAT
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@ -7477,13 +7477,14 @@ os_open_impl(PyObject *module, path_t *path, int flags, int mode, int dir_fd)
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Py_BEGIN_ALLOW_THREADS
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#ifdef MS_WINDOWS
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fd = _wopen(path->wide, flags, mode);
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#endif
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#else
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#ifdef HAVE_OPENAT
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if (dir_fd != DEFAULT_DIR_FD)
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fd = openat(dir_fd, path->narrow, flags, mode);
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else
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#endif /* HAVE_OPENAT */
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fd = open(path->narrow, flags, mode);
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#endif
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#endif /* !MS_WINDOWS */
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Py_END_ALLOW_THREADS
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} while (fd < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
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_Py_END_SUPPRESS_IPH
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