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Issue #4071: ntpath.abspath returned an empty string for long unicode path.

This commit is contained in:
Hirokazu Yamamoto 2008-11-08 03:46:17 +00:00
parent 3d6f8ff81f
commit ed29bb49f8
1 changed files with 20 additions and 6 deletions
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26
Modules/posixmodule.c
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@ -2389,13 +2389,27 @@ posix__getfullpathname(PyObject *self, PyObject *args)
if (unicode_file_names()) {
PyUnicodeObject *po;
if (PyArg_ParseTuple(args, "U|:_getfullpathname", &po)) {
Py_UNICODE woutbuf[MAX_PATH*2];
Py_UNICODE *wpath = PyUnicode_AS_UNICODE(po);
Py_UNICODE woutbuf[MAX_PATH*2], *woutbufp = woutbuf;
Py_UNICODE *wtemp;
if (!GetFullPathNameW(PyUnicode_AS_UNICODE(po),
sizeof(woutbuf)/sizeof(woutbuf[0]),
woutbuf, &wtemp))
return win32_error("GetFullPathName", "");
return PyUnicode_FromUnicode(woutbuf, wcslen(woutbuf));
DWORD result;
PyObject *v;
result = GetFullPathNameW(wpath,
sizeof(woutbuf)/sizeof(woutbuf[0]),
woutbuf, &wtemp);
if (result > sizeof(woutbuf)/sizeof(woutbuf[0])) {
woutbufp = malloc(result * sizeof(Py_UNICODE));
if (!woutbufp)
return PyErr_NoMemory();
result = GetFullPathNameW(wpath, result, woutbufp, &wtemp);
}
if (result)
v = PyUnicode_FromUnicode(woutbufp, wcslen(woutbufp));
else
v = win32_error_unicode("GetFullPathNameW", wpath);
if (woutbufp != woutbuf)
free(woutbufp);
return v;
}
/* Drop the argument parsing error as narrow strings
are also valid. */