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Refactor the Windows specific and POSIX specific implementations of 

listdir into two separate coherent functions rather than interleaved
#ifdef's.
This commit is contained in:
Gregory P. Smith 2013-03-20 18:51:33 -07:00
parent e25df59427
commit 16ea14a690
1 changed files with 46 additions and 23 deletions
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69
Modules/posixmodule.c
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@ -3249,15 +3249,14 @@ On some platforms, path may also be specified as an open file descriptor;\n\
the file descriptor must refer to a directory.\n\
If this functionality is unavailable, using it raises NotImplementedError.");
#if defined(MS_WINDOWS) && !defined(HAVE_OPENDIR)
static PyObject *
posix_listdir(PyObject *self, PyObject *args, PyObject *kwargs)
_listdir_windows_no_opendir(PyObject *self, PyObject *args, PyObject *kwargs)
{
path_t path;
PyObject *list = NULL;
static char *keywords[] = {"path", NULL};
int fd = -1;
#if defined(MS_WINDOWS) && !defined(HAVE_OPENDIR)
PyObject *v;
HANDLE hFindFile = INVALID_HANDLE_VALUE;
BOOL result;
@ -3268,28 +3267,16 @@ posix_listdir(PyObject *self, PyObject *args, PyObject *kwargs)
Py_ssize_t len = sizeof(namebuf)-5;
PyObject *po = NULL;
wchar_t *wnamebuf = NULL;
#else
PyObject *v;
DIR *dirp = NULL;
struct dirent *ep;
int return_str; /* if false, return bytes */
#endif
memset(&path, 0, sizeof(path));
path.function_name = "listdir";
path.nullable = 1;
#ifdef HAVE_FDOPENDIR
path.allow_fd = 1;
path.fd = -1;
#endif
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|O&:listdir", keywords,
path_converter, &path
))
return NULL;
/* XXX Should redo this putting the (now four) versions of opendir
in separate files instead of having them all here... */
#if defined(MS_WINDOWS) && !defined(HAVE_OPENDIR)
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|O&:listdir", keywords,
path_converter, &path)) {
return NULL;
}
if (!path.narrow) {
WIN32_FIND_DATAW wFileData;
wchar_t *po_wchars;
@ -3429,7 +3416,34 @@ exit:
return list;
#else
} /* end of _listdir_windows_no_opendir */
#else /* thus POSIX, ie: not (MS_WINDOWS and not HAVE_OPENDIR) */
static PyObject *
_posix_listdir(PyObject *self, PyObject *args, PyObject *kwargs)
{
path_t path;
PyObject *list = NULL;
static char *keywords[] = {"path", NULL};
int fd = -1;
PyObject *v;
DIR *dirp = NULL;
struct dirent *ep;
int return_str; /* if false, return bytes */
memset(&path, 0, sizeof(path));
path.function_name = "listdir";
path.nullable = 1;
#ifdef HAVE_FDOPENDIR
path.allow_fd = 1;
path.fd = -1;
#endif
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|O&:listdir", keywords,
path_converter, &path)) {
return NULL;
}
errno = 0;
#ifdef HAVE_FDOPENDIR
@ -3522,9 +3536,18 @@ exit:
path_cleanup(&path);
return list;
} /* end of _posix_listdir */
#endif /* which OS */
#endif /* which OS */
} /* end of posix_listdir */
static PyObject *
posix_listdir(PyObject *self, PyObject *args, PyObject *kwargs)
{
#if defined(MS_WINDOWS) && !defined(HAVE_OPENDIR)
return _listdir_windows_no_opendir(self, args, kwargs);
#else
return _posix_listdir(self, args, kwargs);
#endif
}
#ifdef MS_WINDOWS
/* A helper function for abspath on win32 */