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Issue #9015, #9611: stdprinter.write() clamps the length to 2^31-1 on Windows

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This commit is contained in:
Victor Stinner 2011-01-04 13:15:39 +00:00
parent 0fcab4a3ed
commit dc5554008f
2 changed files with 10 additions and 4 deletions
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10
Objects/fileobject.c
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@ -344,7 +344,7 @@ stdprinter_new(PyTypeObject *type, PyObject *args, PyObject *kews)
}
static int
fileio_init(PyObject *self, PyObject *args, PyObject *kwds)
stdprinter_init(PyObject *self, PyObject *args, PyObject *kwds)
{
PyErr_SetString(PyExc_TypeError,
"cannot create 'stderrprinter' instances");
@ -390,7 +390,13 @@ stdprinter_write(PyStdPrinter_Object *self, PyObject *args)
Py_BEGIN_ALLOW_THREADS
errno = 0;
#if defined(MS_WIN64) || defined(MS_WINDOWS)
if (n > INT_MAX)
n = INT_MAX;
n = write(self->fd, c, (int)n);
#else
n = write(self->fd, c, n);
#endif
Py_END_ALLOW_THREADS
if (n < 0) {
@ -509,7 +515,7 @@ PyTypeObject PyStdPrinter_Type = {
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
fileio_init, /* tp_init */
stdprinter_init, /* tp_init */
PyType_GenericAlloc, /* tp_alloc */
stdprinter_new, /* tp_new */
PyObject_Del, /* tp_free */