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Issue #23152: Implement _Py_fstat() to support files larger than 2 GB on Windows.

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fstat() may fail with EOVERFLOW on files larger than 2 GB because the file size type is an signed 32-bit integer.
This commit is contained in:
Steve Dower 2015-02-21 08:44:05 -08:00
parent 18d1924987
commit f2f373f593
12 changed files with 242 additions and 180 deletions
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7
Modules/signalmodule.c
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@ -503,13 +503,13 @@ signal_siginterrupt(PyObject *self, PyObject *args)
static PyObject *
signal_set_wakeup_fd(PyObject *self, PyObject *args)
{
struct _Py_stat_struct st;
#ifdef MS_WINDOWS
PyObject *fdobj;
SOCKET_T sockfd, old_sockfd;
int res;
int res_size = sizeof res;
PyObject *mod;
struct stat st;
int is_socket;
if (!PyArg_ParseTuple(args, "O:set_wakeup_fd", &fdobj))
@ -520,7 +520,6 @@ signal_set_wakeup_fd(PyObject *self, PyObject *args)
return NULL;
#else
int fd, old_fd;
struct stat st;
if (!PyArg_ParseTuple(args, "i:set_wakeup_fd", &fd))
return NULL;
@ -560,7 +559,7 @@ signal_set_wakeup_fd(PyObject *self, PyObject *args)
return NULL;
}
if (fstat(fd, &st) != 0) {
if (_Py_fstat(fd, &st) != 0) {
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
@ -592,7 +591,7 @@ signal_set_wakeup_fd(PyObject *self, PyObject *args)
return NULL;
}
if (fstat(fd, &st) != 0) {
if (_Py_fstat(fd, &st) != 0) {
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}