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-rw-r--r--Misc/NEWS4
-rw-r--r--Modules/fcntlmodule.c6
2 files changed, 7 insertions, 3 deletions
diff --git a/Misc/NEWS b/Misc/NEWS
index f168fa1..1bbec39 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -117,6 +117,10 @@ Core and builtins
Extension Modules
-----------------
+- Patch #1231069: The fcntl.ioctl function now uses the 'I' code for
+ the request code argument, which results in more C-like behaviour
+ for large or negative values.
+
- Bug #1234979: For the argument of thread.Lock.acquire, the Windows
implemented treated all integer values except 1 as false.
diff --git a/Modules/fcntlmodule.c b/Modules/fcntlmodule.c
index 54f3a2e..eb5189e 100644
--- a/Modules/fcntlmodule.c
+++ b/Modules/fcntlmodule.c
@@ -102,7 +102,7 @@ fcntl_ioctl(PyObject *self, PyObject *args)
int mutate_arg = 1;
char buf[1024];
- if (PyArg_ParseTuple(args, "O&iw#|i:ioctl",
+ if (PyArg_ParseTuple(args, "O&Iw#|i:ioctl",
conv_descriptor, &fd, &code,
&str, &len, &mutate_arg)) {
char *arg;
@@ -151,7 +151,7 @@ fcntl_ioctl(PyObject *self, PyObject *args)
}
PyErr_Clear();
- if (PyArg_ParseTuple(args, "O&is#:ioctl",
+ if (PyArg_ParseTuple(args, "O&Is#:ioctl",
conv_descriptor, &fd, &code, &str, &len)) {
if (len > sizeof buf) {
PyErr_SetString(PyExc_ValueError,
@@ -172,7 +172,7 @@ fcntl_ioctl(PyObject *self, PyObject *args)
PyErr_Clear();
arg = 0;
if (!PyArg_ParseTuple(args,
- "O&i|i;ioctl requires a file or file descriptor,"
+ "O&I|i;ioctl requires a file or file descriptor,"
" an integer and optionally a integer or buffer argument",
conv_descriptor, &fd, &code, &arg)) {
return NULL;