Cleanup socketmodule.c

Issue #27744:

* PEP 7: add {...} around if blocks
* assign variables and then check their value in if() to make the code easier
  to read and to debug.
This commit is contained in:
Victor Stinner 2016-09-12 11:45:59 +02:00
parent eece2229e2
commit 288b5bf624

View File

@ -3920,21 +3920,33 @@ sock_sendmsg_iovec(PySocketSockObject *s, PyObject *data_arg,
/* Fill in an iovec for each message part, and save the Py_buffer
structs to release afterwards. */
if ((data_fast = PySequence_Fast(data_arg,
"sendmsg() argument 1 must be an "
"iterable")) == NULL)
data_fast = PySequence_Fast(data_arg,
"sendmsg() argument 1 must be an "
"iterable");
if (data_fast == NULL) {
goto finally;
}
ndataparts = PySequence_Fast_GET_SIZE(data_fast);
if (ndataparts > INT_MAX) {
PyErr_SetString(PyExc_OSError, "sendmsg() argument 1 is too long");
goto finally;
}
msg->msg_iovlen = ndataparts;
if (ndataparts > 0 &&
((msg->msg_iov = iovs = PyMem_New(struct iovec, ndataparts)) == NULL ||
(databufs = PyMem_New(Py_buffer, ndataparts)) == NULL)) {
PyErr_NoMemory();
goto finally;
if (ndataparts > 0) {
iovs = PyMem_New(struct iovec, ndataparts);
if (iovs == NULL) {
PyErr_NoMemory();
goto finally;
}
msg->msg_iov = iovs;
databufs = PyMem_New(Py_buffer, ndataparts);
if (iovs == NULL) {
PyErr_NoMemory();
goto finally;
}
}
for (; ndatabufs < ndataparts; ndatabufs++) {
if (!PyArg_Parse(PySequence_Fast_GET_ITEM(data_fast, ndatabufs),
@ -3970,7 +3982,7 @@ sock_sendmsg(PySocketSockObject *s, PyObject *args)
Py_ssize_t i, ndatabufs = 0, ncmsgs, ncmsgbufs = 0;
Py_buffer *databufs = NULL;
sock_addr_t addrbuf;
struct msghdr msg = {0};
struct msghdr msg;
struct cmsginfo {
int level;
int type;
@ -3984,8 +3996,11 @@ sock_sendmsg(PySocketSockObject *s, PyObject *args)
struct sock_sendmsg ctx;
if (!PyArg_ParseTuple(args, "O|OiO:sendmsg",
&data_arg, &cmsg_arg, &flags, &addr_arg))
&data_arg, &cmsg_arg, &flags, &addr_arg)) {
return NULL;
}
memset(&msg, 0, sizeof(msg));
/* Parse destination address. */
if (addr_arg != NULL && addr_arg != Py_None) {
@ -4189,8 +4204,11 @@ sock_sendmsg_afalg(PySocketSockObject *self, PyObject *args, PyObject *kwds)
"|O$O!y*O!i:sendmsg_afalg", keywords,
&data_arg,
&PyLong_Type, &opobj, &iv,
&PyLong_Type, &assoclenobj, &flags))
&PyLong_Type, &assoclenobj, &flags)) {
return NULL;
}
memset(&msg, 0, sizeof(msg));
/* op is a required, keyword-only argument >= 0 */
if (opobj != NULL) {
@ -4229,7 +4247,6 @@ sock_sendmsg_afalg(PySocketSockObject *self, PyObject *args, PyObject *kwds)
}
memset(controlbuf, 0, controllen);
memset(&msg, 0, sizeof(msg));
msg.msg_controllen = controllen;
msg.msg_control = controlbuf;
@ -4287,8 +4304,9 @@ sock_sendmsg_afalg(PySocketSockObject *self, PyObject *args, PyObject *kwds)
ctx.msg = &msg;
ctx.flags = flags;
if (sock_call(self, 1, sock_sendmsg_impl, &ctx) < 0)
if (sock_call(self, 1, sock_sendmsg_impl, &ctx) < 0) {
goto finally;
}
retval = PyLong_FromSsize_t(ctx.result);