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Get rid of a bogus assert when recv_into() is called with a zero-length

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buffer.  We just return 0 in this case now, like for all zero-length
reads.
This commit is contained in:
Guido van Rossum 2007-08-03 22:27:51 +00:00
parent 4a7fd90d9c
commit c2de7c03a0
1 changed files with 4 additions and 1 deletions
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5
Modules/socketmodule.c
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@ -2193,6 +2193,10 @@ sock_recv_guts(PySocketSockObject *s, char* cbuf, int len, int flags)
select_error(); select_error();
return -1; return -1;
} }
if (len == 0) {
/* If 0 bytes were requested, do nothing. */
return 0;
}
#ifndef __VMS #ifndef __VMS
Py_BEGIN_ALLOW_THREADS Py_BEGIN_ALLOW_THREADS
@ -2322,7 +2326,6 @@ sock_recv_into(PySocketSockObject *s, PyObject *args, PyObject *kwds)
if (!PyArg_ParseTupleAndKeywords(args, kwds, "w#|ii:recv_into", kwlist, if (!PyArg_ParseTupleAndKeywords(args, kwds, "w#|ii:recv_into", kwlist,
&buf, &buflen, &recvlen, &flags)) &buf, &buflen, &recvlen, &flags))
return NULL; return NULL;
assert(buf != 0 && buflen > 0);
if (recvlen < 0) { if (recvlen < 0) {
PyErr_SetString(PyExc_ValueError, PyErr_SetString(PyExc_ValueError,