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Backport leak fix for new code objects.

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This commit is contained in:
Raymond Hettinger
2003-09-16 04:36:33 +00:00
parent 194e909154
commit c866ac776c
2 changed files with 18 additions and 17 deletions
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33
Python/compile.c
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@@ -104,6 +104,8 @@ code_new(PyTypeObject *type, PyObject *args, PyObject *kw)
int nlocals;
int stacksize;
int flags;
PyObject *co;
PyObject *empty = NULL;
PyObject *code;
PyObject *consts;
PyObject *names;
@@ -127,31 +129,28 @@ code_new(PyTypeObject *type, PyObject *args, PyObject *kw)
&PyTuple_Type, &cellvars))
return NULL;
if (freevars == NULL || cellvars == NULL) {
PyObject *empty = PyTuple_New(0);
if (empty == NULL)
return NULL;
if (freevars == NULL) {
freevars = empty;
Py_INCREF(freevars);
}
if (cellvars == NULL) {
cellvars = empty;
Py_INCREF(cellvars);
}
Py_DECREF(empty);
}
if (!PyObject_CheckReadBuffer(code)) {
PyErr_SetString(PyExc_TypeError,
"bytecode object must be a single-segment read-only buffer");
return NULL;
}
return (PyObject *)PyCode_New(argcount, nlocals, stacksize, flags,
if (freevars == NULL || cellvars == NULL) {
empty = PyTuple_New(0);
if (empty == NULL)
return NULL;
if (freevars == NULL)
freevars = empty;
if (cellvars == NULL)
cellvars = empty;
}
co = (PyObject *) PyCode_New(argcount, nlocals, stacksize, flags,
code, consts, names, varnames,
freevars, cellvars, filename, name,
firstlineno, lnotab);
firstlineno, lnotab);
Py_XDECREF(empty);
return co;
}
static void