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| author | Neal Norwitz <nnorwitz@gmail.com> | 2002-06-13 21:11:11 (GMT) |
|---|---|---|
| committer | Neal Norwitz <nnorwitz@gmail.com> | 2002-06-13 21:11:11 (GMT) |
| commit | 35fc7606f076f507bd25acaf464e83c75c3756f4 (patch) | |
| tree | 30ac7b6223407e2660a1c7d542f01a1560b407d0 /Objects/listobject.c | |
| parent | 606edc1d971a0c5e4f5d379ecfa69f42b5b1d691 (diff) | |
| download | cpython-35fc7606f076f507bd25acaf464e83c75c3756f4.zip cpython-35fc7606f076f507bd25acaf464e83c75c3756f4.tar.gz cpython-35fc7606f076f507bd25acaf464e83c75c3756f4.tar.bz2 | |
SF #561244 Micro optimizations
Convert loops to memset()s.
Diffstat (limited to 'Objects/listobject.c')
| -rw-r--r-- | Objects/listobject.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/Objects/listobject.c b/Objects/listobject.c index f29774e..78cc679 100644 --- a/Objects/listobject.c +++ b/Objects/listobject.c @@ -56,7 +56,6 @@ do { \ PyObject * PyList_New(int size) { - int i; PyListObject *op; size_t nbytes; if (size < 0) { @@ -80,10 +79,9 @@ PyList_New(int size) if (op->ob_item == NULL) { return PyErr_NoMemory(); } + memset(op->ob_item, 0, sizeof(*op->ob_item) * size); } op->ob_size = size; - for (i = 0; i < size; i++) - op->ob_item[i] = NULL; _PyObject_GC_TRACK(op); return (PyObject *) op; } @@ -1576,8 +1574,7 @@ list_fill(PyListObject *result, PyObject *v) PyErr_NoMemory(); goto error; } - for (i = 0; i < n; i++) - result->ob_item[i] = NULL; + memset(result->ob_item, 0, sizeof(*result->ob_item) * n); result->ob_size = n; /* Run iterator to exhaustion. */ |