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simplify by shortcutting when the kind of the needle is larger than the haystack

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Benjamin Peterson 2012-05-11 17:41:20 -05:00
parent c049952de7
commit 1ff2e35e84
1 changed files with 11 additions and 21 deletions
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32
Objects/unicodeobject.c
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@ -9075,15 +9075,14 @@ PyUnicode_Count(PyObject *str,
kind1 = PyUnicode_KIND(str_obj); kind1 = PyUnicode_KIND(str_obj);
kind2 = PyUnicode_KIND(sub_obj); kind2 = PyUnicode_KIND(sub_obj);
kind = kind1 > kind2 ? kind1 : kind2; kind = kind2;
buf1 = PyUnicode_DATA(str_obj); buf1 = PyUnicode_DATA(str_obj);
if (kind1 != kind)
buf1 = _PyUnicode_AsKind(str_obj, kind);
if (!buf1)
goto onError;
buf2 = PyUnicode_DATA(sub_obj); buf2 = PyUnicode_DATA(sub_obj);
if (kind2 != kind) if (kind2 != kind) {
if (kind2 > kind)
return 0;
buf2 = _PyUnicode_AsKind(sub_obj, kind); buf2 = _PyUnicode_AsKind(sub_obj, kind);
}
if (!buf2) if (!buf2)
goto onError; goto onError;
len1 = PyUnicode_GET_LENGTH(str_obj); len1 = PyUnicode_GET_LENGTH(str_obj);
@ -9122,8 +9121,6 @@ PyUnicode_Count(PyObject *str,
Py_DECREF(sub_obj); Py_DECREF(sub_obj);
Py_DECREF(str_obj); Py_DECREF(str_obj);
if (kind1 != kind)
PyMem_Free(buf1);
if (kind2 != kind) if (kind2 != kind)
PyMem_Free(buf2); PyMem_Free(buf2);
@ -9131,8 +9128,6 @@ PyUnicode_Count(PyObject *str,
onError: onError:
Py_DECREF(sub_obj); Py_DECREF(sub_obj);
Py_DECREF(str_obj); Py_DECREF(str_obj);
if (kind1 != kind && buf1)
PyMem_Free(buf1);
if (kind2 != kind && buf2) if (kind2 != kind && buf2)
PyMem_Free(buf2); PyMem_Free(buf2);
return -1; return -1;
@ -10660,20 +10655,17 @@ PyUnicode_Contains(PyObject *container, PyObject *element)
kind1 = PyUnicode_KIND(str); kind1 = PyUnicode_KIND(str);
kind2 = PyUnicode_KIND(sub); kind2 = PyUnicode_KIND(sub);
kind = kind1 > kind2 ? kind1 : kind2; kind = kind1;
buf1 = PyUnicode_DATA(str); buf1 = PyUnicode_DATA(str);
buf2 = PyUnicode_DATA(sub); buf2 = PyUnicode_DATA(sub);
if (kind1 != kind) if (kind2 != kind) {
buf1 = _PyUnicode_AsKind(str, kind); if (kind2 > kind)
if (!buf1) { return 0;
Py_DECREF(sub);
return -1;
}
if (kind2 != kind)
buf2 = _PyUnicode_AsKind(sub, kind); buf2 = _PyUnicode_AsKind(sub, kind);
}
if (!buf2) { if (!buf2) {
Py_DECREF(sub); Py_DECREF(sub);
if (kind1 != kind) PyMem_Free(buf1); Py_DECREF(str);
return -1; return -1;
} }
len1 = PyUnicode_GET_LENGTH(str); len1 = PyUnicode_GET_LENGTH(str);
@ -10697,8 +10689,6 @@ PyUnicode_Contains(PyObject *container, PyObject *element)
Py_DECREF(str); Py_DECREF(str);
Py_DECREF(sub); Py_DECREF(sub);
if (kind1 != kind)
PyMem_Free(buf1);
if (kind2 != kind) if (kind2 != kind)
PyMem_Free(buf2); PyMem_Free(buf2);