[Python-checkins] cpython: simplify by shortcutting when the kind of the needle is larger than the haystack
benjamin.peterson
python-checkins at python.org
Sat May 12 00:41:31 CEST 2012
http://hg.python.org/cpython/rev/83da67651687
changeset: 76879:83da67651687
parent: 76877:626d5c6fbd95
user: Benjamin Peterson <benjamin at python.org>
date: Fri May 11 17:41:20 2012 -0500
summary:
simplify by shortcutting when the kind of the needle is larger than the haystack
files:
Objects/unicodeobject.c | 32 +++++++++-------------------
1 files changed, 11 insertions(+), 21 deletions(-)
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -9075,15 +9075,14 @@
kind1 = PyUnicode_KIND(str_obj);
kind2 = PyUnicode_KIND(sub_obj);
- kind = kind1 > kind2 ? kind1 : kind2;
+ kind = kind2;
buf1 = PyUnicode_DATA(str_obj);
- if (kind1 != kind)
- buf1 = _PyUnicode_AsKind(str_obj, kind);
- if (!buf1)
- goto onError;
buf2 = PyUnicode_DATA(sub_obj);
- if (kind2 != kind)
+ if (kind2 != kind) {
+ if (kind2 > kind)
+ return 0;
buf2 = _PyUnicode_AsKind(sub_obj, kind);
+ }
if (!buf2)
goto onError;
len1 = PyUnicode_GET_LENGTH(str_obj);
@@ -9122,8 +9121,6 @@
Py_DECREF(sub_obj);
Py_DECREF(str_obj);
- if (kind1 != kind)
- PyMem_Free(buf1);
if (kind2 != kind)
PyMem_Free(buf2);
@@ -9131,8 +9128,6 @@
onError:
Py_DECREF(sub_obj);
Py_DECREF(str_obj);
- if (kind1 != kind && buf1)
- PyMem_Free(buf1);
if (kind2 != kind && buf2)
PyMem_Free(buf2);
return -1;
@@ -10660,20 +10655,17 @@
kind1 = PyUnicode_KIND(str);
kind2 = PyUnicode_KIND(sub);
- kind = kind1 > kind2 ? kind1 : kind2;
+ kind = kind1;
buf1 = PyUnicode_DATA(str);
buf2 = PyUnicode_DATA(sub);
- if (kind1 != kind)
- buf1 = _PyUnicode_AsKind(str, kind);
- if (!buf1) {
- Py_DECREF(sub);
- return -1;
- }
- if (kind2 != kind)
+ if (kind2 != kind) {
+ if (kind2 > kind)
+ return 0;
buf2 = _PyUnicode_AsKind(sub, kind);
+ }
if (!buf2) {
Py_DECREF(sub);
- if (kind1 != kind) PyMem_Free(buf1);
+ Py_DECREF(str);
return -1;
}
len1 = PyUnicode_GET_LENGTH(str);
@@ -10697,8 +10689,6 @@
Py_DECREF(str);
Py_DECREF(sub);
- if (kind1 != kind)
- PyMem_Free(buf1);
if (kind2 != kind)
PyMem_Free(buf2);
--
Repository URL: http://hg.python.org/cpython
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