[Python-checkins] cpython: and back to the "magic" formula (with a comment) it is
benjamin.peterson
python-checkins at python.org
Wed Nov 23 17:45:04 CET 2011
http://hg.python.org/cpython/rev/14c979556d43
changeset: 73728:14c979556d43
user: Benjamin Peterson <benjamin at python.org>
date: Wed Nov 23 10:44:52 2011 -0600
summary:
and back to the "magic" formula (with a comment) it is
files:
Objects/unicodeobject.c | 18 +++---------------
1 files changed, 3 insertions(+), 15 deletions(-)
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -6164,21 +6164,9 @@
kind = PyUnicode_KIND(unicode);
data = PyUnicode_DATA(unicode);
len = PyUnicode_GET_LENGTH(unicode);
- expandsize = 0;
- switch (kind) {
- case PyUnicode_1BYTE_KIND:
- expandsize = 4;
- break;
- case PyUnicode_2BYTE_KIND:
- expandsize = 6;
- break;
- case PyUnicode_4BYTE_KIND:
- expandsize = 10;
- break;
- default:
- assert(0);
- break;
- }
+ /* 4 byte characters can take up 10 bytes, 2 byte characters can take up 6
+ bytes, and 1 byte characters 4. */
+ expandsize = kind * 2 + 2;
if (len > PY_SSIZE_T_MAX / expandsize)
return PyErr_NoMemory();
--
Repository URL: http://hg.python.org/cpython
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