diff options
Diffstat (limited to 'Objects/unicodeobject.c')
| -rw-r--r-- | Objects/unicodeobject.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c index d450b4df50..e9153c0de8 100644 --- a/Objects/unicodeobject.c +++ b/Objects/unicodeobject.c @@ -10304,8 +10304,19 @@ unicode_compare(PyObject *str1, PyObject *str2) COMPARE(Py_UCS2, Py_UCS1); break; case PyUnicode_2BYTE_KIND: + { +#if defined(HAVE_WMEMCMP) && SIZEOF_WCHAR_T == 2 + int cmp = wmemcmp((wchar_t *)data1, (wchar_t *)data2, len); + /* normalize result of wmemcmp() into the range [-1; 1] */ + if (cmp < 0) + return -1; + if (cmp > 0) + return 1; +#else COMPARE(Py_UCS2, Py_UCS2); +#endif break; + } case PyUnicode_4BYTE_KIND: COMPARE(Py_UCS2, Py_UCS4); break; @@ -10324,8 +10335,19 @@ unicode_compare(PyObject *str1, PyObject *str2) COMPARE(Py_UCS4, Py_UCS2); break; case PyUnicode_4BYTE_KIND: + { +#if defined(HAVE_WMEMCMP) && SIZEOF_WCHAR_T == 4 + int cmp = wmemcmp((wchar_t *)data1, (wchar_t *)data2, len); + /* normalize result of wmemcmp() into the range [-1; 1] */ + if (cmp < 0) + return -1; + if (cmp > 0) + return 1; +#else COMPARE(Py_UCS4, Py_UCS4); +#endif break; + } default: assert(0); } |