From 593bb30e82eded7f2ec02f7d1aa49742e6962113 Mon Sep 17 00:00:00 2001 From: Sergey Fedoseev Date: Fri, 7 Sep 2018 09:54:49 +0500 Subject: closes bpo-34599: Improve performance of _Py_bytes_capitalize(). (GH-9083) --- Objects/bytes_methods.c | 20 +++----------------- 1 file changed, 3 insertions(+), 17 deletions(-) diff --git a/Objects/bytes_methods.c b/Objects/bytes_methods.c index 05679e3..37c5f7d 100644 --- a/Objects/bytes_methods.c +++ b/Objects/bytes_methods.c @@ -361,23 +361,9 @@ and the rest lower-cased."); void _Py_bytes_capitalize(char *result, const char *s, Py_ssize_t len) { - Py_ssize_t i; - - if (0 < len) { - int c = Py_CHARMASK(*s++); - if (Py_ISLOWER(c)) - *result = Py_TOUPPER(c); - else - *result = c; - result++; - } - for (i = 1; i < len; i++) { - int c = Py_CHARMASK(*s++); - if (Py_ISUPPER(c)) - *result = Py_TOLOWER(c); - else - *result = c; - result++; + if (len > 0) { + *result = Py_TOUPPER(*s); + _Py_bytes_lower(result + 1, s + 1, len - 1); } } -- cgit v0.12