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| author | Antoine Pitrou <solipsis@pitrou.net> | 2012-06-15 20:15:23 (GMT) |
|---|---|---|
| committer | Antoine Pitrou <solipsis@pitrou.net> | 2012-06-15 20:15:23 (GMT) |
| commit | 27f6a3b0bff9f100331707a4a461446ffc18baae (patch) | |
| tree | a90dd1ba1c9d07e8d612202e236ace147c433cd6 /Include/unicodeobject.h | |
| parent | 3049f1243ec85590f64962994f055da66c85a15e (diff) | |
| download | cpython-27f6a3b0bff9f100331707a4a461446ffc18baae.zip cpython-27f6a3b0bff9f100331707a4a461446ffc18baae.tar.gz cpython-27f6a3b0bff9f100331707a4a461446ffc18baae.tar.bz2 | |
Issue #15026: utf-16 encoding is now significantly faster (up to 10x).
Patch by Serhiy Storchaka.
Diffstat (limited to 'Include/unicodeobject.h')
| -rw-r--r-- | Include/unicodeobject.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Include/unicodeobject.h b/Include/unicodeobject.h index e40cc98..135e469 100644 --- a/Include/unicodeobject.h +++ b/Include/unicodeobject.h @@ -188,9 +188,9 @@ typedef unsigned char Py_UCS1; (((((Py_UCS4)(high) & 0x03FF) << 10) | \ ((Py_UCS4)(low) & 0x03FF)) + 0x10000) /* high surrogate = top 10 bits added to D800 */ -#define Py_UNICODE_HIGH_SURROGATE(ch) (0xD800 | (((ch) - 0x10000) >> 10)) +#define Py_UNICODE_HIGH_SURROGATE(ch) (0xD800 - (0x10000 >> 10) + ((ch) >> 10)) /* low surrogate = bottom 10 bits added to DC00 */ -#define Py_UNICODE_LOW_SURROGATE(ch) (0xDC00 | (((ch) - 0x10000) & 0x3FF)) +#define Py_UNICODE_LOW_SURROGATE(ch) (0xDC00 + ((ch) & 0x3FF)) /* Check if substring matches at given offset. The offset must be valid, and the substring must not be empty. */ |