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| author | Victor Stinner <victor.stinner@haypocalc.com> | 2011-10-12 22:18:12 (GMT) |
|---|---|---|
| committer | Victor Stinner <victor.stinner@haypocalc.com> | 2011-10-12 22:18:12 (GMT) |
| commit | 9e7a1bcfd6737de148dd99c953e1d079ad3f239a (patch) | |
| tree | 8546c0605026040540f43bdb08565016d8ab667a | |
| parent | dd4e2f01537506d152684d5dfb87ea8e1e3c4a9c (diff) | |
| download | cpython-9e7a1bcfd6737de148dd99c953e1d079ad3f239a.zip cpython-9e7a1bcfd6737de148dd99c953e1d079ad3f239a.tar.gz cpython-9e7a1bcfd6737de148dd99c953e1d079ad3f239a.tar.bz2 | |
Optimize findchar() for PyUnicode_1BYTE_KIND: use memchr and memrchr
| -rw-r--r-- | Objects/unicodeobject.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c index e199a11..5766237 100644 --- a/Objects/unicodeobject.c +++ b/Objects/unicodeobject.c @@ -530,6 +530,14 @@ Py_LOCAL_INLINE(char *) findchar(void *s, int kind, { /* like wcschr, but doesn't stop at NULL characters */ Py_ssize_t i; + if (kind == 1) { + if (direction == 1) + return memchr(s, ch, size); +#ifdef HAVE_MEMRCHR + else + return memrchr(s, ch, size); +#endif + } if (direction == 1) { for(i = 0; i < size; i++) if (PyUnicode_READ(kind, s, i) == ch) |