mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-10-08 16:11:51 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 16

Issue #23573: Restored optimization of bytes.rfind() and bytearray.rfind()

Browse source 
for single-byte argument on Linux.
This commit is contained in:
Serhiy Storchaka 2015-07-20 22:58:02 +03:00
parent 3d0b8422bc
commit d92d4efe3d
3 changed files with 17 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

10
Objects/bytesobject.c
View file

@ -1815,12 +1815,16 @@ bytes_find_internal(PyBytesObject *self, PyObject *args, int dir)
ADJUST_INDICES(start, end, len);
if (end - start < sub_len)
res = -1;
/* Issue #23573: FIXME, windows has no memrchr() */
else if (sub_len == 1 && dir > 0) {
else if (sub_len == 1
#ifndef HAVE_MEMRCHR
&& dir > 0
#endif
) {
unsigned char needle = *sub;
int mode = (dir > 0) ? FAST_SEARCH : FAST_RSEARCH;
res = stringlib_fastsearch_memchr_1char(
PyBytes_AS_STRING(self) + start, end - start,
needle, needle, FAST_SEARCH);
needle, needle, mode);
if (res >= 0)
res += start;
}