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Issue #24821: Refactor STRINGLIB(fastsearch_memchr_1char) and split it on

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STRINGLIB(find_char) and STRINGLIB(rfind_char) that can be used independedly
without special preconditions.
This commit is contained in:
Serhiy Storchaka 2015-11-14 15:42:17 +02:00
parent 0304729ec4
commit 413fdcea21
4 changed files with 124 additions and 103 deletions
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19
Objects/bytesobject.c
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@ -1937,16 +1937,15 @@ bytes_find_internal(PyBytesObject *self, PyObject *args, int dir)
ADJUST_INDICES(start, end, len);
if (end - start < sub_len)
res = -1;
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, mode);
else if (sub_len == 1) {
if (dir > 0)
res = stringlib_find_char(
PyBytes_AS_STRING(self) + start, end - start,
*sub);
else
res = stringlib_rfind_char(
PyBytes_AS_STRING(self) + start, end - start,
*sub);
if (res >= 0)
res += start;
}