mirror of
https://github.com/python/cpython.git
synced 2024-11-28 16:45:42 +01:00
f2e9368021
svn+ssh://pythondev@svn.python.org/python/trunk ........ r66631 | amaury.forgeotdarc | 2008-09-27 00:34:08 +0200 (sam., 27 sept. 2008) | 7 lines #3967: Correct a crash in count() and find() methods of string-like objects. For example: "".count("xxxx", sys.maxint, 0) Reviewed by Benjamin Peterson. Will port to 2.5 and 3.0. ........
37 lines
713 B
C
37 lines
713 B
C
/* stringlib: count implementation */
|
|
|
|
#ifndef STRINGLIB_COUNT_H
|
|
#define STRINGLIB_COUNT_H
|
|
|
|
#ifndef STRINGLIB_FASTSEARCH_H
|
|
#error must include "stringlib/fastsearch.h" before including this module
|
|
#endif
|
|
|
|
Py_LOCAL_INLINE(Py_ssize_t)
|
|
stringlib_count(const STRINGLIB_CHAR* str, Py_ssize_t str_len,
|
|
const STRINGLIB_CHAR* sub, Py_ssize_t sub_len)
|
|
{
|
|
Py_ssize_t count;
|
|
|
|
if (str_len < 0)
|
|
return 0; /* start > len(str) */
|
|
if (sub_len == 0)
|
|
return str_len + 1;
|
|
|
|
count = fastsearch(str, str_len, sub, sub_len, FAST_COUNT);
|
|
|
|
if (count < 0)
|
|
count = 0; /* no match */
|
|
|
|
return count;
|
|
}
|
|
|
|
#endif
|
|
|
|
/*
|
|
Local variables:
|
|
c-basic-offset: 4
|
|
indent-tabs-mode: nil
|
|
End:
|
|
*/
|