| /* 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 maxcount) |
| { |
| Py_ssize_t count; |
| |
| if (str_len < 0) |
| return 0; /* start > len(str) */ |
| if (sub_len == 0) |
| return (str_len < maxcount) ? str_len + 1 : maxcount; |
| |
| count = fastsearch(str, str_len, sub, sub_len, maxcount, FAST_COUNT); |
| |
| if (count < 0) |
| return 0; /* no match */ |
| |
| return count; |
| } |
| |
| #endif |