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| 1 | +/* stringlib: count implementation */ | |
| 2 | + | |
| 3 | +#ifndef STRINGLIB_COUNT_H | |
| 4 | +#define STRINGLIB_COUNT_H | |
| 5 | + | |
| 6 | +#ifndef STRINGLIB_FASTSEARCH_H | |
| 7 | +#error must include "stringlib/fastsearch.h" before including this module | |
| 8 | +#endif | |
| 9 | + | |
| 10 | +Py_LOCAL_INLINE(Py_ssize_t) | |
| 11 | +stringlib_count(const STRINGLIB_CHAR* str, Py_ssize_t str_len, | |
| 12 | + const STRINGLIB_CHAR* sub, Py_ssize_t sub_len) | |
| 13 | +{ | |
| 14 | + Py_ssize_t count; | |
| 15 | + | |
| 16 | + if (sub_len == 0) { | |
| 17 | + if (str_len < 0) | |
| 18 | + return 0; /* start > len(str) */ | |
| 19 | + return str_len + 1; | |
| 20 | + } | |
| 21 | + | |
| 22 | + count = fastsearch(str, str_len, sub, sub_len, FAST_COUNT); | |
| 23 | + | |
| 24 | + if (count < 0) | |
| 25 | + count = 0; /* no match */ | |
| 26 | + | |
| 27 | + return count; | |
| 28 | +} | |
| 29 | + | |
| 30 | +#endif | |
| 31 | + | |
| 32 | +/* | |
| 33 | +Local variables: | |
| 34 | +c-basic-offset: 4 | |
| 35 | +indent-tabs-mode: nil | |
| 36 | +End: | |
| 37 | +*/ | |