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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 | */ | ||