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4710c53d | 1 | /* stringlib: count implementation */\r |
2 | \r | |
3 | #ifndef STRINGLIB_COUNT_H\r | |
4 | #define STRINGLIB_COUNT_H\r | |
5 | \r | |
6 | #ifndef STRINGLIB_FASTSEARCH_H\r | |
7 | #error must include "stringlib/fastsearch.h" before including this module\r | |
8 | #endif\r | |
9 | \r | |
10 | Py_LOCAL_INLINE(Py_ssize_t)\r | |
11 | stringlib_count(const STRINGLIB_CHAR* str, Py_ssize_t str_len,\r | |
12 | const STRINGLIB_CHAR* sub, Py_ssize_t sub_len,\r | |
13 | Py_ssize_t maxcount)\r | |
14 | {\r | |
15 | Py_ssize_t count;\r | |
16 | \r | |
17 | if (str_len < 0)\r | |
18 | return 0; /* start > len(str) */\r | |
19 | if (sub_len == 0)\r | |
20 | return (str_len < maxcount) ? str_len + 1 : maxcount;\r | |
21 | \r | |
22 | count = fastsearch(str, str_len, sub, sub_len, maxcount, FAST_COUNT);\r | |
23 | \r | |
24 | if (count < 0)\r | |
25 | return 0; /* no match */\r | |
26 | \r | |
27 | return count;\r | |
28 | }\r | |
29 | \r | |
30 | #endif\r |