Mercurial > cpython-lru_cache-weakref

annotate Objects/stringlib/count.h @ 48715:48dddfd2fbf3

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RPC_WSTR is not available Visual Studio 2003 or earlier. (Maybe I should have defined RPC_WSTR on old compiler, but uuidcreate() is only place using it, so I simply replaced with unsigned short *)
author Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp>
date Sun, 17 Aug 2008 07:26:26 +0000
parents 19fd6141940d
children 6403f1edecc1
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1 /* stringlib: count implementation */
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2
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3 #ifndef STRINGLIB_COUNT_H
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4 #define STRINGLIB_COUNT_H
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6 #ifndef STRINGLIB_FASTSEARCH_H
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7 #error must include "stringlib/fastsearch.h" before including this module
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8 #endif
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9
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10 Py_LOCAL_INLINE(Py_ssize_t)
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11 stringlib_count(const STRINGLIB_CHAR* str, Py_ssize_t str_len,
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12 const STRINGLIB_CHAR* sub, Py_ssize_t sub_len)
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13 {
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14 Py_ssize_t count;
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16 if (sub_len == 0) {
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17 if (str_len < 0)
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18 return 0; /* start > len(str) */
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19 return str_len + 1;
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20 }
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22 count = fastsearch(str, str_len, sub, sub_len, FAST_COUNT);
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24 if (count < 0)
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25 count = 0; /* no match */
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27 return count;
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28 }
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29
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30 #endif
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31
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32 /*
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33 Local variables:
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34 c-basic-offset: 4
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35 indent-tabs-mode: nil
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36 End:
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37 */