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