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) STRINGLIB(count)8STRINGLIB(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