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 Py_ssize_t maxcount) 14 { 15 Py_ssize_t count; 16 17 if (str_len < 0) 18 return 0; /* start > len(str) */ 19 if (sub_len == 0) 20 return (str_len < maxcount) ? str_len + 1 : maxcount; 21 22 count = fastsearch(str, str_len, sub, sub_len, maxcount, FAST_COUNT); 23 24 if (count < 0) 25 return 0; /* no match */ 26 27 return count; 28 } 29 30 #endif 31
