17db96d56Sopenharmony_ci/* stringlib: count implementation */ 27db96d56Sopenharmony_ci 37db96d56Sopenharmony_ci#ifndef STRINGLIB_FASTSEARCH_H 47db96d56Sopenharmony_ci#error must include "stringlib/fastsearch.h" before including this module 57db96d56Sopenharmony_ci#endif 67db96d56Sopenharmony_ci 77db96d56Sopenharmony_ciPy_LOCAL_INLINE(Py_ssize_t) 87db96d56Sopenharmony_ciSTRINGLIB(count)(const STRINGLIB_CHAR* str, Py_ssize_t str_len, 97db96d56Sopenharmony_ci const STRINGLIB_CHAR* sub, Py_ssize_t sub_len, 107db96d56Sopenharmony_ci Py_ssize_t maxcount) 117db96d56Sopenharmony_ci{ 127db96d56Sopenharmony_ci Py_ssize_t count; 137db96d56Sopenharmony_ci 147db96d56Sopenharmony_ci if (str_len < 0) 157db96d56Sopenharmony_ci return 0; /* start > len(str) */ 167db96d56Sopenharmony_ci if (sub_len == 0) 177db96d56Sopenharmony_ci return (str_len < maxcount) ? str_len + 1 : maxcount; 187db96d56Sopenharmony_ci 197db96d56Sopenharmony_ci count = FASTSEARCH(str, str_len, sub, sub_len, maxcount, FAST_COUNT); 207db96d56Sopenharmony_ci 217db96d56Sopenharmony_ci if (count < 0) 227db96d56Sopenharmony_ci return 0; /* no match */ 237db96d56Sopenharmony_ci 247db96d56Sopenharmony_ci return count; 257db96d56Sopenharmony_ci} 267db96d56Sopenharmony_ci 277db96d56Sopenharmony_ci 28