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/* stringlib: count implementation */ 
 
#ifndef STRINGLIB_FASTSEARCH_H 
#error must include "stringlib/fastsearch.h" before including this module 
#endif 
 
Py_LOCAL_INLINE(Py_ssize_t) 
STRINGLIB(count)(const STRINGLIB_CHAR* str, Py_ssize_t str_len, 
                const STRINGLIB_CHAR* sub, Py_ssize_t sub_len, 
                Py_ssize_t maxcount) 
{ 
    Py_ssize_t count; 
 
    if (str_len < 0) 
        return 0; /* start > len(str) */ 
    if (sub_len == 0) 
        return (str_len < maxcount) ? str_len + 1 : maxcount; 
 
    count = FASTSEARCH(str, str_len, sub, sub_len, maxcount, FAST_COUNT); 
 
    if (count < 0) 
        return 0; /* no match */ 
 
    return count; 
}