File: count.h

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/* stringlib: count implementation */

#ifndef STRINGLIB_COUNT_H
#define STRINGLIB_COUNT_H

#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 count;

    if (sub_len == 0) {
        if (str_len < 0)
            return 0; /* start > len(str) */
        return str_len + 1;
    }

    count = fastsearch(str, str_len, sub, sub_len, FAST_COUNT);

    if (count < 0)
        count = 0; /* no match */

    return count;
}

#endif

/*
Local variables:
c-basic-offset: 4
indent-tabs-mode: nil
End:
*/