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 {

    14     Py_ssize_t count;

    15 

    16     if (str_len < 0)

    17         return 0; /* start > len(str) */

    18     if (sub_len == 0)

    19         return str_len + 1;

    20 

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

    22 

    23     if (count < 0)

    24         count = 0; /* no match */

    25 

    26     return count;

    27 }

    28 

    29 #endif

    30 

    31 /*

    32 Local variables:

    33 c-basic-offset: 4

    34 indent-tabs-mode: nil

    35 End:

    36 */