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