39 lines
646 B
C
39 lines
646 B
C
/*
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* $Id: misc.c,v 1.4 2005-06-08 16:11:18 bacon Exp $
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*/
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#include <xp/stx/misc.h>
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xp_word_t xp_stx_strhash (const xp_char_t* str)
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{
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xp_word_t h = 0;
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xp_byte_t* bp, * be;
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const xp_char_t* p = str;
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while (*p != XP_CHAR('\0')) {
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bp = (xp_byte_t*)p;
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be = bp + xp_sizeof(xp_char_t);
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while (bp < be) h = h * 31 + *bp++;
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p++;
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}
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return h;
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}
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xp_word_t xp_stx_strxhash (const xp_char_t* str, xp_word_t len)
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{
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xp_word_t h = 0;
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xp_byte_t* bp, * be;
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const xp_char_t* p = str, * end = str + len;
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while (p < end) {
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bp = (xp_byte_t*)p;
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be = bp + xp_sizeof(xp_char_t);
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while (bp < be) h = h * 31 + *bp++;
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p++;
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}
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return h;
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}
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