29 lines
404 B
C
29 lines
404 B
C
/*
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* strhash.c
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*
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* Created on: 21.10.2017
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* Author: julian
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*/
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#include "strhash.h"
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// use rule:
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// hash(i) = hash(i - 1) * 33 ^ str[i]
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// see: http://www.cse.yorku.ca/~oz/hash.html
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strhash_t hash_add(strhash_t hash, char c) {
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return hash * 33 ^ c;
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}
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strhash_t hash_str(const char * str) {
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strhash_t hash = 0;
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while(*str) {
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hash = hash_add(hash, *str);
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str++;
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}
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return hash;
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}
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