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split well-used utility functions into util.c
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parent
7a3a5ce3af
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35
src/util.c
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35
src/util.c
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/*
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* simple utility functions
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_STDINT_H
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# include <stdint.h>
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <sys/types.h>
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uint32_t util_djb_hash_block(unsigned char *data, uint32_t len) {
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uint32_t hash = 5381;
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unsigned char *pstr = data;
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while(len--) {
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hash = ((hash << 5) + hash) + *pstr;
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pstr++;
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}
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return hash;
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}
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uint32_t util_djb_hash_str(char *str) {
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uint32_t len;
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len = strlen(str);
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return util_djb_hash_block((unsigned char *)str,len);
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}
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24
src/util.h
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24
src/util.h
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/*
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* simple utility functions
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*/
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#ifndef _UTIL_H_
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#define _UTIL_H_
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_STDINT_H
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# include <stdint.h>
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#endif
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#include <sys/types.h>
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/* simple hashing functions */
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extern uint32_t util_djb_hash_block(unsigned char *data, uint32_t len);
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extern uint32_t util_djb_hash_str(char *str);
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#endif /* _UTIL_H_ */
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