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Hash fonction just for fun.

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This commit is contained in:
nohar 2006-12-08 21:08:23 +00:00
parent 70ae216122
commit 4e12ff1c94
1 changed files with 9 additions and 6 deletions
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11
src/util.c
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@ -453,12 +453,15 @@ hash_t *hash_new(int options)
return h; return h;
} }
/* Now we have a real hash, but we use only the last byte of it :p */
static unsigned char hash_func(char *pkey) static unsigned char hash_func(char *pkey)
{ {
unsigned char i = 0; char c;
while (*pkey) unsigned long hash = 5381; /* 5381 & 0xff makes more sense */
i += (unsigned char)toupper(*pkey++);
return i; while (c = *pkey++)
hash = ((hash << 5) + hash) ^ c;
return (unsigned char)hash;
} }
void hash_insert(hash_t *hash, char *key, void *ptr) void hash_insert(hash_t *hash, char *key, void *ptr)