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make hash fn a bit better 

SVN revision: 14944
This commit is contained in:
Carsten Haitzler 2005-05-26 06:15:33 +00:00
parent 67506e226f
commit 369e1cd2fe
1 changed files with 3 additions and 2 deletions
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5
legacy/evas/src/lib/data/evas_hash.c
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@ -9,12 +9,13 @@ static int _evas_hash_alloc_error = 0;
static int
evas_hash_gen(const char *key)
{
unsigned int hash_num = 0;
unsigned int hash_num = 0, i;
const unsigned char *ptr;
if (!key) return 0;
for (ptr = (unsigned char *)key; *ptr; ptr++) hash_num ^= (int)(*ptr);
for (i = 0, ptr = (unsigned char *)key; *ptr; ptr++, i++)
hash_num ^= ((int)(*ptr) | ((int)(*ptr) << 8)) >> (i % 8);
hash_num &= 0xff;
return (int)hash_num;