Re: [Vala] FNV Hash algorithm

[Luca Bruno <lethalman88 gmail com>]

On Sun, Jan 8, 2012 at 8:19 PM, Denis Kuzmenok <forward_ua ukr net> wrote:

> Solved only my making C library and calling via Vapi file =\
>
> What  is  the  equivalent of this C code in vala (For utf8 string also
> should work)?
>
> typedef u_int64_t Fnv64_t;
> #define FNV_64_INIT ((Fnv64_t)0x84222325cbf29ce4ULL)
> #define FNV_64_PRIME ((Fnv64_t)0x100000001b3ULL)
>
> Fnv64_t
> fnv_64_str(char *str)
> {
>        Fnv64_t hval = FNV_64_INIT;
>    unsigned char *s = (unsigned char *)str;
>
>    while (*s) {
>                hval *= FNV_64_PRIME;
>                hval ^= (Fnv64_t)*s++;
>    }
>
>    return hval;
> }

The problem might be in the signedness of the string in vala. Try using
exactly this code (with some variation), using pointers, and it should work
fine.

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