Compare.h

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#ifndef _MACHINE_INDEPENDENT_COMPARE_H
#define _MACHINE_INDEPENDENT_COMPARE_H

#include "../../../hlsl/hlslTokens.h"

namespace {

    struct str_eq
    {
        bool operator()(const char* lhs, const char* rhs) const
        {
            return strcmp(lhs, rhs) == 0;
        }
    };

    struct str_hash
    {
        size_t operator()(const char* str) const
        {
            // djb2
            unsigned long hash = 5381;
            int c;

            while ((c = *str++) != 0)
                hash = ((hash << 5) + hash) + c;

            return hash;
        }
    };
};

#endif