LZ4_FORCE_INLINE U32 LZ4_getIndexOnHash()

in lz4.cpp [853:867]

• 15 lines of code
• 3 McCabe index (conditional complexity)

LZ4_FORCE_INLINE U32 LZ4_getIndexOnHash(U32 h, const void* tableBase, tableType_t tableType)
{
    LZ4_STATIC_ASSERT(LZ4_MEMORY_USAGE > 2);
    if (tableType == byU32) {
        const U32* const hashTable = (const U32*) tableBase;
        assert(h < (1U << (LZ4_MEMORY_USAGE-2)));
        return hashTable[h];
    }
    if (tableType == byU16) {
        const U16* const hashTable = (const U16*) tableBase;
        assert(h < (1U << (LZ4_MEMORY_USAGE-1)));
        return hashTable[h];
    }
    assert(0); return 0;  /* forbidden case */
}