// infmacro.h


#define INPUT_EOF()    (context->input_curpos >= context->end_input_buffer)


// dump n bits from the bit buffer (n can be up to 16)
// in assertion: there must be at least n valid bits in the buffer
#define DUMPBITS(n) \
    bitbuf >>= n; \
    bitcount -= n;


// return the next n bits in the bit buffer (n <= 16), then dump these bits
// in assertion: there must be at least n valid bits in the buffer
#define GETBITS(result, n) \
    bitcount -= n; \
    result = (bitbuf & g_BitMask[n]); \
    bitbuf >>= n; \



// Load bit buffer variables from context into local variables

#define LOAD_BITBUF_VARS() \
    bitbuf = context->bitbuf; \
    bitcount = context->bitcount; \
    input_ptr = context->input_curpos;



// Save bit buffer variables from local variables into context

#define SAVE_BITBUF_VARS() \
    context->bitbuf = bitbuf; \
    context->bitcount = bitcount; \
    context->input_curpos = input_ptr;