bitWriter Namespace Reference

Functions
static void	set_bit (t_uint8 *p_stream, size_t p_offset, bool state)
static void	set_bits (t_uint8 *stream, t_size offset, t_size word, t_size bits)

Function Documentation

static void bitWriter::set_bit ( t_uint8 *  p_stream, size_t  p_offset, bool  state  )

static

Definition at line 4 of file base64.cpp.

                                                                        {
        t_uint8 mask = 1 << (7-(p_offset&7));
        t_uint8 & byte = p_stream[p_offset>>3];
        byte = (byte & ~mask) | (state ? mask : 0);
    }

static void bitWriter::set_bits ( t_uint8 *  stream, t_size  offset, t_size  word, t_size  bits  )

static

Definition at line 9 of file base64.cpp.

                                                                                    {
        for(t_size walk = 0; walk < bits; ++walk) {
            t_uint8 bit = (t_uint8)((word >> (bits - walk - 1))&1);
            set_bit(stream, offset+walk, bit != 0);
        }
    }