(b []byte, scratch []byte, zc bool)
| 794 | } |
| 795 | |
| 796 | func readBytesBytes(b []byte, scratch []byte, zc bool) (v []byte, o []byte, err error) { |
| 797 | l := len(b) |
| 798 | if l < 1 { |
| 799 | return nil, nil, ErrShortBytes |
| 800 | } |
| 801 | |
| 802 | lead := b[0] |
| 803 | b = b[1:] |
| 804 | var read int |
| 805 | switch lead { |
| 806 | case mbin8: |
| 807 | if len(b) < 1 { |
| 808 | err = ErrShortBytes |
| 809 | return |
| 810 | } |
| 811 | |
| 812 | read = int(b[0]) |
| 813 | b = b[1:] |
| 814 | |
| 815 | case mbin16: |
| 816 | if len(b) < 2 { |
| 817 | err = ErrShortBytes |
| 818 | return |
| 819 | } |
| 820 | read = int(big.Uint16(b)) |
| 821 | b = b[2:] |
| 822 | |
| 823 | case mbin32: |
| 824 | if len(b) < 4 { |
| 825 | err = ErrShortBytes |
| 826 | return |
| 827 | } |
| 828 | read = int(big.Uint32(b)) |
| 829 | b = b[4:] |
| 830 | |
| 831 | default: |
| 832 | err = badPrefix(BinType, lead) |
| 833 | return |
| 834 | } |
| 835 | |
| 836 | if len(b) < read { |
| 837 | err = ErrShortBytes |
| 838 | return |
| 839 | } |
| 840 | |
| 841 | // zero-copy |
| 842 | if zc { |
| 843 | v = b[0:read] |
| 844 | o = b[read:] |
| 845 | return |
| 846 | } |
| 847 | |
| 848 | if cap(scratch) >= read { |
| 849 | v = scratch[0:read] |
| 850 | } else { |
| 851 | v = make([]byte, read) |
| 852 | } |
| 853 |
no test coverage detected
searching dependent graphs…