(e *encoder)
| 40 | } |
| 41 | |
| 42 | func decodeOption(e *encoder) (uint32, interface{}, errno) { |
| 43 | magic := e.uint64() |
| 44 | if magic != optMagic { |
| 45 | e.check(fmt.Errorf("invalid option magic 0x%x", magic)) |
| 46 | } |
| 47 | option := e.uint32() |
| 48 | length := e.uint32() |
| 49 | if length > maxOptionLength { |
| 50 | return option, nil, errTooBig |
| 51 | } |
| 52 | var o interface{ decode(*encoder, uint32) errno } |
| 53 | switch option { |
| 54 | case cOptExportName: |
| 55 | o = new(optExportName) |
| 56 | case cOptAbort: |
| 57 | o = new(optAbort) |
| 58 | case cOptList: |
| 59 | o = new(optList) |
| 60 | case cOptInfo: |
| 61 | o = &optInfo{done: false} |
| 62 | case cOptGo: |
| 63 | o = &optInfo{done: true} |
| 64 | } |
| 65 | if o == nil { |
| 66 | return option, nil, errUnsup |
| 67 | } |
| 68 | return option, o, o.decode(e, length) |
| 69 | } |
| 70 | |
| 71 | const ( |
| 72 | cOptExportName = 1 |
no test coverage detected