| rsc | 056fe1b | 2003-11-23 18:19:58 +0000 | [diff] [blame] | 1 | #include <u.h> |
| 2 | #include <libc.h> |
| 3 | #include <venti.h> |
| 4 | |
| 5 | enum { |
| 6 | OVtErrType, /* illegal */ |
| 7 | |
| 8 | OVtRootType, |
| 9 | OVtDirType, |
| 10 | OVtPointerType0, |
| 11 | OVtPointerType1, |
| 12 | OVtPointerType2, |
| 13 | OVtPointerType3, |
| 14 | OVtPointerType4, |
| 15 | OVtPointerType5, |
| 16 | OVtPointerType6, |
| 17 | OVtPointerType7, /* not used */ |
| 18 | OVtPointerType8, /* not used */ |
| 19 | OVtPointerType9, /* not used */ |
| 20 | OVtDataType, |
| 21 | |
| 22 | OVtMaxType |
| 23 | }; |
| 24 | |
| 25 | |
| 26 | uint todisk[] = { |
| 27 | OVtDataType, |
| 28 | OVtPointerType0, |
| 29 | OVtPointerType1, |
| 30 | OVtPointerType2, |
| 31 | OVtPointerType3, |
| 32 | OVtPointerType4, |
| 33 | OVtPointerType5, |
| 34 | OVtPointerType6, |
| 35 | OVtDirType, |
| 36 | OVtPointerType0, |
| 37 | OVtPointerType1, |
| 38 | OVtPointerType2, |
| 39 | OVtPointerType3, |
| 40 | OVtPointerType4, |
| 41 | OVtPointerType5, |
| 42 | OVtPointerType6, |
| 43 | OVtRootType, |
| 44 | }; |
| 45 | |
| 46 | uint fromdisk[] = { |
| rsc | 6cc8155 | 2004-06-14 21:43:01 +0000 | [diff] [blame] | 47 | VtCorruptType, |
| rsc | 056fe1b | 2003-11-23 18:19:58 +0000 | [diff] [blame] | 48 | VtRootType, |
| 49 | VtDirType, |
| 50 | VtDirType+1, |
| 51 | VtDirType+2, |
| 52 | VtDirType+3, |
| 53 | VtDirType+4, |
| 54 | VtDirType+5, |
| 55 | VtDirType+6, |
| 56 | VtDirType+7, |
| rsc | 6cc8155 | 2004-06-14 21:43:01 +0000 | [diff] [blame] | 57 | VtCorruptType, |
| 58 | VtCorruptType, |
| 59 | VtCorruptType, |
| rsc | 056fe1b | 2003-11-23 18:19:58 +0000 | [diff] [blame] | 60 | VtDataType, |
| 61 | }; |
| 62 | |
| 63 | uint |
| 64 | vttodisktype(uint n) |
| 65 | { |
| 66 | if(n >= nelem(todisk)) |
| rsc | 6cc8155 | 2004-06-14 21:43:01 +0000 | [diff] [blame] | 67 | return VtCorruptType; |
| rsc | 056fe1b | 2003-11-23 18:19:58 +0000 | [diff] [blame] | 68 | return todisk[n]; |
| 69 | } |
| 70 | |
| 71 | uint |
| 72 | vtfromdisktype(uint n) |
| 73 | { |
| 74 | if(n >= nelem(fromdisk)) |
| rsc | 6cc8155 | 2004-06-14 21:43:01 +0000 | [diff] [blame] | 75 | return VtCorruptType; |
| rsc | 056fe1b | 2003-11-23 18:19:58 +0000 | [diff] [blame] | 76 | return fromdisk[n]; |
| 77 | } |
| 78 | |
