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- /*
- * This file is part of the UCB release of Plan 9. It is subject to the license
- * terms in the LICENSE file found in the top-level directory of this
- * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
- * part of the UCB release of Plan 9, including this file, may be copied,
- * modified, propagated, or distributed except according to the terms contained
- * in the LICENSE file.
- */
- #include <u.h>
- #include <libc.h>
- #include <venti.h>
- enum {
- OVtErrType, /* illegal */
- OVtRootType,
- OVtDirType,
- OVtPointerType0,
- OVtPointerType1,
- OVtPointerType2,
- OVtPointerType3,
- OVtPointerType4,
- OVtPointerType5,
- OVtPointerType6,
- OVtPointerType7, /* not used */
- OVtPointerType8, /* not used */
- OVtPointerType9, /* not used */
- OVtDataType,
- OVtMaxType
- };
- uint todisk[] = {
- OVtDataType,
- OVtPointerType0,
- OVtPointerType1,
- OVtPointerType2,
- OVtPointerType3,
- OVtPointerType4,
- OVtPointerType5,
- OVtPointerType6,
- OVtDirType,
- OVtPointerType0,
- OVtPointerType1,
- OVtPointerType2,
- OVtPointerType3,
- OVtPointerType4,
- OVtPointerType5,
- OVtPointerType6,
- OVtRootType,
- };
- uint fromdisk[] = {
- VtCorruptType,
- VtRootType,
- VtDirType,
- VtDirType+1,
- VtDirType+2,
- VtDirType+3,
- VtDirType+4,
- VtDirType+5,
- VtDirType+6,
- VtDirType+7,
- VtCorruptType,
- VtCorruptType,
- VtCorruptType,
- VtDataType,
- };
- uint
- vttodisktype(uint n)
- {
- if(n >= nelem(todisk))
- return VtCorruptType;
- return todisk[n];
- }
- uint
- vtfromdisktype(uint n)
- {
- if(n >= nelem(fromdisk))
- return VtCorruptType;
- return fromdisk[n];
- }
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