Subversion Repositories planix.SVN

#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];
}