reactos/lib/cmlib/cmdata.h

   1 /*
   2  * PROJECT:   registry manipulation library
   3  * LICENSE:   GPL - See COPYING in the top level directory
   4  * COPYRIGHT: Copyright 2005 Filip Navara <navaraf@reactos.org>
   5  *            Copyright 2001 - 2005 Eric Kohl
   6  */
   7
   8 #ifndef CMLIB_CMDATA_H
   9 #define CMLIB_CMDATA_H
  10
  11 #define  REG_INIT_BLOCK_LIST_SIZE      32
  12 #define  REG_INIT_HASH_TABLE_SIZE      3
  13 #define  REG_EXTEND_HASH_TABLE_SIZE    4
  14 #define  REG_VALUE_LIST_CELL_MULTIPLE  4
  15
  16 #define  REG_KEY_CELL_ID               0x6b6e
  17 #define  REG_HASH_TABLE_CELL_ID        0x666c
  18 #define  REG_VALUE_CELL_ID             0x6b76
  19 #define  REG_SECURITY_CELL_ID          0x6b73
  20
  21 #include <pshpack1.h>
  22
  23 typedef struct _CM_VIEW_OF_FILE
  24 {
  25     LIST_ENTRY LRUViewList;
  26     LIST_ENTRY PinViewList;
  27     ULONG FileOffset;
  28     ULONG Size;
  29     PULONG ViewAddress;
  30     PVOID Bcb;
  31     ULONG UseCount;
  32 } CM_VIEW_OF_FILE, *PCM_VIEW_OF_FILE;
  33
  34 typedef struct _CHILD_LIST
  35 {
  36     ULONG Count;
  37     HCELL_INDEX List;
  38 } CHILD_LIST, *PCHILD_LIST;
  39
  40 typedef struct _CM_KEY_NODE
  41 {
  42    /* Key cell identifier "kn" (0x6b6e) */
  43    USHORT Id;
  44
  45    /* Flags */
  46    USHORT Flags;
  47
  48    /* Time of last flush */
  49    LARGE_INTEGER LastWriteTime;
  50
  51    ULONG Spare;
  52
  53    /* BlockAddress offset of parent key cell */
  54    HCELL_INDEX Parent;
  55
  56    /* Count of sub keys for the key in this key cell (stable & volatile) */
  57    ULONG SubKeyCounts[HvMaxStorageType];
  58
  59    /* BlockAddress offset of has table for FIXME: subkeys/values? (stable & volatile) */
  60    HCELL_INDEX SubKeyLists[HvMaxStorageType];
  61
  62    CHILD_LIST ValueList;
  63
  64    /* BlockAddress offset of security cell */
  65    HCELL_INDEX SecurityKeyOffset;
  66
  67    /* BlockAddress offset of registry key class */
  68    HCELL_INDEX ClassNameOffset;
  69
  70    ULONG MaxNameLen;
  71    ULONG MaxClassLen;
  72    ULONG MaxValueNameLen;
  73    ULONG MaxValueDataLen;
  74    ULONG WorkVar;
  75
  76    /* Size in bytes of key name */
  77    USHORT NameSize;
  78
  79    /* Size of class name in bytes */
  80    USHORT ClassSize;
  81
  82    /* Name of key (not zero terminated) */
  83    UCHAR Name[0];
  84 } CM_KEY_NODE, *PCM_KEY_NODE;
  85
  86 /* CM_KEY_NODE.Flags constants */
  87 #define  REG_KEY_VOLATILE_CELL             0x01
  88 #define  REG_KEY_ROOT_CELL                 0x0C
  89 #define  REG_KEY_LINK_CELL                 0x10
  90 #define  REG_KEY_NAME_PACKED               0x20
  91
  92 /*
  93  * Hash record
  94  *
  95  * HashValue:
  96  *      packed name: four letters of value's name
  97  *      otherwise: Zero!
  98  */
  99 typedef struct _HASH_RECORD
 100 {
 101   HCELL_INDEX  KeyOffset;
 102   ULONG  HashValue;
 103 } HASH_RECORD, *PHASH_RECORD;
 104
 105 typedef struct _HASH_TABLE_CELL
 106 {
 107   USHORT  Id;
 108   USHORT  HashTableSize;
 109   HASH_RECORD  Table[0];
 110 } HASH_TABLE_CELL, *PHASH_TABLE_CELL;
 111
 112 typedef struct _VALUE_LIST_CELL
 113 {
 114   HCELL_INDEX  ValueOffset[0];
 115 } VALUE_LIST_CELL, *PVALUE_LIST_CELL;
 116
 117 typedef struct _VALUE_CELL
 118 {
 119   USHORT Id;    // "kv"
 120   USHORT NameSize;      // length of Name
 121   ULONG  DataSize;      // length of datas in the cell pointed by DataOffset
 122   HCELL_INDEX  DataOffset;// datas are here if high bit of DataSize is set
 123   ULONG  DataType;
 124   USHORT Flags;
 125   USHORT Unused1;
 126   UCHAR  Name[0]; /* warning : not zero terminated */
 127 } VALUE_CELL, *PVALUE_CELL;
 128
 129 /* VALUE_CELL.Flags constants */
 130 #define REG_VALUE_NAME_PACKED             0x0001
 131
 132 /* VALUE_CELL.DataSize mask constants */
 133 #define REG_DATA_SIZE_MASK                 0x7FFFFFFF
 134 #define REG_DATA_IN_OFFSET                 0x80000000
 135
 136 typedef struct _SECURITY_CELL
 137 {
 138   USHORT Id;    // "sk"
 139   USHORT Reserved;
 140   HCELL_INDEX PrevSecurityCell;
 141   HCELL_INDEX NextSecurityCell;
 142   ULONG RefCount;
 143   ULONG SdSize;
 144   UCHAR Data[0];
 145 } SECURITY_CELL, *PSECURITY_CELL;
 146
 147 #include <poppack.h>
 148
 149 #endif /* CMLIB_CMDATA_H */