reactos/sdk/include/ddk/ntrxdef.h

   1 #ifndef _RX_NTDEFS_DEFINED_
   2 #define _RX_NTDEFS_DEFINED_
   3
   4 #define INLINE __inline
   5 #ifndef INVALID_HANDLE_VALUE
   6 #define INVALID_HANDLE_VALUE ((HANDLE)-1)
   7 #endif
   8
   9 #define RxAllocatePoolWithTag ExAllocatePoolWithTag
  10 #define RxFreePool ExFreePool
  11
  12 #define RxMdlIsLocked(Mdl) ((Mdl)->MdlFlags & MDL_PAGES_LOCKED)
  13 #define RxMdlSourceIsNonPaged(Mdl) ((Mdl)->MdlFlags & MDL_SOURCE_IS_NONPAGED_POOL)
  14
  15 #define RxAdjustAllocationSizeforCC(Fcb)                                                       \
  16 {                                                                                              \
  17     if ((Fcb)->Header.FileSize.QuadPart > (Fcb)->Header.AllocationSize.QuadPart)               \
  18     {                                                                                          \
  19         PMRX_NET_ROOT NetRoot = (Fcb)->pNetRoot;                                               \
  20         ULONGLONG ClusterSize = NetRoot->DiskParameters.ClusterSize;                           \
  21         ULONGLONG FileSize = (Fcb)->Header.FileSize.QuadPart;                                  \
  22         ASSERT(ClusterSize != 0);                                                              \
  23         (Fcb)->Header.AllocationSize.QuadPart = (FileSize + ClusterSize) &~ (ClusterSize - 1); \
  24     }                                                                                          \
  25     ASSERT ((Fcb)->Header.ValidDataLength.QuadPart <= (Fcb)->Header.FileSize.QuadPart);        \
  26 }
  27
  28 #endif