253 lines
7.6 KiB
C
253 lines
7.6 KiB
C
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/*++
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Copyright (c) 1998-1999 Microsoft Corporation
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Module Name:
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misc.h
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Abstract:
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This module contains miscellaneous constants & declarations.
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Author:
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Keith Moore (keithmo) 10-Jun-1998
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Henry Sanders (henrysa) 17-Jun-1998 Merge with old httputil.h
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Paul McDaniel (paulmcd) 30-Mar-1999 added refcounted eresource
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Revision History:
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--*/
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#ifndef _MISC_H_
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#define _MISC_H_
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extern ULONG HttpChars[256];
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#define HTTP_CHAR 0x001
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#define HTTP_UPCASE 0x002
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#define HTTP_LOCASE 0x004
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#define HTTP_ALPHA (HTTP_UPCASE | HTTP_LOCASE)
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#define HTTP_DIGIT 0x008
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#define HTTP_CTL 0x010
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#define HTTP_LWS 0x020
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#define HTTP_HEX 0x040
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#define HTTP_SEPERATOR 0x080
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#define HTTP_TOKEN 0x100
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#define URL_LEGAL 0x200
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#define URL_TOKEN (HTTP_ALPHA | HTTP_DIGIT | URL_LEGAL)
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#define IS_HTTP_UPCASE(c) (HttpChars[(UCHAR)(c)] & HTTP_UPCASE)
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#define IS_HTTP_LOCASE(c) (HttpChars[(UCHAR)(c)] & HTTP_UPCASE)
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#define IS_HTTP_ALPHA(c) (HttpChars[(UCHAR)(c)] & HTTP_ALPHA)
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#define IS_HTTP_DIGIT(c) (HttpChars[(UCHAR)(c)] & HTTP_DIGIT)
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#define IS_HTTP_HEX(c) (HttpChars[(UCHAR)(c)] & HTTP_HEX)
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#define IS_HTTP_CTL(c) (HttpChars[(UCHAR)(c)] & HTTP_CTL)
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#define IS_HTTP_LWS(c) (HttpChars[(UCHAR)(c)] & HTTP_LWS)
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#define IS_HTTP_SEPERATOR(c) (HttpChars[(UCHAR)(c)] & HTTP_SEPERATOR)
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#define IS_HTTP_TOKEN(c) (HttpChars[(UCHAR)(c)] & HTTP_TOKEN)
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#define IS_URL_TOKEN(c) (HttpChars[(UCHAR)(c)] & URL_TOKEN)
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NTSTATUS
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InitializeHttpUtil(
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VOID
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);
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//
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// Our presumed cache-line size.
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//
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#define CACHE_LINE_SIZE 32
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//
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// Alignment macros.
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//
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#define ROUND_UP( val, pow2 ) \
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( ( (ULONG_PTR)(val) + (pow2) - 1 ) & ~( (pow2) - 1 ) )
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//
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// Calculate the dimension of an array.
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//
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#define DIMENSION(x) ( sizeof(x) / sizeof(x[0]) )
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//
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// nice MIN/MAX macros
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//
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#define MIN(a,b) ( ((a) > (b)) ? (b) : (a) )
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#define MAX(a,b) ( ((a) > (b)) ? (a) : (b) )
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//
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// Macros for swapping the bytes in a long and a short.
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//
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#if (defined(_M_IX86) && (_MSC_FULL_VER > 13009037)) || ((defined(_M_AMD64) || defined(_M_IA64)) && (_MSC_FULL_VER > 13009175))
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#define SWAP_LONG(l) _byteswap_ulong((unsigned long)l)
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#define SWAP_SHORT(s) _byteswap_ushort((unsigned short)s)
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#else
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#define SWAP_LONG(l) \
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( ( ((l) >> 24) & 0x000000FFL ) | \
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( ((l) >> 8) & 0x0000FF00L ) | \
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( ((l) << 8) & 0x00FF0000L ) | \
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( ((l) << 24) & 0xFF000000L ) )
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#define SWAP_SHORT(s) \
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( ( ((s) >> 8) & 0x00FF ) | \
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( ((s) << 8) & 0xFF00 ) )
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#endif
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//
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// Context values stored in PFILE_OBJECT->FsContext2 to identify a handle
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// as either a control channel or an app pool.
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//
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#define UL_CONTROL_CHANNEL_CONTEXT ((PVOID)'LRTC')
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#define UL_CONTROL_CHANNEL_CONTEXT_X ((PVOID)'rtcX')
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#define UL_APP_POOL_CONTEXT ((PVOID)'PPPA')
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#define UL_APP_POOL_CONTEXT_X ((PVOID)'ppaX')
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#define IS_CONTROL_CHANNEL( pFileObject ) \
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( (pFileObject)->FsContext2 == UL_CONTROL_CHANNEL_CONTEXT )
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#define MARK_VALID_CONTROL_CHANNEL( pFileObject ) \
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( (pFileObject)->FsContext2 = UL_CONTROL_CHANNEL_CONTEXT )
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#define MARK_INVALID_CONTROL_CHANNEL( pFileObject ) \
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( (pFileObject)->FsContext2 = UL_CONTROL_CHANNEL_CONTEXT_X )
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#define GET_CONTROL_CHANNEL( pFileObject ) \
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((PUL_CONTROL_CHANNEL)((pFileObject)->FsContext))
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#define GET_PP_CONTROL_CHANNEL( pFileObject ) \
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((PUL_CONTROL_CHANNEL *)&((pFileObject)->FsContext))
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#define IS_APP_POOL( pFileObject ) \
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( (pFileObject)->FsContext2 == UL_APP_POOL_CONTEXT )
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#define IS_EX_APP_POOL( pFileObject ) \
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( (pFileObject)->FsContext2 == UL_APP_POOL_CONTEXT_X )
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#define MARK_VALID_APP_POOL( pFileObject ) \
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( (pFileObject)->FsContext2 = UL_APP_POOL_CONTEXT )
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#define MARK_INVALID_APP_POOL( pFileObject ) \
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( (pFileObject)->FsContext2 = UL_APP_POOL_CONTEXT_X )
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#define GET_APP_POOL_PROCESS( pFileObject ) \
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((PUL_APP_POOL_PROCESS)((pFileObject)->FsContext))
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#define GET_PP_APP_POOL_PROCESS( pFileObject ) \
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((PUL_APP_POOL_PROCESS *)&((pFileObject)->FsContext))
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#define IS_VALID_UL_NONPAGED_RESOURCE(pResource) \
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(((pResource) != NULL) && \
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((pResource)->Signature == UL_NONPAGED_RESOURCE_SIGNATURE) && \
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((pResource)->RefCount > 0))
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typedef struct _UL_NONPAGED_RESOURCE
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{
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//
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// NonPagedPool
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//
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SINGLE_LIST_ENTRY LookasideEntry; // must be first, links
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// into the lookaside list
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ULONG Signature; // UL_NONPAGED_RESOURCE_SIGNATURE
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LONG RefCount; // the reference count
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UL_ERESOURCE Resource; // the actual resource
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} UL_NONPAGED_RESOURCE, * PUL_NONPAGED_RESOURCE;
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#define UL_NONPAGED_RESOURCE_SIGNATURE ((ULONG)'RNLU')
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#define UL_NONPAGED_RESOURCE_SIGNATURE_X MAKE_FREE_SIGNATURE(UL_NONPAGED_RESOURCE_SIGNATURE)
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PUL_NONPAGED_RESOURCE
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UlResourceNew(
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);
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VOID
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UlReferenceResource(
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PUL_NONPAGED_RESOURCE pResource
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REFERENCE_DEBUG_FORMAL_PARAMS
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);
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VOID
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UlDereferenceResource(
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PUL_NONPAGED_RESOURCE pResource
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REFERENCE_DEBUG_FORMAL_PARAMS
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);
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#define REFERENCE_RESOURCE( pres ) \
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UlReferenceResource( \
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(pres) \
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REFERENCE_DEBUG_ACTUAL_PARAMS \
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)
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#define DEREFERENCE_RESOURCE( pres ) \
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UlDereferenceResource( \
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(pres) \
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REFERENCE_DEBUG_ACTUAL_PARAMS \
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)
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PVOID
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UlResourceAllocatePool(
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IN POOL_TYPE PoolType,
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IN SIZE_T ByteLength,
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IN ULONG Tag
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);
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VOID
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UlResourceFreePool(
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IN PVOID pBuffer
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);
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//
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// Miscellaneous validators.
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//
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#define IS_VALID_DEVICE_OBJECT( pDeviceObject ) \
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( ((pDeviceObject) != NULL) && \
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((pDeviceObject)->Type == IO_TYPE_DEVICE) && \
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((pDeviceObject)->Size == sizeof(DEVICE_OBJECT)) )
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#define IS_VALID_FILE_OBJECT( pFileObject ) \
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( ((pFileObject) != NULL) && \
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((pFileObject)->Type == IO_TYPE_FILE) && \
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((pFileObject)->Size == sizeof(FILE_OBJECT)) )
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#define IS_VALID_IRP( pIrp ) \
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( ((pIrp) != NULL) && \
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((pIrp)->Type == IO_TYPE_IRP) && \
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((pIrp)->Size == IoSizeOfIrp((pIrp)->StackCount)) )
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NTSTATUS
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TimeFieldsToHttpDate(
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IN PTIME_FIELDS pTime,
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OUT PWSTR pBuffer,
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IN ULONG BufferLength
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);
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#endif // _MISC_H_
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