win/include/xpcom/nsIStreamBufferAccess.h - chromium/deps/xulrunner-sdk - Git at Google

 /*
  * DO NOT EDIT.  THIS FILE IS GENERATED FROM e:/builds/tinderbox/XR-Trunk/WINNT_5.2_Depend/mozilla/xpcom/io/nsIStreamBufferAccess.idl
  */

 #ifndef __gen_nsIStreamBufferAccess_h__
 #define __gen_nsIStreamBufferAccess_h__


 #ifndef __gen_nsISupports_h__
 #include "nsISupports.h"
 #endif

 #ifndef __gen_nsrootidl_h__
 #include "nsrootidl.h"
 #endif

 /* For IDL files that don't want to include root IDL files. */
 #ifndef NS_NO_VTABLE
 #define NS_NO_VTABLE
 #endif

 /* starting interface:    nsIStreamBufferAccess */
 #define NS_ISTREAMBUFFERACCESS_IID_STR "ac923b72-ac87-4892-ac7a-ca385d429435"

 #define NS_ISTREAMBUFFERACCESS_IID \
   {0xac923b72, 0xac87, 0x4892, \
     { 0xac, 0x7a, 0xca, 0x38, 0x5d, 0x42, 0x94, 0x35 }}

 /**
  * An interface for access to a buffering stream implementation's underlying
  * memory buffer.
  *
  * Stream implementations that QueryInterface to nsIStreamBufferAccess must
  * ensure that all buffers are aligned on the most restrictive type size for
  * the current architecture (e.g., sizeof(double) for RISCy CPUs).  malloc(3)
  * satisfies this requirement.
  */
 class NS_NO_VTABLE nsIStreamBufferAccess : public nsISupports {
  public:

   NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISTREAMBUFFERACCESS_IID)

   /**
      * Get access to a contiguous, aligned run of bytes in the stream's buffer.
      * Exactly one successful getBuffer call must occur before a putBuffer call
      * taking the non-null pointer returned by the successful getBuffer.
      *
      * The run of bytes are the next bytes (modulo alignment padding) to read
      * for an input stream, and the next bytes (modulo alignment padding) to
      * store before (eventually) writing buffered data to an output stream.
      * There can be space beyond this run of bytes in the buffer for further
      * accesses before the fill or flush point is reached.
      *
      * @param aLength
      *    Count of contiguous bytes requested at the address A that satisfies
      *    (A & aAlignMask) == 0 in the buffer, starting from the current stream
      *    position, mapped to a buffer address B.  The stream implementation
      *    must pad from B to A by skipping bytes (if input stream) or storing
      *    zero bytes (if output stream).
      *
      * @param aAlignMask
      *    Bit-mask computed by subtracting 1 from the power-of-two alignment
      *    modulus (e.g., 3 or sizeof(PRUint32)-1 for PRUint32 alignment).
      *
      * @return
      *    The aligned pointer to aLength bytes in the buffer, or null if the
      *    buffer has no room for aLength bytes starting at the next address A
      *    after the current position that satisfies (A & aAlignMask) == 0.
      */
   /* [notxpcom] charPtr getBuffer (in PRUint32 aLength, in PRUint32 aAlignMask); */
   NS_IMETHOD_(char *) GetBuffer(PRUint32 aLength, PRUint32 aAlignMask) = 0;

   /**
      * Relinquish access to the stream's buffer, filling if at end of an input
      * buffer, flushing if completing an output buffer.  After a getBuffer call
      * that returns non-null, putBuffer must be called.
      *
      * @param aBuffer
      *    A non-null pointer returned by getBuffer on the same stream buffer
      *    access object.
      *
      * @param aLength
      *    The same count of contiguous bytes passed to the getBuffer call that
      *    returned aBuffer.
      */
   /* [notxpcom] void putBuffer (in charPtr aBuffer, in PRUint32 aLength); */
   NS_IMETHOD_(void) PutBuffer(char * aBuffer, PRUint32 aLength) = 0;

   /**
      * Disable and enable buffering on the stream implementing this interface.
      * DisableBuffering flushes an output stream's buffer, and invalidates an
      * input stream's buffer.
      */
   /* void disableBuffering (); */
   NS_IMETHOD DisableBuffering(void) = 0;

   /* void enableBuffering (); */
   NS_IMETHOD EnableBuffering(void) = 0;

   /**
      * The underlying, unbuffered input or output stream.
      */
   /* readonly attribute nsISupports unbufferedStream; */
   NS_IMETHOD GetUnbufferedStream(nsISupports * *aUnbufferedStream) = 0;

 };

   NS_DEFINE_STATIC_IID_ACCESSOR(nsIStreamBufferAccess, NS_ISTREAMBUFFERACCESS_IID)

 /* Use this macro when declaring classes that implement this interface. */
 #define NS_DECL_NSISTREAMBUFFERACCESS \
   NS_IMETHOD_(char *) GetBuffer(PRUint32 aLength, PRUint32 aAlignMask); \
   NS_IMETHOD_(void) PutBuffer(char * aBuffer, PRUint32 aLength); \
   NS_IMETHOD DisableBuffering(void); \
   NS_IMETHOD EnableBuffering(void); \
   NS_IMETHOD GetUnbufferedStream(nsISupports * *aUnbufferedStream);

 /* Use this macro to declare functions that forward the behavior of this interface to another object. */
 #define NS_FORWARD_NSISTREAMBUFFERACCESS(_to) \
   NS_IMETHOD_(char *) GetBuffer(PRUint32 aLength, PRUint32 aAlignMask) { return _to GetBuffer(aLength, aAlignMask); } \
   NS_IMETHOD_(void) PutBuffer(char * aBuffer, PRUint32 aLength) { return _to PutBuffer(aBuffer, aLength); } \
   NS_IMETHOD DisableBuffering(void) { return _to DisableBuffering(); } \
   NS_IMETHOD EnableBuffering(void) { return _to EnableBuffering(); } \
   NS_IMETHOD GetUnbufferedStream(nsISupports * *aUnbufferedStream) { return _to GetUnbufferedStream(aUnbufferedStream); }

 /* Use this macro to declare functions that forward the behavior of this interface to another object in a safe way. */
 #define NS_FORWARD_SAFE_NSISTREAMBUFFERACCESS(_to) \
   NS_IMETHOD_(char *) GetBuffer(PRUint32 aLength, PRUint32 aAlignMask) { return !_to ? NS_ERROR_NULL_POINTER : _to->GetBuffer(aLength, aAlignMask); } \
   NS_IMETHOD_(void) PutBuffer(char * aBuffer, PRUint32 aLength) { return !_to ? NS_ERROR_NULL_POINTER : _to->PutBuffer(aBuffer, aLength); } \
   NS_IMETHOD DisableBuffering(void) { return !_to ? NS_ERROR_NULL_POINTER : _to->DisableBuffering(); } \
   NS_IMETHOD EnableBuffering(void) { return !_to ? NS_ERROR_NULL_POINTER : _to->EnableBuffering(); } \
   NS_IMETHOD GetUnbufferedStream(nsISupports * *aUnbufferedStream) { return !_to ? NS_ERROR_NULL_POINTER : _to->GetUnbufferedStream(aUnbufferedStream); }

 #if 0
 /* Use the code below as a template for the implementation class for this interface. */

 /* Header file */
 class nsStreamBufferAccess : public nsIStreamBufferAccess
 {
 public:
   NS_DECL_ISUPPORTS
   NS_DECL_NSISTREAMBUFFERACCESS

   nsStreamBufferAccess();

 private:
   ~nsStreamBufferAccess();

 protected:
   /* additional members */
 };

 /* Implementation file */
 NS_IMPL_ISUPPORTS1(nsStreamBufferAccess, nsIStreamBufferAccess)

 nsStreamBufferAccess::nsStreamBufferAccess()
 {
   /* member initializers and constructor code */
 }

 nsStreamBufferAccess::~nsStreamBufferAccess()
 {
   /* destructor code */
 }

 /* [notxpcom] charPtr getBuffer (in PRUint32 aLength, in PRUint32 aAlignMask); */
 NS_IMETHODIMP_(char *) nsStreamBufferAccess::GetBuffer(PRUint32 aLength, PRUint32 aAlignMask)
 {
     return NS_ERROR_NOT_IMPLEMENTED;
 }

 /* [notxpcom] void putBuffer (in charPtr aBuffer, in PRUint32 aLength); */
 NS_IMETHODIMP_(void) nsStreamBufferAccess::PutBuffer(char * aBuffer, PRUint32 aLength)
 {
     return NS_ERROR_NOT_IMPLEMENTED;
 }

 /* void disableBuffering (); */
 NS_IMETHODIMP nsStreamBufferAccess::DisableBuffering()
 {
     return NS_ERROR_NOT_IMPLEMENTED;
 }

 /* void enableBuffering (); */
 NS_IMETHODIMP nsStreamBufferAccess::EnableBuffering()
 {
     return NS_ERROR_NOT_IMPLEMENTED;
 }

 /* readonly attribute nsISupports unbufferedStream; */
 NS_IMETHODIMP nsStreamBufferAccess::GetUnbufferedStream(nsISupports * *aUnbufferedStream)
 {
     return NS_ERROR_NOT_IMPLEMENTED;
 }

 /* End of implementation class template. */
 #endif

 // Swap macros, used to convert to/from canonical (big-endian) format
 #if defined IS_LITTLE_ENDIAN
 # define NS_SWAP16(x) ((((x) & 0xff) << 8) | (((x) >> 8) & 0xff))
 # define NS_SWAP32(x) ((NS_SWAP16((x) & 0xffff) << 16) | (NS_SWAP16((x) >> 16)))
 // We want to avoid casting to 32-bit types if possible, since that violates
 // aliasing rules (a standard compiler may assume that pointers of two types
 // do not address overlapping storage).
 //
 // XXX What if we have a compiler that follows aliasing rules strictly but
 // doesn't have a 64-bit int type?
 //
 // XXXbe shouldn't NSPR's LL_INIT work for non-constant arguments in all cases?
 # if defined HAVE_LONG_LONG
 #  if PR_BYTES_PER_LONG == 8
 #   define ULL_(x)     x ## UL
 #  elif (defined WIN32 || defined WIN16) && !defined __GNUC__
 #   define ULL_(x)     ((uint64) x ## i64)
 #  else
 #   define ULL_(x)     x ## ULL
 #  endif
 #  define NS_SWAP64(x) ((((x)    & ULL_(0xff00000000000000))    >> 56) |      \
                         (((x)    & ULL_(0x00ff000000000000))    >> 40) |      \
                         (((x)    & ULL_(0x0000ff0000000000))    >> 24) |      \
                         (((x)    & ULL_(0x000000ff00000000))    >> 8)  |      \
                         (((x)    & ULL_(0x00000000ff000000))    << 8)  |      \
                         (((x)    & ULL_(0x0000000000ff0000))    << 24) |      \
                         (((x)    & ULL_(0x000000000000ff00))    << 40) |      \
                         (((x) /* & ULL_(0x00000000000000ff) */) << 56))
 # else
 #  define NS_SWAP64(x) LL_INIT((((x).lo /* & 0xff000000ul */) >> 24) |        \
                                (((x).lo    & 0x00ff0000ul)    >> 8)  |        \
                                (((x).lo    & 0x0000ff00ul)    << 8)  |        \
                                (((x).lo /* & 0x000000fful */) << 24),         \
                                (((x).hi /* & 0xff000000ul */) >> 24) |        \
                                (((x).hi    & 0x00ff0000ul)    >> 8)  |        \
                                (((x).hi    & 0x0000ff00ul)    << 8)  |        \
                                (((x).hi /* & 0x000000fful */) << 24))
 # endif
 #elif defined IS_BIG_ENDIAN
 # define NS_SWAP16(x) (x)
 # define NS_SWAP32(x) (x)
 # define NS_SWAP64(x) (x)
 #else
 # error "Unknown byte order"
 #endif
 /**
  * These macros get and put a buffer given either an sba parameter that may
  * point to an object implementing nsIStreamBufferAccess, nsIObjectInputStream,
  * or nsIObjectOutputStream.
  */
 #define NS_GET_BUFFER(sba,n,a)  ((sba)->GetBuffer(n, a))
 #define NS_PUT_BUFFER(sba,p,n)  ((sba)->PutBuffer(p, n))
 #define NS_GET8(p)              (*(PRUint8*)(p))
 #define NS_GET16(p)             NS_SWAP16(*(PRUint16*)(p))
 #define NS_GET32(p)             NS_SWAP32(*(PRUint32*)(p))
 #define NS_GET64(p)             NS_SWAP64(*(PRUint64*)(p))
 #define NS_GET_FLOAT(p)         ((float)NS_SWAP32(*(PRUint32*)(p)))
 #define NS_GET_DOUBLE(p)        ((double)NS_SWAP64(*(PRUint64*)(p)))
 #define NS_PUT8(p,x)            (*(PRUint8*)(p) = (x))
 #define NS_PUT16(p,x)           (*(PRUint16*)(p) = NS_SWAP16(x))
 #define NS_PUT32(p,x)           (*(PRUint32*)(p) = NS_SWAP32(x))
 #define NS_PUT64(p,x)           (*(PRUint64*)(p) = NS_SWAP64(x))
 #define NS_PUT_FLOAT(p,x)       (*(PRUint32*)(p) = NS_SWAP32(*(PRUint32*)&(x)))
 #define NS_PUT_DOUBLE(p,x)      (*(PRUint64*)(p) = NS_SWAP64(*(PRUint64*)&(x)))

 #endif /* __gen_nsIStreamBufferAccess_h__ */
	/*
	* DO NOT EDIT. THIS FILE IS GENERATED FROM e:/builds/tinderbox/XR-Trunk/WINNT_5.2_Depend/mozilla/xpcom/io/nsIStreamBufferAccess.idl
	*/

	#ifndef __gen_nsIStreamBufferAccess_h__
	#define __gen_nsIStreamBufferAccess_h__


	#ifndef __gen_nsISupports_h__
	#include "nsISupports.h"
	#endif

	#ifndef __gen_nsrootidl_h__
	#include "nsrootidl.h"
	#endif

	/* For IDL files that don't want to include root IDL files. */
	#ifndef NS_NO_VTABLE
	#define NS_NO_VTABLE
	#endif

	/* starting interface: nsIStreamBufferAccess */
	#define NS_ISTREAMBUFFERACCESS_IID_STR "ac923b72-ac87-4892-ac7a-ca385d429435"

	#define NS_ISTREAMBUFFERACCESS_IID \
	{0xac923b72, 0xac87, 0x4892, \
	{ 0xac, 0x7a, 0xca, 0x38, 0x5d, 0x42, 0x94, 0x35 }}

	/**
	* An interface for access to a buffering stream implementation's underlying
	* memory buffer.
	*
	* Stream implementations that QueryInterface to nsIStreamBufferAccess must
	* ensure that all buffers are aligned on the most restrictive type size for
	* the current architecture (e.g., sizeof(double) for RISCy CPUs). malloc(3)
	* satisfies this requirement.
	*/
	class NS_NO_VTABLE nsIStreamBufferAccess : public nsISupports {
	public:

	NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISTREAMBUFFERACCESS_IID)

	/**
	* Get access to a contiguous, aligned run of bytes in the stream's buffer.
	* Exactly one successful getBuffer call must occur before a putBuffer call
	* taking the non-null pointer returned by the successful getBuffer.
	*
	* The run of bytes are the next bytes (modulo alignment padding) to read
	* for an input stream, and the next bytes (modulo alignment padding) to
	* store before (eventually) writing buffered data to an output stream.
	* There can be space beyond this run of bytes in the buffer for further
	* accesses before the fill or flush point is reached.
	*
	* @param aLength
	* Count of contiguous bytes requested at the address A that satisfies
	* (A & aAlignMask) == 0 in the buffer, starting from the current stream
	* position, mapped to a buffer address B. The stream implementation
	* must pad from B to A by skipping bytes (if input stream) or storing
	* zero bytes (if output stream).
	*
	* @param aAlignMask
	* Bit-mask computed by subtracting 1 from the power-of-two alignment
	* modulus (e.g., 3 or sizeof(PRUint32)-1 for PRUint32 alignment).
	*
	* @return
	* The aligned pointer to aLength bytes in the buffer, or null if the
	* buffer has no room for aLength bytes starting at the next address A
	* after the current position that satisfies (A & aAlignMask) == 0.
	*/
	/* [notxpcom] charPtr getBuffer (in PRUint32 aLength, in PRUint32 aAlignMask); */
	NS_IMETHOD_(char *) GetBuffer(PRUint32 aLength, PRUint32 aAlignMask) = 0;

	/**
	* Relinquish access to the stream's buffer, filling if at end of an input
	* buffer, flushing if completing an output buffer. After a getBuffer call
	* that returns non-null, putBuffer must be called.
	*
	* @param aBuffer
	* A non-null pointer returned by getBuffer on the same stream buffer
	* access object.
	*
	* @param aLength
	* The same count of contiguous bytes passed to the getBuffer call that
	* returned aBuffer.
	*/
	/* [notxpcom] void putBuffer (in charPtr aBuffer, in PRUint32 aLength); */
	NS_IMETHOD_(void) PutBuffer(char * aBuffer, PRUint32 aLength) = 0;

	/**
	* Disable and enable buffering on the stream implementing this interface.
	* DisableBuffering flushes an output stream's buffer, and invalidates an
	* input stream's buffer.
	*/
	/* void disableBuffering (); */
	NS_IMETHOD DisableBuffering(void) = 0;

	/* void enableBuffering (); */
	NS_IMETHOD EnableBuffering(void) = 0;

	/**
	* The underlying, unbuffered input or output stream.
	*/
	/* readonly attribute nsISupports unbufferedStream; */
	NS_IMETHOD GetUnbufferedStream(nsISupports * *aUnbufferedStream) = 0;

	};

	NS_DEFINE_STATIC_IID_ACCESSOR(nsIStreamBufferAccess, NS_ISTREAMBUFFERACCESS_IID)

	/* Use this macro when declaring classes that implement this interface. */
	#define NS_DECL_NSISTREAMBUFFERACCESS \
	NS_IMETHOD_(char *) GetBuffer(PRUint32 aLength, PRUint32 aAlignMask); \
	NS_IMETHOD_(void) PutBuffer(char * aBuffer, PRUint32 aLength); \
	NS_IMETHOD DisableBuffering(void); \
	NS_IMETHOD EnableBuffering(void); \
	NS_IMETHOD GetUnbufferedStream(nsISupports * *aUnbufferedStream);

	/* Use this macro to declare functions that forward the behavior of this interface to another object. */
	#define NS_FORWARD_NSISTREAMBUFFERACCESS(_to) \
	NS_IMETHOD_(char *) GetBuffer(PRUint32 aLength, PRUint32 aAlignMask) { return _to GetBuffer(aLength, aAlignMask); } \
	NS_IMETHOD_(void) PutBuffer(char * aBuffer, PRUint32 aLength) { return _to PutBuffer(aBuffer, aLength); } \
	NS_IMETHOD DisableBuffering(void) { return _to DisableBuffering(); } \
	NS_IMETHOD EnableBuffering(void) { return _to EnableBuffering(); } \
	NS_IMETHOD GetUnbufferedStream(nsISupports * *aUnbufferedStream) { return _to GetUnbufferedStream(aUnbufferedStream); }

	/* Use this macro to declare functions that forward the behavior of this interface to another object in a safe way. */
	#define NS_FORWARD_SAFE_NSISTREAMBUFFERACCESS(_to) \
	NS_IMETHOD_(char *) GetBuffer(PRUint32 aLength, PRUint32 aAlignMask) { return !_to ? NS_ERROR_NULL_POINTER : _to->GetBuffer(aLength, aAlignMask); } \
	NS_IMETHOD_(void) PutBuffer(char * aBuffer, PRUint32 aLength) { return !_to ? NS_ERROR_NULL_POINTER : _to->PutBuffer(aBuffer, aLength); } \
	NS_IMETHOD DisableBuffering(void) { return !_to ? NS_ERROR_NULL_POINTER : _to->DisableBuffering(); } \
	NS_IMETHOD EnableBuffering(void) { return !_to ? NS_ERROR_NULL_POINTER : _to->EnableBuffering(); } \
	NS_IMETHOD GetUnbufferedStream(nsISupports * *aUnbufferedStream) { return !_to ? NS_ERROR_NULL_POINTER : _to->GetUnbufferedStream(aUnbufferedStream); }

	#if 0
	/* Use the code below as a template for the implementation class for this interface. */

	/* Header file */
	class nsStreamBufferAccess : public nsIStreamBufferAccess
	{
	public:
	NS_DECL_ISUPPORTS
	NS_DECL_NSISTREAMBUFFERACCESS

	nsStreamBufferAccess();

	private:
	~nsStreamBufferAccess();

	protected:
	/* additional members */
	};

	/* Implementation file */
	NS_IMPL_ISUPPORTS1(nsStreamBufferAccess, nsIStreamBufferAccess)

	nsStreamBufferAccess::nsStreamBufferAccess()
	{
	/* member initializers and constructor code */
	}

	nsStreamBufferAccess::~nsStreamBufferAccess()
	{
	/* destructor code */
	}

	/* [notxpcom] charPtr getBuffer (in PRUint32 aLength, in PRUint32 aAlignMask); */
	NS_IMETHODIMP_(char *) nsStreamBufferAccess::GetBuffer(PRUint32 aLength, PRUint32 aAlignMask)
	{
	return NS_ERROR_NOT_IMPLEMENTED;
	}

	/* [notxpcom] void putBuffer (in charPtr aBuffer, in PRUint32 aLength); */
	NS_IMETHODIMP_(void) nsStreamBufferAccess::PutBuffer(char * aBuffer, PRUint32 aLength)
	{
	return NS_ERROR_NOT_IMPLEMENTED;
	}

	/* void disableBuffering (); */
	NS_IMETHODIMP nsStreamBufferAccess::DisableBuffering()
	{
	return NS_ERROR_NOT_IMPLEMENTED;
	}

	/* void enableBuffering (); */
	NS_IMETHODIMP nsStreamBufferAccess::EnableBuffering()
	{
	return NS_ERROR_NOT_IMPLEMENTED;
	}

	/* readonly attribute nsISupports unbufferedStream; */
	NS_IMETHODIMP nsStreamBufferAccess::GetUnbufferedStream(nsISupports * *aUnbufferedStream)
	{
	return NS_ERROR_NOT_IMPLEMENTED;
	}

	/* End of implementation class template. */
	#endif

	// Swap macros, used to convert to/from canonical (big-endian) format
	#if defined IS_LITTLE_ENDIAN
	# define NS_SWAP16(x) ((((x) & 0xff) << 8) \| (((x) >> 8) & 0xff))
	# define NS_SWAP32(x) ((NS_SWAP16((x) & 0xffff) << 16) \| (NS_SWAP16((x) >> 16)))
	// We want to avoid casting to 32-bit types if possible, since that violates
	// aliasing rules (a standard compiler may assume that pointers of two types
	// do not address overlapping storage).
	//
	// XXX What if we have a compiler that follows aliasing rules strictly but
	// doesn't have a 64-bit int type?
	//
	// XXXbe shouldn't NSPR's LL_INIT work for non-constant arguments in all cases?
	# if defined HAVE_LONG_LONG
	# if PR_BYTES_PER_LONG == 8
	# define ULL_(x) x ## UL
	# elif (defined WIN32 \|\| defined WIN16) && !defined __GNUC__
	# define ULL_(x) ((uint64) x ## i64)
	# else
	# define ULL_(x) x ## ULL
	# endif
	# define NS_SWAP64(x) ((((x) & ULL_(0xff00000000000000)) >> 56) \| \
	(((x) & ULL_(0x00ff000000000000)) >> 40) \| \
	(((x) & ULL_(0x0000ff0000000000)) >> 24) \| \
	(((x) & ULL_(0x000000ff00000000)) >> 8) \| \
	(((x) & ULL_(0x00000000ff000000)) << 8) \| \
	(((x) & ULL_(0x0000000000ff0000)) << 24) \| \
	(((x) & ULL_(0x000000000000ff00)) << 40) \| \
	(((x) /* & ULL_(0x00000000000000ff) */) << 56))
	# else
	# define NS_SWAP64(x) LL_INIT((((x).lo /* & 0xff000000ul */) >> 24) \| \
	(((x).lo & 0x00ff0000ul) >> 8) \| \
	(((x).lo & 0x0000ff00ul) << 8) \| \
	(((x).lo /* & 0x000000fful */) << 24), \
	(((x).hi /* & 0xff000000ul */) >> 24) \| \
	(((x).hi & 0x00ff0000ul) >> 8) \| \
	(((x).hi & 0x0000ff00ul) << 8) \| \
	(((x).hi /* & 0x000000fful */) << 24))
	# endif
	#elif defined IS_BIG_ENDIAN
	# define NS_SWAP16(x) (x)
	# define NS_SWAP32(x) (x)
	# define NS_SWAP64(x) (x)
	#else
	# error "Unknown byte order"
	#endif
	/**
	* These macros get and put a buffer given either an sba parameter that may
	* point to an object implementing nsIStreamBufferAccess, nsIObjectInputStream,
	* or nsIObjectOutputStream.
	*/
	#define NS_GET_BUFFER(sba,n,a) ((sba)->GetBuffer(n, a))
	#define NS_PUT_BUFFER(sba,p,n) ((sba)->PutBuffer(p, n))
	#define NS_GET8(p) ((PRUint8)(p))
	#define NS_GET16(p) NS_SWAP16((PRUint16)(p))
	#define NS_GET32(p) NS_SWAP32((PRUint32)(p))
	#define NS_GET64(p) NS_SWAP64((PRUint64)(p))
	#define NS_GET_FLOAT(p) ((float)NS_SWAP32((PRUint32)(p)))
	#define NS_GET_DOUBLE(p) ((double)NS_SWAP64((PRUint64)(p)))
	#define NS_PUT8(p,x) ((PRUint8)(p) = (x))
	#define NS_PUT16(p,x) ((PRUint16)(p) = NS_SWAP16(x))
	#define NS_PUT32(p,x) ((PRUint32)(p) = NS_SWAP32(x))
	#define NS_PUT64(p,x) ((PRUint64)(p) = NS_SWAP64(x))
	#define NS_PUT_FLOAT(p,x) ((PRUint32)(p) = NS_SWAP32((PRUint32)&(x)))
	#define NS_PUT_DOUBLE(p,x) ((PRUint64)(p) = NS_SWAP64((PRUint64)&(x)))

	#endif /* __gen_nsIStreamBufferAccess_h__ */