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/*****************************************************************************
* *
* PrimeSense PSCommon Library *
* Copyright (C) 2012 PrimeSense Ltd. *
* *
* This file is part of PSCommon. *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* *
*****************************************************************************/
#ifndef _XN_MACROS_H_
#define _XN_MACROS_H_
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include "XnStatusCodes.h"
//---------------------------------------------------------------------------
// Macros
//---------------------------------------------------------------------------
/** Returns the (x)th power of 2. */
#define XN_SETBITMASK(x) (1 << x-1)
/** Returns Y if X is NULL. */
#define XN_RET_IF_NULL(x, y) \
if (x == NULL) \
{ \
return (y); \
}
/** Returns Y if X isn't XN_STATUS_OK. */
#define XN_IS_STATUS_OK_RET(x, y) \
if (x != XN_STATUS_OK) \
{ \
return (y); \
}
/** Jumps to the ErrorCleanUp label if X isn't XN_STATUS_OK and return Y. */
#define XN_IS_STATUS_OK_GOCLEANUP_RET(x, y) \
if (x != XN_STATUS_OK) \
{ \
x = y; \
goto ErrorCleanUp; \
}
/** Returns X if X isn't XN_STATUS_OK. */
#define XN_IS_STATUS_OK(x) \
XN_IS_STATUS_OK_RET(x, x)
#define XN_IS_STATUS_OK_ASSERT(x) \
if (x != XN_STATUS_OK) \
{ \
XN_ASSERT(FALSE); \
return (x); \
}
/** Jumps to the ErrorCleanUp label if X isn't XN_STATUS_OK. */
#define XN_IS_STATUS_OK_GOCLEANUP(x) \
if (x != XN_STATUS_OK) \
{ \
goto ErrorCleanUp; \
}
/** Returns Y if X isn't XN_STATUS_OK. */
#define XN_IS_BOOL_OK_RET(x, y) \
if (x != TRUE) \
{ \
return (y); \
}
/** Jumps to the ErrorCleanUp label if X isn't XN_STATUS_OK and returns Y. */
#define XN_IS_BOOL_OK_GOCLEANUP_RET(x, y) \
if (x != TRUE) \
{ \
goto ErrorCleanUp; \
}
/** Jumps to the ErrorCleanUp label if X isn't XN_STATUS_OK and returns Y. */
#define XN_GOCLEANUP_RET(x, y) \
x = y; \
goto ErrorCleanUp;
/** Returns Y if X is null. */
#define XN_VALIDATE_PTR(x,y) \
if (x == NULL) \
{ \
return (y); \
}
/** Returns an output overflow error if x is beyond y */
#define XN_CHECK_INPUT_OVERFLOW(x, y) \
if (x > y) \
{ \
return (XN_STATUS_INPUT_BUFFER_OVERFLOW); \
}
/** Returns an input overflow error if x is beyond y */
#define XN_CHECK_OUTPUT_OVERFLOW(x, y) \
if (x > y) \
{ \
return (XN_STATUS_OUTPUT_BUFFER_OVERFLOW); \
}
/** Disables Copy ctor and assignment operator. Should be placed under "private:" section. */
#define XN_DISABLE_COPY_AND_ASSIGN(TypeName) \
TypeName(const TypeName&); \
void operator=(const TypeName&);
/** Disables the "local variable is initialized but not referenced" warning (if you need
to use this variable in an assert */
#define XN_REFERENCE_VARIABLE(x) \
((void)x)
#endif //_XN_MACROS_H_
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