common.h

#ifndef __dynarr_common_h__
#define __dynarr_common_h__

// mark different regions of the code
#define _REGION_ 1

/* for token-pasting and string concatenation */
#define MACRO_EVAL2(x) (x)
#define MACRO_EVAL(x) MACRO_EVAL2(x)


#define _TOKEN_PASTE(x,y)	x ## y
#define TOKEN_PASTE(x,y)	_TOKEN_PASTE(x,y)

#define TO_STRING(x) TO_STRING2(x)
#define TO_STRING2(x)	#x

// memory leak detection
#define DETECT_MEM_LEAK 1
// http://msdn.microsoft.com/en-us/library/e5ewb1h3(v=vs.90).aspx
#if DETECT_MEM_LEAK
#define _CRTDBG_MAP_ALLOC
#include <stdlib.h>
#include <crtdbg.h>
#define MEM_LEAK_CATCH()	\
		(_CrtSetDbgFlag ( _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF ))
#define MEM_LEAK_SHOW()	_CrtDumpMemoryLeaks()

#else // DETECT_MEM_LEAK
#define MEM_LEAK_CATCH()
#define MEM_LEAK_SHOW()
#endif // DETECT_MEM_LEAK

/* Simple macros*/
// success and failure
#define SUCCESS 0
#define FAILURE -1
// off and on
#define OFF 0
#define ON	1
// param purpose specifier
#define PARAM_OUT
#define PARAM_IN

// free mem and set NULL
#define FREE_SAFE(x) \
	( (x) ? ( free( (x) ) , (x) = NULL ) : (void) 0 )
#define DELETE_SAFE(x) \
	( (x) ? ( delete (x) , (x) = NULL ) : (void) 0 )
#define DELETE_SAFE_ARR(x) \
	( (x) ? ( delete[] (x) , (x) = NULL ) : (void) 0 )

// size of array
#define SIZE_ARR(a)  ( ((a)!=NULL) ? sizeof(a) / sizeof((a)[0]) : 0)


// max nodes
#define MAXSEG MaxSeg
#define LOG_MAXSEG LogMaxSeg
#define MAXSEG_REMAINDER_BITMASK MaxSegRemainderBitMask


// types
#define real_t float

#endif // __dynarr_common_h__