assertp.h

guide and some example with visualC++

void abort(void);

#ifndef NDEBUG

#define assertandpause(p, args)	if(p){fprintf(stderr,\
		"ASSERT : %s, At line %d in file %s.\n",\
		#p, __LINE__,__FILE__);\
		printf args;\
		fprintf(stderr,"<Key to continue>");\
		getchar();}



#define assertp(p, args)	if(p){\
		fprintf(stderr,\
		"ASSERT : %s, At line %d in file %s.\nCalled From: ",\
		#p, __LINE__,__FILE__);\
		printf args; abort();}

#else
#define assertandpause(p, args)
#define assertp(p, args)
#endif