17. Appendix E my_malloc.h

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//*****************************************************************
// Copyright policy is GNU/GPL but additional restriction is 
// that you include author's name and email on all copies
// Author : Al Dev Email: alavoor@yahoo.com
//*****************************************************************

/*
**      In your main() function put -
                char p_name[1024];
                sprintf(p_name, "PROGRAM_NAME=%s", argv[0]);
                putenv(p_name);
                print_total_memsize(); // in the beginning
                ...... 
                ......
                print_total_memsize(); // in the end
*/

/* Use zap instead of delete as this will be very clean!! 
** Use do while to make it robust and bullet-proof macro
*/
#define zap(x) do { if (x) { delete(x); x = 0; } } while (0)

void *local_my_malloc(size_t size, char fname[], int lineno);

char *local_my_realloc(char *aa, size_t size, char fname[], int lineno);
short *local_my_realloc(short *aa, size_t size, char fname[], int lineno);
void local_my_free(void *aa, char fname[], int lineno);

void local_print_total_memsize(char fname[], int lineno);

#define my_free(NM) (void) (local_my_free(NM, __FILE__, __LINE__))
#define my_malloc(SZ) (local_my_malloc(SZ, __FILE__, __LINE__))
#define my_realloc(NM, SZ) (local_my_realloc(NM, SZ, __FILE__, __LINE__))
#define print_total_memsize() (void) (local_print_total_memsize(__FILE__, __LINE__))

#ifdef DEBUG  //------------> DEBUG
#else  //------------> DEBUG
#define call_check(AA, BB, CC, DD) ((void) 0)
#define call_free_check(AA, BB, CC) ((void) 0)
#define remove_ptr(AA, CC, DD) ((void) 0)
#endif //------------> DEBUG