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C/C++ Users Group Library 1996 July
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C-C++ Users Group Library July 1996.iso
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1991-01-21
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/* memdebug.h header file for debugging versions of malloc,
* calloc, realloc and free. To use: place #define DEBUG
* line before #include "memdebug.h" in program to debug.
* Copyright 1990 by Wahhab Baldwin. Permission to copy
* freely granted if this notice is included.
*/
#ifndef _SIZE_T_DEFINED
typedef unsigned int size_t;
#define _SIZE_T_DEFINED
#endif
typedef struct memchain {
unsigned int line;
unsigned short module_ix;
size_t bytes;
struct memchain *next;
struct memchain *prev;
unsigned int sentinal;
} MEMCHAIN, *PMEMCHAIN;
#if defined(DEBUG)
/* redefine normal library memory calls */
#define malloc(x) d__malloc(x, __FILE__, __LINE__)
#define calloc(x, y) d__calloc(x, y, __FILE__, __LINE__)
#define realloc(x, y) d__realloc(x, y, __FILE__, __LINE__)
#define free(x) d__free(x, __FILE__, __LINE__)
/* function prototypes */
void *d__malloc(size_t bytes, char *module, int line);
void *d__calloc(size_t n, size_t bytes, char *module,
int line);
void *d__realloc(void *rptr, size_t bytes, char *module,
int line);
void *d__showmem(void);
#endif
/* end of memdebug.h */