memtools.h

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* memtools.h  * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* 6 august 2020 * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* jordan bonecutter * * * * * * * * * * * * * * * * * * * * * * * * */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/* 
 * Heavily inspired by Eskil Steenberg's talk (https://youtu.be/443UNeGrFoM?t=3164)
 * I have decided to make a similar tool to his for memory checking. Just for fun
 * (as always!)
 * */

#ifndef MEMTOOLS_H_INCLUDE_GUARD
  #define MEMTOOLS_H_INCLUDE_GUARD
  #include "memtools_internal.h"
  #ifdef MEMTOOLS

    #define malloc(n)     memtools_malloc (n, __LINE__, (char*)__FILE__)
    #define free(p)       memtools_free   (p, __LINE__, (char*)__FILE__)
    #define realloc(p, n) memtools_realloc(p, n, __LINE__, (char*)__FILE__)
    #define strdup(s)     memtools_strdup (s, __LINE__, (char*)__FILE__)
    #define strndup(s, n) memtools_strndup(s, n, __LINE__, (char*)__FILE__)
    #define calloc(m, n)  memtools_calloc (m, n, __LINE__, (char*)__FILE__)

    #define memprint()           memtools_print_allocated()
    #define memcomment(p, ...)   memtools_memory_comment(p, __VA_ARGS__)
    #define memcomment_copy(dest, src) memtools_memory_comment_copy(dest, src)
    #define memtest(p, ...)  if(!memtools_is_valid_pointer(p)){\
                               printf("memtools: memory tested at %p in file %s at line %d was invalid.\n", \
                                      p, __FILE__, __LINE__);\
                               memtools_wrapped_printf(__VA_ARGS__);\
                             } 

    #define memviolated(p, ...)  if(memtools_has_memory_been_violated(p)){\
                                   printf("memtools: memory tested at %p in file %s at line %d has been violated.\n", \
                                          p, __FILE__, __LINE__);\
                                   memtools_wrapped_printf(__VA_ARGS__);\
                                 } 
  #else
    #define memprint()
    #define memcomment(p, ...)
    #define memcomment_copy(dest, src)
    #define memtest(p, format, ...)
    #define memviolated(p, format, ...) 
  #endif
#endif