C++ (Cpp) save_ptr Examples

Example #1

File: tm_malloc.c Project: anandhis/ompi

void *tm_realloc(void *old_ptr, size_t size, char *file, int line){
  byte *ptr;
  size_t full_size;

  init_extra_data();

  full_size = size + 2 * EXTRA_BYTE;

  ptr = malloc(full_size);
  save_ptr(ptr, full_size, file, line);

  if(tm_get_verbose_level()>=DEBUG)
    printf("tm_realloc of size %ld: %p (%s: %d)\n",full_size-2*EXTRA_BYTE,ptr, file, line);


  memcpy(ptr, extra_data, EXTRA_BYTE);
  memcpy(ptr + full_size - EXTRA_BYTE, extra_data, EXTRA_BYTE);

  if(old_ptr){
    byte *original_ptr = ((byte *)old_ptr) - EXTRA_BYTE;
    size_t old_ptr_size = retreive_size(original_ptr);

    memcpy(ptr + EXTRA_BYTE, old_ptr, MIN(old_ptr_size - 2 * EXTRA_BYTE, size));

    if((bcmp(original_ptr ,extra_data, EXTRA_BYTE)) && ((tm_get_verbose_level()>=ERROR))){
      fprintf(stderr,"Realloc: cannot find special string ***before*** %p!\n", original_ptr);
      fprintf(stderr,"memory is probably corrupted here!\n");
    }

    if((bcmp(original_ptr + old_ptr_size -EXTRA_BYTE ,extra_data, EXTRA_BYTE)) && ((tm_get_verbose_level()>=ERROR))){
      fprintf(stderr,"Realloc: cannot find special string ***after*** %p!\n", original_ptr);
      fprintf(stderr,"memory is probably corrupted here!\n");
    }

    if(tm_get_verbose_level()>=DEBUG)
      printf("tm_free freeing: %p\n",original_ptr);


    free(original_ptr);
  }


  if(tm_get_verbose_level()>=DEBUG)
    printf("tm_realloc returning: %p (----- %p)\n",ptr+EXTRA_BYTE, ((byte *)ptr) - EXTRA_BYTE);


  return (void *)(ptr+EXTRA_BYTE);
}

Example #2

File: tm_malloc.c Project: anandhis/ompi

void *tm_malloc(size_t size, char *file, int line){
  byte *ptr;
  init_extra_data();

  size+=2*EXTRA_BYTE;
  ptr = malloc(size);

  if(tm_get_verbose_level()>=DEBUG)
    printf("tm_malloc of size %ld: %p (%s: %d)\n",size-2*EXTRA_BYTE,ptr,file,line);

  save_ptr(ptr, size, file, line);

  memcpy(ptr, extra_data, EXTRA_BYTE);
  memcpy(ptr + size - EXTRA_BYTE, extra_data, EXTRA_BYTE);


  if(tm_get_verbose_level()>=DEBUG)
    printf("tm_malloc returning: %p\n",ptr+EXTRA_BYTE);

  return (void *)(ptr + EXTRA_BYTE);
}

Example #3

File: tm_malloc.c Project: bgoglin/ompi

void *tm_calloc(size_t count, size_t size, char *file, int line){
  byte *ptr;
  size_t full_size;

  init_extra_data();

  full_size = count * size + 2 * EXTRA_BYTE;

  ptr = malloc(full_size);
  bzero(ptr,full_size);
  save_ptr(ptr, full_size, file, line);

  if(tm_get_verbose_level()>=DEBUG)
    printf("tm_calloc of size %ld: %p (%s: %d)\n",full_size-2*EXTRA_BYTE,(void*)ptr, file, line);


  memcpy(ptr, extra_data, EXTRA_BYTE);
  memcpy(ptr + full_size - EXTRA_BYTE, extra_data, EXTRA_BYTE);

  if(tm_get_verbose_level()>=DEBUG)
    printf("tm_calloc returning: %p\n", (void*)(ptr+EXTRA_BYTE));

  return (void *)(ptr+EXTRA_BYTE);
}