C++ (Cpp) ADDR_TO_BLOCK примеры использования

Пример #1

Файл: secmem.c Проект: HoraceWeebler/libgcrypt

static void
_gcry_secmem_free_internal (void *a)
{
  memblock_t *mb;
  int size;

  if (!a)
    return;

  mb = ADDR_TO_BLOCK (a);
  size = mb->size;

  /* This does not make much sense: probably this memory is held in the
   * cache. We do it anyway: */
#define MB_WIPE_OUT(byte) \
  wipememory2 ((memblock_t *) ((char *) mb + BLOCK_HEAD_SIZE), (byte), size);

  MB_WIPE_OUT (0xff);
  MB_WIPE_OUT (0xaa);
  MB_WIPE_OUT (0x55);
  MB_WIPE_OUT (0x00);

  stats_update (0, size);

  mb->flags &= ~MB_FLAG_ACTIVE;

  /* Update stats.  */

  mb_merge (mb);
}

Пример #2

Файл: secmem.c Проект: EmeraldViewer/EmeraldViewer

int
_gcry_private_is_secure (const void *p)
{
  int ret = 0;

  SECMEM_LOCK;

  if (pool_okay && BLOCK_VALID (ADDR_TO_BLOCK (p)))
    ret = 1;

  SECMEM_UNLOCK;

  return ret;
}