Function my_malloc

mysys/my_malloc.c:28–67

Allocate a sized block of memory. @param size The size of the memory block in bytes. @param flags Failure action modifiers (bitmasks). @return A pointer to the allocated memory block, or NULL on failure. */

  @return A pointer to the allocated memory block, or NULL on failure.
*/
void *my_malloc(size_t size, myf my_flags)
{
  void* point;
  DBUG_ENTER("my_malloc");
  DBUG_PRINT("my",("size: %lu  my_flags: %d", (ulong) size, my_flags));

  /* Safety */
  if (!size)
    size=1;

  point= malloc(size);
  DBUG_EXECUTE_IF("simulate_out_of_memory",
                  {
                    free(point);
                    point= NULL;
                  });
  DBUG_EXECUTE_IF("simulate_persistent_out_of_memory",
                  {
                    free(point);
                    point= NULL;
                  });

  if (point == NULL)
  {
    my_errno=errno;
    if (my_flags & MY_FAE)
      error_handler_hook=fatal_error_handler_hook;
    if (my_flags & (MY_FAE+MY_WME))
      my_error(EE_OUTOFMEMORY, MYF(ME_BELL + ME_WAITTANG +
                                   ME_NOREFRESH + ME_FATALERROR),size);
    DBUG_EXECUTE_IF("simulate_out_of_memory",
                    DBUG_SET("-d,simulate_out_of_memory"););
    if (my_flags & MY_FAE)
      exit(1);
  }
  else if (my_flags & MY_ZEROFILL)
    memset(point, 0, size);
  DBUG_PRINT("exit",("ptr: %p", point));
  DBUG_RETURN(point);
}


/**