Function dynstr_realloc

mysys/string.c:77–91

my_bool dynstr_realloc(DYNAMIC_STRING *str, size_t additional_size)
{
  DBUG_ENTER("dynstr_realloc");

  if (!additional_size) DBUG_RETURN(FALSE);
  if (str->length + additional_size > str->max_length)
  {
    str->max_length=((str->length + additional_size+str->alloc_increment-1)/
		     str->alloc_increment)*str->alloc_increment;
    if (!(str->str=(char*) my_realloc(key_memory_DYNAMIC_STRING, str->str,
                                      str->max_length, MYF(MY_WME))))
      DBUG_RETURN(TRUE);
  }
  DBUG_RETURN(FALSE);
}


my_bool dynstr_append(DYNAMIC_STRING *str, const char *append)