Messages in this thread | | | Date | Wed, 1 Aug 2007 11:29:09 +0200 | From | Adrian Bunk <> | Subject | Re: [RFC PATCH] type safe allocator |
| |
On Wed, Aug 01, 2007 at 11:06:46AM +0200, Miklos Szeredi wrote: > I wonder why we don't have type safe object allocators a-la new() in > C++ or g_new() in glib? > > fooptr = k_new(struct foo, GFP_KERNEL); > > is nicer and more descriptive than > > fooptr = kmalloc(sizeof(*fooptr), GFP_KERNEL); >...
But it's much more likely to break when someone converts fooptr to a different struct.
It might not be a common case but it sometimes happens - and your type safe variant introduces the possibility for really nasty bugs.
cu Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |