lkml.org 
[lkml]   [2007]   [Aug]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC PATCH] type safe allocator
From
Date
> >> > 
> >> > #define k_new(type, flags) ((type *) kmalloc(sizeof(type), flags))
> >>
> >> The cast doesn't make it more safe in any way
> >
> >I does, since a warning will be issued, if the type of the assigned
> >pointer doesn't match the requested allocation.
> >
> >And yes, warnings are _very_ useful in C for enforcing type safety.
>
> void *p;
> p = (struct foo *)kmalloc(sizeof(struct foo), GFP_KERNEL);

Using void pointers is _obviously_ not type safe. What has that got
to do with k_new()?

Miklos
-
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/

\
 
 \ /
  Last update: 2007-08-01 13:59    [W:0.037 / U:2.852 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site