lkml.org 
[lkml]   [2007]   [Aug]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC PATCH] type safe allocator

On Aug 1 2007 12:45, Miklos Szeredi wrote:
>> >
>> > #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);



Jan
--
-
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 13:47    [W:0.054 / U:5.988 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site