summaryrefslogtreecommitdiffstats
path: root/kernel/scripts/coccinelle/misc/noderef.cocci
blob: 80a831c91161a88deb402a5d4b99beb889d60484 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
/// sizeof when applied to a pointer typed expression gives the size of
/// the pointer
///
// Confidence: High
// Copyright: (C) 2012 Julia Lawall, INRIA/LIP6.  GPLv2.
// Copyright: (C) 2012 Gilles Muller, INRIA/LiP6.  GPLv2.
// URL: http://coccinelle.lip6.fr/
// Comments:
// Options: --no-includes --include-headers

virtual org
virtual report
virtual context
virtual patch

@depends on patch@
expression *x;
expression f;
type T;
@@

(
x = <+... sizeof(
- x
+ *x
   ) ...+>
|
f(...,(T)(x),...,sizeof(
- x
+ *x
   ),...)
|
f(...,sizeof(x),...,(T)(
- x
+ *x
   ),...)
)

@r depends on !patch@
expression *x;
expression f;
position p;
type T;
@@

(
*x = <+... sizeof@p(x) ...+>
|
*f(...,(T)(x),...,sizeof@p(x),...)
|
*f(...,sizeof@p(x),...,(T)(x),...)
)

@script:python depends on org@
p << r.p;
@@

cocci.print_main("application of sizeof to pointer",p)

@script:python depends on report@
p << r.p;
@@

msg = "ERROR: application of sizeof to pointer"
coccilib.report.print_report(p[0],msg)