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Commit | Line | Data |
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2cbd0825 JL |
1 | /// sizeof when applied to a pointer typed expression gives the size of |
2 | /// the pointer | |
3 | /// | |
4 | // Confidence: High | |
5 | // Copyright: (C) 2012 Julia Lawall, INRIA/LIP6. GPLv2. | |
6 | // Copyright: (C) 2012 Gilles Muller, INRIA/LiP6. GPLv2. | |
7 | // URL: http://coccinelle.lip6.fr/ | |
8 | // Comments: | |
93f14468 | 9 | // Options: --no-includes --include-headers |
2cbd0825 JL |
10 | |
11 | virtual org | |
12 | virtual report | |
13 | virtual context | |
14 | virtual patch | |
15 | ||
16 | @depends on patch@ | |
17 | expression *x; | |
18 | expression f; | |
bf56cc04 | 19 | expression i; |
2cbd0825 JL |
20 | type T; |
21 | @@ | |
22 | ||
23 | ( | |
24 | x = <+... sizeof( | |
25 | - x | |
26 | + *x | |
27 | ) ...+> | |
28 | | | |
29 | f(...,(T)(x),...,sizeof( | |
30 | - x | |
31 | + *x | |
32 | ),...) | |
33 | | | |
bf56cc04 VT |
34 | f(...,sizeof( |
35 | - x | |
36 | + *x | |
37 | ),...,(T)(x),...) | |
38 | | | |
39 | f(...,(T)(x),...,i*sizeof( | |
2cbd0825 JL |
40 | - x |
41 | + *x | |
42 | ),...) | |
bf56cc04 VT |
43 | | |
44 | f(...,i*sizeof( | |
45 | - x | |
46 | + *x | |
47 | ),...,(T)(x),...) | |
2cbd0825 JL |
48 | ) |
49 | ||
50 | @r depends on !patch@ | |
51 | expression *x; | |
52 | expression f; | |
bf56cc04 | 53 | expression i; |
2cbd0825 JL |
54 | position p; |
55 | type T; | |
56 | @@ | |
57 | ||
58 | ( | |
59 | *x = <+... sizeof@p(x) ...+> | |
60 | | | |
61 | *f(...,(T)(x),...,sizeof@p(x),...) | |
62 | | | |
63 | *f(...,sizeof@p(x),...,(T)(x),...) | |
bf56cc04 VT |
64 | | |
65 | *f(...,(T)(x),...,i*sizeof@p(x),...) | |
66 | | | |
67 | *f(...,i*sizeof@p(x),...,(T)(x),...) | |
2cbd0825 JL |
68 | ) |
69 | ||
70 | @script:python depends on org@ | |
71 | p << r.p; | |
72 | @@ | |
73 | ||
74 | cocci.print_main("application of sizeof to pointer",p) | |
75 | ||
76 | @script:python depends on report@ | |
77 | p << r.p; | |
78 | @@ | |
79 | ||
80 | msg = "ERROR: application of sizeof to pointer" | |
81 | coccilib.report.print_report(p[0],msg) |