Commit 2cbd08253a011bd9db9a51f15a974df3a779224b
Committed by
Michal Marek
Michal Marek
1 parent
4619c2b830
Exists in
master
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scripts/coccinelle: sizeof of pointer
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
Showing 1 changed file with 65 additions and 0 deletions Side-by-side Diff
scripts/coccinelle/misc/noderef.cocci
| 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: | |
| 9 | +// Options: -no_includes -include_headers | |
| 10 | + | |
| 11 | +virtual org | |
| 12 | +virtual report | |
| 13 | +virtual context | |
| 14 | +virtual patch | |
| 15 | + | |
| 16 | +@depends on patch@ | |
| 17 | +expression *x; | |
| 18 | +expression f; | |
| 19 | +type T; | |
| 20 | +@@ | |
| 21 | + | |
| 22 | +( | |
| 23 | +x = <+... sizeof( | |
| 24 | +- x | |
| 25 | ++ *x | |
| 26 | + ) ...+> | |
| 27 | +| | |
| 28 | +f(...,(T)(x),...,sizeof( | |
| 29 | +- x | |
| 30 | ++ *x | |
| 31 | + ),...) | |
| 32 | +| | |
| 33 | +f(...,sizeof(x),...,(T)( | |
| 34 | +- x | |
| 35 | ++ *x | |
| 36 | + ),...) | |
| 37 | +) | |
| 38 | + | |
| 39 | +@r depends on !patch@ | |
| 40 | +expression *x; | |
| 41 | +expression f; | |
| 42 | +position p; | |
| 43 | +type T; | |
| 44 | +@@ | |
| 45 | + | |
| 46 | +( | |
| 47 | +*x = <+... sizeof@p(x) ...+> | |
| 48 | +| | |
| 49 | +*f(...,(T)(x),...,sizeof@p(x),...) | |
| 50 | +| | |
| 51 | +*f(...,sizeof@p(x),...,(T)(x),...) | |
| 52 | +) | |
| 53 | + | |
| 54 | +@script:python depends on org@ | |
| 55 | +p << r.p; | |
| 56 | +@@ | |
| 57 | + | |
| 58 | +cocci.print_main("application of sizeof to pointer",p) | |
| 59 | + | |
| 60 | +@script:python depends on report@ | |
| 61 | +p << r.p; | |
| 62 | +@@ | |
| 63 | + | |
| 64 | +msg = "ERROR: application of sizeof to pointer" | |
| 65 | +coccilib.report.print_report(p[0],msg) |