From 2cbd08253a011bd9db9a51f15a974df3a779224b Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Sat, 21 Apr 2012 20:23:48 +0200 Subject: scripts/coccinelle: sizeof of pointer Signed-off-by: Julia Lawall Signed-off-by: Michal Marek --- scripts/coccinelle/misc/noderef.cocci | 65 +++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 scripts/coccinelle/misc/noderef.cocci (limited to 'scripts/coccinelle') diff --git a/scripts/coccinelle/misc/noderef.cocci b/scripts/coccinelle/misc/noderef.cocci new file mode 100644 index 000000000000..c1707214e602 --- /dev/null +++ b/scripts/coccinelle/misc/noderef.cocci @@ -0,0 +1,65 @@ +/// 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) -- cgit v1.2.3-59-g8ed1b