1 // SPDX-License-Identifier: GPL-2.0-only
2 /// list_for_each_entry uses its first argument to get from one element of
3 /// the list to the next, so it is usually not a good idea to reassign it.
4 /// The first rule finds such a reassignment and the second rule checks
5 /// that there is a path from the reassignment back to the top of the loop.
8 // Copyright: (C) 2010 Nicolas Palix, DIKU.
9 // Copyright: (C) 2010 Julia Lawall, DIKU.
10 // Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.
11 // URL: http://coccinelle.lip6.fr/
13 // Options: --no-includes --include-headers
20 iterator name list_for_each_entry;
25 list_for_each_entry@p1(x,...) { <... x =@p2 E ...> }
27 @depends on context && !org && !report@
35 list_for_each_entry@p1(x,...) S
37 // ------------------------------------------------------------------------
39 @back depends on (org || report) && !context exists@
47 list_for_each_entry@p1(x,...) S
49 @script:python depends on back && org@
54 cocci.print_main("iterator",p1)
55 cocci.print_secs("update",p2)
57 @script:python depends on back && report@
62 msg = "iterator with update on line %s" % (p2[0].line)
63 coccilib.report.print_report(p1[0],msg)