|
Server : LiteSpeed System : Linux srv104790275 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 x86_64 User : dewac4139 ( 1077) PHP Version : 8.0.30 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory : /usr/lib/modules/5.15.0-57-generic/build/scripts/coccinelle/iterators/ |
Upload File : |
// SPDX-License-Identifier: GPL-2.0-only
/// list_for_each_entry uses its first argument to get from one element of
/// the list to the next, so it is usually not a good idea to reassign it.
/// The first rule finds such a reassignment and the second rule checks
/// that there is a path from the reassignment back to the top of the loop.
///
// Confidence: High
// Copyright: (C) 2010 Nicolas Palix, DIKU.
// Copyright: (C) 2010 Julia Lawall, DIKU.
// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.
// URL: http://coccinelle.lip6.fr/
// Comments:
// Options: --no-includes --include-headers
virtual context
virtual org
virtual report
@r exists@
iterator name list_for_each_entry;
expression x,E;
position p1,p2;
@@
list_for_each_entry@p1(x,...) { <... x =@p2 E ...> }
@depends on context && !org && !report@
expression x,E;
position r.p1,r.p2;
statement S;
@@
*x =@p2 E
...
list_for_each_entry@p1(x,...) S
// ------------------------------------------------------------------------
@back depends on (org || report) && !context exists@
expression x,E;
position r.p1,r.p2;
statement S;
@@
x =@p2 E
...
list_for_each_entry@p1(x,...) S
@script:python depends on back && org@
p1 << r.p1;
p2 << r.p2;
@@
cocci.print_main("iterator",p1)
cocci.print_secs("update",p2)
@script:python depends on back && report@
p1 << r.p1;
p2 << r.p2;
@@
msg = "iterator with update on line %s" % (p2[0].line)
coccilib.report.print_report(p1[0],msg)