| Server IP : 61.19.30.66 / Your IP : 216.73.216.15 Web Server : Apache/2.2.22 (Ubuntu) System : Linux klw 3.11.0-15-generic #25~precise1-Ubuntu SMP Thu Jan 30 17:39:31 UTC 2014 x86_64 User : www-data ( 33) PHP Version : 5.3.10-1ubuntu3.48 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, MySQL : ON | cURL : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /lib/modules/3.11.0-15-generic/build/scripts/coccinelle/misc/ |
Upload File : |
/// Check for constants that are added but are used elsewhere as bitmasks
/// The results should be checked manually to ensure that the nonzero
/// bits in the two constants are actually disjoint.
///
// Confidence: Moderate
// Copyright: (C) 2013 Julia Lawall, INRIA/LIP6. GPLv2.
// Copyright: (C) 2013 Gilles Muller, INRIA/LIP6. GPLv2.
// URL: http://coccinelle.lip6.fr/
// Comments:
// Options: --no-includes --include-headers
virtual org
virtual report
virtual context
@r@
constant c;
identifier i;
expression e;
@@
(
e | c@i
|
e & c@i
|
e |= c@i
|
e &= c@i
)
@s@
constant r.c,c1;
identifier i1;
position p;
@@
(
c1 + c - 1
|
*c1@i1 +@p c
)
@script:python depends on org@
p << s.p;
@@
cocci.print_main("sum of probable bitmasks, consider |",p)
@script:python depends on report@
p << s.p;
@@
msg = "WARNING: sum of probable bitmasks, consider |"
coccilib.report.print_report(p[0],msg)