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/// 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)
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