name : doubleinit.cocci // SPDX-License-Identifier: GPL-2.0-only /// Find duplicate field initializations. This has a high rate of false /// positives due to #ifdefs, which Coccinelle is not aware of in a structure /// initialization. /// // Confidence: Low // Copyright: (C) 2010-2012 Nicolas Palix. // Copyright: (C) 2010-2012 Julia Lawall, INRIA/LIP6. // Copyright: (C) 2010-2012 Gilles Muller, INRIA/LiP6. // URL: https://coccinelle.gitlabpages.inria.fr/website // Comments: requires at least Coccinelle 0.2.4, lex or parse error otherwise // Options: --no-includes --include-headers virtual org virtual report @r@ identifier I, s, fld; position p0,p; expression E; @@ struct I s =@p0 { ..., .fld@p = E, ...}; @s@ identifier I, s, r.fld; position r.p0,p; expression E; @@ struct I s =@p0 { ..., .fld@p = E, ...}; @script:python depends on org@ p0 << r.p0; fld << r.fld; ps << s.p; pr << r.p; @@ if int(ps[0].line) < int(pr[0].line) or (int(ps[0].line) == int(pr[0].line) and int(ps[0].column) < int(pr[0].column)): cocci.print_main(fld,p0) cocci.print_secs("s",ps) cocci.print_secs("r",pr) @script:python depends on report@ p0 << r.p0; fld << r.fld; ps << s.p; pr << r.p; @@ if int(ps[0].line) < int(pr[0].line) or (int(ps[0].line) == int(pr[0].line) and int(ps[0].column) < int(pr[0].column)): msg = "%s: first occurrence line %s, second occurrence line %s" % (fld,ps[0].line,pr[0].line) coccilib.report.print_report(p0[0],msg)