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linux-headers-6.8.0-83-generic
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swap.cocci
// SPDX-License-Identifier: GPL-2.0-only /// /// Check for opencoded swap() implementation. /// // Confidence: High // Copyright: (C) 2021 Denis Efremov ISPRAS // Options: --no-includes --include-headers // // Keywords: swap // virtual patch virtual org virtual report virtual context @rvar depends on !patch@ identifier tmp; expression a, b; type T; position p; @@ ( * T tmp; | * T tmp = 0; | * T *tmp = NULL; ) ... when != tmp * tmp = a; * a = b;@p * b = tmp; ... when != tmp @r depends on !patch@ identifier tmp; expression a, b; position p != rvar.p; @@ * tmp = a; * a = b;@p * b = tmp; @rpvar depends on patch@ identifier tmp; expression a, b; type T; @@ ( - T tmp; | - T tmp = 0; | - T *tmp = NULL; ) ... when != tmp - tmp = a; - a = b; - b = tmp + swap(a, b) ; ... when != tmp @rp depends on patch@ identifier tmp; expression a, b; @@ - tmp = a; - a = b; - b = tmp + swap(a, b) ; @depends on patch && (rpvar || rp)@ @@ ( for (...;...;...) - { swap(...); - } | while (...) - { swap(...); - } | if (...) - { swap(...); - } ) @script:python depends on report@ p << r.p; @@ coccilib.report.print_report(p[0], "WARNING opportunity for swap()") @script:python depends on org@ p << r.p; @@ coccilib.org.print_todo(p[0], "WARNING opportunity for swap()") @script:python depends on report@ p << rvar.p; @@ coccilib.report.print_report(p[0], "WARNING opportunity for swap()") @script:python depends on org@ p << rvar.p; @@ coccilib.org.print_todo(p[0], "WARNING opportunity for swap()")
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