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Subject: [Bug analyzer/106298] RFE: analyzer handling of dup, dup2, and dup3
Date: Tue, 02 Aug 2022 16:54:37 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106298

--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Immad Mir <mir@gcc.gnu.org>:

https://gcc.gnu.org/g:6a11f2d974a912aaaedb0ce32cdfde10193003cd

commit r13-1936-g6a11f2d974a912aaaedb0ce32cdfde10193003cd
Author: Immad Mir <mirimmad@outlook.com>
Date:   Tue Aug 2 22:22:07 2022 +0530

    analyzer: support for creat, dup, dup2 and dup3 [PR106298]

    This patch extends the state machine in sm-fd.cc to support
    creat, dup, dup2 and dup3 functions.

    Lightly tested on x86_64 Linux.

    gcc/analyzer/ChangeLog:
            PR analyzer/106298
            * sm-fd.cc (fd_state_machine::on_open): Add
            creat, dup, dup2 and dup3 functions.
            (enum dup): New.
            (fd_state_machine::valid_to_unchecked_state): New.
            (fd_state_machine::on_creat): New.
            (fd_state_machine::on_dup): New.

    gcc/testsuite/ChangeLog:
            PR analyzer/106298
            * gcc.dg/analyzer/fd-1.c: Add tests for 'creat'.
            * gcc.dg/analyzer/fd-2.c: Likewise.
            * gcc.dg/analyzer/fd-4.c: Likewise.
            * gcc.dg/analyzer/fd-dup-1.c: New tests.

    Signed-off-by: Immad Mir <mirimmad@outlook.com>=