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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug modula2/110631] Bug in FIO.WriteCardinal
Date: Sat, 22 Jul 2023 09:02:34 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110631

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

https://gcc.gnu.org/g:73cc6ce1294ec35e9322b1bbc91009cfc76f732b

commit r14-2725-g73cc6ce1294ec35e9322b1bbc91009cfc76f732b
Author: Gaius Mulley <gaiusmod2@gmail.com>
Date:   Sat Jul 22 10:01:02 2023 +0100

    PR modula2/110631 Bugfix to FIO WriteCardinal

    FIO.WriteCardinal fails to write binary data.  This patch fixes two
    bugs in FIO.mod and provides a testcase which writes and reads binary
    cardinals.  There was an off by one error when using HIGH (a) to
    determine the number of bytes and the dest/src pointers were switched
    when calling memcpy.

    gcc/m2/ChangeLog:

            PR modula2/110631
            * gm2-libs/FIO.def (ReadAny): Correct comment as
            HIGH (a) + 1 is number of bytes.
            (WriteAny): Correct comment as HIGH (a) + 1 is number of
            bytes.
            * gm2-libs/FIO.mod (ReadAny): Correct comment as
            HIGH (a) + 1 is number of bytes.  Also pass HIGH (a) + 1
            to BufferedRead.
            (WriteAny): Correct comment as HIGH (a) + 1 is number of
            bytes.  Also pass HIGH (a) + 1 to BufferedWrite.
            (BufferedWrite): Rename parameter a to src, rename variable
            t to dest.  Correct parameter order to memcpy.

    gcc/testsuite/ChangeLog:

            PR modula2/110631
            * gm2/pimlib/run/pass/testfiobinary.mod: New test.

    Signed-off-by: Gaius Mulley <gaiusmod2@gmail.com>=