GNU bug report logs - #48516
diff.c:764: possible wrong operator ?

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Package: diffutils;

Reported by: David Binderman <dcb314 <at> hotmail.com>

Date: Wed, 19 May 2021 10:23:02 UTC

Severity: normal

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Report forwarded to bug-diffutils <at> gnu.org:
bug#48516; Package diffutils. (Wed, 19 May 2021 10:23:02 GMT) Full text and rfc822 format available.
Acknowledgement sent to David Binderman <dcb314 <at> hotmail.com>:
New bug report received and forwarded. Copy sent to bug-diffutils <at> gnu.org. (Wed, 19 May 2021 10:23:02 GMT) Full text and rfc822 format available.

Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: David Binderman <dcb314 <at> hotmail.com>
To: "bug-diffutils <at> gnu.org" <bug-diffutils <at> gnu.org>
Subject: diff.c:764: possible wrong operator ?
Date: Wed, 19 May 2021 10:07:08 +0000

Hello there,

I just tried to compile diffutils-3.7 with clang. It said:

diff.c:764:8: warning: bitwise negation of a boolean expression; did you mean logical negation? [-Wbool-operation]

Source code is

  files_can_be_treated_as_binary =
    (brief & binary
     & ~ (ignore_blank_lines | ignore_case | strip_trailing_cr
          | (ignore_regexp_list.regexps || ignore_white_space)));

Maybe better code:

  files_can_be_treated_as_binary =
    (brief & binary
     & ! (ignore_blank_lines | ignore_case | strip_trailing_cr
          | (ignore_regexp_list.regexps || ignore_white_space)));

Regards

David Binderman
This bug report was last modified 3 years and 192 days ago.

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