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44 lines
1.2 KiB
44 lines
1.2 KiB
2 years ago
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From 036189b0a003875df7bf09c7f7fd702267f549e5 Mon Sep 17 00:00:00 2001
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From: Karl Williamson <khw@cpan.org>
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Date: Sat, 26 Dec 2020 08:44:08 -0700
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Subject: [PATCH] Use perl.h versions of PERL_UNUSED_foo in XSUB.h
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This commit was applied to perl.h, but not to XSUB.h:
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commit a730e3f230f364cffe49370f816f975ae7c9c403
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Author: Jarkko Hietaniemi <jhi@iki.fi>
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Date: Thu Sep 4 09:08:33 2014 -0400
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Use sizeof() in UNUSED_ARG and UNUSED_VAR to avoid accessing the values.
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The values might even be uninitialized in the case of PERL_UNUSED_VAR.
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Signed-off-by: Petr Písař <ppisar@redhat.com>
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---
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XSUB.h | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/XSUB.h b/XSUB.h
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index 616d813840..c1e3959885 100644
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--- a/XSUB.h
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+++ b/XSUB.h
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@@ -108,10 +108,10 @@ is a lexical C<$_> in scope.
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*/
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#ifndef PERL_UNUSED_ARG
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-# define PERL_UNUSED_ARG(x) ((void)x)
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+# define PERL_UNUSED_ARG(x) ((void)sizeof(x))
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#endif
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#ifndef PERL_UNUSED_VAR
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-# define PERL_UNUSED_VAR(x) ((void)x)
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+# define PERL_UNUSED_VAR(x) ((void)sizeof(x))
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#endif
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#define ST(off) PL_stack_base[ax + (off)]
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--
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2.26.2
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