40 lines
1.3 KiB
Diff
40 lines
1.3 KiB
Diff
From 8cc6b5ee3ac27355ae95c4ce0d60d4e70ad9bbd6 Mon Sep 17 00:00:00 2001
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From: Mamoru TASAKA <mtasaka@fedoraproject.org>
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Date: Wed, 1 Dec 2021 20:23:31 +0900
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Subject: [PATCH] grib_api_internal.h: reverse definition of FAST_BIG_ENDIAN
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In grib_api_internal.h, currently on big endian system, FAST_BIG_ENDIAN is defined
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if GRIB_MEM_ALIGN is *not* defined.
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On the other hand, for example in src/grib_bits.c, when FAST_BIG_ENDIAN is defined
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"grib_bits_fast_big_endian.c" is included, otherwise "grib_bits_any_endian.c" is
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included.
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As "grib_bits_any_endian.c" is used also in x86_64 system, it is reasonable to think that
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the original intention is that "grib_bits_fast_big_endian.c" needs some alignment
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condition, and uses such condition for optimization, otherwise "grib_bits_any_endian.c"
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should be used, so it is natural to think that the condition on grib_api_internal.h
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is opposite.
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---
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src/grib_api_internal.h | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/src/grib_api_internal.h b/src/grib_api_internal.h
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index 3b8fae3c..0c8fcf17 100644
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--- a/src/grib_api_internal.h
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+++ b/src/grib_api_internal.h
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@@ -40,9 +40,9 @@ extern "C" {
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#if IS_BIG_ENDIAN
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#if GRIB_MEM_ALIGN
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-#define FAST_BIG_ENDIAN 0
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-#else
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#define FAST_BIG_ENDIAN 1
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+#else
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+#define FAST_BIG_ENDIAN 0
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#endif
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#endif
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--
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2.33.1
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