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!13 fix some bug: fix-undefined-behaviour adn support-conform-for-vector-of-unions

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From: @YeFeng_24
Reviewed-by: @overweight
Signed-off-by: @overweight
This commit is contained in:
openeuler-ci-bot 2021-11-18 01:34:52 +00:00 committed by Gitee
commit 11d39ccf1f
2 changed files with 33 additions and 2 deletions
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27
0005-fix-undefined-behaviour.patch Normal file
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@ -0,0 +1,27 @@
From 57ee742cb1d2a2902dd5e00af5da9293aa11326c Mon Sep 17 00:00:00 2001
From: yefeng <yefeng24@huawei.com>
Date: Wed, 17 Nov 2021 14:49:42 +0800
Subject: [PATCH 1/2] fix undefined behaviour
---
include/flatbuffers/flatbuffers.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/include/flatbuffers/flatbuffers.h b/include/flatbuffers/flatbuffers.h
index e652e40..42c4fa8 100644
--- a/include/flatbuffers/flatbuffers.h
+++ b/include/flatbuffers/flatbuffers.h
@@ -1808,7 +1808,9 @@ class FlatBufferBuilder {
template<typename T>
Offset<Vector<const T *>> CreateVectorOfStructs(const T *v, size_t len) {
StartVector(len * sizeof(T) / AlignOf<T>(), AlignOf<T>());
- PushBytes(reinterpret_cast<const uint8_t *>(v), sizeof(T) * len);
+ if (len > 0) {
+ PushBytes(reinterpret_cast<const uint8_t *>(v), sizeof(T) * len);
+ }
return Offset<Vector<const T *>>(EndVector(len));
}
--
2.17.1

8
flatbuffers.spec
View File

@ -5,7 +5,7 @@
%endif %endif
Name: flatbuffers Name: flatbuffers
Version: 2.0.0 Version: 2.0.0
Release: 3 Release: 4
Summary: Memory efficient serialization library Summary: Memory efficient serialization library
License: Apache-2.0 License: Apache-2.0
URL: https://github.com/google/flatbuffers URL: https://github.com/google/flatbuffers
@ -17,6 +17,7 @@ Patch0: 0001-Fix-compiler-warning-Wredundant-parens.patch
Patch1: 0002-typo-fixes-in-comments.patch Patch1: 0002-typo-fixes-in-comments.patch
Patch2: 0003-Changes-to-support-binary-schema-file-loading-and-pa.patch Patch2: 0003-Changes-to-support-binary-schema-file-loading-and-pa.patch
Patch3: 0004-output-errors-instead-of-stdout.patch Patch3: 0004-output-errors-instead-of-stdout.patch
Patch4: 0005-fix-undefined-behaviour.patch
BuildRequires: gcc-c++ cmake >= 2.8.9 BuildRequires: gcc-c++ cmake >= 2.8.9
Provides: bundled(grpc) Provides: bundled(grpc)
@ -75,7 +76,10 @@ make test
%{_libdir}/cmake/flatbuffers/*.cmake %{_libdir}/cmake/flatbuffers/*.cmake
%changelog %changelog
* Wed Nov 15 2021 yefeng <yefeng24@huawei.com> - 2.0.0-3 * Wed Nov 17 2021 yefeng <yefeng24@huawei.com> - 2.0.0-4
- fix undefined behaviour
* Mon Nov 15 2021 yefeng <yefeng24@huawei.com> - 2.0.0-3
- output errors instead of stdout, Typo fixes in comments and Changes to support binary schema file - output errors instead of stdout, Typo fixes in comments and Changes to support binary schema file
* Wed Nov 11 2021 yefeng <yefeng24@huawei.com> - 2.0.0-2 * Wed Nov 11 2021 yefeng <yefeng24@huawei.com> - 2.0.0-2