This crash was due to the fact that we were passing `nullptr` as a `const
char*` parameter and relying on that implicitly converting into an empty
`absl::string_view`. `absl::string_view` supports that functionality, but
starting with C++17 its behavior changes since it's just a type alias for
`std::string_view`. `std::string_view` does not have any special conversion for
nullptr and so we were just getting crashes.
PiperOrigin-RevId: 530431663
CMake has fairly strict backwards compatibility behavior. Saying `cmake_minimum_required(VERSION 3.10)` has two effects:
- It requires CMake to be version 3.10 or higher
- It configures CMake to behave exactly as it did in version 3.10
The code used to override some policies to get newer behavior if it was available. The alternative syntax in this PR says "require at least 3.10, and use the behavior (when available) up to 3.26". We can omit policy overrides by doing so. It does not seem like any other policies are important, so we can use the simpler syntax.
Closes#12712
COPYBARA_INTEGRATE_REVIEW=https://github.com/protocolbuffers/protobuf/pull/12712 from coryan:cleanup-cmake-automatically-use-newer-policies 36db0fa17e
PiperOrigin-RevId: 530376446
- Move several operations from MapField/DynamicMapField into TypeDefinedMapFieldBase.
- Change MapIterator to keep an iterator inline instead of new/delete.
- Change RepeatedPtrField usage to always be RepeatedPtrField<Message>.
PiperOrigin-RevId: 530375616
Warnings in header files can be a problem for consumers that enable `/WX` (or `-Werror`). In this case, using `... & -align` produces a warning (C4146) with MSVC. The fix is to use equivalent expression `... & ~(align - 1)`, which was already used in the same file.
Fixes#12675Closes#12697
COPYBARA_INTEGRATE_REVIEW=https://github.com/protocolbuffers/protobuf/pull/12697 from coryan:fix-msvc-warnings-in-arena-align 835f3b489a
PiperOrigin-RevId: 530137165
On Wndows, `size_t` is 64-bits, and `int` is 32-bits. That makes conversions from `size_t` to `int` potentially lossy, and they generate warnings. In this case an `int` variable was assigned to `size_t` and then passed to functions consuming `int`. Seems simpler to use `auto` and avoid these problems altogether.
Closes#12701
COPYBARA_INTEGRATE_REVIEW=https://github.com/protocolbuffers/protobuf/pull/12701 from coryan:fix-warnings-repeated-field-warnings-in-msvc b1ec34de77
PiperOrigin-RevId: 530134611
When the protobuf libraries have been compiled as shared libraries the users of the library need to add `-DPROTOBUF_USE_DLLS` to their build line. Otherwise some symbols are missing.
Fixes#12699
FWIW, I am not sure this is an ideal fix. It may be better to fix the headers such that no macros change the ABI.
Closes#12700
COPYBARA_INTEGRATE_REVIEW=https://github.com/protocolbuffers/protobuf/pull/12700 from coryan:fix-define-protobuf-use-dlls-in-pkg-config-file 13c792eebd
PiperOrigin-RevId: 530116678
Warnings in header files can be a problem for consumers that enable `/WX` (or `-Werror`). In this case, using `... & -align` produces a warning (C4146) with MSVC. The fix is to use equivalent expression `... & ~(align - 1)`, which was already used in the same file.
Fixes#12675Closes#12697
COPYBARA_INTEGRATE_REVIEW=https://github.com/protocolbuffers/protobuf/pull/12697 from coryan:fix-msvc-warnings-in-arena-align 835f3b489a
PiperOrigin-RevId: 530137165
On Wndows, `size_t` is 64-bits, and `int` is 32-bits. That makes conversions from `size_t` to `int` potentially lossy, and they generate warnings. In this case an `int` variable was assigned to `size_t` and then passed to functions consuming `int`. Seems simpler to use `auto` and avoid these problems altogether.
Closes#12701
COPYBARA_INTEGRATE_REVIEW=https://github.com/protocolbuffers/protobuf/pull/12701 from coryan:fix-warnings-repeated-field-warnings-in-msvc b1ec34de77
PiperOrigin-RevId: 530134611
When the protobuf libraries have been compiled as shared libraries the users of the library need to add `-DPROTOBUF_USE_DLLS` to their build line. Otherwise some symbols are missing.
Fixes#12699
FWIW, I am not sure this is an ideal fix. It may be better to fix the headers such that no macros change the ABI.
Closes#12700
COPYBARA_INTEGRATE_REVIEW=https://github.com/protocolbuffers/protobuf/pull/12700 from coryan:fix-define-protobuf-use-dlls-in-pkg-config-file 13c792eebd
PiperOrigin-RevId: 530116678
Note: gcc only supports docker images down to 9.5, and the 7.3 image is very old and problematic. A follow-up change might enable testing for GCC 7.3, which is our minimal supported version
PiperOrigin-RevId: 529885733
Note: gcc only supports docker images down to 9.5, and the 7.3 image is very old and problematic. A follow-up change might enable testing for GCC 7.3, which is our minimal supported version
PiperOrigin-RevId: 529885733
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Protobuf Team Bot
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Matt Fowles Kulukundis
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Mike Kruskal
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