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Fixed warning "maybe uninitialized" (issue #909)

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This commit is contained in:
Benoit Blanchon
2019-02-28 12:20:46 +01:00
parent f483b06735
commit 5c297ba4a2
3 changed files with 9 additions and 0 deletions
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1
CHANGELOG.md
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@@ -5,6 +5,7 @@ HEAD
----
* Fixed warning "unused variable" with GCC 4.4 (issue #912)
* Fixed warning "maybe uninitialized" (issue #909)
v5.13.4
-------

2
src/ArduinoJson/JsonVariantImpl.hpp
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@@ -23,6 +23,7 @@ inline JsonVariant::JsonVariant(const JsonArray &array) {
_content.asArray = const_cast<JsonArray *>(&array);
} else {
_type = Internals::JSON_UNDEFINED;
_content.asArray = 0; // <- prevent warning 'maybe-uninitialized'
}
}
@@ -32,6 +33,7 @@ inline JsonVariant::JsonVariant(const JsonObject &object) {
_content.asObject = const_cast<JsonObject *>(&object);
} else {
_type = Internals::JSON_UNDEFINED;
_content.asObject = 0; // <- prevent warning 'maybe-uninitialized'
}
}

6
test/CMakeLists.txt
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@@ -46,6 +46,12 @@ if(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 4.6)
add_compile_options(-Wnoexcept)
endif()
if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 4.7 AND
CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
# avoid false positive with GCC 4.7
add_compile_options(-Wno-maybe-uninitialized)
endif()
endif()
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")