https://bugs.documentfoundation.org/show_bug.cgi?id=100157
Bug ID: 100157
Summary: Compilling with gcc flag
-Wzero-as-null-pointer-constant triggers warnings
Product: cppunit
Version: 1.13
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: General
Assignee: [email protected]
Reporter: [email protected]
Created attachment 125410
--> https://bugs.documentfoundation.org/attachment.cgi?id=125410&action=edit
Patch proposal
I'm currently building our project with gcc 5.2.
Using cppunit cppunit/extensions/HelperMacros.h header with gcc flag
-Wzero-as-null-pointer-constant triggers warnings:
[...]include/cppunit/extensions/HelperMacros.h:171:31: error: zero as null
pointer constant [-Werror=zero-as-null-pointer-constant]
CppUnitExDeleter() : suite (0) {} \
^
[...]include/cppunit/extensions/HelperMacros.h:174:45: error: zero as null
pointer constant [-Werror=zero-as-null-pointer-constant]
CPPUNIT_NS::TestSuite *tmp = suite; suite = NULL; return tmp; \
^
As stated in gcc documentation, this warning is used to facilitate the
conversion to nullptr in C++11 [1]
Using nullptr is the c++11 way to initialize pointers with null value [2].
I've created a patch for the branch feature/c++11.
[1] https://gcc.gnu.org/onlinedocs/gcc-5.2.0/gcc/Warning-Options.html
[2] http://en.cppreference.com/w/cpp/language/nullptr
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