fix compiler warnings in public header files #1856
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core.h: buffer had virtual functions but the dtor was not virtual. format.f: fix two sign conversions warnings
vitaut
requested changes
Sep 3, 2020
| @@ -669,7 +669,7 @@ template <typename T> class buffer { | |||
| size_(sz), | |||
| capacity_(cap) {} | |||
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| ~buffer() = default; | |||
| virtual ~buffer() = default; | |||
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Is the idea behind that to keep the vtable as small as possible? If that's the case maybe by using CRTP we could get rid of the vtable at all and satisfy my compiler ;)
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http://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#Rc-dtor-virtual. CRTP is not needed here, I suggest suppressing the useless warning.
| @@ -3493,7 +3493,7 @@ inline std::string to_string(T value) { | |||
| // The buffer should be large enough to store the number including the sign or | |||
| // "false" for bool. | |||
| constexpr int max_size = detail::digits10<T>() + 2; | |||
| char buffer[max_size > 5 ? max_size : 5]; | |||
| char buffer[max_size > 5 ? static_cast<size_t>(max_size) : 5]; | |||
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Partially merged in 45da432. Thanks! |
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core.h: buffer had virtual functions but the dtor was not virtual.
format.f: fix two sign conversions warnings
This warnings occurred on clang and gcc with -Wsign-conversion and -Wnon-virtual-dtor.
I agree that my contributions are licensed under the {fmt} license, and agree to future changes to the licensing.