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fix(build): Ignore noexcept-type for malloc_ptr_t

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Since all of polybar is built at once, there is no chance that this is
ever linked to an object that was compiled with another `-std=`

Ref: https://stackoverflow.com/a/46857525/5363071
This commit is contained in:
patrick96 2019-10-23 00:47:13 +02:00 committed by Patrick Ziegler
parent bffec3d8f2
commit 8b310cc05d
1 changed files with 10 additions and 1 deletions
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11
include/utils/memory.hpp
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@ -12,11 +12,20 @@ using malloc_ptr_t = shared_ptr<T>;
namespace memory_util {
/**
* Create a shared pointer using malloc/free
*
* Generates a noexcept-type warning because the mangled name for
* malloc_ptr_t will change in C++17. This doesn't affect use because we have
* no public ABI, so we ignore it here.
* See also this SO answer: https://stackoverflow.com/a/46857525/5363071
*/
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wnoexcept-type"
template <typename T, size_t Size = sizeof(T), typename Deleter = decltype(std::free)>
inline malloc_ptr_t<T> make_malloc_ptr(Deleter deleter = std::free) {
return malloc_ptr_t<T>(static_cast<T*>(calloc(1, Size)), deleter);
}
#pragma GCC diagnostic pop
/**
* Get the number of elements in T
@ -25,6 +34,6 @@ namespace memory_util {
inline auto countof(T& p) {
return sizeof(p) / sizeof(p[0]);
}
}
} // namespace memory_util
POLYBAR_NS_END