diff options
| author | Lioncash <mathew1800@gmail.com> | 2020-08-14 09:38:45 -0400 |
|---|---|---|
| committer | Lioncash <mathew1800@gmail.com> | 2020-08-15 17:17:52 -0400 |
| commit | df7248039553b3ebd338380c3ef0428b0e046e79 (patch) | |
| tree | eca7153300e311ac7954f5c085fdada0c7295699 /src/common/alignment.h | |
| parent | 2b601e86360ea47df5b3cb1a280177f428763837 (diff) | |
common: Make use of [[nodiscard]] where applicable
Now that clang-format makes [[nodiscard]] attributes format sensibly, we
can apply them to several functions within the common library to allow
the compiler to complain about any misuses of the functions.
Diffstat (limited to 'src/common/alignment.h')
| -rw-r--r-- | src/common/alignment.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/common/alignment.h b/src/common/alignment.h index ef4d6f8964..5040043de9 100644 --- a/src/common/alignment.h +++ b/src/common/alignment.h @@ -9,7 +9,7 @@ namespace Common { template <typename T> -constexpr T AlignUp(T value, std::size_t size) { +[[nodiscard]] constexpr T AlignUp(T value, std::size_t size) { static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); auto mod{static_cast<T>(value % size)}; value -= mod; @@ -17,31 +17,31 @@ constexpr T AlignUp(T value, std::size_t size) { } template <typename T> -constexpr T AlignDown(T value, std::size_t size) { +[[nodiscard]] constexpr T AlignDown(T value, std::size_t size) { static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); return static_cast<T>(value - value % size); } template <typename T> -constexpr T AlignBits(T value, std::size_t align) { +[[nodiscard]] constexpr T AlignBits(T value, std::size_t align) { static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); return static_cast<T>((value + ((1ULL << align) - 1)) >> align << align); } template <typename T> -constexpr bool Is4KBAligned(T value) { +[[nodiscard]] constexpr bool Is4KBAligned(T value) { static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); return (value & 0xFFF) == 0; } template <typename T> -constexpr bool IsWordAligned(T value) { +[[nodiscard]] constexpr bool IsWordAligned(T value) { static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); return (value & 0b11) == 0; } template <typename T> -constexpr bool IsAligned(T value, std::size_t alignment) { +[[nodiscard]] constexpr bool IsAligned(T value, std::size_t alignment) { using U = typename std::make_unsigned<T>::type; const U mask = static_cast<U>(alignment - 1); return (value & mask) == 0; @@ -64,7 +64,7 @@ public: template <typename T2> constexpr AlignmentAllocator(const AlignmentAllocator<T2, Align>&) noexcept {} - T* allocate(size_type n) { + [[nodiscard]] T* allocate(size_type n) { return static_cast<T*>(::operator new (n * sizeof(T), std::align_val_t{Align})); } |