Chris Robinson
36 lines
631 B
C++
36 lines
631 B
C++
#ifndef AL_BIT_H
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#define AL_BIT_H
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namespace al {
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#ifdef __BYTE_ORDER__
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enum class endian {
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little = __ORDER_LITTLE_ENDIAN__,
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big = __ORDER_BIG_ENDIAN__,
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native = __BYTE_ORDER__
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};
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#else
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/* This doesn't support mixed-endian. */
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namespace detail_ {
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constexpr inline bool EndianTest() noexcept
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{
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static_assert(sizeof(char) < sizeof(int), "char is too big");
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constexpr int test_val{1};
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return static_cast<const char&>(test_val);
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}
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} // namespace detail_
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enum class endian {
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little = 0,
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big = 1,
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native = detail_::EndianTest() ? little : big
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};
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#endif
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} // namespace al
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#endif /* AL_BIT_H */
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