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util/Cast: use std::ptrdiff_t

This commit is contained in:
Max Kellermann 2020-09-28 13:12:53 +02:00 committed by Max Kellermann
parent 4e47653cf6
commit fec80f2835
1 changed files with 5 additions and 5 deletions
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10
src/util/Cast.hxx
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@ -37,27 +37,27 @@
template<typename T, typename U> template<typename T, typename U>
constexpr T * constexpr T *
OffsetCast(U *p, ptrdiff_t offset) OffsetCast(U *p, std::ptrdiff_t offset)
{ {
return reinterpret_cast<T *>(OffsetPointer(p, offset)); return reinterpret_cast<T *>(OffsetPointer(p, offset));
} }
template<typename T, typename U> template<typename T, typename U>
constexpr T * constexpr T *
OffsetCast(const U *p, ptrdiff_t offset) OffsetCast(const U *p, std::ptrdiff_t offset)
{ {
return reinterpret_cast<const T *>(OffsetPointer(p, offset)); return reinterpret_cast<const T *>(OffsetPointer(p, offset));
} }
template<class C, class A> template<class C, class A>
constexpr ptrdiff_t constexpr std::ptrdiff_t
ContainerAttributeOffset(const C *null_c, const A C::*p) ContainerAttributeOffset(const C *null_c, const A C::*p)
{ {
return ptrdiff_t((const char *)&(null_c->*p) - (const char *)null_c); return std::ptrdiff_t((const char *)&(null_c->*p) - (const char *)null_c);
} }
template<class C, class A> template<class C, class A>
constexpr ptrdiff_t constexpr std::ptrdiff_t
ContainerAttributeOffset(const A C::*p) ContainerAttributeOffset(const A C::*p)
{ {
return ContainerAttributeOffset<C, A>(nullptr, p); return ContainerAttributeOffset<C, A>(nullptr, p);