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util/{Const,Writable}Buffer: add static_assert to FromVoid()

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Max Kellermann
2017-11-10 19:43:17 +01:00
parent 49784513b1
commit 2670e13cbd
2 changed files with 2 additions and 0 deletions
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1
src/util/ConstBuffer.hxx
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@@ -144,6 +144,7 @@ struct ConstBuffer {
constexpr constexpr
#endif #endif
static ConstBuffer<T> FromVoid(ConstBuffer<void> other) { static ConstBuffer<T> FromVoid(ConstBuffer<void> other) {
static_assert(sizeof(T) > 0, "Empty base type");
#ifndef NDEBUG #ifndef NDEBUG
assert(other.size % sizeof(T) == 0); assert(other.size % sizeof(T) == 0);
#endif #endif

1
src/util/WritableBuffer.hxx
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@@ -138,6 +138,7 @@ struct WritableBuffer {
constexpr constexpr
#endif #endif
static WritableBuffer<T> FromVoid(WritableBuffer<void> other) { static WritableBuffer<T> FromVoid(WritableBuffer<void> other) {
static_assert(sizeof(T) > 0, "Empty base type");
#ifndef NDEBUG #ifndef NDEBUG
assert(other.size % sizeof(T) == 0); assert(other.size % sizeof(T) == 0);
#endif #endif