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Fix big-endian build. (#5205)

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For some reason, Offset<T> is being considered a scalar, which
causes EndianSwap to be passed an Offset<T>.  This doesn't work,
as it does not support types with non-trivial constructors.  This
change adds an overload to WriteScalar(), which works around this.
This commit is contained in:
Brian Wellington
2019-02-21 16:50:05 -08:00
committed by Wouter van Oortmerssen
parent 0cdacdfb35
commit a1f14005ab
1 changed files with 5 additions and 0 deletions
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5
include/flatbuffers/base.h
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@@ -363,6 +363,11 @@ void WriteScalar(void *p, T t) {
*reinterpret_cast<T *>(p) = EndianScalar(t); *reinterpret_cast<T *>(p) = EndianScalar(t);
} }
template<typename T> struct Offset;
template<typename T> __supress_ubsan__("alignment") void WriteScalar(void *p, Offset<T> t) {
*reinterpret_cast<uoffset_t *>(p) = EndianScalar(t.o);
}
// Computes how many bytes you'd have to pad to be able to write an // Computes how many bytes you'd have to pad to be able to write an
// "scalar_size" scalar if the buffer had grown to "buf_size" (downwards in // "scalar_size" scalar if the buffer had grown to "buf_size" (downwards in
// memory). // memory).