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Fix writing back vector streams

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This commit is contained in:
Robbert van der Helm
2020-12-17 23:43:52 +01:00
parent 68c7b9b081
commit 8066e1d2ee
1 changed files with 6 additions and 5 deletions
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src/common/serialization/vst3/base.cpp
+6 -5
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@@ -229,11 +229,12 @@ tresult VectorStream::write_back(Steinberg::IBStream* stream) const {
int32 num_bytes_written;
assert(stream->seek(0, kIBSeekSet) == Steinberg::kResultOk);
assert(stream->write(const_cast<uint8_t*>(buffer.data()), buffer.size(),
&num_bytes_written) == Steinberg::kResultOk);
assert(num_bytes_written == 0 ||
static_cast<size_t>(num_bytes_written) == buffer.size());
// When writing zero bytes, some hosts will return `kResultFalse`
if (stream->write(const_cast<uint8_t*>(buffer.data()), buffer.size(),
&num_bytes_written) == Steinberg::kResultOk) {
assert(num_bytes_written == 0 ||
static_cast<size_t>(num_bytes_written) == buffer.size());
}
return Steinberg::kResultOk;
}