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Kernel: Make KBufferBuilder::append() & friends return KResult

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This allows callers to react to a failed append (due to OOM.)
This commit is contained in:
Andreas Kling
2021-09-06 18:24:13 +02:00
parent b096e85777
commit 2065ced8f6
7 changed files with 63 additions and 42 deletions
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9
Kernel/FileSystem/Plan9FileSystem.cpp
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@@ -178,7 +178,8 @@ private:
Message& append_number(N number)
{
VERIFY(!m_have_been_built);
m_builder.append(reinterpret_cast<const char*>(&number), sizeof(number));
// FIXME: Handle append failure.
(void)m_builder.append(reinterpret_cast<const char*>(&number), sizeof(number));
return *this;
}
@@ -264,14 +265,16 @@ Plan9FS::Message& Plan9FS::Message::operator<<(u64 number)
Plan9FS::Message& Plan9FS::Message::operator<<(const StringView& string)
{
*this << static_cast<u16>(string.length());
m_builder.append(string);
// FIXME: Handle append failure.
(void)m_builder.append(string);
return *this;
}
void Plan9FS::Message::append_data(const StringView& data)
{
*this << static_cast<u32>(data.length());
m_builder.append(data);
// FIXME: Handle append failure.
(void)m_builder.append(data);
}
Plan9FS::Message::Decoder& Plan9FS::Message::Decoder::operator>>(u8& number)