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LibCore: Add Stream::read_all()

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This commit is contained in:
Michiel Visser 2022-04-05 21:17:38 +02:00 • committed by Andreas Kling
parent af50b0363b
commit 68772463cb
2 changed files with 17 additions and 0 deletions
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16
Userland/Libraries/LibCore/Stream.cpp
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@ -47,6 +47,22 @@ bool Stream::read_or_error(Bytes buffer)
return true;
}
ErrorOr<ByteBuffer> Stream::read_all()
{
ByteBuffer output;
u8 buffer_raw[4096];
Bytes buffer { buffer_raw, 4096 };
while (true) {
Bytes read_bytes = TRY(read(buffer));
if (read_bytes.is_empty())
break;
output.append(read_bytes);
}
return output;
}
bool Stream::write_or_error(ReadonlyBytes buffer)
{
VERIFY(buffer.size());

1
Userland/Libraries/LibCore/Stream.h
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@ -37,6 +37,7 @@ public:
/// Tries to fill the entire buffer through reading. Returns whether the
/// buffer was filled without an error.
virtual bool read_or_error(Bytes);
ErrorOr<ByteBuffer> read_all();
virtual bool is_writable() const { return false; }
/// Tries to write the entire contents of the buffer. It is possible for