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LibCore+Everywhere: Make Core::Stream::read() return Bytes

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A mistake I've repeatedly made is along these lines:
```c++
auto nread = TRY(source_file->read(buffer));
TRY(destination_file->write(buffer));
```

It's a little clunky to have to create a Bytes or StringView from the
buffer's data pointer and the nread, and easy to forget and just use
the buffer. So, this patch changes the read() function to return a
Bytes of the data that were just read.

The other read_foo() methods will be modified in the same way in
subsequent commits.

Fixes #13687
This commit is contained in:
Sam Atkins 2022-04-15 13:33:02 +01:00 • committed by Tim Flynn
parent 6654efcd82
commit 3b1e063d30
22 changed files with 103 additions and 103 deletions
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4
Userland/Libraries/LibTLS/TLSv12.h
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@ -356,9 +356,9 @@ public:
/// Reads into a buffer, with the maximum size being the size of the buffer.
/// The amount of bytes read can be smaller than the size of the buffer.
/// Returns either the amount of bytes read, or an errno in the case of
/// Returns either the bytes that were read, or an errno in the case of
/// failure.
virtual ErrorOr<size_t> read(Bytes) override;
virtual ErrorOr<Bytes> read(Bytes) override;
/// Tries to write the entire contents of the buffer. It is possible for
/// less than the full buffer to be written. Returns either the amount of