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backend: move LimitReadCloser to util package

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The helper is only intended for usage by backend implementations.
This commit is contained in:
Michael Eischer
2024-04-25 21:20:23 +02:00
parent dcd151147c
commit 47232bf8b0
5 changed files with 20 additions and 16 deletions
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4
internal/backend/sftp/sftp.go
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@@ -437,7 +437,7 @@ func (r *SFTP) Load(ctx context.Context, h backend.Handle, length int, offset in
// check the underlying reader to be agnostic to however fn() handles the returned error
_, rderr := rd.Read([]byte{0})
if rderr == io.EOF && rd.(*backend.LimitedReadCloser).N != 0 {
if rderr == io.EOF && rd.(*util.LimitedReadCloser).N != 0 {
// file is too short
return fmt.Errorf("%w: %v", errTooShort, err)
}
@@ -463,7 +463,7 @@ func (r *SFTP) openReader(_ context.Context, h backend.Handle, length int, offse
if length > 0 {
// unlimited reads usually use io.Copy which needs WriteTo support at the underlying reader
// limited reads are usually combined with io.ReadFull which reads all required bytes into a buffer in one go
return backend.LimitReadCloser(f, int64(length)), nil
return util.LimitReadCloser(f, int64(length)), nil
}
return f, nil