// license that can be found in the LICENSE file.

// Package bufio implements buffered I/O. It wraps an io.Reader or io.Writer
// object, creating another object (Reader or Writer) that also implements
// the interface but provides buffering and some help for textual I/O.
package bufio

import (
	"bytes"
	"errors"
	"io"
	"strings"
	"unicode/utf8"
)

const (
	defaultBufSize = 4096
)

var (

	// err is a persistent error.
	// It is only the responsibility of every exported method of Reader to
	// ensure that this error is sticky.
	err error
}

type fileReader interface {
	io.Reader
	fileState

	WriteTo(io.Writer) (int64, error)
}

// NewReader creates a new [Reader] reading from r.
func NewReader(r io.Reader) *Reader {
	return &Reader{r: r, curr: &regFileReader{r, 0}}
}

	} else {
		err = runOnSimulator(appdir)
	}
	if err != nil {
		// If the lldb driver completed with an exit code, use that.
		if err, ok := err.(*exec.ExitError); ok {
			if ws, ok := err.Sys().(interface{ ExitStatus() int }); ok {
				return ws.ExitStatus(), nil
			}
		}
		return 1, err
	}
	return 0, nil
}

func runOnSimulator(appdir string) error {