}

// rotate checks to see whether the file f needs to be rotated,
// meaning to start a new counter file with a different date in the name.
// rotate is also used to open the file initially, meaning f.current can be nil.
// In general rotate should be called just once for each file.
// rotate will arrange a timer to call itself again when necessary.
func (f *file) rotate() {
	expire, cleanup := f.rotate1()
	cleanup()

	"fmt"
	"internal/saferio"
	"io"
	"os"
)

// A FileHeader represents a Plan 9 a.out file header.
type FileHeader struct {
	Magic       uint32
	Bss         uint32
	Entry       uint64
	PtrSize     int
	LoadAddress uint64
	HdrSize     uint64
}

// A File represents an open Plan 9 a.out file.
type File struct {
	FileHeader
	Sections []*Section
	closer   io.Closer
}

/*
 * Internal ELF representation
 */

// A FileHeader represents an ELF file header.
type FileHeader struct {
	Class      Class
	Data       Data
	Version    Version
	OSABI      OSABI
	ABIVersion uint8
	ByteOrder  binary.ByteOrder
	Type       Type
	Machine    Machine
	Entry      uint64
}

// A File represents an open ELF file.
type File struct {
	FileHeader
	Sections  []*Section
	Progs     []*Prog

	f, err := os.Open(name)
	if err != nil {
		return nil, err
	}
	ff, err := NewFile(f)
	if err != nil {
		f.Close()
		return nil, err
	}
	ff.closer = f
	return ff, nil
}

// Close closes the [File].
// If the [File] was created using [NewFile] directly instead of [Open],
// Close has no effect.
func (f *File) Close() error {
	var err error
	if f.closer != nil {

Laura Kassovic <******@****.***> 1701107622 -0800

Tim Hockin <******@****.***> 1705473522 -0800

Tim Hockin <******@****.***> 1705473522 -0800

Tim Hockin <******@****.***> 1705473522 -0800

Tim Hockin <******@****.***> 1705473522 -0800

Tim Hockin <******@****.***> 1705473522 -0800