Class AbsEmuUnixFileHandle<T>

java.lang.Object

ghidra.pcode.emu.unix.AbstractEmuUnixFileHandle<T>

ghidra.pcode.emu.unix.AbsEmuUnixFileHandle<T>

Type Parameters:

T - the type

All Implemented Interfaces:

EmuUnixFileDescriptor<T>

public class AbsEmuUnixFileHandle<T>
extends AbstractEmuUnixFileHandle<T>

A file descriptor for non-concrete types

Field Summary

Fields inherited from class AbstractEmuUnixFileHandle

arithmetic, file, flags, offsetBytes, user

Fields inherited from interface EmuUnixFileDescriptor

FD_STDERR, FD_STDIN, FD_STDOUT

Constructor Summary

Constructors

Constructor	Description
AbsEmuUnixFileHandle(PcodeMachine<T> machine, CompilerSpec cSpec, EmuUnixFile<T> file, Set<EmuUnixFileSystem.OpenFlag> flags, EmuUnixUser user)

Method Summary

Modifier and Type	Method	Description
protected void	advanceOffset(T len)	Advance the handle's offset (negative to rewind)
T	getAbstractOffset()	Returns the current offset of the file, or 0 if not applicable.
long	getOffset()	Returns the current offset of the file, or 0 if not applicable.
protected boolean	isPositive(T len)
int	read(T buf)	Read from the file opened by this handle
T	readAbstract(T buf)	Read from the file opened by this handle
void	seek(long offset)	Seek to the given offset
void	seek(T offset)	Seek to the given offset
int	write(T buf)	Write into the file opened by this handle
T	writeAbstract(T buf)	Write into the file opened by this handle

Methods inherited from class AbstractEmuUnixFileHandle

checkReadable, checkWritable, close, getFile, stat

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

AbsEmuUnixFileHandle

public AbsEmuUnixFileHandle(PcodeMachine<T> machine,
 CompilerSpec cSpec,
 EmuUnixFile<T> file,
 Set<EmuUnixFileSystem.OpenFlag> flags,
 EmuUnixUser user)

Method Details

advanceOffset

protected void advanceOffset(T len)

Advance the handle's offset (negative to rewind)

Parameters:

len - the number of bytes to advance

isPositive

protected boolean isPositive(T len)

getAbstractOffset

public T getAbstractOffset()

Description copied from interface: EmuUnixFileDescriptor

Returns the current offset of the file, or 0 if not applicable.

Returns:

the current offset of the file, or 0 if not applicable

getOffset

public long getOffset()

Description copied from interface: EmuUnixFileDescriptor

Returns the current offset of the file, or 0 if not applicable.

Returns:

the current offset of the file, or 0 if not applicable

seek

public void seek(T offset)
          throws EmuIOException

Description copied from interface: EmuUnixFileDescriptor

Seek to the given offset

Parameters:

offset - the desired offset

Throws:

EmuIOException - if an error occurred

seek

public void seek(long offset)
          throws EmuIOException

Description copied from interface: EmuUnixFileDescriptor

Seek to the given offset

Parameters:

offset - the desired offset

Throws:

EmuIOException - if an error occurred

readAbstract

public T readAbstract(T buf)
               throws EmuIOException

Description copied from interface: EmuUnixFileDescriptor

Read from the file opened by this handle

Parameters:

buf - the destination buffer

Returns:

the number of bytes read

Throws:

EmuIOException - if an error occurred

read

public int read(T buf)
         throws EmuIOException

Description copied from interface: EmuUnixFileDescriptor

Read from the file opened by this handle

Parameters:

buf - the destination buffer

Returns:

the number of bytes read

Throws:

EmuIOException - if an error occurred

writeAbstract

public T writeAbstract(T buf)
                throws EmuIOException

Description copied from interface: EmuUnixFileDescriptor

Write into the file opened by this handle

Parameters:

buf - the source buffer

Returns:

the number of bytes written

Throws:

EmuIOException - if an error occurred

write

public int write(T buf)
          throws EmuIOException

Description copied from interface: EmuUnixFileDescriptor

Write into the file opened by this handle

Parameters:

buf - the source buffer

Returns:

the number of bytes written

Throws:

EmuIOException - if an error occurred