sys::io::file_feature< FileT, seek, Tail ... > Class Template Reference

Implement seek support for file types. More...

#include <io.hpp>

Inheritance diagram for sys::io::file_feature< FileT, seek, Tail ... >:

Collaboration diagram for sys::io::file_feature< FileT, seek, Tail ... >:

Public Member Functions
FileT &	seek (long int const offset, int const origin)
	Seek file position. More...
FileT &	rewind ()
	Reset file position to the beginning of the file. More...
long int	tell ()
	Retrieve the current file position. More...
Public Member Functions inherited from sys::io::file_feature< FileT, Tail ... >
	operator bool () const
	Cast to boolean. More...
bool	eof () const
	Return whether the file instance is in EOF state. More...
bool	error () const
	Return whether the file instance is in an error state. More...

Additional Inherited Members
Protected Member Functions inherited from sys::io::file_feature< FileT, Tail ... >
	operator FileT & ()
	Implicit cast up to inheriting file access type.
	file_feature (FILE *const handle)
	Construct from a FILE object pointer. More...
Protected Attributes inherited from sys::io::file_feature< FileT, Tail ... >
FILE *	handle
	A pointer to the underlying FILE object.

Detailed Description

template<class FileT, feature ... Tail>
class sys::io::file_feature< FileT, seek, Tail ... >

Implement seek support for file types.

Template Parameters

FileT	The file access type inheriting the feature
Tail	The remaining features

Member Function Documentation

rewind()

template<class FileT , feature ... Tail>

FileT& sys::io::file_feature< FileT, seek, Tail ... >::rewind ( )

inline

Reset file position to the beginning of the file.

See also

frewind()

Returns

A self reference

seek()

template<class FileT , feature ... Tail>

FileT& sys::io::file_feature< FileT, seek, Tail ... >::seek ( long int const  offset, int const  origin  )

inline

Seek file position.

See also

fseek()

Parameters

offset	The origin relative file position for binary files or an absolute position returned by tell() for text files
origin	One of SEEK_SET, SEEK_CUR, SEEK_END

Returns

A self reference

tell()

template<class FileT , feature ... Tail>

long int sys::io::file_feature< FileT, seek, Tail ... >::tell ( )

inline

Retrieve the current file position.

See also

ftell()

Returns

The current file offset

---

The documentation for this class was generated from the following file:

• src/sys/io.hpp