Stream object that refers to the null device. More...

Inheritance diagram for SprStreamNull:

Collaboration diagram for SprStreamNull:

Data Fields
base::< SprStream >	base

off_t	pos

uintptr_t	aux_buf [(SPR_STREAM_NULL_BUF_SZ+SPR_STREAM_UNGET_SZ+sizeof(uintptr_t)-1)/sizeof(uintptr_t)]

Data Fields inherited from SprStream
base::< SprObject >	interface_

const uint8_t *restrict	buf_rptr

uint8_t *restrict	buf_wptr

const uint8_t *spr_readonly	buf_end

unsigned int	buf_size

spr_readonly int	err

spr_readonly int	eof

SprKeySet *	keys

const char *	fname

Protected Member Functions
virtual const uint8_t *	buf_fill (public:SprStreamNull *restrict fd, int min_fill)

virtual uint8_t *	buf_flush (public:SprStreamNull *restrict fd)

virtual int	ebuf_write (public:SprStreamNull restrict fd, const void restrict buf, size_t size)

virtual int	switch2read (SprStreamNull *restrict fd)

virtual int	switch2write (SprStreamNull *restrict fd)

virtual off_t	seek (SprStreamNull *restrict fd, off_t offset, int mode)

virtual off_t	tell (SprStreamNull *restrict fd)

Protected Member Functions inherited from SprStream
virtual const uint8_t *	buf_fill (public:SprStream *restrict fd, int min_fill)

virtual uint8_t *	buf_flush (public:SprStream *restrict fd)

virtual size_t	ebuf_read (public:SprStream restrict fd, void restrict buf, size_t size)

virtual int	ebuf_write (public:SprStream restrict fd, const void restrict buf, size_t size)

virtual size_t	read (SprStream restrict fd, void restrict buf, size_t size)

virtual int	write (SprStream restrict fd, const void restrict buf, size_t size)

virtual size_t	skip (SprStream *restrict fd, size_t size)

virtual int	fill (SprStream *restrict fd, int chr, size_t size)

virtual int	switch2read (SprStream *restrict fd)

virtual int	switch2write (SprStream *restrict fd)

virtual off_t	seek (SprStream *restrict fd, off_t offset, int mode)

virtual off_t	tell (SprStream *restrict fd)

virtual int	align (SprStream *restrict fd)

Additional Inherited Members
Protected Attributes inherited from SprStream
uint8_t *	buf_start

unsigned int	flags

int	mode

size_t	rdim2

SprStream_buf_fill	buf_fill

SprStream_buf_flush	buf_flush

SprStream_ebuf_read	ebuf_read

SprStream_ebuf_write	ebuf_write

Detailed Description

Stream object that refers to the null device.

Member Function Documentation

virtual const uint8_t* SprStreamNull::buf_fill	(	public:SprStreamNull *restrict	fd,
		int	min_fill
	)

protectedvirtual

virtual uint8_t* SprStreamNull::buf_flush ( public:SprStreamNull *restrict fd )

protectedvirtual

virtual int SprStreamNull::ebuf_write	(	public:SprStreamNull *restrict	fd,
		const void *restrict	buf,
		size_t	size
	)

protectedvirtual

virtual int SprStreamNull::switch2read ( SprStreamNull *restrict fd )

protectedvirtual

virtual int SprStreamNull::switch2write ( SprStreamNull *restrict fd )

protectedvirtual

virtual off_t SprStreamNull::seek	(	SprStreamNull *restrict	fd,
		off_t	offset,
		int	mode
	)

protectedvirtual

virtual off_t SprStreamNull::tell ( SprStreamNull *restrict fd )

protectedvirtual

base::<SprStream> SprStreamNull::base

off_t SprStreamNull::pos

uintptr_t SprStreamNull::aux_buf[(SPR_STREAM_NULL_BUF_SZ+SPR_STREAM_UNGET_SZ+sizeof(uintptr_t)-1)/sizeof(uintptr_t)]