/home/blindaue/rpm/BUILD/sc68-2.2.1/file68/istream68_def.h File Reference

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Detailed Description

Author:

benjamin gerard generic stream interface.

Date:

2003/08/08

Id

istream68_def.h,v 2.5 2003/09/30 06:29:57 benjihan Exp

Generic stream interface definition.

#include "file68/istream68.h"

Go to the source code of this file.

Data Structures
struct	_istream_t
	Input stream structure. More...
Defines
Open mode defines.
#define	ISTREAM_OPEN_READ_BIT   0
	Read open mode bit.
#define	ISTREAM_OPEN_READ   (1<<ISTREAM_OPEN_READ_BIT)
	Read open mode value.
#define	ISTREAM_OPEN_WRITE_BIT   1
	Write open mode bit.
#define	ISTREAM_OPEN_WRITE   (1<<ISTREAM_OPEN_WRITE_BIT)
	Write open mode value.
#define	ISTREAM_IS_OPEN(V)   (!!((V)&(ISTREAM_OPEN_READ|ISTREAM_OPEN_WRITE)))
	Test if any open flags is set (returns 0 or 1).
#define	ISTREAM_IS_OPEN_READ(V)   (((V)>>ISTREAM_OPEN_READ_BIT)&1)
	Test if READ open flags is set (returns 0 or 1).
#define	ISTREAM_IS_OPEN_WRITE(V)   (((V)>>ISTREAM_OPEN_WRITE_BIT)&1)
	Test if WRITE open flags is set (returns 0 or 1).
Typedefs
input stream function types.
typedef const char *(*)	istream_name_t (istream_t *)
typedef int(*)	istream_open_t (istream_t *)
typedef int(*)	istream_close_t (istream_t *)
typedef int(*)	istream_length_t (istream_t *)
typedef int(*)	istream_tell_t (istream_t *)
typedef int(*)	istream_seek_t (istream_t *, int)
typedef int(*)	istream_read_t (istream_t *, void *, int)
typedef int(*)	istream_write_t (istream_t *, const void *, int)
typedef void(*)	istream_destroy_t (istream_t *)

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Define Documentation

#define ISTREAM_OPEN_READ_BIT   0

Read open mode bit.

#define ISTREAM_OPEN_READ   (1<<ISTREAM_OPEN_READ_BIT)

Read open mode value.

#define ISTREAM_OPEN_WRITE_BIT   1

Write open mode bit.

#define ISTREAM_OPEN_WRITE   (1<<ISTREAM_OPEN_WRITE_BIT)

Write open mode value.

#define ISTREAM_IS_OPEN

(

V

)

(!!((V)&(ISTREAM_OPEN_READ|ISTREAM_OPEN_WRITE)))

Test if any open flags is set (returns 0 or 1).

#define ISTREAM_IS_OPEN_READ

(

V

)

(((V)>>ISTREAM_OPEN_READ_BIT)&1)

Test if READ open flags is set (returns 0 or 1).

#define ISTREAM_IS_OPEN_WRITE

(

V

)

(((V)>>ISTREAM_OPEN_WRITE_BIT)&1)

Test if WRITE open flags is set (returns 0 or 1).

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