xref: /titanic_41/usr/src/cmd/lp/lib/msgs/llib-llpmsg (revision 80e2ca8596e3435bc3b76f3c597833ea0a87f85e)
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/* LINTLIBRARY */
23/* PROTOLIB1 */
24
25/*
26 * Copyright (c) 1998 by Sun Microsystems, Inc.
27 * All rights reserved.
28 */
29
30/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
31/*	  All Rights Reserved  	*/
32
33#pragma ident	"%Z%%M%	%I%	%E% SMI"
34
35
36# include	<sys/types.h>
37# include	<poll.h>
38# include	<stdarg.h>
39# include	<stropts.h>
40
41
42typedef	struct	strbuf	strbuf_t;	/*  STREAMS buffer */
43
44typedef	struct mque
45{
46    struct mque	  *next;
47    struct strbuf *dat;
48} MQUE;
49
50typedef struct
51{
52    short	type;			/* type of connection */
53    int		readfd;			/* STREAM fd to read from */
54    int		writefd;		/* STREAM fd to write to */
55    int		wait;			/* number of systems waiting for */
56    char	*file;			/* pipe name if type==MD_FIFO */
57    short	state;			/* Current state of client */
58    short	admin;			/* Non zero if admin  */
59    short	event;			/* Event returned from poll */
60    MQUE *	mque;			/* backlogged message ptr */
61    uid_t	uid;			/* Clients UID */
62    gid_t	gid;			/* Clients GID */
63    void	(**on_discon)();	/* Clean up functions */
64} MESG;
65
66#define	MSGMAX		2048
67typedef struct
68{
69	int	full;
70	char	save [MSGMAX],
71		*psave,
72		*psave_end;
73} fifobuffer_t;
74
75MESG		* mcreate ( char * );
76int		mlisteninit ( MESG * );
77MESG		* mlisten ( void );
78int		mlistenadd ( MESG *, short );
79int		mon_discon ( MESG *, void (*)());
80MESG		* mlistenreset ( void );
81int		mdestroy ( MESG * );
82
83MESG		* mconnect ( char *, int, int );
84int		mgetm ( MESG *, int, ... );
85int		mwrite ( MESG *, char * );
86int		mputm ( MESG *, int, ... );
87int		mread ( MESG *, char *, int );
88short		msize ( char * );
89short		mpeek ( MESG * );
90int		mdisconnect ( MESG * );
91
92void		__mbfree ( void );
93
94int		mclose ( void );
95int		mneeds ( void );
96int		mopen ( void );
97int		mrecv ( char *, int );
98int		msend ( char * );
99
100int		Putmsg (MESG *, strbuf_t *, strbuf_t *, int);
101int		Getmsg (MESG *, strbuf_t *, strbuf_t *, int *);
102int		read3_2 (MESG * md, char *msgbuf, int size);
103int		write3_2 (MESG *, char *, int);
104int		read_fifo (int, char *, unsigned int);
105int		write_fifo (int, char *, unsigned int);
106int		ResetFifoBuffer (int);
107fifobuffer_t	*GetFifoBuffer (int);
108
109char		* htos ( char *, unsigned short );
110char		* ltos ( char *, unsigned long );
111unsigned long	stol ( char * );
112unsigned short	stoh ( char * );
113int		_getmessage ( char *, short, va_list );
114int		_putmessage ( char *, short, va_list );
115int		getmessage ( char *, short, ... );
116int		putmessage ( char *, short, ... );
117