/*
 * |-----------------------------------------------------------|
 * | Copyright (c) 1991, 1990 MIPS Computer Systems, Inc.      |
 * | All Rights Reserved                                       |
 * |-----------------------------------------------------------|
 * |          Restricted Rights Legend                         |
 * | Use, duplication, or disclosure by the Government is      |
 * | subject to restrictions as set forth in                   |
 * | subparagraph (c)(1)(ii) of the Rights in Technical        |
 * | Data and Computer Software Clause of DFARS 252.227-7013.  |
 * |         MIPS Computer Systems, Inc.                       |
 * |         950 DeGuigne Avenue                               |
 * |         Sunnyvale, California 94088-3650, USA             |
 * |-----------------------------------------------------------|
 */
#ident	"$Header: t_getstate.c,v 1.2.2.1 92/06/24 14:11:40 marker Exp $"
/*	Copyright (c) 1984 AT&T	*/
/*	  All Rights Reserved  	*/

/*	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T	*/
/*	The copyright notice above does not evidence any   	*/
/*	actual or intended publication of such source code.	*/

#include "sys/errno.h"
#include "sys/types.h"
#include "sys/stream.h"
#include "sys/stropts.h"
#include "sys/tihdr.h"
#include "sys/timod.h"
#include "sys/tiuser.h"
#include "stdio.h"
#include "sys/signal.h"
#include "_import.h"


extern int t_errno;
extern int errno;
extern struct _ti_user *_t_checkfd();

t_getstate(fd)
int fd;
{
	register struct _ti_user *tiptr;

	if ((tiptr = _t_checkfd(fd)) == NULL)
		return(-1);

	switch (tiptr->ti_state) {

	case T_UNBND:
	case T_IDLE:
	case T_INCON:
	case T_OUTCON:
	case T_DATAXFER:
	case T_INREL:
	case T_OUTREL:
		return(tiptr->ti_state);
	case T_FAKE:
	case T_HACK:
	/* T_HACK needed to maintain compatibility!!!
	 * DO NOT REMOVE UNTIL _spec FILE REORDERED!!!!
  	 *
	 * It's purpose is to keep the size of the data
	 * generated by the compilation of the switch 
 	 * statement the same as before (range of 12).  If it is removed
	 * or changed the locations of the imported symbols
	 * will change, breaking compatibility.
	 */
	default:
		t_errno = TSTATECHNG;
		return(-1);
	}
}
