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/*
* SCCS: @(#)tcfio.c 1.6 (96/11/04)
*
* UniSoft Ltd., London, England
*
* (C) Copyright 1992 X/Open Company Limited
*
* All rights reserved. No part of this source code may be reproduced,
* stored in a retrieval system, or transmitted, in any form or by any
* means, electronic, mechanical, photocopying, recording or otherwise,
* except as stated in the end-user licence agreement, without the prior
* permission of the copyright owners.
*
* X/Open and the 'X' symbol are trademarks of X/Open Company Limited in
* the UK and other countries.
*/
#ifndef lint
static char sccsid[] = "@(#)tcfio.c 1.6 (96/11/04) TET3 release 3.3";
#endif
/************************************************************************
SCCS: @(#)tcfio.c 1.6 96/11/04 TETware release 3.3
NAME: tcfio.c
PRODUCT: TETware
AUTHOR: Andrew Dingwall, UniSoft Ltd.
DATE CREATED: May 1992
DESCRIPTION:
functions to request TCCD to open, close and write ascii files
MODIFICATIONS:
************************************************************************/
#include <stdio.h>
#include <errno.h>
#include "dtmac.h"
#include "dtmsg.h"
#include "avmsg.h"
#include "valmsg.h"
#include "error.h"
#include "servlib.h"
#include "dtetlib.h"
#ifdef NEEDsrcFile
static char srcFile[] = __FILE__; /* file name for error reporting */
#endif
/* static function declarations */
static char *tc_fio PROTOLIST((int, int));
/*
** tet_tcfopen() - send an OP_FOPEN message to STCC and receive a reply
**
** return file ID if successful or -1 on error
*/
int tet_tcfopen(sysid, file)
int sysid;
char *file;
{
register char *dp;
/* make sure that file is non-null */
if (!file || !*file) {
tet_tcerrno = ER_INVAL;
return(-1);
}
/* get the TCCD message buffer */
if ((dp = tet_tcmsgbuf(sysid, avmsgsz(OP_FOPEN_ARGC))) == (char *) 0) {
tet_tcerrno = ER_ERR;
return(-1);
}
#define mp ((struct avmsg *) dp)
/* set up the request message */
mp->av_argc = OP_FOPEN_ARGC;
AV_FNAME(mp) = file;
AV_FTYPE(mp) = "w";
#undef mp
dp = tc_fio(sysid, OP_FOPEN);
#define rp ((struct valmsg *) dp)
return(dp ? (int) VM_FID(rp) : -1);
#undef rp
}
/*
** tet_tcfclose() - send an OP_FCLOSE message to TCCD and receive a reply
**
** return file ID if successful or -1 on error
*/
int tet_tcfclose(sysid, fid)
int sysid, fid;
{
register struct valmsg *mp;
/* get the TCCD message buffer */
if ((mp = (struct valmsg *) tet_tcmsgbuf(sysid, valmsgsz(OP_FCLOSE_NVALUE))) == (struct valmsg *) 0) {
tet_tcerrno = ER_ERR;
return(-1);
}
/* set up the request message */
mp->vm_nvalue = OP_FCLOSE_NVALUE;
VM_FID(mp) = (long) fid;
return(tc_fio(sysid, OP_FCLOSE) == (char *) 0 ? -1 : 0);
}
/*
** tet_tcputs() - send a single line OP_PUTS message to TCCD and receive a
** reply
**
** return 0 if successful or -1 on error
*/
int tet_tcputs(sysid, fid, line)
int sysid, fid;
char *line;
{
return(tet_tcputsv(sysid, fid, &line, 1));
}
/*
** tet_tcputsv() - send a multi-line OP_PUTS message to TCCD and
** receive a reply
**
** return 0 if successful or -1 on error
*/
int tet_tcputsv(sysid, fid, lines, nline)
int sysid, fid;
register int nline;
register char **lines;
{
register struct avmsg *mp;
register int n;
/* make sure that lines is non-zero and that nline is +ve */
if (!lines || nline <= 0) {
tet_tcerrno = ER_INVAL;
return(-1);
}
/* get the TCCD message buffer */
if ((mp = (struct avmsg *) tet_tcmsgbuf(sysid, avmsgsz(OP_PUTS_ARGC(nline)))) == (struct avmsg *) 0) {
tet_tcerrno = ER_ERR;
return(-1);
}
/* set up the request message */
mp->av_argc = OP_PUTS_ARGC(nline);
AV_FID(mp) = (long) fid;
for (n = 0; n < nline; n++)
AV_FLINE(mp, n) = *lines++;
return(tc_fio(sysid, OP_PUTS) == (char *) 0 ? -1 : 0);
}
/*
** tc_fio() - common tet_tctalk() interface used by several functions
**
** return pointer to TCCD reply buffer if successful
** or (char *) 0 on error
*/
static char *tc_fio(sysid, request)
int sysid, request;
{
register char *dp;
extern char tet_tcerrmsg[];
/* send the request and receive the reply */
dp = tet_tctalk(sysid, request, TALK_DELAY);
/* handle the return codes */
if (tet_tcerrno == ER_OK)
return(dp);
else if ((errno = tet_unmaperrno(tet_tcerrno)) == 0)
switch (tet_tcerrno) {
case ER_FID:
case ER_INVAL:
break;
case ER_ERR:
if (!dp)
break;
/* else fall through */
default:
error(0, tet_tcerrmsg, tet_ptrepcode(tet_tcerrno));
break;
}
/* here for server error return */
return((char *) 0);
}
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