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/*
* SCCS: @(#)msgbuf.c 1.7 (98/09/01)
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifndef lint
static char sccsid[] = "@(#)msgbuf.c 1.7 (98/09/01) TET3 release 3.3";
#endif
/************************************************************************
SCCS: @(#)msgbuf.c 1.7 98/09/01 TETware release 3.3
NAME: msgbuf.c
PRODUCT: TETware
AUTHOR: Andrew Dingwall, UniSoft Ltd.
DATE CREATED: April 1992
DESCRIPTION:
server message buffer access function
MODIFICATIONS:
Andrew Dingwall, UniSoft Ltd., July 1998
Added support for shared API libraries.
************************************************************************/
#include <stdio.h>
#include <sys/types.h>
#include "dtmac.h"
#include "dtmsg.h"
#include "ptab.h"
#include "bstring.h"
#include "servlib.h"
#include "dtetlib.h"
#ifdef NEEDsrcFile
static char srcFile[] = __FILE__; /* file name for error reporting */
#endif
/*
** tet_ti_msgbuf() - return a pointer to a ptab message data buffer,
** growing it if necessary
**
** return (char *) 0 on error
*/
TET_IMPORT char *tet_ti_msgbuf(pp, newlen)
struct ptab *pp;
int newlen;
{
if (BUFCHK(&pp->ptm_data, &pp->pt_mdlen, newlen) < 0)
return((char *) 0);
bzero(pp->ptm_data, newlen);
return(pp->ptm_data);
}
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