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/* $Id: $ */
/* Copyright (C) 1997 Sverre Hvammen Johansen,
* Department of Informatics, University of Oslo.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cim.h"
#include "simfile.h"
/******************************************************************************
PROCEDURE OUTBYTE(x) */
__dhp
__rdboutbyte (p, x)
__bs10FILE *p;
long x;
{
if (!((__bs1FILE *) p)->open)
__rerror ("Outbyte: File closed");
if ((x < 0) | (x >= 256))
__rerror ("Outbyte: Illegal byte value");
if (p->loc > p->maxloc)
__rerror ("Outbyte: File overflow");
if (p->loc < p->minwriteloc)
__rerror ("Outbyte: Append underflow or read-only file");
if (p->lastop == __READ
&& fseek (((__bs1FILE *) p)->file, p->loc - 1, 0) == __EOF)
__rerror ("Outbyte: Not possible to seek");
p->lastop = __WRITE;
(void) putc ((char) x, ((__bs1FILE *) p)->file);
p->loc++;
return ((__dhp) p);
}
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