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/* $OpenBSD: options.c,v 1.2 1996/06/26 05:41:21 deraadt Exp $ */
/*-
* Copyright (c) 1988 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
/*static char sccsid[] = "from: @(#)options.c 4.2 (Berkeley) 4/26/91";*/
static char rcsid[] = "$OpenBSD: options.c,v 1.2 1996/06/26 05:41:21 deraadt Exp $";
#endif /* not lint */
/*
* this file contains the definitions, initialization, and processing of
* commands to handle the various local options (APL ON, etc.)
*/
#include "options.h"
#include "../general/globals.h"
#include "declare.h"
void
OptInit()
{
register int i;
OptAPLmode = 0;
OptNullProcessing = 1; /* improved null processing */
OptZonesMode = 0; /* zones mode off */
OptEnterNL = 0; /* regular enter/new line keys */
OptColFieldTab = 0; /* regular column/field tab keys */
OptPacing = 1; /* do pacing */
OptAlphaInNumeric = 0; /* allow alpha in numeric fields */
for (i = 0; i < sizeof OptColTabs; i++) {
OptColTabs[i] = ((i%8) == 0); /* every 8 columns */
}
OptHome = 0;
OptLeftMargin = 0;
OptWordWrap = 0;
}
OptOrder(pointer, count, control)
unsigned char *pointer;
int count;
int control;
{
int i, j, character, origCount;
origCount = count;
if (count == 0) {
return(0);
}
character = *pointer&0xff;
pointer++;
count--;
switch (character) {
case 0xa0:
OptAPLmode = 1;
break;
case 0x61:
OptAPLmode = 0;
break;
case 0x95:
OptNullProcessing = 0;
break;
case 0xd5:
OptNullProcessing = 1;
break;
case 0xa9:
OptZonesMode = 1;
break;
case 0xe9:
OptZonesMode = 0;
break;
case 0x85:
OptEnterNL = 1;
break;
case 0xc5:
OptEnterNL = 0;
break;
case 0x83:
OptColFieldTab = 1;
break;
case 0xc3:
OptColFieldTab = 0;
break;
case 0x97:
OptPacing = 0;
break;
case 0xd7:
OptPacing = 1;
break;
case 0xa5:
OptAlphaInNumeric = 1;
break;
case 0xe5:
OptAlphaInNumeric = 0;
break;
case 0xe3:
if (!control && count < 30) {
return(0); /* want more! */
}
for (i = 0; i < sizeof OptColTabs; i++) {
OptColTabs[i] = 0;
}
if (!count) {
break;
}
j = (*pointer&0xff)-0x40;
count--;
pointer++;
if (j < 0 || j >= 24) {
break;
}
OptHome = j;
if (!count) {
break;
}
j = (*pointer&0xff)-0x40;
count--;
pointer++;
if (j < 0 || j >= 80) {
break;
}
OptLeftMargin = j;
if (!count) {
break;
}
i = count;
if (i > 28) {
i = 28;
}
while (i) {
j = (*pointer&0xff)-0x40;
if (j < 0 || j >= sizeof OptColTabs) {
break;
}
OptColTabs[j] = 1;
i --;
pointer++;
count--;
}
break;
case 0xa6:
OptWordWrap = 1;
break;
case 0xe6:
OptWordWrap = 0;
break;
default:
break;
}
return(origCount - count);
}
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