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/*
* Copyright (c) 1992, 1995 Hellmuth Michaelis
*
* Copyright (c) 1992, 1994 Brian Dunford-Shore
*
* 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
* Hellmuth Michaelis and Brian Dunford-Shore
* 4. The name authors may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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.
*
*/
static char *id =
"@(#)cursor.c, 3.30, Last Edit-Date: [Fri Jun 30 20:07:13 1995]";
/*---------------------------------------------------------------------------*
*
* history:
*
* -hm adding option -d <device>
*
*---------------------------------------------------------------------------*/
#include <stdio.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <machine/pcvt_ioctl.h>
#define DEFAULTFD 0
main(argc,argv)
int argc;
char *argv[];
{
extern int optind;
extern int opterr;
extern char *optarg;
struct cursorshape cursorshape;
int fd;
int c;
int screen = -1;
int start = -1;
int end = -1;
int dflag = -1;
char *device;
while( (c = getopt(argc, argv, "d:n:s:e:")) != EOF)
{
switch(c)
{
case 'd':
device = optarg;
dflag = 1;
break;
case 'n':
screen = atoi(optarg);
break;
case 's':
start = atoi(optarg);
break;
case 'e':
end = atoi(optarg);
break;
case '?':
default:
usage();
break;
}
}
if(start == -1 || end == -1)
usage();
if(dflag == -1)
{
fd = DEFAULTFD;
}
else
{
if((fd = open(device, O_RDWR)) == -1)
{
char buffer[80];
strcpy(buffer,"ERROR opening ");
strcat(buffer,device);
perror(buffer);
exit(1);
}
}
if(screen == -1)
{
struct stat stat;
if((fstat(fd, &stat)) == -1)
{
char buffer[80];
strcpy(buffer,"ERROR opening ");
strcat(buffer,device);
perror(buffer);
exit(1);
}
screen = minor(stat.st_rdev);
}
cursorshape.start = start;
cursorshape.end = end;
cursorshape.screen_no = screen;
if(ioctl(fd, VGACURSOR, &cursorshape) == -1)
{
perror("cursor - ioctl VGACURSOR failed, error");
exit(1);
}
else
exit(0);
}
usage()
{
fprintf(stderr,"\ncursor - set cursor shape for pcvt video driver\n");
fprintf(stderr,"usage: cursor -d [device] -n [no] -s [line] -e [line]\n");
fprintf(stderr," -d <device> device to use (/dev/ttyvX), default current\n");
fprintf(stderr," -n <no> screen no if specified, else current screen\n");
fprintf(stderr," -s <line> start scan line (topmost scan line)\n");
fprintf(stderr," -e <line> ending scan line (bottom scan line)\n\n");
exit(1);
}
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