138 lines
3.7 KiB
C
138 lines
3.7 KiB
C
/*
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* Copyright (c) 1992, 1995 Hellmuth Michaelis
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*
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* Copyright (c) 1992, 1994 Brian Dunford-Shore
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by
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* Hellmuth Michaelis and Brian Dunford-Shore
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* 4. The name authors may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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static char *id =
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"@(#)cursor.c, 3.20, Last Edit-Date: [Tue Apr 4 12:27:54 1995]\n$FreeBSD$";
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/*---------------------------------------------------------------------------*
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*
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* history:
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*
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* -hm adding option -d <device>
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*
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*---------------------------------------------------------------------------*/
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#include <stdio.h>
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#include <err.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <machine/pcvt_ioctl.h>
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#include <unistd.h>
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#include <paths.h>
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#define DEFAULTFD 0
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main(argc,argv)
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int argc;
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char *argv[];
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{
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struct cursorshape cursorshape;
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int fd;
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int c;
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int screen = -1;
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int start = -1;
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int end = -1;
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int dflag = -1;
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char *device;
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while( (c = getopt(argc, argv, "d:n:s:e:")) != -1)
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{
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switch(c)
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{
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case 'd':
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device = optarg;
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dflag = 1;
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break;
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case 'n':
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screen = atoi(optarg);
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break;
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case 's':
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start = atoi(optarg);
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break;
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case 'e':
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end = atoi(optarg);
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break;
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case '?':
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default:
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usage();
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break;
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}
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}
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if(start == -1 || end == -1)
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usage();
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if(dflag == -1)
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{
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fd = DEFAULTFD;
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}
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else if((fd = open(device, O_RDWR)) == -1)
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err(1, "ERROR opening %s", device);
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if(screen == -1)
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{
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struct stat stat;
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if((fstat(fd, &stat)) == -1)
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err(1, "ERROR opening %s", device);
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screen = minor(stat.st_rdev);
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}
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cursorshape.start = start;
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cursorshape.end = end;
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cursorshape.screen_no = screen;
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if(ioctl(fd, VGACURSOR, &cursorshape) == -1)
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err(1, "cursor - ioctl VGACURSOR failed, error");
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else
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exit(0);
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}
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usage()
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{
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fprintf(stderr,"\ncursor - set cursor shape for pcvt video driver\n");
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fprintf(stderr,"usage: cursor -d [device] -n [no] -s [line] -e [line]\n");
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fprintf(stderr," -d <device> device to use (%svX), default current\n", _PATH_TTY);
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fprintf(stderr," -n <no> screen no if specified, else current screen\n");
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fprintf(stderr," -s <line> start scan line (topmost scan line)\n");
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fprintf(stderr," -e <line> ending scan line (bottom scan line)\n\n");
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exit(1);
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}
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