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/* fkt_setmask.c
fkt_setmask -- program to set current FKT mask
Copyright (C) 2003, 2004 Samuel Thibault <samuel.thibault@ens-lyon.org>
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; either version 2 of the License, or
(at your option) any later version.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <config.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <linux/fkt.h>
#include <string.h>
#define TRYARGV(s,new_todo) \
if (!strcmp(argv[0]+strlen(argv[0])-strlen(s),s)) todo=new_todo;
int main(int argc, char **argv) {
int fd;
int arg;
int todo=-1; /* what to do, depending on how we were called */
TRYARGV("setmask",FKT_SETMASK);
TRYARGV("enable",FKT_ENABLE);
TRYARGV("disable",FKT_DISABLE);
TRYARGV("probe0",FKT_USER_PROBE0);
if (todo == -1) {
fprintf(stderr,"please call me as setmask, enable or disable\n");
exit(1);
}
if (argc<2) {
fprintf(stderr,"I need the ");
switch(todo) {
case FKT_SETMASK:
printf("mask\n");
break;
case FKT_ENABLE:
printf("bit to enable\n");
break;
case FKT_DISABLE:
printf("bit to disable\n");
break;
case FKT_USER_PROBE0:
printf("code to use\n");
break;
}
exit(2);
}
arg=strtol(argv[1],NULL,0);
fd = open("/dev/fkt",O_RDONLY);
if (fd<0) {
perror("open fkt");
exit(3);
}
if (ioctl(fd,todo,arg)<0) {
perror("ioctl");
exit(4);
}
return 0;
}
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