#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <linux/kd.h>
#include "getfd.h"
#include "version.h"
#include "kbd_error.h"
int main(int argc, char **argv)
{
int fd, indx, red, green, blue;
unsigned char cmap[48];
set_progname(argv[0]);
if (argc != 5) {
fprintf(stderr, "usage: %s index red green blue\n", progname);
exit(EXIT_FAILURE);
}
indx = atoi(argv[1]);
red = atoi(argv[2]);
green = atoi(argv[3]);
blue = atoi(argv[4]);
if (indx < 0 || red < 0 || green < 0 || blue < 0 ||
indx > 15 || red > 255 || green > 255 || blue > 255) {
fprintf(stderr, "indx must be in 0..15, colors in 0..255\n");
exit(EXIT_FAILURE);
}
if ((fd = getfd(NULL)) < 0)
kbd_error(EXIT_FAILURE, 0, _("Couldn't get a file descriptor referring to the console"));
if (ioctl(fd, GIO_CMAP, cmap))
kbd_error(EXIT_FAILURE, errno, "ioctl GIO_CMAP");
cmap[3 * indx] = red;
cmap[3 * indx + 1] = green;
cmap[3 * indx + 2] = blue;
if (ioctl(fd, PIO_CMAP, cmap))
kbd_error(EXIT_FAILURE, errno, "ioctl PIO_CMAP");
return EXIT_SUCCESS;
}