10 #include "kbd_error.h"
12 int main(int argc, char **argv)
14 int fd, indx, red, green, blue;
15 unsigned char cmap[48];
17 set_progname(argv[0]);
20 fprintf(stderr, "usage: %s index red green blue\n", progname);
26 green = atoi(argv[3]);
29 if (indx < 0 || red < 0 || green < 0 || blue < 0 ||
30 indx > 15 || red > 255 || green > 255 || blue > 255) {
31 fprintf(stderr, "indx must be in 0..15, colors in 0..255\n");
35 if ((fd = getfd(NULL)) < 0)
36 kbd_error(EXIT_FAILURE, 0, _("Couldn't get a file descriptor referring to the console"));
38 if (ioctl(fd, GIO_CMAP, cmap))
39 kbd_error(EXIT_FAILURE, errno, "ioctl GIO_CMAP");
42 cmap[3 * indx + 1] = green;
43 cmap[3 * indx + 2] = blue;
45 if (ioctl(fd, PIO_CMAP, cmap))
46 kbd_error(EXIT_FAILURE, errno, "ioctl PIO_CMAP");