#include <sys/ioctl.h>
/* From <linux/vt.h> */
-#define VT_ACTIVATE 0x5606 /* make vt active */
-#define VT_WAITACTIVE 0x5607 /* wait for vt active */
+static const int VT_ACTIVATE = 0x5606; /* make vt active */
+static const int VT_WAITACTIVE = 0x5607; /* wait for vt active */
int chvt_main(int argc, char **argv)
{
int fd, num;
if ((argc != 2) || (**(argv + 1) == '-'))
- usage (chvt_usage);
+ show_usage();
fd = get_console_fd("/dev/console");
num = atoi(argv[1]);
- if (ioctl(fd, VT_ACTIVATE, num)) {
- perror("VT_ACTIVATE");
- return EXIT_FAILURE;
- }
- if (ioctl(fd, VT_WAITACTIVE, num)) {
- perror("VT_WAITACTIVE");
- return EXIT_FAILURE;
- }
+ if (ioctl(fd, VT_ACTIVATE, num))
+ perror_msg_and_die("VT_ACTIVATE");
+ if (ioctl(fd, VT_WAITACTIVE, num))
+ perror_msg_and_die("VT_WAITACTIVE");
return EXIT_SUCCESS;
}