diff options
Diffstat (limited to 'release/src/router/busybox/console-tools/chvt.c')
-rw-r--r-- | release/src/router/busybox/console-tools/chvt.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/release/src/router/busybox/console-tools/chvt.c b/release/src/router/busybox/console-tools/chvt.c new file mode 100644 index 00000000..11e1078b --- /dev/null +++ b/release/src/router/busybox/console-tools/chvt.c @@ -0,0 +1,43 @@ +/* vi: set sw=4 ts=4: */ +/* + * chvt.c - aeb - 940227 - Change virtual terminal + * + * busyboxed by Erik Andersen + */ + +/* getopt not needed */ + +#include <stdio.h> +#include <stdlib.h> +#include <fcntl.h> +#include <sys/types.h> +#include <sys/ioctl.h> +#include "busybox.h" + +/* From <linux/vt.h> */ +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) == '-')) + bb_show_usage(); + fd = get_console_fd(); + num = atoi(argv[1]); + if (ioctl(fd, VT_ACTIVATE, num)) + bb_perror_msg_and_die("VT_ACTIVATE"); + if (ioctl(fd, VT_WAITACTIVE, num)) + bb_perror_msg_and_die("VT_WAITACTIVE"); + return EXIT_SUCCESS; +} + + +/* +Local Variables: +c-file-style: "linux" +c-basic-offset: 4 +tab-width: 4 +End: +*/ |