diff options
Diffstat (limited to 'console-tools')
-rw-r--r-- | console-tools/chvt.c | 36 | ||||
-rw-r--r-- | console-tools/deallocvt.c | 47 |
2 files changed, 83 insertions, 0 deletions
diff --git a/console-tools/chvt.c b/console-tools/chvt.c new file mode 100644 index 000000000..81d199527 --- /dev/null +++ b/console-tools/chvt.c @@ -0,0 +1,36 @@ +/* + * chvt.c - aeb - 940227 - Change virtual terminal + * + * busyboxed by Erik Andersen + */ +#include "internal.h" +#include <sys/types.h> +#include <sys/ioctl.h> +#include <linux/vt.h> +#include <stdio.h> +#include <stdlib.h> +#include <fcntl.h> + +extern int getfd(void); + +int +chvt_main(int argc, char** argv) +{ + int fd, num; + + if ( ( argc != 2) || (**(argv+1) == '-' ) ) { + usage ("chvt </dev/ttyN>\n"); + } + fd = get_console_fd("/dev/console"); + num = atoi(argv[1]); + if (ioctl(fd,VT_ACTIVATE,num)) { + perror("VT_ACTIVATE"); + exit(FALSE); + } + if (ioctl(fd,VT_WAITACTIVE,num)) { + perror("VT_WAITACTIVE"); + exit(FALSE); + } + exit( TRUE); +} + diff --git a/console-tools/deallocvt.c b/console-tools/deallocvt.c new file mode 100644 index 000000000..a8feeb53c --- /dev/null +++ b/console-tools/deallocvt.c @@ -0,0 +1,47 @@ +/* + * disalloc.c - aeb - 940501 - Disallocate virtual terminal(s) + * Renamed deallocvt. + */ +#include <stdlib.h> +#include <fcntl.h> +#include <sys/types.h> +#include <sys/ioctl.h> +#include <linux/vt.h> +#include <stdio.h> + +extern int getfd(void); +char *progname; + +int +deallocvt_main(int argc, char *argv[]) { + int fd, num, i; + + if (argc < 1) /* unlikely */ + exit(1); + progname = argv[0]; + + fd = get_console_fd("/dev/console"); + + if (argc == 1) { + /* deallocate all unused consoles */ + if (ioctl(fd,VT_DISALLOCATE,0)) { + perror("VT_DISALLOCATE"); + exit(1); + } + } else + for (i = 1; i < argc; i++) { + num = atoi(argv[i]); + if (num == 0) + fprintf(stderr, "%s: 0: illegal VT number\n", progname); + else if (num == 1) + fprintf(stderr, "%s: VT 1 cannot be deallocated\n", progname); + else + if (ioctl(fd,VT_DISALLOCATE,num)) { + perror("VT_DISALLOCATE"); + fprintf(stderr, "%s: could not deallocate console %d\n", + progname, num); + exit(1); + } + } + exit(0); +} |