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-rw-r--r--src/cttyhack.c83
1 files changed, 0 insertions, 83 deletions
diff --git a/src/cttyhack.c b/src/cttyhack.c
deleted file mode 100644
index e54c1ec..0000000
--- a/src/cttyhack.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/* This code is adapted from busybox project
- *
- * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
- */
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <string.h>
-#include <stdio.h>
-#include <errno.h>
-
-/* From <linux/vt.h> */
-struct vt_stat {
- unsigned short v_active; /* active vt */
- unsigned short v_signal; /* signal to send */
- unsigned short v_state; /* vt bitmask */
-};
-enum { VT_GETSTATE = 0x5603 }; /* get global vt state info */
-
-/* From <linux/serial.h> */
-struct serial_struct {
- int type;
- int line;
- unsigned int port;
- int irq;
- int flags;
- int xmit_fifo_size;
- int custom_divisor;
- int baud_base;
- unsigned short close_delay;
- char io_type;
- char reserved_char[1];
- int hub6;
- unsigned short closing_wait; /* time to wait before closing */
- unsigned short closing_wait2; /* no longer used... */
- unsigned char *iomem_base;
- unsigned short iomem_reg_shift;
- unsigned int port_high;
- unsigned long iomap_base; /* cookie passed into ioremap */
- int reserved[1];
-};
-
-int main(int ergc, char **argv)
-{
- int fd;
- char console[sizeof(int)*3 + 16];
- union {
- struct vt_stat vt;
- struct serial_struct sr;
- char paranoia[sizeof(struct serial_struct) * 3];
- } u;
-
- if (!argv[1]) {
- fprintf(stderr, "Usage: cttyhack cmd [arg1] [arg2]...\n");
- return -1;
- }
-
- strcpy(console, "/dev/tty");
- if (ioctl(0, TIOCGSERIAL, &u.sr) == 0) {
- /* this is a serial console */
- sprintf(console + 8, "S%d", u.sr.line);
- } else if (ioctl(0, VT_GETSTATE, &u.vt) == 0) {
- /* this is linux virtual tty */
- sprintf(console + 8, "%d", u.vt.v_active);
- }
-
- if (console[8]) {
- fd = open(console, O_RDWR);
- if (fd >= 0) {
- //fprintf(stderr, "cttyhack: switching to '%s'\n", console);
- dup2(fd, 0);
- dup2(fd, 1);
- dup2(fd, 2);
- while (fd > 2) close(fd--);
- }
- }
-
- execvp(argv[1], argv + 1);
- fprintf(stderr, "cttyhack: failed to exec %s: %s\n",
- argv[1], strerror(errno));
- return -1;
-}