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authorEric Andersen <andersen@codepoet.org>1999-10-25 23:32:44 +0000
committerEric Andersen <andersen@codepoet.org>1999-10-25 23:32:44 +0000
commit0460ff2e5d443b485c2f6447c8c2ece1b3bec9c3 (patch)
treed761a790ee864a0a566d29c9d56173763fa04888 /console-tools/chvt.c
parentd143e8f2bd03470e891a5e3ccca5734edd917e73 (diff)
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Diffstat (limited to 'console-tools/chvt.c')
-rw-r--r--console-tools/chvt.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/console-tools/chvt.c b/console-tools/chvt.c
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1/*
2 * chvt.c - aeb - 940227 - Change virtual terminal
3 *
4 * busyboxed by Erik Andersen
5 */
6#include "internal.h"
7#include <sys/types.h>
8#include <sys/ioctl.h>
9#include <linux/vt.h>
10#include <stdio.h>
11#include <stdlib.h>
12#include <fcntl.h>
13
14extern int getfd(void);
15
16int
17chvt_main(int argc, char** argv)
18{
19 int fd, num;
20
21 if ( ( argc != 2) || (**(argv+1) == '-' ) ) {
22 usage ("chvt </dev/ttyN>\n");
23 }
24 fd = get_console_fd("/dev/console");
25 num = atoi(argv[1]);
26 if (ioctl(fd,VT_ACTIVATE,num)) {
27 perror("VT_ACTIVATE");
28 exit(FALSE);
29 }
30 if (ioctl(fd,VT_WAITACTIVE,num)) {
31 perror("VT_WAITACTIVE");
32 exit(FALSE);
33 }
34 exit( TRUE);
35}
36