Remove chvt(1) from sbase as it is not portable

chvt(1) has been moved to ubase.
This commit is contained in:
sin 2013-10-07 16:15:06 +01:00
parent eafe2b6526
commit bf17657544
3 changed files with 0 additions and 73 deletions

View File

@ -32,7 +32,6 @@ SRC = \
chmod.c \
chown.c \
chroot.c \
chvt.c \
cksum.c \
cmp.c \
comm.c \

11
chvt.1
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@ -1,11 +0,0 @@
.TH CHVT 1 sbase\-VERSION
.SH NAME
chvt \- change foreground virtual terminal
.SH SYNOPSIS
.B chvt
.I N
.SH DESCRIPTION
.B chvt
brings /dev/ttyN to the foreground. This has the
same effect as Ctrl-Alt-FN.

61
chvt.c
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@ -1,61 +0,0 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include "util.h"
enum {
/* from <linux/vt.h> */
VT_ACTIVATE = 0x5606,
VT_WAITACTIVE = 0x5607,
/* from <linux/kd.h> */
KDGKBTYPE = 0x4B33
};
char *vts[] = {
"/proc/self/fd/0",
"/dev/console",
"/dev/tty",
"/dev/tty0",
};
static void
usage(void)
{
eprintf("usage: chvt N\n");
}
int
main(int argc, char **argv)
{
int n, i, fd;
char c;
if(argc!=2 || strspn(argv[1], "1234567890") != strlen(argv[1]))
usage();
n = atoi(argv[1]);
for(i = 0; i < LEN(vts); i++) {
fd = open(vts[i], O_RDONLY);
if(fd < 1)
continue;
c = 0;
if(ioctl(fd, KDGKBTYPE, &c) == 0)
goto VTfound;
close(fd);
}
eprintf("chvt: couldn't find a console.\n");
VTfound:
if(ioctl(fd, VT_ACTIVATE, n) == -1)
eprintf("chvt: VT_ACTIVATE '%d':", n);
if(ioctl(fd, VT_WAITACTIVE, n) == -1)
eprintf("chvt: VT_WAITACTIVE '%d':", n);
close(fd);
return 0;
}