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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2018-04-16 21:48:32 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2018-04-16 21:48:32 +0200 |
| commit | 816d8d7a668b541cee99469edb90e4917ea11c3e (patch) | |
| tree | 84d10ca9173bf499a23de61e577a94639fdaeec2 /console-tools | |
| parent | fa87abe807530daeb46f6730d4231489a4e2782b (diff) | |
| download | busybox-w32-816d8d7a668b541cee99469edb90e4917ea11c3e.tar.gz busybox-w32-816d8d7a668b541cee99469edb90e4917ea11c3e.tar.bz2 busybox-w32-816d8d7a668b541cee99469edb90e4917ea11c3e.zip | |
setlogcons: open /dev/ttyN for "setlogcons N", not /dev/tty1
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'console-tools')
| -rw-r--r-- | console-tools/setlogcons.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/console-tools/setlogcons.c b/console-tools/setlogcons.c index 6778a4d2b..0fad6600a 100644 --- a/console-tools/setlogcons.c +++ b/console-tools/setlogcons.c | |||
| @@ -41,6 +41,7 @@ | |||
| 41 | int setlogcons_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; | 41 | int setlogcons_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
| 42 | int setlogcons_main(int argc UNUSED_PARAM, char **argv) | 42 | int setlogcons_main(int argc UNUSED_PARAM, char **argv) |
| 43 | { | 43 | { |
| 44 | char *devname; | ||
| 44 | struct { | 45 | struct { |
| 45 | char fn; | 46 | char fn; |
| 46 | char subarg; | 47 | char subarg; |
| @@ -52,7 +53,14 @@ int setlogcons_main(int argc UNUSED_PARAM, char **argv) | |||
| 52 | if (argv[1]) | 53 | if (argv[1]) |
| 53 | arg.subarg = xatou_range(argv[1], 0, 63); | 54 | arg.subarg = xatou_range(argv[1], 0, 63); |
| 54 | 55 | ||
| 55 | xioctl(xopen(VC_1, O_RDONLY), TIOCLINUX, &arg); | 56 | /* Can just call it on "/dev/tty1" always, but... |
| 57 | * in my testing, inactive (never opened) VTs are not | ||
| 58 | * redirected to, despite ioctl not failing. | ||
| 59 | * | ||
| 60 | * By using "/dev/ttyN", ensure it is activated. | ||
| 61 | */ | ||
| 62 | devname = xasprintf("/dev/tty%u", arg.subarg); | ||
| 63 | xioctl(xopen(devname, O_RDONLY), TIOCLINUX, &arg); | ||
| 56 | 64 | ||
| 57 | return EXIT_SUCCESS; | 65 | return EXIT_SUCCESS; |
| 58 | } | 66 | } |