diff options
| author | Kevin Cernekee <cernekee@gmail.com> | 2011-07-13 09:29:55 -0700 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2011-08-16 23:29:54 +0200 |
| commit | 816cd16a4ce81ec8d2989a356256f813fc91475d (patch) | |
| tree | 4be90720f30ae019bd104908ce2a9a995525aed6 | |
| parent | 9176f6c52cb60f9de72a1c8e6b4dafc7c29ec1bf (diff) | |
| download | busybox-816cd16a4ce81ec8d2989a356256f813fc91475d.tar.gz | |
cttyhack: remove the trailing newline when reading console name from sysfs
Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | shell/cttyhack.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/shell/cttyhack.c b/shell/cttyhack.c index 4261289b4..37ea13723 100644 --- a/shell/cttyhack.c +++ b/shell/cttyhack.c @@ -122,10 +122,12 @@ int cttyhack_main(int argc UNUSED_PARAM, char **argv) do { #ifdef __linux__ int s = open_read_close("/sys/class/tty/console/active", - console + 5, sizeof(console) - 5 - 1); + console + 5, sizeof(console) - 5); if (s > 0) { - /* found active console via sysfs (Linux 2.6.38+) */ - console[5 + s] = '\0'; + /* found active console via sysfs (Linux 2.6.38+) + * sysfs string looks like "ttyS0\n" so zap the newline: + */ + console[4 + s] = '\0'; break; } |