diff options
| -rw-r--r-- | miscutils/less.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/miscutils/less.c b/miscutils/less.c index 0b0dc0c8b..19051f6f6 100644 --- a/miscutils/less.c +++ b/miscutils/less.c @@ -239,6 +239,7 @@ static void data_readlines(void) { if(inp == NULL) inp = (inp_stdin) ? bb_xfopen(CURRENT_TTY, "r") : stdin; + if(inp == NULL) bb_perror_msg_and_die("no tty"); if (flags & FLAG_N) add_linenumbers(); |