diff options
Diffstat (limited to 'coreutils/tty.c')
-rw-r--r-- | coreutils/tty.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/coreutils/tty.c b/coreutils/tty.c index b0a50ff..48e1511 100644 --- a/coreutils/tty.c +++ b/coreutils/tty.c @@ -13,7 +13,7 @@ #include "libbb.h" int tty_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; -int tty_main(int argc, char **argv) +int tty_main(int argc, char **argv SKIP_INCLUDE_SUSv2(ATTRIBUTE_UNUSED)) { const char *s; USE_INCLUDE_SUSv2(int silent;) /* Note: No longer relevant in SUSv3. */ @@ -22,15 +22,17 @@ int tty_main(int argc, char **argv) xfunc_error_retval = 2; /* SUSv3 requires > 1 for error. */ USE_INCLUDE_SUSv2(silent = getopt32(argv, "s");) + USE_INCLUDE_SUSv2(argc -= optind;) + SKIP_INCLUDE_SUSv2(argc -= 1;) /* gnu tty outputs a warning that it is ignoring all args. */ - bb_warn_ignoring_args(argc - optind); + bb_warn_ignoring_args(argc); retval = 0; s = ttyname(0); if (s == NULL) { - /* According to SUSv3, ttyname can on fail with EBADF or ENOTTY. + /* According to SUSv3, ttyname can fail with EBADF or ENOTTY. * We know the file descriptor is good, so failure means not a tty. */ s = "not a tty"; retval = 1; |