diff options
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/gen/ttyname.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/libc/gen/ttyname.c b/lib/libc/gen/ttyname.c index 013796c..06dd1b9 100644 --- a/lib/libc/gen/ttyname.c +++ b/lib/libc/gen/ttyname.c @@ -124,7 +124,8 @@ ttyname(int fd) return (NULL); } } - ttyname_r(fd, buf, sizeof(_PATH_DEV) + MAXNAMLEN); + if (ttyname_r(fd, buf, sizeof(_PATH_DEV) + MAXNAMLEN) != 0) + return (NULL); return (buf); } |
