diff options
| author | Hajimu UMEMOTO <ume@FreeBSD.org> | 2005-05-20 14:59:20 +0000 |
|---|---|---|
| committer | Hajimu UMEMOTO <ume@FreeBSD.org> | 2005-05-20 14:59:20 +0000 |
| commit | 532e65b886f3153c320dfff28a4e4beabc1735b0 (patch) | |
| tree | c6486d513560a32ae26f0a1293ef4e70c6357c87 | |
| parent | db297254fe06f3079e81ca7b3de8af6f7b3eb546 (diff) | |
| download | src-532e65b886f3153c320dfff28a4e4beabc1735b0.tar.gz src-532e65b886f3153c320dfff28a4e4beabc1735b0.zip | |
check return value of ttyname_r().
Notes
Notes:
svn path=/head/; revision=146451
| -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 013796c4a785..06dd1b95fb76 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); } |