diff options
Diffstat (limited to 'sysdeps/posix/ttyname.c')
| -rw-r--r-- | sysdeps/posix/ttyname.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/sysdeps/posix/ttyname.c b/sysdeps/posix/ttyname.c index 043e91b084..ce384ebc0e 100644 --- a/sysdeps/posix/ttyname.c +++ b/sysdeps/posix/ttyname.c @@ -41,7 +41,7 @@ ttyname (fd) dev_t mydev; ino_t myino; DIR *dirstream; - struct dirent dirbuf, *d; + struct dirent *d; int save = errno; if (!__isatty (fd)) @@ -56,7 +56,7 @@ ttyname (fd) if (dirstream == NULL) return NULL; - while (__readdir_r (dirstream, &dirbuf, &d) >= 0) + while ((d = readdir (dirstream)) != NULL) if ((ino_t) d->d_fileno == myino) { size_t dlen = _D_ALLOC_NAMLEN (d); @@ -66,7 +66,11 @@ ttyname (fd) namelen = 2 * (sizeof (dev) + dlen); /* Big enough. */ name = malloc (namelen); if (! name) - return NULL; + { + /* Perhaps it helps to free the directory stream buffer. */ + (void) closedir (dirstream); + return NULL; + } (void) memcpy (name, dev, sizeof (dev) - 1); name[sizeof (dev) - 1] = '/'; } |