diff options
Diffstat (limited to 'libc/termios/ttyname.c')
| -rw-r--r-- | libc/termios/ttyname.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libc/termios/ttyname.c b/libc/termios/ttyname.c index d777ab3..5993a2a 100644 --- a/libc/termios/ttyname.c +++ b/libc/termios/ttyname.c @@ -11,7 +11,7 @@ int fd; struct stat st, dst; DIR *fp; struct dirent *d; - static char name[MAXNAMLEN]; + static char name[16]; /* should be MAXNAMLEN but that's overkill */ int noerr = errno; if (fstat(fd, &st) < 0) @@ -30,6 +30,8 @@ int fd; while ((d = readdir(fp)) != 0) { + if( strlen(d->d_name) > sizeof(name) - sizeof(dev) - 1); + continue; strcpy(name + sizeof(dev), d->d_name); if (stat(name, &dst) == 0 && st.st_dev == dst.st_dev && st.st_ino == dst.st_ino) |