mirror of
https://github.com/python/cpython.git
synced 2025-07-23 19:25:40 +00:00
f008998668
[ 555817 ] Flawed fcntl.ioctl implementation. with my patch that allows for an array to be mutated when passed as the buffer argument to ioctl() (details complicated by backwards compatibility considerations -- read the docs!).
31 lines
904 B
Python
31 lines
904 B
Python
import unittest
|
|
from test_support import TestSkipped, run_unittest
|
|
import os, struct
|
|
try:
|
|
import fcntl, termios
|
|
except ImportError:
|
|
raise TestSkipped("No fcntl or termios module")
|
|
if not hasattr(termios,'TIOCGPGRP'):
|
|
raise TestSkipped("termios module doesn't have TIOCGPGRP")
|
|
|
|
class IoctlTests(unittest.TestCase):
|
|
def test_ioctl(self):
|
|
pgrp = os.getpgrp()
|
|
tty = open("/dev/tty", "r")
|
|
r = fcntl.ioctl(tty, termios.TIOCGPGRP, " ")
|
|
self.assertEquals(pgrp, struct.unpack("i", r)[0])
|
|
|
|
def test_ioctl_mutate(self):
|
|
import array
|
|
buf = array.array('i', [0])
|
|
pgrp = os.getpgrp()
|
|
tty = open("/dev/tty", "r")
|
|
r = fcntl.ioctl(tty, termios.TIOCGPGRP, buf, 1)
|
|
self.assertEquals(r, 0)
|
|
self.assertEquals(pgrp, buf[0])
|
|
|
|
def test_main():
|
|
run_unittest(IoctlTests)
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|