posix_openpt: new module

[gnulib.git] / tests / test-posix_openpt.c

diff --git a/tests/test-posix_openpt.c b/tests/test-posix_openpt.c
new file mode 100644 (file)
index 0000000..3ea701e
--- /dev/null
+++ b/tests/test-posix_openpt.c
@@ -0,0 +1,76 @@
+/* Test of posix_openpt function.
+   Copyright (C) 2011 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* Written by Eric Blake <eblake@redhat.com>, 2011.  */
+
+#include <config.h>
+
+#include <stdlib.h>
+
+#include "signature.h"
+SIGNATURE_CHECK (posix_openpt, int, (int));
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#if defined __sun || defined __hpux /* Solaris, HP-UX */
+# include <stropts.h>
+#endif
+
+#include "macros.h"
+
+int
+main (void)
+{
+  int master;
+  int slave;
+  char *name;
+
+  /* Open the master of a pseudo-terminal pair.  */
+  master = posix_openpt(O_RDWR | O_NOCTTY);
+  if (master < 0 && errno == ENOSYS)
+    {
+      fputs ("skipping: platform lacks pty support\n", stderr);
+      return 77;
+    }
+
+  ASSERT (0 <= master);
+  name = ptsname (master);
+  ASSERT (name);
+  ASSERT (grantpt (master) == 0);
+  ASSERT (unlockpt (master) == 0);
+  slave = open (name, O_RDWR);
+  ASSERT (0 <= slave);
+
+#if defined __sun || defined __hpux /* Solaris, HP-UX */
+  ASSERT (ioctl (slave, I_PUSH, "ptem") == 0);
+  ASSERT (ioctl (slave, I_PUSH, "ldterm")  == 0);
+# if defined __sun
+  ASSERT (ioctl (slave, I_PUSH, "ttcompat") == 0);
+# endif
+#endif
+
+  ASSERT (isatty (slave));
+
+  /* Close the master side before the slave side gets closed.
+     This is necessary on MacOS X 10.4.11.  */
+  ASSERT (close (master) == 0);
+  ASSERT (close (slave) == 0);
+
+  return 0;
+}