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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2016-08-20 19:50:45 +0200
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2016-08-20 19:50:45 +0200
commit4dd9e35bfd35d3138bc44169baba098005bad51e (patch)
treea4939c43a9c3fe00eb27f023e14acc5e1fe8808c /login/tst-ptsname.c
parentbd42a4599d1b6f77bcfe1e4f67b7cbd9e1cb2dfd (diff)
parentf76453c31593957fec1a99b986bfa5506618b79c (diff)
Merge commit 'refs/top-bases/t/bigmem' into t/bigmem
Diffstat (limited to 'login/tst-ptsname.c')
-rw-r--r--login/tst-ptsname.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/login/tst-ptsname.c b/login/tst-ptsname.c
new file mode 100644
index 0000000000..de69d974b8
--- /dev/null
+++ b/login/tst-ptsname.c
@@ -0,0 +1,108 @@
+/* Test for ptsname/ptsname_r.
+ Copyright (C) 2014-2015 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Aurelien Jarno <aurelien@aurel32.net>, 2014.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#define DEV_TTY "/dev/tty"
+#define PTSNAME_EINVAL "./ptsname-einval"
+
+static int
+do_single_test (int fd, char *buf, size_t buflen, int expected_err)
+{
+
+ int ret = ptsname_r (fd, buf, buflen);
+ int err = errno;
+
+ if (expected_err == 0)
+ {
+ if (ret != 0)
+ {
+ printf ("ptsname_r: expected: return = 0\n");
+ printf (" got: return = %d, errno = %d (%s)\n",
+ ret, err, strerror (err));
+ return 1;
+ }
+ }
+ else
+ {
+ if (ret == 0 || errno != expected_err)
+ {
+ printf ("ptsname_r: expected: return = %d, errno = %d (%s)\n",
+ -1, expected_err, strerror (expected_err));
+ printf (" got: return = %d, errno = %d (%s)\n",
+ ret, err, strerror (err));
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+static int
+do_test (void)
+{
+ char buf[512];
+ int result = 0;
+
+ /* Tests with a real PTS master. */
+ int fd = posix_openpt (O_RDWR);
+ if (fd != -1)
+ {
+ result |= do_single_test (fd, buf, sizeof (buf), 0);
+ result |= do_single_test (fd, NULL, sizeof (buf), EINVAL);
+ result |= do_single_test (fd, buf, 1, ERANGE);
+ close (fd);
+ }
+ else
+ printf ("posix_openpt (O_RDWR) failed\nerrno %d (%s)\n",
+ errno, strerror (errno));
+
+ /* Test with a terminal device which is not a PTS master. */
+ fd = open (DEV_TTY, O_RDONLY);
+ if (fd != -1)
+ {
+ result |= do_single_test (fd, buf, sizeof (buf), ENOTTY);
+ close (fd);
+ }
+ else
+ printf ("open (\"%s\", O_RDWR) failed\nerrno %d (%s)\n",
+ DEV_TTY, errno, strerror (errno));
+
+ /* Test with a file. */
+ fd = open (PTSNAME_EINVAL, O_RDWR | O_CREAT, 0600);
+ if (fd != -1)
+ {
+ result |= do_single_test (fd, buf, sizeof (buf), ENOTTY);
+ close (fd);
+ unlink (PTSNAME_EINVAL);
+ }
+ else
+ printf ("open (\"%s\", O_RDWR | OCREAT) failed\nerrno %d (%s)\n",
+ PTSNAME_EINVAL, errno, strerror (errno));
+
+ return result;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"