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04277e02d7
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
108 lines
2.8 KiB
C
108 lines
2.8 KiB
C
/* Test for ptsname/ptsname_r.
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Copyright (C) 2014-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Aurelien Jarno <aurelien@aurel32.net>, 2014.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#define DEV_TTY "/dev/tty"
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#define PTSNAME_EINVAL "./ptsname-einval"
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static int
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do_single_test (int fd, char *buf, size_t buflen, int expected_err)
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{
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int ret = ptsname_r (fd, buf, buflen);
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int err = errno;
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if (expected_err == 0)
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{
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if (ret != 0)
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{
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printf ("ptsname_r: expected: return = 0\n");
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printf (" got: return = %d, errno = %d (%s)\n",
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ret, err, strerror (err));
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return 1;
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}
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}
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else
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{
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if (ret == 0 || errno != expected_err)
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{
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printf ("ptsname_r: expected: return = %d, errno = %d (%s)\n",
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-1, expected_err, strerror (expected_err));
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printf (" got: return = %d, errno = %d (%s)\n",
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ret, err, strerror (err));
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return 1;
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}
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}
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return 0;
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}
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static int
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do_test (void)
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{
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char buf[512];
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int result = 0;
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/* Tests with a real PTS master. */
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int fd = posix_openpt (O_RDWR);
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if (fd != -1)
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{
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result |= do_single_test (fd, buf, sizeof (buf), 0);
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result |= do_single_test (fd, buf, 1, ERANGE);
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close (fd);
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}
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else
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printf ("posix_openpt (O_RDWR) failed\nerrno %d (%s)\n",
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errno, strerror (errno));
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/* Test with a terminal device which is not a PTS master. */
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fd = open (DEV_TTY, O_RDONLY);
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if (fd != -1)
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{
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result |= do_single_test (fd, buf, sizeof (buf), ENOTTY);
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close (fd);
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}
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else
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printf ("open (\"%s\", O_RDWR) failed\nerrno %d (%s)\n",
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DEV_TTY, errno, strerror (errno));
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/* Test with a file. */
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fd = open (PTSNAME_EINVAL, O_RDWR | O_CREAT, 0600);
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if (fd != -1)
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{
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result |= do_single_test (fd, buf, sizeof (buf), ENOTTY);
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close (fd);
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unlink (PTSNAME_EINVAL);
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}
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else
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printf ("open (\"%s\", O_RDWR | OCREAT) failed\nerrno %d (%s)\n",
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PTSNAME_EINVAL, errno, strerror (errno));
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return result;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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