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112 lines
3.1 KiB
C
112 lines
3.1 KiB
C
/* Test of pty.h and openpty function.
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Copyright (C) 2009-2017 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* Written by Simon Josefsson <simon@josefsson.org>, 2009
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and Bruno Haible <bruno@clisp.org>, 2010. */
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#include <config.h>
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#include <pty.h>
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#include "signature.h"
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SIGNATURE_CHECK (openpty, int, (int *, int *, char *, struct termios const *,
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struct winsize const *));
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#include <stdio.h>
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#include <string.h>
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#include <termios.h>
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#include <unistd.h>
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int
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main ()
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{
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{
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#ifndef _WIN32
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int master;
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int slave;
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/* Open a pseudo-terminal, as a master-slave pair. */
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{
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int res = openpty (&master, &slave, NULL, NULL, NULL);
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if (res != 0)
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{
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fprintf (stderr, "openpty returned %d\n", res);
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return 1;
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}
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}
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/* Set the terminal characteristics.
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On Linux or Mac OS X, they can be set on either the master or the slave;
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the effect is the same. But on Solaris, they have to be set on the
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master; tcgetattr on the slave fails. */
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{
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int tcfd = slave; /* You can try tcfd = master; here. */
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struct termios attributes;
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if (tcgetattr (tcfd, &attributes) < 0)
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{
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fprintf (stderr, "tcgetattr failed\n");
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return 1;
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}
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/* Enable canonical processing, including erase. */
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attributes.c_lflag |= ECHO | ICANON | ECHOE;
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attributes.c_cc[VERASE] = '\177';
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if (tcsetattr (tcfd, TCSANOW, &attributes) < 0)
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{
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fprintf (stderr, "tcsetattr failed\n");
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return 1;
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}
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}
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/* Write into the master side. */
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{
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static const char input[] = "Hello worst\177\177ld!\n";
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if (write (master, input, strlen (input)) < (int) strlen (input))
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{
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fprintf (stderr, "write failed\n");
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return 1;
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}
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}
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/* Read from the slave side. */
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{
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char buf[100];
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int res = read (slave, buf, sizeof (buf));
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static const char expected[] = "Hello world!\n";
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if (res < 0)
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{
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fprintf (stderr, "read failed\n");
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return 1;
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}
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if (!(res == strlen (expected)
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&& memcmp (buf, expected, strlen (expected)) == 0))
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{
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fprintf (stderr, "read result unexpected\n");
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return 1;
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}
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}
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/* Close the master side before the slave side gets closed.
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This is necessary on Mac OS X 10.4.11. */
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close (master);
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#endif
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}
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return 0;
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}
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