76 lines
Diff
76 lines
Diff
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diff -N -u -r ../socat-1.7.2.4/openpty.c ./openpty.c
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--- ../socat-1.7.2.4/openpty.c 1970-01-01 01:00:00.000000000 +0100
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+++ ./openpty.c 2014-07-15 15:23:08.731170078 +0200
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@@ -0,0 +1,71 @@
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+/* Copyright (C) 1998, 1999, 2004 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+ Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
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+
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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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+
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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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+
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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, write to the Free
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+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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+ 02111-1307 USA. */
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+
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+#include <errno.h>
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+#include <fcntl.h>
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+#include <limits.h>
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+#include <stdlib.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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+#include <sys/types.h>
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+#include <sys/ioctl.h>
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+
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+#define _PATH_DEVPTMX "/dev/ptmx"
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+
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+int openpty (int *amaster, int *aslave, char *name, struct termios *termp,
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+ struct winsize *winp)
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+{
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+ char buf[PATH_MAX];
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+ int master, slave;
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+
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+ master = open(_PATH_DEVPTMX, O_RDWR);
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+ if (master == -1)
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+ return -1;
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+
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+ if (grantpt(master))
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+ goto fail;
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+
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+ if (unlockpt(master))
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+ goto fail;
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+
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+ if (ptsname_r(master, buf, sizeof buf))
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+ goto fail;
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+
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+ slave = open(buf, O_RDWR | O_NOCTTY);
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+ if (slave == -1)
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+ goto fail;
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+
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+ /* XXX Should we ignore errors here? */
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+ if (termp)
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+ tcsetattr(slave, TCSAFLUSH, termp);
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+ if (winp)
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+ ioctl(slave, TIOCSWINSZ, winp);
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+
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+ *amaster = master;
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+ *aslave = slave;
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+ if (name != NULL)
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+ strcpy(name, buf);
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+
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+ return 0;
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+
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+fail:
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+ close(master);
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+ return -1;
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+}
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