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-rw-r--r--libc/termios/tcgetattr.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/libc/termios/tcgetattr.c b/libc/termios/tcgetattr.c
new file mode 100644
index 000000000..957b5b0c1
--- /dev/null
+++ b/libc/termios/tcgetattr.c
@@ -0,0 +1,67 @@
+/* Copyright (C) 1992, 1995, 1997, 1998 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <string.h>
+#include <termios.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+
+/* The difference here is that the termios structure used in the
+ kernel is not the same as we use in the libc. Therefore we must
+ translate it here. */
+#include "kernel_termios.h"
+
+/* Put the state of FD into *TERMIOS_P. */
+int tcgetattr ( int fd, struct termios *termios_p)
+{
+ struct __kernel_termios k_termios;
+ int retval;
+
+ retval = ioctl (fd, TCGETS, &k_termios);
+
+ termios_p->c_iflag = k_termios.c_iflag;
+ termios_p->c_oflag = k_termios.c_oflag;
+ termios_p->c_cflag = k_termios.c_cflag;
+ termios_p->c_lflag = k_termios.c_lflag;
+ termios_p->c_line = k_termios.c_line;
+#ifdef _HAVE_C_ISPEED
+ termios_p->c_ispeed = k_termios.c_ispeed;
+#endif
+#ifdef _HAVE_C_OSPEED
+ termios_p->c_ospeed = k_termios.c_ospeed;
+#endif
+ if (sizeof (cc_t) == 1 || _POSIX_VDISABLE == 0
+ || (unsigned char) _POSIX_VDISABLE == (unsigned char) -1)
+ memset ( (memcpy (&termios_p->c_cc[0], &k_termios.c_cc[0],
+ __KERNEL_NCCS * sizeof (cc_t)) + (__KERNEL_NCCS * sizeof (cc_t))) ,
+ _POSIX_VDISABLE, (NCCS - __KERNEL_NCCS) * sizeof (cc_t));
+ else
+ {
+ size_t cnt;
+
+ memcpy (&termios_p->c_cc[0], &k_termios.c_cc[0],
+ __KERNEL_NCCS * sizeof (cc_t));
+
+ for (cnt = __KERNEL_NCCS; cnt < NCCS; ++cnt)
+ termios_p->c_cc[cnt] = _POSIX_VDISABLE;
+ }
+
+ return retval;
+}
+