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Diffstat (limited to 'sysdeps/unix/sysv/tcsetattr.c')
-rw-r--r--sysdeps/unix/sysv/tcsetattr.c208
1 files changed, 208 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/tcsetattr.c b/sysdeps/unix/sysv/tcsetattr.c
new file mode 100644
index 0000000000..30e1b0b48d
--- /dev/null
+++ b/sysdeps/unix/sysv/tcsetattr.c
@@ -0,0 +1,208 @@
+/* Copyright (C) 1992 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., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <ansidecl.h>
+#include <errno.h>
+#include <stddef.h>
+#include <termios.h>
+#include <sys/ioctl.h>
+
+#include <sysv_termio.h>
+
+
+CONST speed_t __unix_speeds[] =
+ {
+ 0,
+ 50,
+ 75,
+ 110,
+ 134,
+ 150,
+ 200,
+ 300,
+ 600,
+ 1200,
+ 1800,
+ 2400,
+ 4800,
+ 9600,
+ 19200,
+ 38400,
+ };
+
+
+/* Set the state of FD to *TERMIOS_P. */
+int
+DEFUN(tcsetattr, (fd, optional_actions, termios_p),
+ int fd AND int optional_actions AND CONST struct termios *termios_p)
+{
+ struct __sysv_termio buf;
+ int ioctl_function;
+ size_t i;
+
+ if (termios_p == NULL)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+ switch (optional_actions)
+ {
+ case TCSANOW:
+ ioctl_function = _TCSETA;
+ break;
+ case TCSADRAIN:
+ ioctl_function = _TCSETAW;
+ break;
+ case TCSAFLUSH:
+ ioctl_function = _TCSETAF;
+ break;
+ default:
+ errno = EINVAL;
+ return -1;
+ }
+
+ if (termios_p->__ispeed != termios_p->__ospeed)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+ buf.c_cflag = -1;
+ for (i = 0; i <= sizeof (__unix_speeds) / sizeof (__unix_speeds[0]); ++i)
+ {
+ if (__unix_speeds[i] == termios_p->__ispeed)
+ buf.c_cflag = i;
+ }
+ if (buf.c_cflag == -1)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+
+ buf.c_iflag = 0;
+ if (termios_p->c_iflag & IGNBRK)
+ buf.c_iflag |= _SYSV_IGNBRK;
+ if (termios_p->c_iflag & BRKINT)
+ buf.c_iflag |= _SYSV_BRKINT;
+ if (termios_p->c_iflag & IGNPAR)
+ buf.c_iflag |= _SYSV_IGNPAR;
+ if (termios_p->c_iflag & PARMRK)
+ buf.c_iflag |= _SYSV_PARMRK;
+ if (termios_p->c_iflag & INPCK)
+ buf.c_iflag |= _SYSV_INPCK;
+ if (termios_p->c_iflag & ISTRIP)
+ buf.c_iflag |= _SYSV_ISTRIP;
+ if (termios_p->c_iflag & INLCR)
+ buf.c_iflag |= _SYSV_INLCR;
+ if (termios_p->c_iflag & IGNCR)
+ buf.c_iflag |= _SYSV_IGNCR;
+ if (termios_p->c_iflag & ICRNL)
+ buf.c_iflag |= _SYSV_ICRNL;
+ if (termios_p->c_iflag & IXON)
+ buf.c_iflag |= _SYSV_IXON;
+ if (termios_p->c_iflag & IXOFF)
+ buf.c_iflag |= _SYSV_IXOFF;
+ if (termios_p->c_iflag & IXANY)
+ buf.c_iflag |= _SYSV_IXANY;
+ if (termios_p->c_iflag & IMAXBEL)
+ buf.c_iflag |= _SYSV_IMAXBEL;
+
+ buf.c_oflag = 0;
+ if (termios_p->c_oflag & OPOST)
+ buf.c_oflag = _SYSV_OPOST;
+ if (termios_p->c_oflag & ONLCR)
+ buf.c_oflag = _SYSV_ONLCR;
+
+ /* So far, buf.c_cflag contains the speed in CBAUD. */
+ if (termios_p->c_cflag & CSTOPB)
+ buf.c_cflag |= _SYSV_CSTOPB;
+ if (termios_p->c_cflag & CREAD)
+ buf.c_cflag |= _SYSV_CREAD;
+ if (termios_p->c_cflag & PARENB)
+ buf.c_cflag |= _SYSV_PARENB;
+ if (termios_p->c_cflag & PARODD)
+ buf.c_cflag |= _SYSV_PARODD;
+ if (termios_p->c_cflag & HUPCL)
+ buf.c_cflag |= _SYSV_HUPCL;
+ if (termios_p->c_cflag & CLOCAL)
+ buf.c_cflag |= _SYSV_CLOCAL;
+ switch (termios_p->c_cflag & CSIZE)
+ {
+ case CS5:
+ buf.c_cflag |= _SYSV_CS5;
+ break;
+ case CS6:
+ buf.c_cflag |= _SYSV_CS6;
+ break;
+ case CS7:
+ buf.c_cflag |= _SYSV_CS7;
+ break;
+ case CS8:
+ buf.c_cflag |= _SYSV_CS8;
+ break;
+ }
+
+ buf.c_lflag = 0;
+ if (termios_p->c_lflag & ISIG)
+ buf.c_lflag |= _SYSV_ISIG;
+ if (termios_p->c_lflag & ICANON)
+ buf.c_lflag |= _SYSV_ICANON;
+ if (termios_p->c_lflag & ECHO)
+ buf.c_lflag |= _SYSV_ECHO;
+ if (termios_p->c_lflag & ECHOE)
+ buf.c_lflag |= _SYSV_ECHOE;
+ if (termios_p->c_lflag & ECHOK)
+ buf.c_lflag |= _SYSV_ECHOK;
+ if (termios_p->c_lflag & ECHONL)
+ buf.c_lflag |= _SYSV_ECHONL;
+ if (termios_p->c_lflag & NOFLSH)
+ buf.c_lflag |= _SYSV_NOFLSH;
+ if (termios_p->c_lflag & TOSTOP)
+ buf.c_lflag |= _SYSV_TOSTOP;
+ if (termios_p->c_lflag & ECHOCTL)
+ buf.c_lflag |= _SYSV_ECHOCTL;
+ if (termios_p->c_lflag & ECHOPRT)
+ buf.c_lflag |= _SYSV_ECHOPRT;
+ if (termios_p->c_lflag & ECHOKE)
+ buf.c_lflag |= _SYSV_ECHOKE;
+ if (termios_p->c_lflag & FLUSHO)
+ buf.c_lflag |= _SYSV_FLUSHO;
+ if (termios_p->c_lflag & PENDIN)
+ buf.c_lflag |= _SYSV_PENDIN;
+ if (termios_p->c_lflag & IEXTEN)
+ buf.c_lflag |= _SYSV_IEXTEN;
+
+ buf.c_cc[_SYSV_VINTR] = termios_p->c_cc[VINTR];
+ buf.c_cc[_SYSV_VQUIT] = termios_p->c_cc[VQUIT];
+ buf.c_cc[_SYSV_VERASE] = termios_p->c_cc[VERASE];
+ buf.c_cc[_SYSV_VKILL] = termios_p->c_cc[VKILL];
+ if (buf.c_lflag & _SYSV_ICANON)
+ {
+ buf.c_cc[_SYSV_VEOF] = termios_p->c_cc[VEOF];
+ buf.c_cc[_SYSV_VEOL] = termios_p->c_cc[VEOL];
+ }
+ else
+ {
+ buf.c_cc[_SYSV_VMIN] = termios_p->c_cc[VMIN];
+ buf.c_cc[_SYSV_VTIME] = termios_p->c_cc[VTIME];
+ }
+ buf.c_cc[_SYSV_VEOL2] = termios_p->c_cc[VEOL2];
+
+ if (__ioctl (fd, ioctl_function, &buf) < 0)
+ return -1;
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-24 11:57:31 +0000