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-rw-r--r--libc/termios/tcsetattr.c116
1 files changed, 57 insertions, 59 deletions
diff --git a/libc/termios/tcsetattr.c b/libc/termios/tcsetattr.c
index 9f8c172bd..83bf61d99 100644
--- a/libc/termios/tcsetattr.c
+++ b/libc/termios/tcsetattr.c
@@ -2,22 +2,23 @@
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.
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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.
+ Lesser 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. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
#include <errno.h>
#include <string.h>
+#include <termios.h>
#include <sys/ioctl.h>
#include <sys/types.h>
@@ -46,73 +47,70 @@
/* Set the state of FD to *TERMIOS_P. */
-int tcsetattr (fd, optional_actions, termios_p)
- int fd;
- int optional_actions;
- const struct libc_termios *termios_p;
+int tcsetattr (int fd, int optional_actions, const struct termios *termios_p)
{
- struct __kernel_termios k_termios;
- unsigned long int cmd;
- int retval;
+ struct __kernel_termios k_termios;
+ unsigned long int cmd;
+ int retval;
- switch (optional_actions)
+ switch (optional_actions)
{
- case TCSANOW:
- cmd = TCSETS;
- break;
- case TCSADRAIN:
- cmd = TCSETSW;
- break;
- case TCSAFLUSH:
- cmd = TCSETSF;
- break;
- default:
- __set_errno(EINVAL);
- return -1;
+ case TCSANOW:
+ cmd = TCSETS;
+ break;
+ case TCSADRAIN:
+ cmd = TCSETSW;
+ break;
+ case TCSAFLUSH:
+ cmd = TCSETSF;
+ break;
+ default:
+ __set_errno (EINVAL);
+ return -1;
}
- k_termios.c_iflag = termios_p->c_iflag & ~IBAUD0;
- k_termios.c_oflag = termios_p->c_oflag;
- k_termios.c_cflag = termios_p->c_cflag;
- k_termios.c_lflag = termios_p->c_lflag;
- k_termios.c_line = termios_p->c_line;
+ k_termios.c_iflag = termios_p->c_iflag & ~IBAUD0;
+ k_termios.c_oflag = termios_p->c_oflag;
+ k_termios.c_cflag = termios_p->c_cflag;
+ k_termios.c_lflag = termios_p->c_lflag;
+ k_termios.c_line = termios_p->c_line;
#ifdef _HAVE_C_ISPEED
- k_termios.c_ispeed = termios_p->c_ispeed;
+ k_termios.c_ispeed = termios_p->c_ispeed;
#endif
#ifdef _HAVE_C_OSPEED
- k_termios.c_ospeed = termios_p->c_ospeed;
+ k_termios.c_ospeed = termios_p->c_ospeed;
#endif
- memcpy (&k_termios.c_cc[0], &termios_p->c_cc[0],
- __KERNEL_NCCS * sizeof (cc_t));
+ memcpy (&k_termios.c_cc[0], &termios_p->c_cc[0],
+ __KERNEL_NCCS * sizeof (cc_t));
- retval = ioctl (fd, cmd, &k_termios);
+ retval = ioctl (fd, cmd, &k_termios);
- if (retval == 0 && cmd == TCSETS)
+ if (retval == 0 && cmd == TCSETS)
{
- /* The Linux kernel has a bug which silently ignore the invalid
- c_cflag on pty. We have to check it here. */
- int save = errno;
- retval = ioctl (fd, TCGETS, &k_termios);
- if (retval)
+ /* The Linux kernel has a bug which silently ignore the invalid
+ c_cflag on pty. We have to check it here. */
+ int save = errno;
+ retval = ioctl (fd, TCGETS, &k_termios);
+ if (retval)
{
- /* We cannot verify if the setting is ok. We don't return
- an error (?). */
- __set_errno(save);
- retval = 0;
+ /* We cannot verify if the setting is ok. We don't return
+ an error (?). */
+ __set_errno (save);
+ retval = 0;
}
- else if ((termios_p->c_cflag & (PARENB | CREAD))
- != (k_termios.c_cflag & (PARENB | CREAD))
- || ((termios_p->c_cflag & CSIZE)
- && ((termios_p->c_cflag & CSIZE)
- != (k_termios.c_cflag & CSIZE))))
+ else if ((termios_p->c_cflag & (PARENB | CREAD))
+ != (k_termios.c_cflag & (PARENB | CREAD))
+ || ((termios_p->c_cflag & CSIZE)
+ && ((termios_p->c_cflag & CSIZE)
+ != (k_termios.c_cflag & CSIZE))))
{
- /* It looks like the Linux kernel silently changed the
- PARENB/CREAD/CSIZE bits in c_cflag. Report it as an
- error. */
- __set_errno(EINVAL);
- retval = -1;
+ /* It looks like the Linux kernel silently changed the
+ PARENB/CREAD/CSIZE bits in c_cflag. Report it as an
+ error. */
+ __set_errno (EINVAL);
+ retval = -1;
}
}
- return retval;
+ return retval;
}