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* [newlib-cygwin] Add tcgetwinsize(3) and tcsetwinsize(3) to termios
@ 2022-07-11 11:53 Sebastian Huber
  0 siblings, 0 replies; only message in thread
From: Sebastian Huber @ 2022-07-11 11:53 UTC (permalink / raw)
  To: newlib-cvs

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=581bde91a58289cfad8dec328c00283baa0a92e2

commit 581bde91a58289cfad8dec328c00283baa0a92e2
Author: Konstantin Belousov <kib@FreeBSD.org>
Date:   Fri Dec 25 01:05:31 2020 +0200

    Add tcgetwinsize(3) and tcsetwinsize(3) to termios
    
    These functions get/set tty winsize respectively, and are trivial wrappers
    around corresponding termio ioctls.
    
    The functions are expected to be a part of POSIX.1 issue 8:
    https://www.austingroupbugs.net/view.php?id=1151#c3856.
    They are currently available in NetBSD and in musl libc.
    
    PR:     251868
    Submitted by:   Soumendra Ganguly <soumendraganguly@gmail.com>
    MFC after:      1 week
    Differential Revision:  https://reviews.freebsd.org/D27650

Diff:
---
 newlib/libc/sys/rtems/include/sys/_winsize.h | 49 ++++++++++++++++++++++++++++
 newlib/libc/sys/rtems/include/sys/ttycom.h   | 12 +------
 newlib/libc/sys/rtems/include/termios.h      |  6 ++++
 3 files changed, 56 insertions(+), 11 deletions(-)

diff --git a/newlib/libc/sys/rtems/include/sys/_winsize.h b/newlib/libc/sys/rtems/include/sys/_winsize.h
new file mode 100644
index 000000000..78d0b8a6e
--- /dev/null
+++ b/newlib/libc/sys/rtems/include/sys/_winsize.h
@@ -0,0 +1,49 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1988, 1989, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)ttycom.h	8.1 (Berkeley) 3/28/94
+ * $FreeBSD$
+ */
+
+#ifndef _SYS__WINSIZE_H_
+#define _SYS__WINSIZE_H_
+
+/*
+ * Window/terminal size structure.  This information is stored by the kernel
+ * in order to provide a consistent interface, but is not used by the kernel.
+ */
+struct winsize {
+	unsigned short	ws_row;		/* rows, in characters */
+	unsigned short	ws_col;		/* columns, in characters */
+	unsigned short	ws_xpixel;	/* horizontal size, pixels */
+	unsigned short	ws_ypixel;	/* vertical size, pixels */
+};
+
+#endif /* !_SYS__WINSIZE_H_ */
diff --git a/newlib/libc/sys/rtems/include/sys/ttycom.h b/newlib/libc/sys/rtems/include/sys/ttycom.h
index 5aabb074a..a7309d4c5 100644
--- a/newlib/libc/sys/rtems/include/sys/ttycom.h
+++ b/newlib/libc/sys/rtems/include/sys/ttycom.h
@@ -41,23 +41,13 @@
 #define	_SYS_TTYCOM_H_
 
 #include <sys/ioccom.h>
+#include <sys/_winsize.h>
 
 /*
  * Tty ioctl's except for those supported only for backwards compatibility
  * with the old tty driver.
  */
 
-/*
- * Window/terminal size structure.  This information is stored by the kernel
- * in order to provide a consistent interface, but is not used by the kernel.
- */
-struct winsize {
-	unsigned short	ws_row;		/* rows, in characters */
-	unsigned short	ws_col;		/* columns, in characters */
-	unsigned short	ws_xpixel;	/* horizontal size, pixels */
-	unsigned short	ws_ypixel;	/* vertical size, pixels */
-};
-
 						/* 0-2 compat */
 						/* 3-7 unused */
 						/* 8-10 compat */
diff --git a/newlib/libc/sys/rtems/include/termios.h b/newlib/libc/sys/rtems/include/termios.h
index ce31d447f..9b808329a 100644
--- a/newlib/libc/sys/rtems/include/termios.h
+++ b/newlib/libc/sys/rtems/include/termios.h
@@ -38,6 +38,9 @@
 #include <sys/cdefs.h>
 #include <sys/_termios.h>
 #include <sys/_types.h>
+#if __BSD_VISIBLE
+#include <sys/_winsize.h>
+#endif
 
 #ifndef _PID_T_DECLARED
 typedef	__pid_t		pid_t;
@@ -92,6 +95,9 @@ int	tcsetsid(int, pid_t);
 void	cfmakeraw(struct termios *);
 void	cfmakesane(struct termios *);
 int	cfsetspeed(struct termios *, speed_t);
+
+int	tcgetwinsize(int, struct winsize *);
+int	tcsetwinsize(int, const struct winsize *);
 #endif
 __END_DECLS


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