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libc: add paths.h, sys/ttydefaults.h and termios IUTF8
Add commonly required POSIX/BSD interfaces that portable command-line utilities expect but that were missing from the C library: - include/paths.h: _PATH_DEFPATH and the other standard default paths. - include/sys/ttydefaults.h: BSD default control-character and terminal flag definitions. - include/termios.h: define the IUTF8 input flag. Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This commit is contained in:
Xiang Xiao
Alin Jerpelea
parent
44cdacf607
commit
144d9dff02
3 changed files with 176 additions and 0 deletions
73
include/paths.h
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73
include/paths.h
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/****************************************************************************
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* include/paths.h
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_PATHS_H
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#define __INCLUDE_PATHS_H
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Default search path. */
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#define _PATH_DEFPATH "/usr/bin:/bin"
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/* All standard utilities path. */
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#define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
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#define _PATH_BSHELL "/bin/sh"
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#define _PATH_CONSOLE "/dev/console"
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#define _PATH_CSHELL "/bin/csh"
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#define _PATH_DEVDB "/var/run/dev.db"
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#define _PATH_DEVNULL "/dev/null"
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#define _PATH_DRUM "/dev/drum"
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#define _PATH_GSHADOW "/etc/gshadow"
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#define _PATH_KLOG "/proc/kmsg"
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#define _PATH_KMEM "/dev/kmem"
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#define _PATH_LASTLOG "/var/log/lastlog"
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#define _PATH_MAILDIR "/var/mail"
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#define _PATH_MAN "/usr/share/man"
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#define _PATH_MEM "/dev/mem"
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#define _PATH_MNTTAB "/etc/fstab"
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#define _PATH_MOUNTED "/etc/mtab"
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#define _PATH_NOLOGIN "/etc/nologin"
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#define _PATH_PRESERVE "/var/lib"
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#define _PATH_RWHODIR "/var/spool/rwho"
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#define _PATH_SENDMAIL "/usr/sbin/sendmail"
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#define _PATH_SHADOW "/etc/shadow"
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#define _PATH_SHELLS "/etc/shells"
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#define _PATH_TTY "/dev/tty"
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#define _PATH_UNIX "/boot/vmlinux"
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#define _PATH_UTMP "/var/run/utmp"
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#define _PATH_VI "/usr/bin/vi"
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#define _PATH_WTMP "/var/log/wtmp"
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/* Provide trailing slash, since mostly used for building pathnames. */
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#define _PATH_DEV "/dev/"
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#define _PATH_TMP "/tmp/"
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#define _PATH_VARDB "/var/lib/misc/"
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#define _PATH_VARRUN "/var/run/"
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#define _PATH_VARTMP "/var/tmp/"
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#endif /* __INCLUDE_PATHS_H */
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102
include/sys/ttydefaults.h
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102
include/sys/ttydefaults.h
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/****************************************************************************
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* include/sys/ttydefaults.h
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*
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* SPDX-License-Identifier: BSD-3-Clause
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* SPDX-FileCopyrightText: 1982, 1986, 1993 The Regents of the University of
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* California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __INCLUDE_SYS_TTYDEFAULTS_H
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#define __INCLUDE_SYS_TTYDEFAULTS_H
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* System wide defaults for terminal state. Compatible with the historical
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* 4.4BSD <sys/ttydefaults.h> used by portable command line utilities.
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*/
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/* Control Character Defaults */
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#define CTRL(x) ((x) & 037)
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#define CEOF CTRL('d')
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#ifdef _POSIX_VDISABLE
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# define CEOL _POSIX_VDISABLE
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#else
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# define CEOL '\0' /* XXX avoid _POSIX_VDISABLE requirement */
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#endif
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#define CERASE 0177
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#define CINTR CTRL('c')
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#define CSTATUS CTRL('t')
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#define CKILL CTRL('u')
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#define CMIN 1
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#define CQUIT 034 /* FS, ^\ */
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#define CSUSP CTRL('z')
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#define CTIME 0
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#define CDSUSP CTRL('y')
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#define CSTART CTRL('q')
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#define CSTOP CTRL('s')
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#define CLNEXT CTRL('v')
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#define CDISCARD CTRL('o')
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#define CWERASE CTRL('w')
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#define CREPRINT CTRL('r')
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#define CEOT CEOF
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/* Compat */
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#define CBRK CEOL
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#define CRPRNT CREPRINT
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#define CFLUSH CDISCARD
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/* PROTECTED INCLUSION ENDS HERE */
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/* #define TTYDEFCHARS to include an array of default control characters. */
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#ifdef TTYDEFCHARS
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static const cc_t ttydefchars[] =
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{
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CEOF, CEOL, CEOL, CERASE, CWERASE, CKILL, CREPRINT, CERASE, CINTR,
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CQUIT, CSUSP, CDSUSP, CSTART, CSTOP, CLNEXT, CDISCARD, CMIN, CTIME,
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CSTATUS, _POSIX_VDISABLE
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};
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#undef TTYDEFCHARS
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#endif /* TTYDEFCHARS */
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/* Default terminal flag values (only used if referenced). */
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#define TTYDEF_IFLAG (BRKINT | ISTRIP | ICRNL | IMAXBEL | IXON | IXANY)
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#define TTYDEF_OFLAG (OPOST | ONLCR)
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#define TTYDEF_LFLAG (ECHO | ICANON | ISIG | IEXTEN | ECHOE | ECHOKE | ECHOCTL)
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#define TTYDEF_CFLAG (CREAD | CS7 | PARENB | HUPCL)
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#define TTYDEF_SPEED (B9600)
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#endif /* __INCLUDE_SYS_TTYDEFAULTS_H */
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@ -51,6 +51,7 @@
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#define IXANY (1 << 11) /* Bit 11: Enable any character to restart output */
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#define IXOFF (1 << 12) /* Bit 12: Enable start/stop input control */
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#define IMAXBEL (1 << 13) /* Bit 13: Ring bell when input queue is full */
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#define IUTF8 (1 << 14) /* Bit 14: Input is UTF8 (for canonical erase) */
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/* Terminal output modes (c_oflag in the termios structure) */
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