* Copyright (c) 1991 The Regents of the University of California.
* This code is derived from software contributed to Berkeley by
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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
static char sccsid
[] = "@(#)miscbltin.c 5.2 (Berkeley) 3/13/91";
extern char **argptr
; /* argument list for builtin command */
* The read builtin. The -e option causes backslashes to escape the
* This uses unbuffered input, which may be avoidable in some cases.
readcmd(argc
, argv
) char **argv
; {
while ((i
= nextopt("ep:")) != '\0') {
if (prompt
&& isatty(0)) {
if ((ap
= argptr
) == NULL
)
if ((ifs
= bltinlookup("IFS", 1)) == NULL
)
if (read(0, &c
, 1) != 1) {
if (eflag
&& c
== '\\') {
if (startword
&& *ifs
== ' ' && strchr(ifs
, c
)) {
if (backslash
&& c
== '\\') {
if (read(0, &c
, 1) != 1) {
} else if (ap
[1] != NULL
&& strchr(ifs
, c
) != NULL
) {
setvar(*ap
, stackblock(), 0);
setvar(*ap
, stackblock(), 0);
umaskcmd(argc
, argv
) char **argv
; {
if ((p
= argv
[1]) == NULL
) {
out1fmt("%.4o\n", mask
); /* %#o might be better */
if ((unsigned)(i
= *p
- '0') >= 8)
error("Illegal number: %s", argv
[1]);