252a83f614
Also did some cleanup in ash sources, to make minix modifications more obvious, as well as some simplifications (by removing code which is never compiled) Removed EDITLINE support, use libedit, which does the termcap/terminfo handling. Change-Id: I19f7f425ed6a61298844631f9d7f3173cf7f30c0
116 lines
3 KiB
C
116 lines
3 KiB
C
/*-
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Kenneth Almquist.
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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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* 4. 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
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER 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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* @(#)echo.c 8.2 (Berkeley) 5/4/95
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*/
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/*
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD: src/bin/sh/bltin/echo.c,v 1.14 2004/04/06 20:06:53 markm Exp $");
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*/
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/*
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* Echo command.
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*/
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#include "bltin.h"
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int
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echocmd(argc, argv)
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int argc;
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char **argv;
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{
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char **ap;
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char *p;
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char c;
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int count;
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int nflag = 0;
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#ifdef __minix
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int eflag = 0;
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#endif
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ap = argv;
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if (argc)
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ap++;
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if ((p = *ap) != NULL) {
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#ifdef __minix
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if (equal(p, "--")) {
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ap++;
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}
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#endif
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if (equal(p, "-n")) {
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nflag++;
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ap++;
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} else if (equal(p, "-e")) {
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#ifdef __minix
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eflag++;
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#endif
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ap++;
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}
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}
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while ((p = *ap++) != NULL) {
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while ((c = *p++) != '\0') {
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if (c == '\\' && eflag) {
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switch (*p++) {
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case 'a': c = '\a'; break;
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case 'b': c = '\b'; break;
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case 'c': return 0; /* exit */
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case 'e': c = '\033'; break;
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case 'f': c = '\f'; break;
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case 'n': c = '\n'; break;
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case 'r': c = '\r'; break;
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case 't': c = '\t'; break;
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case 'v': c = '\v'; break;
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case '\\': break; /* c = '\\' */
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case '0':
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c = 0;
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count = 3;
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while (--count >= 0 && (unsigned)(*p - '0') < 8)
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c = (c << 3) + (*p++ - '0');
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break;
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default:
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p--;
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break;
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}
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}
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putchar(c);
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}
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if (*ap)
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putchar(' ');
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}
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if (! nflag)
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putchar('\n');
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return 0;
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}
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/*
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* $PchId: echo.c,v 1.5 2006/05/23 12:05:56 philip Exp $
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*/
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