17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 22*965005c8Schin 23*965005c8Schin /* 24*965005c8Schin * Copyright 1996 Sun Microsystems, Inc. All rights reserved. 25*965005c8Schin * Use is subject to license terms. 26*965005c8Schin */ 27*965005c8Schin 287c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 297c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate 327c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 337c478bd9Sstevel@tonic-gate 347c478bd9Sstevel@tonic-gate /* 357c478bd9Sstevel@tonic-gate * UNIX shell 367c478bd9Sstevel@tonic-gate */ 377c478bd9Sstevel@tonic-gate #include "defs.h" 387c478bd9Sstevel@tonic-gate 397c478bd9Sstevel@tonic-gate #define exit(a) flushb(); return (a) 407c478bd9Sstevel@tonic-gate 417c478bd9Sstevel@tonic-gate extern int exitval; 427c478bd9Sstevel@tonic-gate 43*965005c8Schin int 44*965005c8Schin echo(int argc, unsigned char **argv) 457c478bd9Sstevel@tonic-gate { 46*965005c8Schin unsigned char *cp; 47*965005c8Schin int i, wd; 487c478bd9Sstevel@tonic-gate int nflg = 0; 497c478bd9Sstevel@tonic-gate int j; 507c478bd9Sstevel@tonic-gate int len; 517c478bd9Sstevel@tonic-gate wchar_t wc; 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate #ifdef _iBCS2 /* SCO compatibility support */ 547c478bd9Sstevel@tonic-gate struct namnod *sysv3; 557c478bd9Sstevel@tonic-gate int do_sysv3 = 0; 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate sysv3 = findnam("SYSV3"); 587c478bd9Sstevel@tonic-gate if (sysv3 && (sysv3->namflg & (N_EXPORT | N_ENVNAM))) 597c478bd9Sstevel@tonic-gate do_sysv3 = 1; 607c478bd9Sstevel@tonic-gate 617c478bd9Sstevel@tonic-gate /* Do the -n parsing if sysv3 is set or if ucb_builtsin is set */ 627c478bd9Sstevel@tonic-gate if (ucb_builtins && !do_sysv3) { 637c478bd9Sstevel@tonic-gate #else 647c478bd9Sstevel@tonic-gate if (ucb_builtins) { 657c478bd9Sstevel@tonic-gate #endif /* _iBCS2 */ 667c478bd9Sstevel@tonic-gate 677c478bd9Sstevel@tonic-gate nflg = 0; 687c478bd9Sstevel@tonic-gate if (argc > 1 && argv[1][0] == '-' && argv[1][1] == 'n') { 697c478bd9Sstevel@tonic-gate nflg++; 707c478bd9Sstevel@tonic-gate argc--; 717c478bd9Sstevel@tonic-gate argv++; 727c478bd9Sstevel@tonic-gate } 737c478bd9Sstevel@tonic-gate 747c478bd9Sstevel@tonic-gate for (i = 1; i < argc; i++) { 757c478bd9Sstevel@tonic-gate sigchk(); 767c478bd9Sstevel@tonic-gate 777c478bd9Sstevel@tonic-gate for (cp = argv[i]; *cp; cp++) { 787c478bd9Sstevel@tonic-gate prc_buff(*cp); 797c478bd9Sstevel@tonic-gate } 807c478bd9Sstevel@tonic-gate 817c478bd9Sstevel@tonic-gate if (i < argc-1) 827c478bd9Sstevel@tonic-gate prc_buff(' '); 837c478bd9Sstevel@tonic-gate } 847c478bd9Sstevel@tonic-gate 857c478bd9Sstevel@tonic-gate if (nflg == 0) 867c478bd9Sstevel@tonic-gate prc_buff('\n'); 877c478bd9Sstevel@tonic-gate exit(0); 887c478bd9Sstevel@tonic-gate } else { 897c478bd9Sstevel@tonic-gate if (--argc == 0) { 907c478bd9Sstevel@tonic-gate prc_buff('\n'); 917c478bd9Sstevel@tonic-gate exit(0); 927c478bd9Sstevel@tonic-gate } 937c478bd9Sstevel@tonic-gate #ifdef _iBCS2 947c478bd9Sstevel@tonic-gate if (do_sysv3) { 957c478bd9Sstevel@tonic-gate if (argc > 1 && argv[1][0] == '-' && 967c478bd9Sstevel@tonic-gate argv[1][1] == 'n') { 977c478bd9Sstevel@tonic-gate nflg++; 987c478bd9Sstevel@tonic-gate /* Step past the -n */ 997c478bd9Sstevel@tonic-gate argc--; 1007c478bd9Sstevel@tonic-gate argv++; 1017c478bd9Sstevel@tonic-gate } 1027c478bd9Sstevel@tonic-gate } 1037c478bd9Sstevel@tonic-gate #endif /* _iBCS2 */ 1047c478bd9Sstevel@tonic-gate 105*965005c8Schin for (i = 1; i <= argc; i++) { 1067c478bd9Sstevel@tonic-gate sigchk(); 1077c478bd9Sstevel@tonic-gate for (cp = argv[i]; *cp; cp++) { 1087c478bd9Sstevel@tonic-gate if ((len = mbtowc(&wc, (char *)cp, 1097c478bd9Sstevel@tonic-gate MB_LEN_MAX)) <= 0) { 1107c478bd9Sstevel@tonic-gate prc_buff(*cp); 1117c478bd9Sstevel@tonic-gate continue; 1127c478bd9Sstevel@tonic-gate } 1137c478bd9Sstevel@tonic-gate 1147c478bd9Sstevel@tonic-gate if (wc == '\\') { 1157c478bd9Sstevel@tonic-gate switch (*++cp) { 1167c478bd9Sstevel@tonic-gate case 'b': 1177c478bd9Sstevel@tonic-gate prc_buff('\b'); 1187c478bd9Sstevel@tonic-gate continue; 1197c478bd9Sstevel@tonic-gate case 'c': 1207c478bd9Sstevel@tonic-gate exit(0); 1217c478bd9Sstevel@tonic-gate 1227c478bd9Sstevel@tonic-gate case 'f': 1237c478bd9Sstevel@tonic-gate prc_buff('\f'); 1247c478bd9Sstevel@tonic-gate continue; 1257c478bd9Sstevel@tonic-gate 1267c478bd9Sstevel@tonic-gate case 'n': 1277c478bd9Sstevel@tonic-gate prc_buff('\n'); 1287c478bd9Sstevel@tonic-gate continue; 1297c478bd9Sstevel@tonic-gate 1307c478bd9Sstevel@tonic-gate case 'r': 1317c478bd9Sstevel@tonic-gate prc_buff('\r'); 1327c478bd9Sstevel@tonic-gate continue; 1337c478bd9Sstevel@tonic-gate 1347c478bd9Sstevel@tonic-gate case 't': 1357c478bd9Sstevel@tonic-gate prc_buff('\t'); 1367c478bd9Sstevel@tonic-gate continue; 1377c478bd9Sstevel@tonic-gate 1387c478bd9Sstevel@tonic-gate case 'v': 1397c478bd9Sstevel@tonic-gate prc_buff('\v'); 1407c478bd9Sstevel@tonic-gate continue; 1417c478bd9Sstevel@tonic-gate 1427c478bd9Sstevel@tonic-gate case '\\': 1437c478bd9Sstevel@tonic-gate prc_buff('\\'); 1447c478bd9Sstevel@tonic-gate continue; 1457c478bd9Sstevel@tonic-gate case '0': 1467c478bd9Sstevel@tonic-gate j = wd = 0; 1477c478bd9Sstevel@tonic-gate while ((*++cp >= '0' && 1487c478bd9Sstevel@tonic-gate *cp <= '7') && j++ < 3) { 1497c478bd9Sstevel@tonic-gate wd <<= 3; 1507c478bd9Sstevel@tonic-gate wd |= (*cp - '0'); 1517c478bd9Sstevel@tonic-gate } 1527c478bd9Sstevel@tonic-gate prc_buff(wd); 1537c478bd9Sstevel@tonic-gate --cp; 1547c478bd9Sstevel@tonic-gate continue; 1557c478bd9Sstevel@tonic-gate 1567c478bd9Sstevel@tonic-gate default: 1577c478bd9Sstevel@tonic-gate cp--; 1587c478bd9Sstevel@tonic-gate } 1597c478bd9Sstevel@tonic-gate prc_buff(*cp); 1607c478bd9Sstevel@tonic-gate continue; 1617c478bd9Sstevel@tonic-gate } else { 1627c478bd9Sstevel@tonic-gate for (; len > 0; len--) 1637c478bd9Sstevel@tonic-gate prc_buff(*cp++); 1647c478bd9Sstevel@tonic-gate cp--; 1657c478bd9Sstevel@tonic-gate continue; 1667c478bd9Sstevel@tonic-gate } 1677c478bd9Sstevel@tonic-gate } 1687c478bd9Sstevel@tonic-gate #ifdef _iBCS2 1697c478bd9Sstevel@tonic-gate /* Don't do if don't want newlines & out of args */ 1707c478bd9Sstevel@tonic-gate if (!(nflg && i == argc)) 1717c478bd9Sstevel@tonic-gate #endif /* _iBCS2 */ 1727c478bd9Sstevel@tonic-gate prc_buff(i == argc? '\n': ' '); 1737c478bd9Sstevel@tonic-gate } 1747c478bd9Sstevel@tonic-gate exit(0); 1757c478bd9Sstevel@tonic-gate } 1767c478bd9Sstevel@tonic-gate } 177