xref: /titanic_52/usr/src/lib/libnsl/dial/strecpy.c (revision 61961e0f20c7637a3846bb39786bb9dffa91dfb9)
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*61961e0fSrobinson 
23*61961e0fSrobinson /*
24*61961e0fSrobinson  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
25*61961e0fSrobinson  * Use is subject to license terms.
26*61961e0fSrobinson  */
27*61961e0fSrobinson 
287c478bd9Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
297c478bd9Sstevel@tonic-gate /*	  All Rights Reserved	*/
307c478bd9Sstevel@tonic-gate 
31*61961e0fSrobinson #pragma ident	"%Z%%M%	%I%	%E% SMI"
327c478bd9Sstevel@tonic-gate 
337c478bd9Sstevel@tonic-gate #include	"uucp.h"
347c478bd9Sstevel@tonic-gate 
35*61961e0fSrobinson #ifndef SMALL
367c478bd9Sstevel@tonic-gate /*
37*61961e0fSrobinson  *	strecpy(output, input, except)
38*61961e0fSrobinson  *	strccpy copys the input string to the output string expanding
39*61961e0fSrobinson  *	any non-graphic character with the C escape sequence.
40*61961e0fSrobinson  *	Escape sequences produced are those defined in "The C Programming
41*61961e0fSrobinson  *	Language" pages 180-181.
42*61961e0fSrobinson  *	Characters in the except string will not be expanded.
437c478bd9Sstevel@tonic-gate  */
447c478bd9Sstevel@tonic-gate 
45*61961e0fSrobinson static char *
46*61961e0fSrobinson strecpy(char *pout, char *pin, char *except)
477c478bd9Sstevel@tonic-gate {
48*61961e0fSrobinson 	unsigned	c;
49*61961e0fSrobinson 	char		*output;
507c478bd9Sstevel@tonic-gate 
517c478bd9Sstevel@tonic-gate 	output = pout;
527c478bd9Sstevel@tonic-gate 	while ((c = *pin++) != 0) {
537c478bd9Sstevel@tonic-gate 		if (!isprint(c) && (!except || !strchr(except, c))) {
547c478bd9Sstevel@tonic-gate 			*pout++ = '\\';
557c478bd9Sstevel@tonic-gate 			switch (c) {
567c478bd9Sstevel@tonic-gate 			case '\n':
577c478bd9Sstevel@tonic-gate 				*pout++ = 'n';
587c478bd9Sstevel@tonic-gate 				continue;
597c478bd9Sstevel@tonic-gate 			case '\t':
607c478bd9Sstevel@tonic-gate 				*pout++ = 't';
617c478bd9Sstevel@tonic-gate 				continue;
627c478bd9Sstevel@tonic-gate 			case '\b':
637c478bd9Sstevel@tonic-gate 				*pout++ = 'b';
647c478bd9Sstevel@tonic-gate 				continue;
657c478bd9Sstevel@tonic-gate 			case '\r':
667c478bd9Sstevel@tonic-gate 				*pout++ = 'r';
677c478bd9Sstevel@tonic-gate 				continue;
687c478bd9Sstevel@tonic-gate 			case '\f':
697c478bd9Sstevel@tonic-gate 				*pout++ = 'f';
707c478bd9Sstevel@tonic-gate 				continue;
717c478bd9Sstevel@tonic-gate 			case '\v':
727c478bd9Sstevel@tonic-gate 				*pout++ = 'v';
737c478bd9Sstevel@tonic-gate 				continue;
747c478bd9Sstevel@tonic-gate 			case '\\':
757c478bd9Sstevel@tonic-gate 				continue;
767c478bd9Sstevel@tonic-gate 			default:
777c478bd9Sstevel@tonic-gate 				sprintf(pout, "%.3o", c);
787c478bd9Sstevel@tonic-gate 				pout += 3;
797c478bd9Sstevel@tonic-gate 				continue;
807c478bd9Sstevel@tonic-gate 			}
817c478bd9Sstevel@tonic-gate 		}
827c478bd9Sstevel@tonic-gate 		if (c == '\\' && (!except || !strchr(except, c)))
837c478bd9Sstevel@tonic-gate 			*pout++ = '\\';
847c478bd9Sstevel@tonic-gate 		*pout++ = (char)c;
857c478bd9Sstevel@tonic-gate 	}
867c478bd9Sstevel@tonic-gate 	*pout = '\0';
877c478bd9Sstevel@tonic-gate 	return (output);
887c478bd9Sstevel@tonic-gate }
89*61961e0fSrobinson #endif
90