strecpy.c revision 24da5b34f49324ed742a340010ed5bd3d4e06625
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ident "%Z%%M% %I% %E% SMI" /* from SVR4 bnu:strecpy.c 1.3 */
#include "uucp.h"
/*
strecpy(output, input, except)
strccpy copys the input string to the output string expanding
any non-graphic character with the C escape sequence.
Esacpe sequences produced are those defined in "The C Programming
Language" pages 180-181.
Characters in the except string will not be expanded.
*/
GLOBAL char *
strecpy( pout, pin, except )
register char *pout;
register char *pin;
char *except;
{
register unsigned c;
register char *output;
output = pout;
while( (c = *pin++) != 0 ) {
if( !isprint( c ) && ( !except || !strchr( except, c ) ) ) {
*pout++ = '\\';
switch( c ) {
case '\n':
*pout++ = 'n';
continue;
case '\t':
*pout++ = 't';
continue;
case '\b':
*pout++ = 'b';
continue;
case '\r':
*pout++ = 'r';
continue;
case '\f':
*pout++ = 'f';
continue;
case '\v':
*pout++ = 'v';
continue;
case '\\':
continue;
default:
sprintf( pout, "%.3o", c );
pout += 3;
continue;
}
}
if( c == '\\' && ( !except || !strchr( except, c ) ) )
*pout++ = '\\';
*pout++ = (char) c;
}
*pout = '\0';
return output;
}