string.c revision 965005c81e0f731867d47892b9fb677030b102df
/*
* 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 1995 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* UNIX shell
*/
#include "defs.h"
/* ======== general purpose string handling ======== */
unsigned char *
movstr(unsigned char *a, unsigned char *b)
{
while (*b++ = *a++);
return(--b);
}
int
any(wchar_t c, unsigned char *s)
{
unsigned int d;
while (d = *s++)
{
if (d == c)
return(TRUE);
}
return(FALSE);
}
int anys(c, s)
unsigned char *c, *s;
{
wchar_t f, e;
wchar_t d;
int n;
if((n = mbtowc(&f, (char *)c, MULTI_BYTE_MAX)) <= 0)
return(FALSE);
d = f;
while(1) {
if((n = mbtowc(&e, (char *)s, MULTI_BYTE_MAX)) <= 0)
return(FALSE);
if(d == e)
return(TRUE);
s += n;
}
}
int
cf(unsigned char *s1, unsigned char *s2)
{
while (*s1++ == *s2)
if (*s2++ == 0)
return(0);
return(*--s1 - *s2);
}
int length(as)
unsigned char *as;
{
unsigned char *s;
if (s = as)
while (*s++);
return(s - as);
}
unsigned char *
movstrn(unsigned char *a, unsigned char *b, int n)
{
while ((n-- > 0) && *a)
*b++ = *a++;
return(b);
}