/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* split and splice name
*/
#include <meta.h>
int
splitname(char *name, md_splitname *spn)
{
size_t prefixlen;
size_t suffixlen;
char *lastslash;
int retval = METASPLIT_SUCCESS;
lastslash = strrchr(name, '/');
if (lastslash != NULL) {
prefixlen = lastslash - name;
suffixlen = (strlen(name) - prefixlen) - 1; /* slash dropped */
} else {
prefixlen = 0;
suffixlen = strlen(name);
}
if (prefixlen > MD_MAXPREFIX)
return (METASPLIT_LONGPREFIX);
if (suffixlen > MD_MAXSUFFIX) {
lastslash = META_LONGDISKNAME_STR;
prefixlen = 0;
suffixlen = strlen(lastslash);
(void) memcpy(SPN_SUFFIX(spn).suf_data, lastslash, suffixlen);
SPN_SUFFIX(spn).suf_len = suffixlen;
retval = METASPLIT_LONGDISKNAME;
} else {
(void) memcpy(SPN_SUFFIX(spn).suf_data, lastslash + 1,
suffixlen);
SPN_SUFFIX(spn).suf_len = suffixlen;
}
(void) memcpy(SPN_PREFIX(spn).pre_data, name, prefixlen);
SPN_PREFIX(spn).pre_len = prefixlen;
return (retval);
}
char *
splicename(md_splitname *spn)
{
char *name;
char *suffix;
size_t prefixlen;
size_t suffixlen;
prefixlen = SPN_PREFIX(spn).pre_len;
suffixlen = SPN_SUFFIX(spn).suf_len;
name = Malloc(prefixlen + suffixlen + 2);
(void) memcpy(name, SPN_PREFIX(spn).pre_data, prefixlen);
name[prefixlen] = '/';
suffix = name + (prefixlen + 1);
(void) memcpy(suffix, SPN_SUFFIX(spn).suf_data, suffixlen);
name[prefixlen + suffixlen + 1] = 0;
return (name);
}