1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * split and splice name 31 */ 32 33 #include <meta.h> 34 35 int 36 splitname(char *name, md_splitname *spn) 37 { 38 size_t prefixlen; 39 size_t suffixlen; 40 char *lastslash; 41 int retval = METASPLIT_SUCCESS; 42 43 lastslash = strrchr(name, '/'); 44 if (lastslash != NULL) { 45 prefixlen = lastslash - name; 46 suffixlen = (strlen(name) - prefixlen) - 1; /* slash dropped */ 47 } else { 48 prefixlen = 0; 49 suffixlen = strlen(name); 50 } 51 if (prefixlen > MD_MAXPREFIX) 52 return (METASPLIT_LONGPREFIX); 53 54 if (suffixlen > MD_MAXSUFFIX) { 55 lastslash = META_LONGDISKNAME_STR; 56 prefixlen = 0; 57 suffixlen = strlen(lastslash); 58 (void) memcpy(SPN_SUFFIX(spn).suf_data, lastslash, suffixlen); 59 SPN_SUFFIX(spn).suf_len = suffixlen; 60 retval = METASPLIT_LONGDISKNAME; 61 } else { 62 (void) memcpy(SPN_SUFFIX(spn).suf_data, lastslash + 1, 63 suffixlen); 64 SPN_SUFFIX(spn).suf_len = suffixlen; 65 } 66 67 (void) memcpy(SPN_PREFIX(spn).pre_data, name, prefixlen); 68 SPN_PREFIX(spn).pre_len = prefixlen; 69 70 return (retval); 71 } 72 73 char * 74 splicename(md_splitname *spn) 75 { 76 char *name; 77 char *suffix; 78 size_t prefixlen; 79 size_t suffixlen; 80 81 prefixlen = SPN_PREFIX(spn).pre_len; 82 suffixlen = SPN_SUFFIX(spn).suf_len; 83 name = Malloc(prefixlen + suffixlen + 2); 84 (void) memcpy(name, SPN_PREFIX(spn).pre_data, prefixlen); 85 name[prefixlen] = '/'; 86 suffix = name + (prefixlen + 1); 87 (void) memcpy(suffix, SPN_SUFFIX(spn).suf_data, suffixlen); 88 name[prefixlen + suffixlen + 1] = 0; 89 return (name); 90 } 91