1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 55ad82045Snd150628 * Common Development and Distribution License (the "License"). 65ad82045Snd150628 * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 21fa9e4066Sahrens /* 22*26fd7700SKrishnendu Sadhukhan - Sun Microsystems * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23fa9e4066Sahrens * Use is subject to license terms. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 26fa9e4066Sahrens #include <errno.h> 27fa9e4066Sahrens #include <libgen.h> 28fa9e4066Sahrens #include <libintl.h> 29fa9e4066Sahrens #include <stdio.h> 30fa9e4066Sahrens #include <stdlib.h> 31fa9e4066Sahrens #include <strings.h> 32fa9e4066Sahrens 33fa9e4066Sahrens #include "zpool_util.h" 34fa9e4066Sahrens 35fa9e4066Sahrens /* 36fa9e4066Sahrens * Utility function to guarantee malloc() success. 37fa9e4066Sahrens */ 38fa9e4066Sahrens void * 39fa9e4066Sahrens safe_malloc(size_t size) 40fa9e4066Sahrens { 41fa9e4066Sahrens void *data; 42fa9e4066Sahrens 43fa9e4066Sahrens if ((data = calloc(1, size)) == NULL) { 44fa9e4066Sahrens (void) fprintf(stderr, "internal error: out of memory\n"); 45fa9e4066Sahrens exit(1); 46fa9e4066Sahrens } 47fa9e4066Sahrens 48fa9e4066Sahrens return (data); 49fa9e4066Sahrens } 50fa9e4066Sahrens 51fa9e4066Sahrens /* 52fa9e4066Sahrens * Same as above, but for strdup() 53fa9e4066Sahrens */ 54fa9e4066Sahrens char * 55*26fd7700SKrishnendu Sadhukhan - Sun Microsystems zpool_safe_strdup(const char *str) 56fa9e4066Sahrens { 57fa9e4066Sahrens char *ret; 58fa9e4066Sahrens 59fa9e4066Sahrens if ((ret = strdup(str)) == NULL) { 60fa9e4066Sahrens (void) fprintf(stderr, "internal error: out of memory\n"); 61fa9e4066Sahrens exit(1); 62fa9e4066Sahrens } 63fa9e4066Sahrens 64fa9e4066Sahrens return (ret); 65fa9e4066Sahrens } 66fa9e4066Sahrens 67fa9e4066Sahrens /* 68fa9e4066Sahrens * Display an out of memory error message and abort the current program. 69fa9e4066Sahrens */ 70fa9e4066Sahrens void 715ad82045Snd150628 zpool_no_memory(void) 72fa9e4066Sahrens { 73fa9e4066Sahrens assert(errno == ENOMEM); 74fa9e4066Sahrens (void) fprintf(stderr, 75fa9e4066Sahrens gettext("internal error: out of memory\n")); 76fa9e4066Sahrens exit(1); 77fa9e4066Sahrens } 788654d025Sperrin 798654d025Sperrin /* 808654d025Sperrin * Return the number of logs in supplied nvlist 818654d025Sperrin */ 828654d025Sperrin uint_t 838654d025Sperrin num_logs(nvlist_t *nv) 848654d025Sperrin { 858654d025Sperrin uint_t nlogs = 0; 868654d025Sperrin uint_t c, children; 878654d025Sperrin nvlist_t **child; 888654d025Sperrin 898654d025Sperrin if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 908654d025Sperrin &child, &children) != 0) 918654d025Sperrin return (0); 928654d025Sperrin 938654d025Sperrin for (c = 0; c < children; c++) { 948654d025Sperrin uint64_t is_log = B_FALSE; 958654d025Sperrin 968654d025Sperrin (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 978654d025Sperrin &is_log); 988654d025Sperrin if (is_log) 998654d025Sperrin nlogs++; 1008654d025Sperrin } 1018654d025Sperrin return (nlogs); 1028654d025Sperrin } 103