1*fa9e4066Sahrens /* 2*fa9e4066Sahrens * CDDL HEADER START 3*fa9e4066Sahrens * 4*fa9e4066Sahrens * The contents of this file are subject to the terms of the 5*fa9e4066Sahrens * Common Development and Distribution License, Version 1.0 only 6*fa9e4066Sahrens * (the "License"). You may not use this file except in compliance 7*fa9e4066Sahrens * with the License. 8*fa9e4066Sahrens * 9*fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 11*fa9e4066Sahrens * See the License for the specific language governing permissions 12*fa9e4066Sahrens * and limitations under the License. 13*fa9e4066Sahrens * 14*fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 15*fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 17*fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 18*fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 19*fa9e4066Sahrens * 20*fa9e4066Sahrens * CDDL HEADER END 21*fa9e4066Sahrens */ 22*fa9e4066Sahrens /* 23*fa9e4066Sahrens * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24*fa9e4066Sahrens * Use is subject to license terms. 25*fa9e4066Sahrens */ 26*fa9e4066Sahrens 27*fa9e4066Sahrens #pragma ident "%Z%%M% %I% %E% SMI" 28*fa9e4066Sahrens 29*fa9e4066Sahrens #include <errno.h> 30*fa9e4066Sahrens #include <libgen.h> 31*fa9e4066Sahrens #include <libintl.h> 32*fa9e4066Sahrens #include <stdio.h> 33*fa9e4066Sahrens #include <stdlib.h> 34*fa9e4066Sahrens #include <strings.h> 35*fa9e4066Sahrens 36*fa9e4066Sahrens #include "zpool_util.h" 37*fa9e4066Sahrens 38*fa9e4066Sahrens /* 39*fa9e4066Sahrens * Utility function to guarantee malloc() success. 40*fa9e4066Sahrens */ 41*fa9e4066Sahrens void * 42*fa9e4066Sahrens safe_malloc(size_t size) 43*fa9e4066Sahrens { 44*fa9e4066Sahrens void *data; 45*fa9e4066Sahrens 46*fa9e4066Sahrens if ((data = calloc(1, size)) == NULL) { 47*fa9e4066Sahrens (void) fprintf(stderr, "internal error: out of memory\n"); 48*fa9e4066Sahrens exit(1); 49*fa9e4066Sahrens } 50*fa9e4066Sahrens 51*fa9e4066Sahrens return (data); 52*fa9e4066Sahrens } 53*fa9e4066Sahrens 54*fa9e4066Sahrens /* 55*fa9e4066Sahrens * Same as above, but for strdup() 56*fa9e4066Sahrens */ 57*fa9e4066Sahrens char * 58*fa9e4066Sahrens safe_strdup(const char *str) 59*fa9e4066Sahrens { 60*fa9e4066Sahrens char *ret; 61*fa9e4066Sahrens 62*fa9e4066Sahrens if ((ret = strdup(str)) == NULL) { 63*fa9e4066Sahrens (void) fprintf(stderr, "internal error: out of memory\n"); 64*fa9e4066Sahrens exit(1); 65*fa9e4066Sahrens } 66*fa9e4066Sahrens 67*fa9e4066Sahrens return (ret); 68*fa9e4066Sahrens } 69*fa9e4066Sahrens 70*fa9e4066Sahrens /* 71*fa9e4066Sahrens * Display an out of memory error message and abort the current program. 72*fa9e4066Sahrens */ 73*fa9e4066Sahrens void 74*fa9e4066Sahrens no_memory(void) 75*fa9e4066Sahrens { 76*fa9e4066Sahrens assert(errno == ENOMEM); 77*fa9e4066Sahrens (void) fprintf(stderr, 78*fa9e4066Sahrens gettext("internal error: out of memory\n")); 79*fa9e4066Sahrens exit(1); 80*fa9e4066Sahrens } 81*fa9e4066Sahrens 82*fa9e4066Sahrens /* 83*fa9e4066Sahrens * Given a vdev, return the name to display in iostat. If the vdev has a path, 84*fa9e4066Sahrens * we use that, stripping off any leading "/dev/dsk/"; if not, we use the type. 85*fa9e4066Sahrens */ 86*fa9e4066Sahrens const char * 87*fa9e4066Sahrens vdev_get_name(nvlist_t *nv) 88*fa9e4066Sahrens { 89*fa9e4066Sahrens char *path, *type; 90*fa9e4066Sahrens 91*fa9e4066Sahrens if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) { 92*fa9e4066Sahrens if (strncmp(path, "/dev/dsk/", 9) == 0) 93*fa9e4066Sahrens return (path + 9); 94*fa9e4066Sahrens return (path); 95*fa9e4066Sahrens } 96*fa9e4066Sahrens 97*fa9e4066Sahrens verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0); 98*fa9e4066Sahrens 99*fa9e4066Sahrens return (type); 100*fa9e4066Sahrens } 101