1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2001-2002 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate /* 30*0Sstevel@tonic-gate * Routines for memory management 31*0Sstevel@tonic-gate */ 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate #include <sys/types.h> 34*0Sstevel@tonic-gate #include <stdio.h> 35*0Sstevel@tonic-gate #include <stdlib.h> 36*0Sstevel@tonic-gate #include <string.h> 37*0Sstevel@tonic-gate #include <strings.h> 38*0Sstevel@tonic-gate 39*0Sstevel@tonic-gate static void 40*0Sstevel@tonic-gate memory_bailout(void) 41*0Sstevel@tonic-gate { 42*0Sstevel@tonic-gate (void) fprintf(stderr, "Out of memory\n"); 43*0Sstevel@tonic-gate exit(1); 44*0Sstevel@tonic-gate } 45*0Sstevel@tonic-gate 46*0Sstevel@tonic-gate void * 47*0Sstevel@tonic-gate xmalloc(size_t size) 48*0Sstevel@tonic-gate { 49*0Sstevel@tonic-gate void *mem; 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate if ((mem = malloc(size)) == NULL) 52*0Sstevel@tonic-gate memory_bailout(); 53*0Sstevel@tonic-gate 54*0Sstevel@tonic-gate return (mem); 55*0Sstevel@tonic-gate } 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate void * 58*0Sstevel@tonic-gate xcalloc(size_t size) 59*0Sstevel@tonic-gate { 60*0Sstevel@tonic-gate void *mem; 61*0Sstevel@tonic-gate 62*0Sstevel@tonic-gate mem = xmalloc(size); 63*0Sstevel@tonic-gate bzero(mem, size); 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate return (mem); 66*0Sstevel@tonic-gate } 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate char * 69*0Sstevel@tonic-gate xstrdup(const char *str) 70*0Sstevel@tonic-gate { 71*0Sstevel@tonic-gate char *newstr; 72*0Sstevel@tonic-gate 73*0Sstevel@tonic-gate if ((newstr = strdup(str)) == NULL) 74*0Sstevel@tonic-gate memory_bailout(); 75*0Sstevel@tonic-gate 76*0Sstevel@tonic-gate return (newstr); 77*0Sstevel@tonic-gate } 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate char * 80*0Sstevel@tonic-gate xstrndup(char *str, size_t len) 81*0Sstevel@tonic-gate { 82*0Sstevel@tonic-gate char *newstr; 83*0Sstevel@tonic-gate 84*0Sstevel@tonic-gate if ((newstr = malloc(len + 1)) == NULL) 85*0Sstevel@tonic-gate memory_bailout(); 86*0Sstevel@tonic-gate 87*0Sstevel@tonic-gate (void) strncpy(newstr, str, len); 88*0Sstevel@tonic-gate newstr[len] = '\0'; 89*0Sstevel@tonic-gate 90*0Sstevel@tonic-gate return (newstr); 91*0Sstevel@tonic-gate } 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate void * 94*0Sstevel@tonic-gate xrealloc(void *ptr, size_t size) 95*0Sstevel@tonic-gate { 96*0Sstevel@tonic-gate void *mem; 97*0Sstevel@tonic-gate 98*0Sstevel@tonic-gate if ((mem = realloc(ptr, size)) == NULL) 99*0Sstevel@tonic-gate memory_bailout(); 100*0Sstevel@tonic-gate 101*0Sstevel@tonic-gate return (mem); 102*0Sstevel@tonic-gate } 103