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