| 1 | /* |
| 2 | * ========== Copyright Header Begin ========================================== |
| 3 | * |
| 4 | * OpenSPARC T2 Processor File: allocate.c |
| 5 | * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. |
| 6 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. |
| 7 | * |
| 8 | * The above named program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public |
| 10 | * License version 2 as published by the Free Software Foundation. |
| 11 | * |
| 12 | * The above named program is distributed in the hope that it will be |
| 13 | * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public |
| 18 | * License along with this work; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. |
| 20 | * |
| 21 | * ========== Copyright Header End ============================================ |
| 22 | */ |
| 23 | /* |
| 24 | * Copyright 2006 Sun Microsystems, Inc. All rights reserved. |
| 25 | * Use is subject to license terms. |
| 26 | */ |
| 27 | |
| 28 | #pragma ident "@(#)allocate.c 1.6 06/08/15 SMI" |
| 29 | |
| 30 | #include <string.h> |
| 31 | #include <malloc.h> |
| 32 | #include <unistd.h> |
| 33 | #include <stdlib.h> |
| 34 | |
| 35 | #include "basics.h" |
| 36 | #include "fatal.h" |
| 37 | #include "allocate.h" |
| 38 | |
| 39 | |
| 40 | /* |
| 41 | * Simple allocation routines |
| 42 | */ |
| 43 | |
| 44 | |
| 45 | |
| 46 | void * xmalloc(size_t size, int linen, char * filen) |
| 47 | { |
| 48 | void *p; |
| 49 | |
| 50 | if (size<=0) { |
| 51 | if (size<0) fatal("xmalloc of negative size (%d) at %d in %s", |
| 52 | linen, filen); |
| 53 | warning("xmalloc of zero size at %d in %s", linen, filen); |
| 54 | return (void*)0; |
| 55 | } |
| 56 | |
| 57 | p = malloc(size); |
| 58 | if (p == (void*)0) fatal("malloc of %d at %d in %s", size, linen, filen); |
| 59 | |
| 60 | return p; |
| 61 | } |
| 62 | |
| 63 | |
| 64 | void * xcalloc(size_t num, size_t size, int linen, char * filen) |
| 65 | { |
| 66 | void *p; |
| 67 | |
| 68 | if (size<=0 || num<=0) |
| 69 | fatal("xcalloc(%d,%d) : one of number or size is <= 0 at line %d of %s", |
| 70 | num, size, linen, filen); |
| 71 | |
| 72 | p = calloc(num, size); |
| 73 | if (p == (void*)0) fatal("calloc of %d of size %d at %d in %s", num, size, linen, filen); |
| 74 | |
| 75 | return p; |
| 76 | } |
| 77 | |
| 78 | |
| 79 | |
| 80 | void xfree(void * p, int linen, char * filen) |
| 81 | { |
| 82 | if (p == (void*)0) { |
| 83 | warning("xfree of null pointer at %d in %s", linen, filen); |
| 84 | return; |
| 85 | } |
| 86 | |
| 87 | free(p); |
| 88 | } |
| 89 | |
| 90 | |
| 91 | void * xrealloc(void * oldp, size_t size, int linen, char * filen) |
| 92 | { |
| 93 | void *p; |
| 94 | |
| 95 | if (size <= 0) { |
| 96 | if (size == 0) { |
| 97 | xfree(oldp, linen, filen); |
| 98 | warning("xrealloc to zero size at %d in %s", linen, filen); |
| 99 | return (void*)0; |
| 100 | } |
| 101 | |
| 102 | fatal("xrealloc to negative size %d at %d in %s", size, linen, filen); |
| 103 | } |
| 104 | |
| 105 | if (oldp == (void*)0) { |
| 106 | p = malloc(size); |
| 107 | } else { |
| 108 | p = realloc(oldp, size); |
| 109 | } |
| 110 | |
| 111 | if (p == (void*)0) fatal("xrealloc failed @ %d in %s", linen, filen); |
| 112 | |
| 113 | return p; |
| 114 | } |
| 115 | |
| 116 | |
| 117 | |
| 118 | char * xstrdup(char * strp, int linen, char * filen) |
| 119 | { |
| 120 | char * p; |
| 121 | |
| 122 | p = strdup(strp); |
| 123 | if (p == (char*)0) fatal("xstrdup @ %d in %s failed", linen, filen); |
| 124 | |
| 125 | return p; |
| 126 | } |
| 127 | |