[8] | 1 | /**CHeaderFile***************************************************************** |
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| 2 | |
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| 3 | FileName [calMem.h] |
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| 4 | |
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| 5 | PackageName [cal] |
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| 6 | |
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| 7 | Synopsis [Header file for memory management] |
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| 8 | |
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| 9 | Description [ ] |
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| 10 | |
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| 11 | SeeAlso [] |
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| 12 | |
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| 13 | Author [Rajeev K. Ranjan (rajeev@eecs.berkeley.edu). Originally written by David Long. ] |
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| 14 | |
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| 15 | Copyright [Copyright (c) 1994-1996 The Regents of the Univ. of California. |
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| 16 | All rights reserved. |
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| 17 | |
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| 18 | Permission is hereby granted, without written agreement and without license |
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| 19 | or royalty fees, to use, copy, modify, and distribute this software and its |
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| 20 | documentation for any purpose, provided that the above copyright notice and |
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| 21 | the following two paragraphs appear in all copies of this software. |
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| 22 | |
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| 23 | IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR |
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| 24 | DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT |
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| 25 | OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF |
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| 26 | CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | |
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| 28 | THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, |
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| 29 | INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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| 30 | FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN |
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| 31 | "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO PROVIDE |
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| 32 | MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.] |
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| 33 | |
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| 34 | Revision [$Id: calMem.h,v 1.3 2002/08/28 16:01:01 fabio Exp $] |
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| 35 | |
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| 36 | ******************************************************************************/ |
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| 37 | |
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| 38 | #ifndef _CAL_MEM |
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| 39 | #define _CAL_MEM |
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| 40 | |
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| 41 | #include <stdio.h> |
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| 42 | |
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| 43 | /*---------------------------------------------------------------------------*/ |
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| 44 | /* Constant declarations */ |
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| 45 | /*---------------------------------------------------------------------------*/ |
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| 46 | /* CAL_ALLOC_ALIGNMENT is the alignment for all storage returned by the */ |
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| 47 | /* storage allocation routines. */ |
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| 48 | /* was 16 for __osf__ systems, 8 otherwise */ |
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| 49 | |
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| 50 | #define CAL_ALLOC_ALIGNMENT sizeof(void *) |
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| 51 | |
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| 52 | |
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| 53 | |
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| 54 | /*---------------------------------------------------------------------------*/ |
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| 55 | /* Type declarations */ |
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| 56 | /*---------------------------------------------------------------------------*/ |
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| 57 | typedef struct Cal_RecMgrStruct * Cal_RecMgr; |
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| 58 | typedef void *Cal_Pointer_t; |
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| 59 | typedef size_t Cal_Address_t; |
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| 60 | /*---------------------------------------------------------------------------*/ |
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| 61 | /* Stucture declarations */ |
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| 62 | /*---------------------------------------------------------------------------*/ |
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| 63 | /*---------------------------------------------------------------------------*/ |
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| 64 | /* Variable declarations */ |
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| 65 | /*---------------------------------------------------------------------------*/ |
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| 66 | |
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| 67 | /*---------------------------------------------------------------------------*/ |
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| 68 | /* Macro declarations */ |
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| 69 | /*---------------------------------------------------------------------------*/ |
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| 70 | #ifndef EXTERN |
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| 71 | # ifdef __cplusplus |
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| 72 | # define EXTERN extern "C" |
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| 73 | # else |
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| 74 | # define EXTERN extern |
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| 75 | # endif |
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| 76 | #endif |
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| 77 | #define Cal_Nil(obj) ((obj *)0) |
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| 78 | #define USE_OS_MEMORY_MANAGEMENT |
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| 79 | #ifdef USE_OS_MEMORY_MANAGEMENT |
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| 80 | #define Cal_MemAlloc(type, num) ((type *) malloc(sizeof(type) * (num))) |
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| 81 | #define Cal_MemRealloc(type, obj, num) \ |
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| 82 | (obj) ? ((type *) realloc((char *) obj, sizeof(type) * (num))) : \ |
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| 83 | ((type *) malloc(sizeof(type) * (num))) |
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| 84 | #define Cal_MemFree(obj) ((obj) ? (free((char *) (obj)), (obj) = 0) : 0) |
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| 85 | #else |
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| 86 | #define Cal_MemAlloc(type, num) ((type *) Cal_MemGetBlock(sizeof(type) * (num))) |
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| 87 | #define Cal_MemRealloc(type, obj, num) \ |
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| 88 | (obj) ? ((type *) Cal_MemResizeBlock((Cal_Pointer_t) obj, sizeof(type) * (num))) : \ |
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| 89 | ((type *) Cal_MemGetBlock(sizeof(type) * (num))) |
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| 90 | #define Cal_MemFree(obj) ((obj) ? (Cal_MemFreeBlock((Cal_Pointer_t) (obj)), (obj) = 0) : 0) |
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| 91 | #endif |
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| 92 | #define Cal_MemCopy(dest, src, size) ((void *) memcpy((void *)dest, (const void *)src, (size_t)size)); |
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| 93 | #define Cal_MemZero(ptr, size) ((void)memset((void *)(ptr), 0, (Cal_Address_t)(size))) |
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| 94 | |
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| 95 | /* Round a size up for alignment */ |
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| 96 | |
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| 97 | #define CAL_ROUNDUP(size) ((((size)+CAL_ALLOC_ALIGNMENT-1)/CAL_ALLOC_ALIGNMENT)*CAL_ALLOC_ALIGNMENT) |
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| 98 | |
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| 99 | /**AutomaticStart*************************************************************/ |
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| 100 | |
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| 101 | /*---------------------------------------------------------------------------*/ |
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| 102 | /* Function prototypes */ |
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| 103 | /*---------------------------------------------------------------------------*/ |
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| 104 | EXTERN void Cal_MemFatal(char *message); |
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| 105 | EXTERN Cal_Address_t Cal_MemAllocation(void); |
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| 106 | EXTERN Cal_Pointer_t Cal_MemGetBlock(Cal_Address_t size); |
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| 107 | EXTERN void Cal_MemFreeBlock(Cal_Pointer_t p); |
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| 108 | EXTERN Cal_Pointer_t Cal_MemResizeBlock(Cal_Pointer_t p, Cal_Address_t newSize); |
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| 109 | EXTERN Cal_Pointer_t Cal_MemNewRec(Cal_RecMgr mgr); |
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| 110 | EXTERN void Cal_MemFreeRec(Cal_RecMgr mgr, Cal_Pointer_t rec); |
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| 111 | EXTERN Cal_RecMgr Cal_MemNewRecMgr(int size); |
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| 112 | EXTERN void Cal_MemFreeRecMgr(Cal_RecMgr mgr); |
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| 113 | |
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| 114 | /**AutomaticEnd***************************************************************/ |
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| 115 | |
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| 116 | #endif /* _CAL */ |
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