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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