1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef bbs_INT16ARR_EM_H 18 #define bbs_INT16ARR_EM_H 19 20 /* ---- includes ----------------------------------------------------------- */ 21 22 #include "b_BasicEm/Context.h" 23 #include "b_BasicEm/MemSeg.h" 24 25 /* ---- related objects --------------------------------------------------- */ 26 27 /* ---- typedefs ----------------------------------------------------------- */ 28 29 /* ---- constants ---------------------------------------------------------- */ 30 31 /* ---- object definition -------------------------------------------------- */ 32 33 /** short array */ 34 struct bbs_Int16Arr 35 { 36 37 /* ---- private data --------------------------------------------------- */ 38 39 /** pointer to exclusive memory segment used for allocation */ 40 struct bbs_MemSeg* mspE; 41 42 /* ---- public data ---------------------------------------------------- */ 43 44 /** pointer to array of int16 */ 45 int16* arrPtrE; 46 47 /** current size */ 48 uint32 sizeE; 49 50 /** allocated size */ 51 uint32 allocatedSizeE; 52 53 }; 54 55 /* ---- associated objects ------------------------------------------------- */ 56 57 /* ---- external functions ------------------------------------------------- */ 58 59 /* ---- \ghd{ constructor/destructor } ------------------------------------- */ 60 61 /** initializes bbs_Int16Arr */ 62 void bbs_Int16Arr_init( struct bbs_Context* cpA, 63 struct bbs_Int16Arr* ptrA ); 64 65 /** frees bbs_Int16Arr */ 66 void bbs_Int16Arr_exit( struct bbs_Context* cpA, 67 struct bbs_Int16Arr* ptrA ); 68 69 /* ---- \ghd{ operators } -------------------------------------------------- */ 70 71 /** copy operator */ 72 void bbs_Int16Arr_copy( struct bbs_Context* cpA, 73 struct bbs_Int16Arr* ptrA, 74 const struct bbs_Int16Arr* srcPtrA ); 75 76 /** equal operator */ 77 flag bbs_Int16Arr_equal( struct bbs_Context* cpA, 78 const struct bbs_Int16Arr* ptrA, 79 const struct bbs_Int16Arr* srcPtrA ); 80 81 /* ---- \ghd{ query functions } -------------------------------------------- */ 82 83 /** calculates the amount of heap memory needed (16bit words) if created with given parameters */ 84 uint32 bbs_Int16Arr_heapSize( struct bbs_Context* cpA, 85 const struct bbs_Int16Arr* ptrA, 86 uint32 sizeA ); 87 88 /* ---- \ghd{ modify functions } ------------------------------------------- */ 89 90 /** allocates memory for bbs_Int16Arr */ 91 void bbs_Int16Arr_create( struct bbs_Context* cpA, 92 struct bbs_Int16Arr* ptrA, 93 uint32 sizeA, 94 struct bbs_MemSeg* mspA ); 95 96 /** allocates memory for bbs_Int16Arr, 97 Allocation is done for allocPtrA with extra memory to allow for alignment, 98 aligned memory pointer is copied to ptrA. 99 alignBytes must be a power of 2. 100 bbs_Int16Arr_heapSize does not apply ! 101 */ 102 void bbs_Int16Arr_createAligned( struct bbs_Context* cpA, 103 struct bbs_Int16Arr* ptrA, 104 uint32 sizeA, 105 struct bbs_MemSeg* mspA, 106 struct bbs_Int16Arr* allocPtrA, 107 uint32 alignBytesA ); 108 109 /** sets array size */ 110 void bbs_Int16Arr_size( struct bbs_Context* cpA, 111 struct bbs_Int16Arr* ptrA, 112 uint32 sizeA ); 113 114 /* ---- \ghd{ memory I/O } ------------------------------------------------- */ 115 116 /** size object needs when written to memory */ 117 uint32 bbs_Int16Arr_memSize( struct bbs_Context* cpA, 118 const struct bbs_Int16Arr* ptrA ); 119 120 /** writes object to memory; returns number of 16-bit words written */ 121 uint32 bbs_Int16Arr_memWrite( struct bbs_Context* cpA, 122 const struct bbs_Int16Arr* ptrA, 123 uint16* memPtrA ); 124 125 /** reads object from memory; returns number of 16-bit words read */ 126 uint32 bbs_Int16Arr_memRead( struct bbs_Context* cpA, 127 struct bbs_Int16Arr* ptrA, 128 const uint16* memPtrA, 129 struct bbs_MemSeg* mspA ); 130 131 /* ---- \ghd{ exec functions } --------------------------------------------- */ 132 133 /** fills array with a value */ 134 void bbs_Int16Arr_fill( struct bbs_Context* cpA, 135 struct bbs_Int16Arr* ptrA, 136 int16 valA ); 137 138 #endif /* bbs_INT16ARR_EM_H */ 139 140