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 /* ---- includes ----------------------------------------------------------- */
18
19 #include "b_BasicEm/Functions.h"
20 #include "b_BasicEm/UInt8Arr.h"
21
22 /* ------------------------------------------------------------------------- */
23
24 /* ========================================================================= */
25 /* */
26 /* ---- \ghd{ auxiliary functions } ---------------------------------------- */
27 /* */
28 /* ========================================================================= */
29
30 /* ------------------------------------------------------------------------- */
31
32 /* ========================================================================= */
33 /* */
34 /* ---- \ghd{ constructor / destructor } ----------------------------------- */
35 /* */
36 /* ========================================================================= */
37
38 /* ------------------------------------------------------------------------- */
39
bbs_UInt8Arr_init(struct bbs_Context * cpA,struct bbs_UInt8Arr * ptrA)40 void bbs_UInt8Arr_init( struct bbs_Context* cpA,
41 struct bbs_UInt8Arr* ptrA )
42 {
43 ptrA->arrPtrE = NULL;
44 ptrA->sizeE = 0;
45 ptrA->allocatedSizeE = 0;
46 ptrA->mspE = NULL;
47 }
48
49 /* ------------------------------------------------------------------------- */
50
bbs_UInt8Arr_exit(struct bbs_Context * cpA,struct bbs_UInt8Arr * ptrA)51 void bbs_UInt8Arr_exit( struct bbs_Context* cpA,
52 struct bbs_UInt8Arr* ptrA )
53 {
54 bbs_MemSeg_free( cpA, ptrA->mspE, ptrA->arrPtrE );
55 ptrA->arrPtrE = NULL;
56 ptrA->mspE = NULL;
57 ptrA->sizeE = 0;
58 ptrA->allocatedSizeE = 0;
59 }
60
61 /* ------------------------------------------------------------------------- */
62
63 /* ========================================================================= */
64 /* */
65 /* ---- \ghd{ operators } -------------------------------------------------- */
66 /* */
67 /* ========================================================================= */
68
69 /* ------------------------------------------------------------------------- */
70
bbs_UInt8Arr_copy(struct bbs_Context * cpA,struct bbs_UInt8Arr * ptrA,const struct bbs_UInt8Arr * srcPtrA)71 void bbs_UInt8Arr_copy( struct bbs_Context* cpA,
72 struct bbs_UInt8Arr* ptrA,
73 const struct bbs_UInt8Arr* srcPtrA )
74 {
75 #ifdef DEBUG1
76 if( ptrA->allocatedSizeE < srcPtrA->allocatedSizeE )
77 {
78 bbs_ERROR0( "void bbs_UInt8Arr_copy(...):\n"
79 "Unsufficient allocated memory in destination array." );
80 return;
81 }
82 #endif
83 bbs_UInt8Arr_size( cpA, ptrA, srcPtrA->sizeE );
84 bbs_memcpy16( ptrA->arrPtrE, srcPtrA->arrPtrE, srcPtrA->sizeE >> 1 );
85 }
86
87 /* ------------------------------------------------------------------------- */
88
bbs_UInt8Arr_equal(struct bbs_Context * cpA,const struct bbs_UInt8Arr * ptrA,const struct bbs_UInt8Arr * srcPtrA)89 flag bbs_UInt8Arr_equal( struct bbs_Context* cpA,
90 const struct bbs_UInt8Arr* ptrA,
91 const struct bbs_UInt8Arr* srcPtrA )
92 {
93 long iL;
94 const uint8* ptr1L = ptrA->arrPtrE;
95 const uint8* ptr2L = srcPtrA->arrPtrE;
96 if( ptrA->sizeE != srcPtrA->sizeE ) return FALSE;
97 for( iL = ptrA->sizeE; iL > 0; iL-- )
98 {
99 if( *ptr1L++ != *ptr2L++ ) return FALSE;
100 }
101 return TRUE;
102 }
103
104 /* ------------------------------------------------------------------------- */
105
106 /* ========================================================================= */
107 /* */
108 /* ---- \ghd{ query functions } -------------------------------------------- */
109 /* */
110 /* ========================================================================= */
111
112 /* ------------------------------------------------------------------------- */
113
bbs_UInt8Arr_heapSize(struct bbs_Context * cpA,const struct bbs_UInt8Arr * ptrA,uint32 sizeA)114 uint32 bbs_UInt8Arr_heapSize( struct bbs_Context* cpA,
115 const struct bbs_UInt8Arr* ptrA,
116 uint32 sizeA )
117 {
118 return ( sizeA >> 1 ) + bbs_MEM_BLOCK_OVERHD;
119 }
120
121 /* ------------------------------------------------------------------------- */
122
123 /* ========================================================================= */
124 /* */
125 /* ---- \ghd{ modify functions } ------------------------------------------- */
126 /* */
127 /* ========================================================================= */
128
129 /* ------------------------------------------------------------------------- */
130
bbs_UInt8Arr_create(struct bbs_Context * cpA,struct bbs_UInt8Arr * ptrA,uint32 sizeA,struct bbs_MemSeg * mspA)131 void bbs_UInt8Arr_create( struct bbs_Context* cpA,
132 struct bbs_UInt8Arr* ptrA,
133 uint32 sizeA,
134 struct bbs_MemSeg* mspA )
135 {
136 if( bbs_Context_error( cpA ) ) return;
137 if( ptrA->sizeE == sizeA ) return;
138 if( ptrA->arrPtrE != 0 )
139 {
140 bbs_UInt8Arr_size( cpA, ptrA, sizeA );
141 }
142 else
143 {
144 /* if size is odd increase by 1 byte */
145 uint32 sizeL = sizeA;
146 if( ( sizeL & 1 ) != 0 ) sizeL++;
147
148 ptrA->arrPtrE = bbs_MemSeg_alloc( cpA, mspA, sizeL >> 1 );
149 if( bbs_Context_error( cpA ) ) return;
150 ptrA->allocatedSizeE = sizeL;
151
152 ptrA->sizeE = sizeA;
153 if( !mspA->sharedE ) ptrA->mspE = mspA;
154 }
155 }
156
157 /* ------------------------------------------------------------------------- */
158
bbs_UInt8Arr_size(struct bbs_Context * cpA,struct bbs_UInt8Arr * ptrA,uint32 sizeA)159 void bbs_UInt8Arr_size( struct bbs_Context* cpA,
160 struct bbs_UInt8Arr* ptrA,
161 uint32 sizeA )
162 {
163 if( ptrA->allocatedSizeE < sizeA )
164 {
165 bbs_ERROR1( "void bbs_UInt8Arr_size( struct bbs_UInt8Arr*, uint32 ):\n"
166 "Unsufficient allocated memory (allocatedSizeE = '%i')",
167 ptrA->allocatedSizeE );
168 return;
169 }
170 ptrA->sizeE = sizeA;
171 }
172
173 /* ------------------------------------------------------------------------- */
174
175 /* ========================================================================= */
176 /* */
177 /* ---- \ghd{ I/O } -------------------------------------------------------- */
178 /* */
179 /* ========================================================================= */
180
181 /* ------------------------------------------------------------------------- */
182
bbs_UInt8Arr_memSize(struct bbs_Context * cpA,const struct bbs_UInt8Arr * ptrA)183 uint32 bbs_UInt8Arr_memSize( struct bbs_Context* cpA,
184 const struct bbs_UInt8Arr* ptrA )
185 {
186 return bbs_SIZEOF16( uint32 ) + bbs_SIZEOF16( ptrA->sizeE ) +
187 ptrA->sizeE / 2; /* int8 = 0.5 word size*/
188 }
189
190 /* ------------------------------------------------------------------------- */
191
bbs_UInt8Arr_memWrite(struct bbs_Context * cpA,const struct bbs_UInt8Arr * ptrA,uint16 * memPtrA)192 uint32 bbs_UInt8Arr_memWrite( struct bbs_Context* cpA,
193 const struct bbs_UInt8Arr* ptrA,
194 uint16* memPtrA )
195 {
196 uint32 memSizeL = bbs_UInt8Arr_memSize( cpA, ptrA );
197 memPtrA += bbs_memWrite32( &memSizeL, memPtrA );
198 memPtrA += bbs_memWrite32( &ptrA->sizeE, memPtrA );
199 memPtrA += bbs_memWrite16Arr( cpA, ptrA->arrPtrE, ptrA->sizeE / 2, memPtrA );
200 return memSizeL;
201 }
202
203 /* ------------------------------------------------------------------------- */
204
bbs_UInt8Arr_memRead(struct bbs_Context * cpA,struct bbs_UInt8Arr * ptrA,const uint16 * memPtrA,struct bbs_MemSeg * mspA)205 uint32 bbs_UInt8Arr_memRead( struct bbs_Context* cpA,
206 struct bbs_UInt8Arr* ptrA,
207 const uint16* memPtrA,
208 struct bbs_MemSeg* mspA )
209 {
210 uint32 memSizeL, sizeL;
211 if( bbs_Context_error( cpA ) ) return 0;
212 memPtrA += bbs_memRead32( &memSizeL, memPtrA );
213 memPtrA += bbs_memRead32( &sizeL, memPtrA );
214 bbs_UInt8Arr_create( cpA, ptrA, sizeL, mspA );
215 memPtrA += bbs_memRead16Arr( cpA, ptrA->arrPtrE, ptrA->sizeE / 2, memPtrA );
216
217 if( memSizeL != bbs_UInt8Arr_memSize( cpA, ptrA ) )
218 {
219 bbs_ERR0( bbs_ERR_CORRUPT_DATA, "uint32 bbs_UInt8Arr_memRead( const struct bbs_UInt8Arr*, const uint16* ):\n"
220 "size mismatch" );
221 return 0;
222 }
223 return memSizeL;
224 }
225
226 /* ------------------------------------------------------------------------- */
227
228 /* ========================================================================= */
229 /* */
230 /* ---- \ghd{ exec functions } --------------------------------------------- */
231 /* */
232 /* ========================================================================= */
233
234 /* ------------------------------------------------------------------------- */
235
bbs_UInt8Arr_fill(struct bbs_Context * cpA,struct bbs_UInt8Arr * ptrA,uint8 valA)236 void bbs_UInt8Arr_fill( struct bbs_Context* cpA,
237 struct bbs_UInt8Arr* ptrA,
238 uint8 valA )
239 {
240 uint32 iL;
241 for( iL = 0; iL < ptrA->sizeE; iL++ )
242 {
243 ptrA->arrPtrE[ iL ] = valA;
244 }
245 }
246
247 /* ------------------------------------------------------------------------- */
248
249 /* ========================================================================= */
250
251
252