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