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/APhArr.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_APhArr_init(struct bbs_Context * cpA,struct bbs_APhArr * ptrA)40 void bbs_APhArr_init( struct bbs_Context* cpA,
41 					  struct bbs_APhArr* ptrA )
42 {
43 	ptrA->arrPtrE = NULL;
44 	ptrA->sizeE = 0;
45 	ptrA->allocatedSizeE = 0;
46 	ptrA->mspE = NULL;
47 }
48 
49 /* ------------------------------------------------------------------------- */
50 
bbs_APhArr_exit(struct bbs_Context * cpA,struct bbs_APhArr * ptrA)51 void bbs_APhArr_exit( struct bbs_Context* cpA,
52 					  struct bbs_APhArr* 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_APhArr_copy(struct bbs_Context * cpA,struct bbs_APhArr * ptrA,const struct bbs_APhArr * srcPtrA)71 void bbs_APhArr_copy( struct bbs_Context* cpA,
72 					  struct bbs_APhArr* ptrA,
73 					  const struct bbs_APhArr* srcPtrA )
74 {
75 #ifdef DEBUG1
76 	if( ptrA->allocatedSizeE < srcPtrA->allocatedSizeE )
77 	{
78 		bbs_ERROR0( "void bbs_APhArr_copy(...):\n"
79 				    "Insufficient allocated memory in destination array." );
80 		return;
81 	}
82 #endif
83 	bbs_APhArr_size( cpA, ptrA, srcPtrA->sizeE );
84 	bbs_memcpy32( ptrA->arrPtrE, srcPtrA->arrPtrE, srcPtrA->sizeE * bbs_SIZEOF32( struct bbs_APh ) );
85 }
86 
87 /* ------------------------------------------------------------------------- */
88 
bbs_APhArr_equal(struct bbs_Context * cpA,const struct bbs_APhArr * ptrA,const struct bbs_APhArr * srcPtrA)89 flag bbs_APhArr_equal( struct bbs_Context* cpA,
90 					   const struct bbs_APhArr* ptrA,
91 					   const struct bbs_APhArr* srcPtrA )
92 {
93 	uint32 iL;
94 	const struct bbs_APh* ptr1L = ptrA->arrPtrE;
95 	const struct bbs_APh* ptr2L = srcPtrA->arrPtrE;
96 	if( ptrA->sizeE != srcPtrA->sizeE ) return FALSE;
97 	for( iL = ptrA->sizeE; iL > 0; iL-- )
98 	{
99 		if( !bbs_APh_equal( *ptr1L, *ptr2L ) ) return FALSE;
100 	}
101 	return TRUE;
102 }
103 
104 /* ------------------------------------------------------------------------- */
105 
106 /* ========================================================================= */
107 /*                                                                           */
108 /* ---- \ghd{ query functions } -------------------------------------------- */
109 /*                                                                           */
110 /* ========================================================================= */
111 
112 /* ------------------------------------------------------------------------- */
113 
bbs_APhArr_heapSize(struct bbs_Context * cpA,const struct bbs_APhArr * ptrA,uint32 sizeA)114 uint32 bbs_APhArr_heapSize( struct bbs_Context* cpA,
115 						    const struct bbs_APhArr* ptrA,
116 							uint32 sizeA )
117 {
118 	return sizeA * bbs_SIZEOF16( struct bbs_APh ) + bbs_MEM_BLOCK_OVERHD;
119 }
120 
121 /* ------------------------------------------------------------------------- */
122 
123 /* ========================================================================= */
124 /*                                                                           */
125 /* ---- \ghd{ modify functions } ------------------------------------------- */
126 /*                                                                           */
127 /* ========================================================================= */
128 
129 /* ------------------------------------------------------------------------- */
130 
bbs_APhArr_create(struct bbs_Context * cpA,struct bbs_APhArr * ptrA,uint32 sizeA,struct bbs_MemSeg * mspA)131 void bbs_APhArr_create( struct bbs_Context* cpA,
132 					    struct bbs_APhArr* ptrA,
133 						uint32 sizeA,
134 						struct bbs_MemSeg* mspA )
135 {
136 	if( bbs_Context_error( cpA ) ) return;
137 	if( ptrA->arrPtrE != 0 )
138 	{
139 		bbs_APhArr_size( cpA, ptrA, sizeA );
140 	}
141 	else
142 	{
143 		ptrA->arrPtrE = bbs_MemSeg_alloc( cpA, mspA, sizeA * bbs_SIZEOF16( struct bbs_APh ) );
144 		if( bbs_Context_error( cpA ) ) return;
145 		ptrA->allocatedSizeE = sizeA;
146 		ptrA->sizeE = sizeA;
147 		if( !mspA->sharedE ) ptrA->mspE = mspA;
148 	}
149 }
150 
151 /* ------------------------------------------------------------------------- */
152 
bbs_APhArr_size(struct bbs_Context * cpA,struct bbs_APhArr * ptrA,uint32 sizeA)153 void bbs_APhArr_size( struct bbs_Context* cpA,
154 					  struct bbs_APhArr* ptrA,
155 					  uint32 sizeA )
156 {
157 	if( ptrA->allocatedSizeE < sizeA )
158 	{
159 		bbs_ERROR1( "void bbs_APhArr_size( struct bbs_APhArr*, uint32 ):\n"
160 				    "Insufficient allocated memory (allocatedSizeE = '%i')",
161 				    ptrA->allocatedSizeE );
162 		return;
163 	}
164 	ptrA->sizeE = sizeA;
165 }
166 
167 /* ------------------------------------------------------------------------- */
168 
169 /* ========================================================================= */
170 /*                                                                           */
171 /* ---- \ghd{ I/O } -------------------------------------------------------- */
172 /*                                                                           */
173 /* ========================================================================= */
174 
175 /* ------------------------------------------------------------------------- */
176 
bbs_APhArr_memSize(struct bbs_Context * cpA,const struct bbs_APhArr * ptrA)177 uint32 bbs_APhArr_memSize( struct bbs_Context* cpA,
178 						   const struct bbs_APhArr* ptrA )
179 {
180 	return bbs_SIZEOF16( uint32 ) + bbs_SIZEOF16( ptrA->sizeE ) +
181 								ptrA->sizeE * bbs_SIZEOF16( struct bbs_APh );
182 }
183 
184 /* ------------------------------------------------------------------------- */
185 
bbs_APhArr_memWrite(struct bbs_Context * cpA,const struct bbs_APhArr * ptrA,uint16 * memPtrA)186 uint32 bbs_APhArr_memWrite( struct bbs_Context* cpA,
187 						    const struct bbs_APhArr* ptrA,
188 							uint16* memPtrA )
189 {
190 	uint32 memSizeL = bbs_APhArr_memSize( cpA, ptrA );
191 	memPtrA += bbs_memWrite32( &memSizeL, memPtrA );
192 	memPtrA += bbs_memWrite32( &ptrA->sizeE, memPtrA );
193 	memPtrA += bbs_memWrite16Arr( cpA, ptrA->arrPtrE, ptrA->sizeE * 2, memPtrA );
194 	return memSizeL;
195 }
196 
197 /* ------------------------------------------------------------------------- */
198 
bbs_APhArr_memRead(struct bbs_Context * cpA,struct bbs_APhArr * ptrA,const uint16 * memPtrA,struct bbs_MemSeg * mspA)199 uint32 bbs_APhArr_memRead( struct bbs_Context* cpA,
200 						   struct bbs_APhArr* ptrA,
201 						   const uint16* memPtrA,
202 						   struct bbs_MemSeg* mspA )
203 {
204 	uint32 memSizeL, sizeL;
205 	if( bbs_Context_error( cpA ) ) return 0;
206 	memPtrA += bbs_memRead32( &memSizeL, memPtrA );
207 	memPtrA += bbs_memRead32( &sizeL, memPtrA );
208 	bbs_APhArr_create( cpA, ptrA, sizeL, mspA );
209 	memPtrA += bbs_memRead16Arr( cpA, ptrA->arrPtrE, ptrA->sizeE * 2, memPtrA );
210 
211 	if( memSizeL != bbs_APhArr_memSize( cpA, ptrA ) )
212 	{
213 		bbs_ERR0( bbs_ERR_CORRUPT_DATA, "uint32 bbs_APhArr_memRead( const struct bbs_APhArr*, const uint16* ):\n"
214                    "size mismatch" );
215 		return 0;
216 	}
217 	return memSizeL;
218 }
219 
220 /* ------------------------------------------------------------------------- */
221 
222 /* ========================================================================= */
223 /*                                                                           */
224 /* ---- \ghd{ exec functions } --------------------------------------------- */
225 /*                                                                           */
226 /* ========================================================================= */
227 
228 /* ------------------------------------------------------------------------- */
229 
230 /* ========================================================================= */
231 
232 
233