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
40void 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
51void 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
71void 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
89flag 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
114uint32 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
131void 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
153void 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
177uint32 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
186uint32 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
199uint32 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