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
40void 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
51void 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
71void 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
89flag 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
114uint32 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
131void 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
159void 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
183uint32 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
192uint32 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
205uint32 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
236void 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