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/Int16Arr.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_Int16Arr_init( struct bbs_Context* cpA,
41					    struct bbs_Int16Arr* ptrA )
42{
43	ptrA->arrPtrE = NULL;
44	ptrA->sizeE = 0;
45	ptrA->allocatedSizeE = 0;
46	ptrA->mspE = NULL;
47}
48
49/* ------------------------------------------------------------------------- */
50
51void bbs_Int16Arr_exit( struct bbs_Context* cpA,
52					    struct bbs_Int16Arr* 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_Int16Arr_copy( struct bbs_Context* cpA,
72					    struct bbs_Int16Arr* ptrA,
73						const struct bbs_Int16Arr* srcPtrA )
74{
75#ifdef DEBUG1
76	if( ptrA->allocatedSizeE < srcPtrA->sizeE )
77	{
78		bbs_ERROR0( "void bbs_Int16Arr_copy(...):\n"
79				   "Insufficient allocated memory in destination array." );
80		return;
81	}
82#endif
83	bbs_Int16Arr_size( cpA, ptrA, srcPtrA->sizeE );
84	bbs_memcpy16( ptrA->arrPtrE, srcPtrA->arrPtrE, srcPtrA->sizeE * bbs_SIZEOF16( int16 ) );
85}
86
87/* ------------------------------------------------------------------------- */
88
89flag bbs_Int16Arr_equal( struct bbs_Context* cpA,
90						 const struct bbs_Int16Arr* ptrA,
91						 const struct bbs_Int16Arr* srcPtrA )
92{
93	uint32 iL;
94	const int16* ptr1L = ptrA->arrPtrE;
95	const int16* 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_Int16Arr_heapSize( struct bbs_Context* cpA,
115							  const struct bbs_Int16Arr* ptrA,
116							  uint32 sizeA )
117{
118	return sizeA * bbs_SIZEOF16( int16 ) + bbs_MEM_BLOCK_OVERHD;
119}
120
121/* ------------------------------------------------------------------------- */
122
123/* ========================================================================= */
124/*                                                                           */
125/* ---- \ghd{ modify functions } ------------------------------------------- */
126/*                                                                           */
127/* ========================================================================= */
128
129/* ------------------------------------------------------------------------- */
130
131void bbs_Int16Arr_create( struct bbs_Context* cpA,
132						  struct bbs_Int16Arr* 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_Int16Arr_size( cpA, ptrA, sizeA );
141	}
142	else
143	{
144		ptrA->arrPtrE = bbs_MemSeg_alloc( cpA, mspA, sizeA * bbs_SIZEOF16( int16 ) );
145		if( bbs_Context_error( cpA ) ) return;
146		ptrA->allocatedSizeE = sizeA;
147		ptrA->sizeE = sizeA;
148		if( !mspA->sharedE ) ptrA->mspE = mspA;
149	}
150}
151
152/* ------------------------------------------------------------------------- */
153
154void bbs_Int16Arr_createAligned( struct bbs_Context* cpA,
155								 struct bbs_Int16Arr* ptrA,
156								 uint32 sizeA,
157								 struct bbs_MemSeg* mspA,
158								 struct bbs_Int16Arr* allocPtrA,
159								 uint32 alignBytesA )
160{
161	/* allocate extra memory for alignment */
162	bbs_Int16Arr_create( cpA, allocPtrA, sizeA + ( ( alignBytesA - 1 ) >> 1 ), mspA );
163
164	/* set members of ptrA */
165	ptrA->mspE = 0; /* no own allocated memory */
166	ptrA->sizeE = sizeA;
167	ptrA->allocatedSizeE = ptrA->sizeE;
168	ptrA->arrPtrE = allocPtrA->arrPtrE;
169
170#if defined( WIN32 ) || defined( _WIN32_WCE )
171	/* disable warning "pointer truncation...": */
172	#pragma warning( disable : 4311 )
173#endif
174
175
176	/* align memory */
177#ifdef bbs_TYPES_64_AVAILABLE
178
179	while( ( ( ( uint64 ) ptrA->arrPtrE ) & ( alignBytesA - 1 ) ) )
180	{
181		ptrA->arrPtrE++;
182	}
183#else
184	while( ( ( ( uint32 ) ptrA->arrPtrE ) & ( alignBytesA - 1 ) ) )
185	{
186		ptrA->arrPtrE++;
187	}
188#endif
189
190}
191
192/* ------------------------------------------------------------------------- */
193
194void bbs_Int16Arr_size( struct bbs_Context* cpA,
195					    struct bbs_Int16Arr* ptrA,
196						uint32 sizeA )
197{
198	if( ptrA->allocatedSizeE < sizeA )
199	{
200		bbs_ERROR1( "void bbs_Int16Arr_size( struct bbs_Int16Arr*, uint32 sizeA ):\n"
201				   "Unsufficient allocated memory (allocatedSizeE = '%i')",
202				   ptrA->allocatedSizeE );
203		return;
204	}
205	ptrA->sizeE = sizeA;
206}
207
208/* ------------------------------------------------------------------------- */
209
210/* ========================================================================= */
211/*                                                                           */
212/* ---- \ghd{ I/O } -------------------------------------------------------- */
213/*                                                                           */
214/* ========================================================================= */
215
216/* ------------------------------------------------------------------------- */
217
218uint32 bbs_Int16Arr_memSize( struct bbs_Context* cpA,
219							 const struct bbs_Int16Arr* ptrA )
220{
221	return bbs_SIZEOF16( uint32 ) + bbs_SIZEOF16( ptrA->sizeE ) +
222										ptrA->sizeE * bbs_SIZEOF16( int16 );
223}
224
225/* ------------------------------------------------------------------------- */
226
227uint32 bbs_Int16Arr_memWrite( struct bbs_Context* cpA,
228							  const struct bbs_Int16Arr* ptrA,
229							  uint16* memPtrA )
230{
231	uint32 memSizeL = bbs_Int16Arr_memSize( cpA, ptrA );
232	memPtrA += bbs_memWrite32( &memSizeL, memPtrA );
233	memPtrA += bbs_memWrite32( &ptrA->sizeE, memPtrA );
234	memPtrA += bbs_memWrite16Arr( cpA, ptrA->arrPtrE, ptrA->sizeE, memPtrA );
235	return memSizeL;
236}
237
238/* ------------------------------------------------------------------------- */
239
240uint32 bbs_Int16Arr_memRead( struct bbs_Context* cpA,
241							 struct bbs_Int16Arr* ptrA,
242							 const uint16* memPtrA,
243							 struct bbs_MemSeg* mspA )
244{
245	uint32 memSizeL, sizeL;
246	if( bbs_Context_error( cpA ) ) return 0;
247	memPtrA += bbs_memRead32( &memSizeL, memPtrA );
248	memPtrA += bbs_memRead32( &sizeL, memPtrA );
249	bbs_Int16Arr_create( cpA, ptrA, sizeL, mspA );
250	memPtrA += bbs_memRead16Arr( cpA, ptrA->arrPtrE, ptrA->sizeE, memPtrA );
251
252	if( memSizeL != bbs_Int16Arr_memSize( cpA, ptrA ) )
253	{
254		bbs_ERR0( bbs_ERR_CORRUPT_DATA,
255				  "uint32 bbs_Int16Arr_memRead( const struct bbs_Int16Arr*, const uint16* ):\n"
256                  "size mismatch" );
257		return 0;
258	}
259	return memSizeL;
260}
261
262/* ------------------------------------------------------------------------- */
263
264/* ========================================================================= */
265/*                                                                           */
266/* ---- \ghd{ exec functions } --------------------------------------------- */
267/*                                                                           */
268/* ========================================================================= */
269
270/* ------------------------------------------------------------------------- */
271
272void bbs_Int16Arr_fill( struct bbs_Context* cpA,
273					    struct bbs_Int16Arr* ptrA,
274						int16 valA )
275{
276	uint32 iL;
277	for( iL = 0; iL < ptrA->sizeE; iL++ )
278	{
279		ptrA->arrPtrE[ iL ] = valA;
280	}
281}
282
283/* ------------------------------------------------------------------------- */
284
285/* ========================================================================= */
286
287
288