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      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 
     40 void 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 
     51 void 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 
     71 void 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 
     89 flag 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 
    114 uint32 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 
    131 void 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 
    154 void 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 
    194 void 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 
    218 uint32 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 
    227 uint32 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 
    240 uint32 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 
    272 void 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