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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 #ifndef bbs_TYPES_64_AVAILABLE
     23 #include <stdint.h>
     24 #endif
     25 
     26 /* ------------------------------------------------------------------------- */
     27 
     28 /* ========================================================================= */
     29 /*                                                                           */
     30 /* ---- \ghd{ auxiliary functions } ---------------------------------------- */
     31 /*                                                                           */
     32 /* ========================================================================= */
     33 
     34 /* ------------------------------------------------------------------------- */
     35 
     36 /* ========================================================================= */
     37 /*                                                                           */
     38 /* ---- \ghd{ constructor / destructor } ----------------------------------- */
     39 /*                                                                           */
     40 /* ========================================================================= */
     41 
     42 /* ------------------------------------------------------------------------- */
     43 
     44 void bbs_Int16Arr_init( struct bbs_Context* cpA,
     45 					    struct bbs_Int16Arr* ptrA )
     46 {
     47 	ptrA->arrPtrE = NULL;
     48 	ptrA->sizeE = 0;
     49 	ptrA->allocatedSizeE = 0;
     50 	ptrA->mspE = NULL;
     51 }
     52 
     53 /* ------------------------------------------------------------------------- */
     54 
     55 void bbs_Int16Arr_exit( struct bbs_Context* cpA,
     56 					    struct bbs_Int16Arr* ptrA )
     57 {
     58 	bbs_MemSeg_free( cpA, ptrA->mspE, ptrA->arrPtrE );
     59 	ptrA->arrPtrE = NULL;
     60 	ptrA->mspE = NULL;
     61 	ptrA->sizeE = 0;
     62 	ptrA->allocatedSizeE = 0;
     63 }
     64 
     65 /* ------------------------------------------------------------------------- */
     66 
     67 /* ========================================================================= */
     68 /*                                                                           */
     69 /* ---- \ghd{ operators } -------------------------------------------------- */
     70 /*                                                                           */
     71 /* ========================================================================= */
     72 
     73 /* ------------------------------------------------------------------------- */
     74 
     75 void bbs_Int16Arr_copy( struct bbs_Context* cpA,
     76 					    struct bbs_Int16Arr* ptrA,
     77 						const struct bbs_Int16Arr* srcPtrA )
     78 {
     79 #ifdef DEBUG1
     80 	if( ptrA->allocatedSizeE < srcPtrA->sizeE )
     81 	{
     82 		bbs_ERROR0( "void bbs_Int16Arr_copy(...):\n"
     83 				   "Insufficient allocated memory in destination array." );
     84 		return;
     85 	}
     86 #endif
     87 	bbs_Int16Arr_size( cpA, ptrA, srcPtrA->sizeE );
     88 	bbs_memcpy16( ptrA->arrPtrE, srcPtrA->arrPtrE, srcPtrA->sizeE * bbs_SIZEOF16( int16 ) );
     89 }
     90 
     91 /* ------------------------------------------------------------------------- */
     92 
     93 flag bbs_Int16Arr_equal( struct bbs_Context* cpA,
     94 						 const struct bbs_Int16Arr* ptrA,
     95 						 const struct bbs_Int16Arr* srcPtrA )
     96 {
     97 	uint32 iL;
     98 	const int16* ptr1L = ptrA->arrPtrE;
     99 	const int16* ptr2L = srcPtrA->arrPtrE;
    100 	if( ptrA->sizeE != srcPtrA->sizeE ) return FALSE;
    101 	for( iL = ptrA->sizeE; iL > 0; iL-- )
    102 	{
    103 		if( *ptr1L++ != *ptr2L++ ) return FALSE;
    104 	}
    105 	return TRUE;
    106 }
    107 
    108 /* ------------------------------------------------------------------------- */
    109 
    110 /* ========================================================================= */
    111 /*                                                                           */
    112 /* ---- \ghd{ query functions } -------------------------------------------- */
    113 /*                                                                           */
    114 /* ========================================================================= */
    115 
    116 /* ------------------------------------------------------------------------- */
    117 
    118 uint32 bbs_Int16Arr_heapSize( struct bbs_Context* cpA,
    119 							  const struct bbs_Int16Arr* ptrA,
    120 							  uint32 sizeA )
    121 {
    122 	return sizeA * bbs_SIZEOF16( int16 ) + bbs_MEM_BLOCK_OVERHD;
    123 }
    124 
    125 /* ------------------------------------------------------------------------- */
    126 
    127 /* ========================================================================= */
    128 /*                                                                           */
    129 /* ---- \ghd{ modify functions } ------------------------------------------- */
    130 /*                                                                           */
    131 /* ========================================================================= */
    132 
    133 /* ------------------------------------------------------------------------- */
    134 
    135 void bbs_Int16Arr_create( struct bbs_Context* cpA,
    136 						  struct bbs_Int16Arr* ptrA,
    137 						  uint32 sizeA,
    138 						  struct bbs_MemSeg* mspA )
    139 {
    140 	if( bbs_Context_error( cpA ) ) return;
    141 	if( ptrA->sizeE == sizeA ) return;
    142 	if( ptrA->arrPtrE != 0 )
    143 	{
    144 		bbs_Int16Arr_size( cpA, ptrA, sizeA );
    145 	}
    146 	else
    147 	{
    148 		ptrA->arrPtrE = bbs_MemSeg_alloc( cpA, mspA, sizeA * bbs_SIZEOF16( int16 ) );
    149 		if( bbs_Context_error( cpA ) ) return;
    150 		ptrA->allocatedSizeE = sizeA;
    151 		ptrA->sizeE = sizeA;
    152 		if( !mspA->sharedE ) ptrA->mspE = mspA;
    153 	}
    154 }
    155 
    156 /* ------------------------------------------------------------------------- */
    157 
    158 void bbs_Int16Arr_createAligned( struct bbs_Context* cpA,
    159 								 struct bbs_Int16Arr* ptrA,
    160 								 uint32 sizeA,
    161 								 struct bbs_MemSeg* mspA,
    162 								 struct bbs_Int16Arr* allocPtrA,
    163 								 uint32 alignBytesA )
    164 {
    165 	/* allocate extra memory for alignment */
    166 	bbs_Int16Arr_create( cpA, allocPtrA, sizeA + ( ( alignBytesA - 1 ) >> 1 ), mspA );
    167 
    168 	/* set members of ptrA */
    169 	ptrA->mspE = 0; /* no own allocated memory */
    170 	ptrA->sizeE = sizeA;
    171 	ptrA->allocatedSizeE = ptrA->sizeE;
    172 	ptrA->arrPtrE = allocPtrA->arrPtrE;
    173 
    174 #if defined( WIN32 ) || defined( _WIN32_WCE )
    175 	/* disable warning "pointer truncation...": */
    176 	#pragma warning( disable : 4311 )
    177 #endif
    178 
    179 
    180 	/* align memory */
    181 #ifdef bbs_TYPES_64_AVAILABLE
    182 
    183 	while( ( ( ( uint64 ) ptrA->arrPtrE ) & ( alignBytesA - 1 ) ) )
    184 	{
    185 		ptrA->arrPtrE++;
    186 	}
    187 #else
    188 	while( ( ( ( uintptr_t ) ptrA->arrPtrE ) & ( alignBytesA - 1 ) ) )
    189 	{
    190 		ptrA->arrPtrE++;
    191 	}
    192 #endif
    193 
    194 }
    195 
    196 /* ------------------------------------------------------------------------- */
    197 
    198 void bbs_Int16Arr_size( struct bbs_Context* cpA,
    199 					    struct bbs_Int16Arr* ptrA,
    200 						uint32 sizeA )
    201 {
    202 	if( ptrA->allocatedSizeE < sizeA )
    203 	{
    204 		bbs_ERROR1( "void bbs_Int16Arr_size( struct bbs_Int16Arr*, uint32 sizeA ):\n"
    205 				   "Unsufficient allocated memory (allocatedSizeE = '%i')",
    206 				   ptrA->allocatedSizeE );
    207 		return;
    208 	}
    209 	ptrA->sizeE = sizeA;
    210 }
    211 
    212 /* ------------------------------------------------------------------------- */
    213 
    214 /* ========================================================================= */
    215 /*                                                                           */
    216 /* ---- \ghd{ I/O } -------------------------------------------------------- */
    217 /*                                                                           */
    218 /* ========================================================================= */
    219 
    220 /* ------------------------------------------------------------------------- */
    221 
    222 uint32 bbs_Int16Arr_memSize( struct bbs_Context* cpA,
    223 							 const struct bbs_Int16Arr* ptrA )
    224 {
    225 	return bbs_SIZEOF16( uint32 ) + bbs_SIZEOF16( ptrA->sizeE ) +
    226 										ptrA->sizeE * bbs_SIZEOF16( int16 );
    227 }
    228 
    229 /* ------------------------------------------------------------------------- */
    230 
    231 uint32 bbs_Int16Arr_memWrite( struct bbs_Context* cpA,
    232 							  const struct bbs_Int16Arr* ptrA,
    233 							  uint16* memPtrA )
    234 {
    235 	uint32 memSizeL = bbs_Int16Arr_memSize( cpA, ptrA );
    236 	memPtrA += bbs_memWrite32( &memSizeL, memPtrA );
    237 	memPtrA += bbs_memWrite32( &ptrA->sizeE, memPtrA );
    238 	memPtrA += bbs_memWrite16Arr( cpA, ptrA->arrPtrE, ptrA->sizeE, memPtrA );
    239 	return memSizeL;
    240 }
    241 
    242 /* ------------------------------------------------------------------------- */
    243 
    244 uint32 bbs_Int16Arr_memRead( struct bbs_Context* cpA,
    245 							 struct bbs_Int16Arr* ptrA,
    246 							 const uint16* memPtrA,
    247 							 struct bbs_MemSeg* mspA )
    248 {
    249 	uint32 memSizeL, sizeL;
    250 	if( bbs_Context_error( cpA ) ) return 0;
    251 	memPtrA += bbs_memRead32( &memSizeL, memPtrA );
    252 	memPtrA += bbs_memRead32( &sizeL, memPtrA );
    253 	bbs_Int16Arr_create( cpA, ptrA, sizeL, mspA );
    254 	memPtrA += bbs_memRead16Arr( cpA, ptrA->arrPtrE, ptrA->sizeE, memPtrA );
    255 
    256 	if( memSizeL != bbs_Int16Arr_memSize( cpA, ptrA ) )
    257 	{
    258 		bbs_ERR0( bbs_ERR_CORRUPT_DATA,
    259 				  "uint32 bbs_Int16Arr_memRead( const struct bbs_Int16Arr*, const uint16* ):\n"
    260                   "size mismatch" );
    261 		return 0;
    262 	}
    263 	return memSizeL;
    264 }
    265 
    266 /* ------------------------------------------------------------------------- */
    267 
    268 /* ========================================================================= */
    269 /*                                                                           */
    270 /* ---- \ghd{ exec functions } --------------------------------------------- */
    271 /*                                                                           */
    272 /* ========================================================================= */
    273 
    274 /* ------------------------------------------------------------------------- */
    275 
    276 void bbs_Int16Arr_fill( struct bbs_Context* cpA,
    277 					    struct bbs_Int16Arr* ptrA,
    278 						int16 valA )
    279 {
    280 	uint32 iL;
    281 	for( iL = 0; iL < ptrA->sizeE; iL++ )
    282 	{
    283 		ptrA->arrPtrE[ iL ] = valA;
    284 	}
    285 }
    286 
    287 /* ------------------------------------------------------------------------- */
    288 
    289 /* ========================================================================= */
    290 
    291 
    292