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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/UInt16Arr.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_UInt16Arr_init( struct bbs_Context* cpA,
     41 						 struct bbs_UInt16Arr* 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_UInt16Arr_exit( struct bbs_Context* cpA,
     52 						 struct bbs_UInt16Arr* 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_UInt16Arr_copy( struct bbs_Context* cpA,
     72 						 struct bbs_UInt16Arr* ptrA,
     73 						 const struct bbs_UInt16Arr* srcPtrA )
     74 {
     75 #ifdef DEBUG1
     76 	if( ptrA->allocatedSizeE < srcPtrA->allocatedSizeE )
     77 	{
     78 		bbs_ERROR0( "void bbs_UInt16Arr_copy( ... ):\n"
     79 				   "Unsufficient allocated memory in destination array." );
     80 		return;
     81 	}
     82 #endif
     83 	bbs_UInt16Arr_size( cpA, ptrA, srcPtrA->sizeE );
     84 	bbs_memcpy16( ptrA->arrPtrE, srcPtrA->arrPtrE, srcPtrA->sizeE * bbs_SIZEOF16( uint16 ) );
     85 }
     86 
     87 /* ------------------------------------------------------------------------- */
     88 
     89 flag bbs_UInt16Arr_equal( struct bbs_Context* cpA,
     90 						  const struct bbs_UInt16Arr* ptrA,
     91 						  const struct bbs_UInt16Arr* srcPtrA )
     92 {
     93 	uint32 iL;
     94 	const uint16* ptr1L = ptrA->arrPtrE;
     95 	const uint16* 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_UInt16Arr_checkSum( struct bbs_Context* cpA,
    115 							   const struct bbs_UInt16Arr* ptrA,
    116 							   uint32 startIndexA, uint32 sizeA )
    117 {
    118 	uint32 iL;
    119 	uint32 sumL = 0;
    120 	const uint16* ptrL = ptrA->arrPtrE + startIndexA;
    121 	for( iL = sizeA; iL > 0; iL-- )
    122 	{
    123 		sumL += *ptrL++;
    124 	}
    125 	return sumL;
    126 }
    127 
    128 /* ------------------------------------------------------------------------- */
    129 
    130 uint32 bbs_UInt16Arr_heapSize( struct bbs_Context* cpA,
    131 							   const struct bbs_UInt16Arr* ptrA,
    132 							   uint32 sizeA )
    133 {
    134 	return sizeA * bbs_SIZEOF16( uint16 ) + bbs_MEM_BLOCK_OVERHD;
    135 }
    136 
    137 /* ------------------------------------------------------------------------- */
    138 
    139 /* ========================================================================= */
    140 /*                                                                           */
    141 /* ---- \ghd{ modify functions } ------------------------------------------- */
    142 /*                                                                           */
    143 /* ========================================================================= */
    144 
    145 /* ------------------------------------------------------------------------- */
    146 
    147 void bbs_UInt16Arr_size( struct bbs_Context* cpA,
    148 						 struct bbs_UInt16Arr* ptrA,
    149 						 uint32 sizeA )
    150 {
    151 	if( ptrA->allocatedSizeE < sizeA )
    152 	{
    153 		bbs_ERROR1( "void bbs_UInt16Arr_size( struct bbs_UInt16Arr*, uint32 sizeA ):\n"
    154 				   "Unsufficient allocated memory (allocatedSizeE = '%i')",
    155 				   ptrA->allocatedSizeE );
    156 		return;
    157 	}
    158 	ptrA->sizeE = sizeA;
    159 }
    160 
    161 /* ------------------------------------------------------------------------- */
    162 
    163 void bbs_UInt16Arr_create( struct bbs_Context* cpA,
    164 						   struct bbs_UInt16Arr* ptrA,
    165 						   uint32 sizeA,
    166 						   struct bbs_MemSeg* mspA )
    167 {
    168 	if( bbs_Context_error( cpA ) ) return;
    169 	if( ptrA->sizeE == sizeA ) return;
    170 	if( ptrA->arrPtrE != 0 )
    171 	{
    172 		bbs_UInt16Arr_size( cpA, ptrA, sizeA );
    173 	}
    174 	else
    175 	{
    176 		ptrA->arrPtrE = bbs_MemSeg_alloc( cpA, mspA, sizeA * bbs_SIZEOF16( uint16 ) );
    177 		if( bbs_Context_error( cpA ) ) return;
    178 		ptrA->allocatedSizeE = sizeA;
    179 		ptrA->sizeE = sizeA;
    180 		if( !mspA->sharedE ) ptrA->mspE = mspA;
    181 	}
    182 }
    183 
    184 /* ------------------------------------------------------------------------- */
    185 
    186 /* ========================================================================= */
    187 /*                                                                           */
    188 /* ---- \ghd{ I/O } -------------------------------------------------------- */
    189 /*                                                                           */
    190 /* ========================================================================= */
    191 
    192 /* ------------------------------------------------------------------------- */
    193 
    194 uint32 bbs_UInt16Arr_memSize( struct bbs_Context* cpA,
    195 							  const struct bbs_UInt16Arr* ptrA )
    196 {
    197 	return bbs_SIZEOF16( uint32 ) + bbs_SIZEOF16( ptrA->sizeE ) +
    198 										ptrA->sizeE * bbs_SIZEOF16( uint16 );
    199 }
    200 
    201 /* ------------------------------------------------------------------------- */
    202 
    203 uint32 bbs_UInt16Arr_memWrite( struct bbs_Context* cpA,
    204 							   const struct bbs_UInt16Arr* ptrA,
    205 							   uint16* memPtrA )
    206 {
    207 	uint32 memSizeL = bbs_UInt16Arr_memSize( cpA, ptrA );
    208 	memPtrA += bbs_memWrite32( &memSizeL, memPtrA );
    209 	memPtrA += bbs_memWrite32( &ptrA->sizeE, memPtrA );
    210 	memPtrA += bbs_memWrite16Arr( cpA, ptrA->arrPtrE, ptrA->sizeE, memPtrA );
    211 	return memSizeL;
    212 }
    213 
    214 /* ------------------------------------------------------------------------- */
    215 
    216 uint32 bbs_UInt16Arr_memRead( struct bbs_Context* cpA,
    217 							  struct bbs_UInt16Arr* ptrA,
    218 							  const uint16* memPtrA,
    219 						      struct bbs_MemSeg* mspA )
    220 {
    221 	uint32 memSizeL, sizeL;
    222 	if( bbs_Context_error( cpA ) ) return 0;
    223 	memPtrA += bbs_memRead32( &memSizeL, memPtrA );
    224 	memPtrA += bbs_memRead32( &sizeL, memPtrA );
    225 	bbs_UInt16Arr_create( cpA, ptrA, sizeL, mspA );
    226 	memPtrA += bbs_memRead16Arr( cpA, ptrA->arrPtrE, ptrA->sizeE, memPtrA );
    227 
    228 	if( memSizeL != bbs_UInt16Arr_memSize( cpA, ptrA ) )
    229 	{
    230 		bbs_ERR0( bbs_ERR_CORRUPT_DATA, "uint32 bbs_UInt16Arr_memRead( const struct bbs_UInt16Arr*, const uint16* ):\n"
    231                    "size mismatch" );
    232 		return 0;
    233 	}
    234 	return memSizeL;
    235 }
    236 
    237 /* ------------------------------------------------------------------------- */
    238 
    239 /* ========================================================================= */
    240 /*                                                                           */
    241 /* ---- \ghd{ exec functions } --------------------------------------------- */
    242 /*                                                                           */
    243 /* ========================================================================= */
    244 
    245 /* ------------------------------------------------------------------------- */
    246 
    247 void bbs_UInt16Arr_fill( struct bbs_Context* cpA,
    248 						 struct bbs_UInt16Arr* ptrA,
    249 						 uint16 valA )
    250 {
    251 	uint32 iL;
    252 	for( iL = 0; iL < ptrA->sizeE; iL++ )
    253 	{
    254 		ptrA->arrPtrE[ iL ] = valA;
    255 	}
    256 }
    257 
    258 /* ------------------------------------------------------------------------- */
    259 
    260 /* ========================================================================= */
    261 
    262 
    263