93 lines
2.1 KiB
C
93 lines
2.1 KiB
C
#ifndef UINT8VEC_H_
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#define UINT8VEC_H_
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#include <common/toolkit/list/UInt8List.h>
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struct UInt8Vec;
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typedef struct UInt8Vec UInt8Vec;
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static inline void UInt8Vec_init(UInt8Vec* this);
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static inline void UInt8Vec_uninit(UInt8Vec* this);
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static inline void UInt8Vec_append(UInt8Vec* this, uint8_t value);
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static inline size_t UInt8Vec_length(UInt8Vec* this);
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static inline void UInt8Vec_clear(UInt8Vec* this);
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// getters & setters
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static inline uint8_t UInt8Vec_at(UInt8Vec* this, size_t index);
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/**
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* Note: Derived from the corresponding list. Use the list iterator for read-only access
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*/
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struct UInt8Vec
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{
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UInt8List UInt8List;
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uint8_t* vecArray;
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size_t vecArrayLen;
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};
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void UInt8Vec_init(UInt8Vec* this)
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{
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UInt8List_init( (UInt8List*)this);
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this->vecArrayLen = 4;
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this->vecArray = (uint8_t*)os_kmalloc(this->vecArrayLen * sizeof(uint8_t) );
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}
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void UInt8Vec_uninit(UInt8Vec* this)
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{
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kfree(this->vecArray);
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UInt8List_uninit( (UInt8List*)this);
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}
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void UInt8Vec_append(UInt8Vec* this, uint8_t value)
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{
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size_t newListLen;
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UInt8List_append( (UInt8List*)this, value);
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newListLen = UInt8List_length( (UInt8List*)this);
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// check if we have enough buffer space for new elem
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if(newListLen > this->vecArrayLen)
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{ // double vector array size: alloc new, copy values, delete old, switch to new
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uint8_t* newVecArray = (uint8_t*)os_kmalloc(this->vecArrayLen * sizeof(uint8_t) * 2);
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memcpy(newVecArray, this->vecArray, this->vecArrayLen * sizeof(uint8_t) );
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kfree(this->vecArray);
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this->vecArrayLen = this->vecArrayLen * 2;
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this->vecArray = newVecArray;
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}
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// add value to last array elem (determine last used index based on list length)
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(this->vecArray)[newListLen-1] = value;
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}
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size_t UInt8Vec_length(UInt8Vec* this)
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{
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return UInt8List_length( (UInt8List*)this);
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}
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uint8_t UInt8Vec_at(UInt8Vec* this, size_t index)
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{
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BEEGFS_BUG_ON_DEBUG(index >= UInt8Vec_length(this), "Index out of bounds");
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return this->vecArray[index];
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}
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void UInt8Vec_clear(UInt8Vec* this)
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{
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UInt8List_clear( (UInt8List*)this);
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}
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#endif /* UINT8VEC_H_ */
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