WallyHackenslacker/Aerofoil
1
0
Fork 0
mirror of https://github.com/elasota/Aerofoil.git synced 2025-09-23 14:53:52 +00:00
Code Issues Projects Releases Wiki Activity

Add unpacktool

Browse Source
This commit is contained in:
elasota
2020-05-09 21:05:58 -04:00
parent b849d23f4e
commit ebb6d7608e
65 changed files with 6419 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

66
unpacktool/LZW.h Normal file
View File

@@ -0,0 +1,66 @@
#ifndef __LZW_H__
#define __LZW_H__
#include <stdint.h>
#include <stdbool.h>
#define LZWNoError 0
#define LZWInvalidCodeError 1
#define LZWTooManyCodesError 2
typedef struct LZWTreeNode
{
uint8_t chr;
int parent;
} LZWTreeNode;
typedef struct LZW
{
int numsymbols,maxsymbols,reservedsymbols;
int prevsymbol;
int symbolsize;
uint8_t *buffer;
int buffersize;
LZWTreeNode nodes[1];
} LZW;
LZW *AllocLZW(int maxsymbols,int reservedsymbols);
void FreeLZW(LZW *self);
void ClearLZWTable(LZW *self);
int NextLZWSymbol(LZW *self,int symbol);
int ReplaceLZWSymbol(LZW *self,int oldsymbol,int symbol);
int LZWOutputLength(LZW *self);
int LZWOutputToBuffer(LZW *self,uint8_t *buffer);
int LZWReverseOutputToBuffer(LZW *self,uint8_t *buffer);
int LZWOutputToInternalBuffer(LZW *self);
static inline int LZWSuggestedSymbolSize(LZW *self)
{
return self->symbolsize;
}
static inline uint8_t *LZWInternalBuffer(LZW *self)
{
return self->buffer;
}
static inline int LZWSymbolCount(LZW *self)
{
return self->numsymbols;
}
static inline bool LZWSymbolListFull(LZW *self)
{
return self->numsymbols==self->maxsymbols;
}
static inline LZWTreeNode *LZWSymbols(LZW *self)
{
return self->nodes;
}
#endif