76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
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#ifndef ABSTRACTFILE_H
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#define ABSTRACTFILE_H
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#include "common.h"
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#include <stdint.h>
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typedef struct AbstractFile AbstractFile;
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typedef struct AbstractFile2 AbstractFile2;
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typedef size_t (*WriteFunc)(AbstractFile* file, const void* data, size_t len);
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typedef size_t (*ReadFunc)(AbstractFile* file, void* data, size_t len);
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typedef int (*SeekFunc)(AbstractFile* file, off_t offset);
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typedef off_t (*TellFunc)(AbstractFile* file);
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typedef void (*CloseFunc)(AbstractFile* file);
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typedef off_t (*GetLengthFunc)(AbstractFile* file);
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typedef void (*SetKeyFunc)(AbstractFile2* file, const unsigned int* key, const unsigned int* iv);
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typedef enum AbstractFileType {
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AbstractFileTypeFile,
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AbstractFileType8900,
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AbstractFileTypeImg2,
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AbstractFileTypeImg3,
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AbstractFileTypeLZSS,
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AbstractFileTypeIBootIM,
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AbstractFileTypeMem,
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AbstractFileTypeMemFile,
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AbstractFileTypeDummy
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} AbstractFileType;
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struct AbstractFile {
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void* data;
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WriteFunc write;
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ReadFunc read;
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SeekFunc seek;
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TellFunc tell;
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GetLengthFunc getLength;
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CloseFunc close;
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AbstractFileType type;
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};
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struct AbstractFile2 {
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AbstractFile super;
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SetKeyFunc setKey;
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};
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typedef struct {
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size_t offset;
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void** buffer;
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size_t bufferSize;
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} MemWrapperInfo;
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typedef struct {
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size_t offset;
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void** buffer;
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size_t* bufferSize;
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size_t actualBufferSize;
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} MemFileWrapperInfo;
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#ifdef __cplusplus
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extern "C" {
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#endif
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AbstractFile* createAbstractFileFromFile(FILE* file);
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AbstractFile* createAbstractFileFromDummy();
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AbstractFile* createAbstractFileFromMemory(void** buffer, size_t size);
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AbstractFile* createAbstractFileFromMemoryFile(void** buffer, size_t* size);
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AbstractFile* createAbstractFileFromMemoryFileBuffer(void** buffer, size_t* size, size_t actualBufferSize);
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void abstractFilePrint(AbstractFile* file, const char* format, ...);
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io_func* IOFuncFromAbstractFile(AbstractFile* file);
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#ifdef __cplusplus
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}
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#endif
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#endif
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