fuse/include/fuse.h

#ifndef FUSE_H
#define FUSE_H

#include <sys/types.h>

#define DEFAULTINODEMAX 128
#define DEFAULTBLOCKSIZE 512 // Size in bytes

typedef struct fuseArgStruct
{
    int create;
    int list;
    int add;
    int remove;
    int extract;
    char* toAdd;
    char* toRemove;
    char* toExtract;
    char* fsname;
    int fd;
    int newfs;
    int filefsname;
} fuseArgStruct;

typedef struct SuperBlockStruct
{
    blksize_t blockSize;
    blkcnt_t blockCount;
} SuperBlockStruct;

typedef struct FBLStruct
{
    int freeList[DEFAULTINODEMAX/32];
} FBLStruct;

typedef struct BlockStruct
{
    char byte[DEFAULTBLOCKSIZE];
} BlockStruct;

// TODO: Adjust Inodes to be 128 inodes with 128 direct block references *each*
//       Slides exist for inode structure
typedef struct InodeStruct
{
    char filePath[256];
    off_t fileSize;
    BlockStruct dataBlock;
} InodeStruct;

typedef struct FileSystemStruct
{
    SuperBlockStruct superBlock;
    FBLStruct fbl;
    InodeStruct inodes[DEFAULTINODEMAX];
} FileSystemStruct;

void Fuse(int argc, char* argv[]);
void GetArguments(int argc, char* argv[], fuseArgStruct* fuseArgs);
void OpenFS(fuseArgStruct* fuseArgs, char* programPath);
FileSystemStruct* SetupFS(fuseArgStruct* fuseArgs);
void RunFuse(FileSystemStruct* fs, fuseArgStruct* fuseArgs);
void TearDownFS(void);
void FuseGivenTest(fuseArgStruct* fuseArgs, char* programPath);
void FuseStructInit(fuseArgStruct* fuseStruct);
void FuseUsageError(char* programPath);
int zerosize(int fd);
int FindEmptyBitPosition(int number);
ino_t GetFreeInodeNumber(int fbl[]);
void SetFileSystemDefaults(FileSystemStruct* fs);

#endif