#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdint.h>

typedef struct fs_dirent_struct
{
    uint32_t	inode;
    uint32_t	offset;
    uint16_t	length;
    uint8_t	type;
    char	name[256];
}fs_dirent;

#define SYSCALL_EXIT         60
#define SYSCALL_WRITE        61
#define SYSCALL_READ         62
#define SYSCALL_READDIR      63 // fool-os-special
#define SYSCALL_EXECVE       64
#define SYSCALL_OPEN         65
#define SYSCALL_CLOSE        66
#define SYSCALL_FSTAT        67
#define SYSCALL_ISATTY       68
#define SYSCALL_LSEEK        69
#define SYSCALL_SBRK         70
#define SYSCALL_GETTIMEOFDAY 71
#define SYSCALL_FORK         72
#define SYSCALL_KILL         73
#define SYSCALL_STAT         74
#define SYSCALL_TIMES        75
#define SYSCALL_UNLINK       76
#define SYSCALL_WAIT         77
#define SYSCALL_GETPID       78
#define SYSCALL_LSTAT        79
#define SYSCALL_HAS_DATA     80 // fool-os-special
#define SYSCALL_TUNE         81 // fool-os-special
#define SYSCALL_LINK         82

extern char **environ;
//struct _reent *_impure_ptr;

// fool os custom
int readdir(const char *name,fs_dirent *dirs,int max)
{
    return syscall(SYSCALL_READDIR,name,dirs,max);
}

int has_data_waiting()
{
    return syscall(SYSCALL_HAS_DATA,0,0,0);
}

int fool_tune(int v1, int v2, int v3)
{
    return syscall(SYSCALL_TUNE,v1,v2,v3);
}
//

void _exit(int ret)
{
    _exit2(ret,environ);
}

void _exit2(int ret,char **environ)
{
    return syscall(SYSCALL_EXIT,ret,environ,0);
}

int _close(int file) 
{
    return syscall(SYSCALL_CLOSE,file,0,0);
}

int _isatty(int file) 
{
    return syscall(SYSCALL_ISATTY,file,0,0);
}

int _lseek(int file, int ptr, int dir) 
{
    return syscall(SYSCALL_LSEEK,file,ptr,dir);
}

int _read(int file, char *ptr, int len)
{
    return syscall(SYSCALL_READ,file,ptr,len);
}

int _open(const char *name, int flags, int mode)
{
    return syscall(SYSCALL_OPEN,name,flags,mode);
}

int _write(int file, char *ptr, int len) 
{
    return syscall(SYSCALL_WRITE,file,ptr,len);
}

int _execve(char *name, char **argv, char **env) 
{
    return syscall(SYSCALL_EXECVE,name,argv,env);
}

uint32_t _sbrk(int incr) 
{
    return syscall(SYSCALL_SBRK,incr,0,0);
}

int _gettimeofday(struct timeval *tv, void *tz)
{
    return syscall(SYSCALL_GETTIMEOFDAY,tv,tz,0);
}

int _fork(void)
{
    return syscall(SYSCALL_FORK,0,0,0);
}

int _getpid(void)
{
    return syscall(SYSCALL_GETPID,0,0,0);
}

int _kill(int pid, int sig)
{
    return syscall(SYSCALL_KILL,pid,sig,0);
}

int _link(char *old, char *ne)
{
    return syscall(SYSCALL_LINK,old,ne,0);
}

int _unlink(char *name)
{
    return syscall(SYSCALL_UNLINK,name,0,0);
}

int _times(struct tms *buf)
{
    return syscall(SYSCALL_TIMES,buf,0,0);
}

int _wait(int *status)
{
    return syscall(SYSCALL_WAIT,status,0,0);
}

int _stat(const char *file, struct stat *st)
{
    return syscall(SYSCALL_STAT,file,st,0);
}

int _lstat(const char *file, struct stat *st)
{
    return syscall(SYSCALL_LSTAT,file,st,0);
}

int _fstat(int file, struct stat *st)
{
    return syscall(SYSCALL_FSTAT,file,st,0);
}