#ifndef _LINUX_ERRNO_H
#define _LINUX_ERRNO_H
#include <linux/types.h>

#ifndef MAX_ERRNO
#define MAX_ERRNO   4095
#endif

#ifndef EPERM
#define EPERM        1  /* Operation not permitted */
#endif
#ifndef ENOENT
#define ENOENT       2  /* No such file or directory */
#endif
#ifndef ESRCH
#define ESRCH        3  /* No such process */
#endif
#ifndef EINTR
#define EINTR        4  /* Interrupted system call */
#endif
#ifndef EIO
#define EIO      5  /* I/O error */
#endif
#ifndef ENXIO
#define ENXIO        6  /* No such device or address */
#endif
#ifndef E2BIG
#define E2BIG        7  /* Argument list too long */
#endif
#ifndef ENOEXEC
#define ENOEXEC      8  /* Exec format error */
#endif
#ifndef EBADF
#define EBADF        9  /* Bad file number */
#endif
#ifndef ECHILD
#define ECHILD      10  /* No child processes */
#endif
#ifndef EAGAIN
#define EAGAIN      11  /* Try again */
#endif
#ifndef ENOMEM
#define ENOMEM      12  /* Out of memory */
#endif
#ifndef EACCES
#define EACCES      13  /* Permission denied */
#endif
#ifndef EFAULT
#define EFAULT      14  /* Bad address */
#endif
#ifndef ENOTBLK
#define ENOTBLK     15  /* Block device required */
#endif
#ifndef EBUSY
#define EBUSY       16  /* Device or resource busy */
#endif
#ifndef EEXIST
#define EEXIST      17  /* File exists */
#endif
#ifndef EXDEV
#define EXDEV       18  /* Cross-device link */
#endif
#ifndef ENODEV
#define ENODEV      19  /* No such device */
#endif
#ifndef ENOTDIR
#define ENOTDIR     20  /* Not a directory */
#endif
#ifndef EISDIR
#define EISDIR      21  /* Is a directory */
#endif
#ifndef EINVAL
#define EINVAL      22  /* Invalid argument */
#endif
#ifndef ENFILE
#define ENFILE      23  /* File table overflow */
#endif
#ifndef EMFILE
#define EMFILE      24  /* Too many open files */
#endif
#ifndef ENOTTY
#define ENOTTY      25  /* Not a typewriter */
#endif
#ifndef ETXTBSY
#define ETXTBSY     26  /* Text file busy */
#endif
#ifndef EFBIG
#define EFBIG       27  /* File too large */
#endif
#ifndef ENOSPC
#define ENOSPC      28  /* No space left on device */
#endif
#ifndef ESPIPE
#define ESPIPE      29  /* Illegal seek */
#endif
#ifndef EROFS
#define EROFS       30  /* Read-only file system */
#endif
#ifndef EMLINK
#define EMLINK      31  /* Too many links */
#endif
#ifndef EPIPE
#define EPIPE       32  /* Broken pipe */
#endif
#ifndef EDOM
#define EDOM        33  /* Math argument out of domain of func */
#endif
#ifndef ERANGE
#define ERANGE      34  /* Math result not representable */
#endif

#ifndef EDEADLK
#define EDEADLK     35  /* Resource deadlock would occur */
#endif
#ifndef ENAMETOOLONG
#define ENAMETOOLONG    36  /* File name too long */
#endif
#ifndef ENOLCK
#define ENOLCK      37  /* No record locks available */
#endif
#ifndef ENOSYS
#define ENOSYS      38  /* Function not implemented */
#endif
#ifndef ENOTEMPTY
#define ENOTEMPTY   39  /* Directory not empty */
#endif
#ifndef ELOOP
#define ELOOP       40  /* Too many symbolic links encountered */
#endif
#ifndef EWOULDBLOCK
#define EWOULDBLOCK EAGAIN  /* Operation would block */
#endif
#ifndef ENOMSG
#define ENOMSG      42  /* No message of desired type */
#endif
#ifndef EIDRM
#define EIDRM       43  /* Identifier removed */
#endif
#ifndef ECHRNG
#define ECHRNG      44  /* Channel number out of range */
#endif
#ifndef EL2NSYNC
#define EL2NSYNC    45  /* Level 2 not synchronized */
#endif
#ifndef EL3HLT
#define EL3HLT      46  /* Level 3 halted */
#endif
#ifndef EL3RST
#define EL3RST      47  /* Level 3 reset */
#endif
#ifndef ELNRNG
#define ELNRNG      48  /* Link number out of range */
#endif
#ifndef EUNATCH
#define EUNATCH     49  /* Protocol driver not attached */
#endif
#ifndef ENOCSI
#define ENOCSI      50  /* No CSI structure available */
#endif
#ifndef EL2HLT
#define EL2HLT      51  /* Level 2 halted */
#endif
#ifndef EBADE
#define EBADE       52  /* Invalid exchange */
#endif
#ifndef EBADR
#define EBADR       53  /* Invalid request descriptor */
#endif
#ifndef EXFULL
#define EXFULL      54  /* Exchange full */
#endif
#ifndef ENOANO
#define ENOANO      55  /* No anode */
#endif
#ifndef EBADRQC
#define EBADRQC     56  /* Invalid request code */
#endif
#ifndef EBADSLT
#define EBADSLT     57  /* Invalid slot */
#endif

#ifndef EDEADLOCK
#define EDEADLOCK   EDEADLK
#endif

#ifndef EBFONT
#define EBFONT      59  /* Bad font file format */
#endif
#ifndef ENOSTR
#define ENOSTR      60  /* Device not a stream */
#endif
#ifndef ENODATA
#define ENODATA     61  /* No data available */
#endif
#ifndef ETIME
#define ETIME       62  /* Timer expired */
#endif
#ifndef ENOSR
#define ENOSR       63  /* Out of streams resources */
#endif
#ifndef ENONET
#define ENONET      64  /* Machine is not on the network */
#endif
#ifndef ENOPKG
#define ENOPKG      65  /* Package not installed */
#endif
#ifndef EREMOTE
#define EREMOTE     66  /* Object is remote */
#endif
#ifndef ENOLINK
#define ENOLINK     67  /* Link has been severed */
#endif
#ifndef EADV
#define EADV        68  /* Advertise error */
#endif
#ifndef ESRMNT
#define ESRMNT      69  /* Srmount error */
#endif
#ifndef ECOMM
#define ECOMM       70  /* Communication error on send */
#endif
#ifndef EPROTO
#define EPROTO      71  /* Protocol error */
#endif
#ifndef EMULTIHOP
#define EMULTIHOP   72  /* Multihop attempted */
#endif
#ifndef EDOTDOT
#define EDOTDOT     73  /* RFS specific error */
#endif
#ifndef EBADMSG
#define EBADMSG     74  /* Not a data message */
#endif
#ifndef EOVERFLOW
#define EOVERFLOW   75  /* Value too large for defined data type */
#endif
#ifndef ENOTUNIQ
#define ENOTUNIQ    76  /* Name not unique on network */
#endif
#ifndef EBADFD
#define EBADFD      77  /* File descriptor in bad state */
#endif
#ifndef EREMCHG
#define EREMCHG     78  /* Remote address changed */
#endif
#ifndef ELIBACC
#define ELIBACC     79  /* Can not access a needed shared library */
#endif
#ifndef ELIBBAD
#define ELIBBAD     80  /* Accessing a corrupted shared library */
#endif
#ifndef ELIBSCN
#define ELIBSCN     81  /* .lib section in a.out corrupted */
#endif
#ifndef ELIBMAX
#define ELIBMAX     82  /* Attempting to link in too many shared libraries */
#endif
#ifndef ELIBEXEC
#define ELIBEXEC    83  /* Cannot exec a shared library directly */
#endif
#ifndef EILSEQ
#define EILSEQ      84  /* Illegal byte sequence */
#endif
#ifndef ERESTART
#define ERESTART    85  /* Interrupted system call should be restarted */
#endif
#ifndef ESTRPIPE
#define ESTRPIPE    86  /* Streams pipe error */
#endif
#ifndef EUSERS
#define EUSERS      87  /* Too many users */
#endif
#ifndef ENOTSOCK
#define ENOTSOCK    88  /* Socket operation on non-socket */
#endif
#ifndef EDESTADDRREQ
#define EDESTADDRREQ    89  /* Destination address required */
#endif
#ifndef EMSGSIZE
#define EMSGSIZE    90  /* Message too long */
#endif
#ifndef EPROTOTYPE
#define EPROTOTYPE  91  /* Protocol wrong type for socket */
#endif
#ifndef ENOPROTOOPT
#define ENOPROTOOPT 92  /* Protocol not available */
#endif
#ifndef EPROTONOSUPPORT
#define EPROTONOSUPPORT 93  /* Protocol not supported */
#endif
#ifndef ESOCKTNOSUPPORT
#define ESOCKTNOSUPPORT 94  /* Socket type not supported */
#endif
#ifndef EOPNOTSUPP
#define EOPNOTSUPP  95  /* Operation not supported on transport endpoint */
#endif
#ifndef EPFNOSUPPORT
#define EPFNOSUPPORT    96  /* Protocol family not supported */
#endif
#ifndef EAFNOSUPPORT
#define EAFNOSUPPORT    97  /* Address family not supported by protocol */
#endif
#ifndef EADDRINUSE
#define EADDRINUSE  98  /* Address already in use */
#endif
#ifndef EADDRNOTAVAIL
#define EADDRNOTAVAIL   99  /* Cannot assign requested address */
#endif
#ifndef ENETDOWN
#define ENETDOWN    100 /* Network is down */
#endif
#ifndef ENETUNREACH
#define ENETUNREACH 101 /* Network is unreachable */
#endif
#ifndef ENETRESET
#define ENETRESET   102 /* Network dropped connection because of reset */
#endif
#ifndef ECONNABORTED
#define ECONNABORTED    103 /* Software caused connection abort */
#endif
#ifndef ECONNRESET
#define ECONNRESET  104 /* Connection reset by peer */
#endif
#ifndef ENOBUFS
#define ENOBUFS     105 /* No buffer space available */
#endif
#ifndef EISCONN
#define EISCONN     106 /* Transport endpoint is already connected */
#endif
#ifndef ENOTCONN
#define ENOTCONN    107 /* Transport endpoint is not connected */
#endif
#ifndef ESHUTDOWN
#define ESHUTDOWN   108 /* Cannot send after transport endpoint shutdown */
#endif
#ifndef ETOOMANYREFS
#define ETOOMANYREFS    109 /* Too many references: cannot splice */
#endif
#ifndef ETIMEDOUT
#define ETIMEDOUT   110 /* Connection timed out */
#endif
#ifndef ECONNREFUSED
#define ECONNREFUSED    111 /* Connection refused */
#endif
#ifndef EHOSTDOWN
#define EHOSTDOWN   112 /* Host is down */
#endif
#ifndef EHOSTUNREACH
#define EHOSTUNREACH    113 /* No route to host */
#endif
#ifndef EALREADY
#define EALREADY    114 /* Operation already in progress */
#endif
#ifndef EINPROGRESS
#define EINPROGRESS 115 /* Operation now in progress */
#endif
#ifndef ESTALE
#define ESTALE      116 /* Stale NFS file handle */
#endif
#ifndef EUCLEAN
#define EUCLEAN     117 /* Structure needs cleaning */
#endif
#ifndef ENOTNAM
#define ENOTNAM     118 /* Not a XENIX named type file */
#endif
#ifndef ENAVAIL
#define ENAVAIL     119 /* No XENIX semaphores available */
#endif
#ifndef EISNAM
#define EISNAM      120 /* Is a named type file */
#endif
#ifndef EREMOTEIO
#define EREMOTEIO   121 /* Remote I/O error */
#endif
#ifndef EDQUOT
#define EDQUOT      122 /* Quota exceeded */
#endif

#ifndef ENOMEDIUM
#define ENOMEDIUM   123 /* No medium found */
#endif
#ifndef EMEDIUMTYPE
#define EMEDIUMTYPE 124 /* Wrong medium type */
#endif
#ifndef ECANCELED
#define ECANCELED   125 /* Operation Canceled */
#endif
#ifndef ENOKEY
#define ENOKEY      126 /* Required key not available */
#endif
#ifndef EKEYEXPIRED
#define EKEYEXPIRED 127 /* Key has expired */
#endif
#ifndef EKEYREVOKED
#define EKEYREVOKED 128 /* Key has been revoked */
#endif
#ifndef EKEYREJECTED
#define EKEYREJECTED    129 /* Key was rejected by service */
#endif

/* for robust mutexes */
#ifndef EOWNERDEAD
#define EOWNERDEAD  130 /* Owner died */
#endif
#ifndef ENOTRECOVERABLE
#define ENOTRECOVERABLE 131 /* State not recoverable */
#endif

#ifndef ERFKILL
#define ERFKILL     132 /* Operation not possible due to RF-kill */
#endif

#ifndef EHWPOISON
#define EHWPOISON   133 /* Memory page has hardware error */
#endif

#ifndef ERESTARTSYS
#define ERESTARTSYS 512
#endif
#ifndef ERESTARTNOINTR
#define ERESTARTNOINTR  513
#endif
#ifndef ERESTARTNOHAND
#define ERESTARTNOHAND  514 /* restart if no handler.. */
#endif
#ifndef ENOIOCTLCMD
#define ENOIOCTLCMD     515 /* No ioctl command */
#endif
#ifndef ERESTART_RESTARTBLOCK
#define ERESTART_RESTARTBLOCK 516 /* restart by calling sys_restart_syscall */
#endif
#ifndef EPROBE_DEFER
#define EPROBE_DEFER    517 /* Driver requests probe retry */
#endif
#ifndef EOPENSTALE
#define EOPENSTALE  518 /* open found a stale dentry */
#endif

/* Defined for the NFSv3 protocol */
#ifndef EBADHANDLE
#define EBADHANDLE  521 /* Illegal NFS file handle */
#endif
#ifndef ENOTSYNC
#define ENOTSYNC    522 /* Update synchronization mismatch */
#endif
#ifndef EBADCOOKIE
#define EBADCOOKIE  523 /* Cookie is stale */
#endif
#ifndef ENOTSUPP
#define ENOTSUPP    524 /* Operation is not supported */
#endif
#ifndef ENOTSUP
#define ENOTSUP    ENOTSUPP /* Operation is not supported */
#endif
#ifndef ETOOSMALL
#define ETOOSMALL   525 /* Buffer or request is too small */
#endif
#ifndef ESERVERFAULT
#define ESERVERFAULT    526 /* An untranslatable error occurred */
#endif
#ifndef EBADTYPE
#define EBADTYPE    527 /* Type not supported by server */
#endif
#ifndef EJUKEBOX
#define EJUKEBOX    528 /* Request initiated, but will not complete before timeout */
#endif
#ifndef EIOCBQUEUED
#define EIOCBQUEUED 529 /* iocb queued, will get completion event */
#endif

#ifndef MAX_ERRNO
#define MAX_ERRNO   4095
#endif

#define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO)

static inline void * __must_check ERR_PTR(long error)
{
    return (void *) error;
}

static inline long __must_check PTR_ERR(const void *ptr)
{
    return (long) ptr;
}

static inline long __must_check IS_ERR(const void *ptr)
{
    return IS_ERR_VALUE((unsigned long)ptr);
}

static inline long __must_check IS_ERR_OR_NULL(const void *ptr)
{
    return !ptr || IS_ERR_VALUE((unsigned long)ptr);
}

/**
 * ERR_CAST - Explicitly cast an error-valued pointer to another pointer type
 * @ptr: The pointer to cast.
 *
 * Explicitly cast an error-valued pointer to another pointer type in such a
 * way as to make it clear that's what's going on.
 */
static inline void * __must_check ERR_CAST(const void *ptr)
{
    /* cast away the const */
    return (void *) ptr;
}

static inline int __must_check PTR_RET(const void *ptr)
{
    if (IS_ERR(ptr))
        return PTR_ERR(ptr);
    else
        return 0;
}

static inline int __must_check PTR_ERR_OR_ZERO(__force const void *ptr)
{
	if (IS_ERR(ptr))
		return PTR_ERR(ptr);
	else
		return 0;
}

#endif