| use core::{fmt, result}; |
| |
| #[derive(Eq, PartialEq)] |
| pub struct Error { |
| pub errno: i32, |
| } |
| |
| pub type Result<T> = result::Result<T, Error>; |
| |
| impl Error { |
| pub fn new(errno: i32) -> Error { |
| Error { errno } |
| } |
| |
| pub fn mux(result: Result<usize>) -> usize { |
| match result { |
| Ok(value) => value, |
| Err(error) => -error.errno as usize, |
| } |
| } |
| |
| pub fn demux(value: usize) -> Result<usize> { |
| let errno = -(value as i32); |
| if errno >= 1 && errno < STR_ERROR.len() as i32 { |
| Err(Error::new(errno)) |
| } else { |
| Ok(value) |
| } |
| } |
| |
| pub fn text(&self) -> &str { |
| if let Some(description) = STR_ERROR.get(self.errno as usize) { |
| description |
| } else { |
| "Unknown Error" |
| } |
| } |
| } |
| |
| impl fmt::Debug for Error { |
| fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { |
| f.write_str(self.text()) |
| } |
| } |
| |
| impl fmt::Display for Error { |
| fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { |
| f.write_str(self.text()) |
| } |
| } |
| |
| pub const EPERM: i32 = 1; /* Operation not permitted */ |
| pub const ENOENT: i32 = 2; /* No such file or directory */ |
| pub const ESRCH: i32 = 3; /* No such process */ |
| pub const EINTR: i32 = 4; /* Interrupted system call */ |
| pub const EIO: i32 = 5; /* I/O error */ |
| pub const ENXIO: i32 = 6; /* No such device or address */ |
| pub const E2BIG: i32 = 7; /* Argument list too long */ |
| pub const ENOEXEC: i32 = 8; /* Exec format error */ |
| pub const EBADF: i32 = 9; /* Bad file number */ |
| pub const ECHILD: i32 = 10; /* No child processes */ |
| pub const EAGAIN: i32 = 11; /* Try again */ |
| pub const ENOMEM: i32 = 12; /* Out of memory */ |
| pub const EACCES: i32 = 13; /* Permission denied */ |
| pub const EFAULT: i32 = 14; /* Bad address */ |
| pub const ENOTBLK: i32 = 15; /* Block device required */ |
| pub const EBUSY: i32 = 16; /* Device or resource busy */ |
| pub const EEXIST: i32 = 17; /* File exists */ |
| pub const EXDEV: i32 = 18; /* Cross-device link */ |
| pub const ENODEV: i32 = 19; /* No such device */ |
| pub const ENOTDIR: i32 = 20; /* Not a directory */ |
| pub const EISDIR: i32 = 21; /* Is a directory */ |
| pub const EINVAL: i32 = 22; /* Invalid argument */ |
| pub const ENFILE: i32 = 23; /* File table overflow */ |
| pub const EMFILE: i32 = 24; /* Too many open files */ |
| pub const ENOTTY: i32 = 25; /* Not a typewriter */ |
| pub const ETXTBSY: i32 = 26; /* Text file busy */ |
| pub const EFBIG: i32 = 27; /* File too large */ |
| pub const ENOSPC: i32 = 28; /* No space left on device */ |
| pub const ESPIPE: i32 = 29; /* Illegal seek */ |
| pub const EROFS: i32 = 30; /* Read-only file system */ |
| pub const EMLINK: i32 = 31; /* Too many links */ |
| pub const EPIPE: i32 = 32; /* Broken pipe */ |
| pub const EDOM: i32 = 33; /* Math argument out of domain of func */ |
| pub const ERANGE: i32 = 34; /* Math result not representable */ |
| pub const EDEADLK: i32 = 35; /* Resource deadlock would occur */ |
| pub const ENAMETOOLONG: i32 = 36; /* File name too long */ |
| pub const ENOLCK: i32 = 37; /* No record locks available */ |
| pub const ENOSYS: i32 = 38; /* Function not implemented */ |
| pub const ENOTEMPTY: i32 = 39; /* Directory not empty */ |
| pub const ELOOP: i32 = 40; /* Too many symbolic links encountered */ |
| pub const EWOULDBLOCK: i32 = 41; /* Operation would block */ |
| pub const ENOMSG: i32 = 42; /* No message of desired type */ |
| pub const EIDRM: i32 = 43; /* Identifier removed */ |
| pub const ECHRNG: i32 = 44; /* Channel number out of range */ |
| pub const EL2NSYNC: i32 = 45; /* Level 2 not synchronized */ |
| pub const EL3HLT: i32 = 46; /* Level 3 halted */ |
| pub const EL3RST: i32 = 47; /* Level 3 reset */ |
| pub const ELNRNG: i32 = 48; /* Link number out of range */ |
| pub const EUNATCH: i32 = 49; /* Protocol driver not attached */ |
| pub const ENOCSI: i32 = 50; /* No CSI structure available */ |
| pub const EL2HLT: i32 = 51; /* Level 2 halted */ |
| pub const EBADE: i32 = 52; /* Invalid exchange */ |
| pub const EBADR: i32 = 53; /* Invalid request descriptor */ |
| pub const EXFULL: i32 = 54; /* Exchange full */ |
| pub const ENOANO: i32 = 55; /* No anode */ |
| pub const EBADRQC: i32 = 56; /* Invalid request code */ |
| pub const EBADSLT: i32 = 57; /* Invalid slot */ |
| pub const EDEADLOCK: i32 = 58; /* Resource deadlock would occur */ |
| pub const EBFONT: i32 = 59; /* Bad font file format */ |
| pub const ENOSTR: i32 = 60; /* Device not a stream */ |
| pub const ENODATA: i32 = 61; /* No data available */ |
| pub const ETIME: i32 = 62; /* Timer expired */ |
| pub const ENOSR: i32 = 63; /* Out of streams resources */ |
| pub const ENONET: i32 = 64; /* Machine is not on the network */ |
| pub const ENOPKG: i32 = 65; /* Package not installed */ |
| pub const EREMOTE: i32 = 66; /* Object is remote */ |
| pub const ENOLINK: i32 = 67; /* Link has been severed */ |
| pub const EADV: i32 = 68; /* Advertise error */ |
| pub const ESRMNT: i32 = 69; /* Srmount error */ |
| pub const ECOMM: i32 = 70; /* Communication error on send */ |
| pub const EPROTO: i32 = 71; /* Protocol error */ |
| pub const EMULTIHOP: i32 = 72; /* Multihop attempted */ |
| pub const EDOTDOT: i32 = 73; /* RFS specific error */ |
| pub const EBADMSG: i32 = 74; /* Not a data message */ |
| pub const EOVERFLOW: i32 = 75; /* Value too large for defined data type */ |
| pub const ENOTUNIQ: i32 = 76; /* Name not unique on network */ |
| pub const EBADFD: i32 = 77; /* File descriptor in bad state */ |
| pub const EREMCHG: i32 = 78; /* Remote address changed */ |
| pub const ELIBACC: i32 = 79; /* Can not access a needed shared library */ |
| pub const ELIBBAD: i32 = 80; /* Accessing a corrupted shared library */ |
| pub const ELIBSCN: i32 = 81; /* .lib section in a.out corrupted */ |
| pub const ELIBMAX: i32 = 82; /* Attempting to link in too many shared libraries */ |
| pub const ELIBEXEC: i32 = 83; /* Cannot exec a shared library directly */ |
| pub const EILSEQ: i32 = 84; /* Illegal byte sequence */ |
| pub const ERESTART: i32 = 85; /* Interrupted system call should be restarted */ |
| pub const ESTRPIPE: i32 = 86; /* Streams pipe error */ |
| pub const EUSERS: i32 = 87; /* Too many users */ |
| pub const ENOTSOCK: i32 = 88; /* Socket operation on non-socket */ |
| pub const EDESTADDRREQ: i32 = 89; /* Destination address required */ |
| pub const EMSGSIZE: i32 = 90; /* Message too long */ |
| pub const EPROTOTYPE: i32 = 91; /* Protocol wrong type for socket */ |
| pub const ENOPROTOOPT: i32 = 92; /* Protocol not available */ |
| pub const EPROTONOSUPPORT: i32 = 93; /* Protocol not supported */ |
| pub const ESOCKTNOSUPPORT: i32 = 94; /* Socket type not supported */ |
| pub const EOPNOTSUPP: i32 = 95; /* Operation not supported on transport endpoint */ |
| pub const EPFNOSUPPORT: i32 = 96; /* Protocol family not supported */ |
| pub const EAFNOSUPPORT: i32 = 97; /* Address family not supported by protocol */ |
| pub const EADDRINUSE: i32 = 98; /* Address already in use */ |
| pub const EADDRNOTAVAIL: i32 = 99; /* Cannot assign requested address */ |
| pub const ENETDOWN: i32 = 100; /* Network is down */ |
| pub const ENETUNREACH: i32 = 101; /* Network is unreachable */ |
| pub const ENETRESET: i32 = 102; /* Network dropped connection because of reset */ |
| pub const ECONNABORTED: i32 = 103; /* Software caused connection abort */ |
| pub const ECONNRESET: i32 = 104; /* Connection reset by peer */ |
| pub const ENOBUFS: i32 = 105; /* No buffer space available */ |
| pub const EISCONN: i32 = 106; /* Transport endpoint is already connected */ |
| pub const ENOTCONN: i32 = 107; /* Transport endpoint is not connected */ |
| pub const ESHUTDOWN: i32 = 108; /* Cannot send after transport endpoint shutdown */ |
| pub const ETOOMANYREFS: i32 = 109; /* Too many references: cannot splice */ |
| pub const ETIMEDOUT: i32 = 110; /* Connection timed out */ |
| pub const ECONNREFUSED: i32 = 111; /* Connection refused */ |
| pub const EHOSTDOWN: i32 = 112; /* Host is down */ |
| pub const EHOSTUNREACH: i32 = 113; /* No route to host */ |
| pub const EALREADY: i32 = 114; /* Operation already in progress */ |
| pub const EINPROGRESS: i32 = 115; /* Operation now in progress */ |
| pub const ESTALE: i32 = 116; /* Stale NFS file handle */ |
| pub const EUCLEAN: i32 = 117; /* Structure needs cleaning */ |
| pub const ENOTNAM: i32 = 118; /* Not a XENIX named type file */ |
| pub const ENAVAIL: i32 = 119; /* No XENIX semaphores available */ |
| pub const EISNAM: i32 = 120; /* Is a named type file */ |
| pub const EREMOTEIO: i32 = 121; /* Remote I/O error */ |
| pub const EDQUOT: i32 = 122; /* Quota exceeded */ |
| pub const ENOMEDIUM: i32 = 123; /* No medium found */ |
| pub const EMEDIUMTYPE: i32 = 124; /* Wrong medium type */ |
| pub const ECANCELED: i32 = 125; /* Operation Canceled */ |
| pub const ENOKEY: i32 = 126; /* Required key not available */ |
| pub const EKEYEXPIRED: i32 = 127; /* Key has expired */ |
| pub const EKEYREVOKED: i32 = 128; /* Key has been revoked */ |
| pub const EKEYREJECTED: i32 = 129; /* Key was rejected by service */ |
| pub const EOWNERDEAD: i32 = 130; /* Owner died */ |
| pub const ENOTRECOVERABLE: i32 = 131; /* State not recoverable */ |
| |
| pub static STR_ERROR: [&'static str; 132] = ["Success", |
| "Operation not permitted", |
| "No such file or directory", |
| "No such process", |
| "Interrupted system call", |
| "I/O error", |
| "No such device or address", |
| "Argument list too long", |
| "Exec format error", |
| "Bad file number", |
| "No child processes", |
| "Try again", |
| "Out of memory", |
| "Permission denied", |
| "Bad address", |
| "Block device required", |
| "Device or resource busy", |
| "File exists", |
| "Cross-device link", |
| "No such device", |
| "Not a directory", |
| "Is a directory", |
| "Invalid argument", |
| "File table overflow", |
| "Too many open files", |
| "Not a typewriter", |
| "Text file busy", |
| "File too large", |
| "No space left on device", |
| "Illegal seek", |
| "Read-only file system", |
| "Too many links", |
| "Broken pipe", |
| "Math argument out of domain of func", |
| "Math result not representable", |
| "Resource deadlock would occur", |
| "File name too long", |
| "No record locks available", |
| "Function not implemented", |
| "Directory not empty", |
| "Too many symbolic links encountered", |
| "Operation would block", |
| "No message of desired type", |
| "Identifier removed", |
| "Channel number out of range", |
| "Level 2 not synchronized", |
| "Level 3 halted", |
| "Level 3 reset", |
| "Link number out of range", |
| "Protocol driver not attached", |
| "No CSI structure available", |
| "Level 2 halted", |
| "Invalid exchange", |
| "Invalid request descriptor", |
| "Exchange full", |
| "No anode", |
| "Invalid request code", |
| "Invalid slot", |
| "Resource deadlock would occur", |
| "Bad font file format", |
| "Device not a stream", |
| "No data available", |
| "Timer expired", |
| "Out of streams resources", |
| "Machine is not on the network", |
| "Package not installed", |
| "Object is remote", |
| "Link has been severed", |
| "Advertise error", |
| "Srmount error", |
| "Communication error on send", |
| "Protocol error", |
| "Multihop attempted", |
| "RFS specific error", |
| "Not a data message", |
| "Value too large for defined data type", |
| "Name not unique on network", |
| "File descriptor in bad state", |
| "Remote address changed", |
| "Can not access a needed shared library", |
| "Accessing a corrupted shared library", |
| ".lib section in a.out corrupted", |
| "Attempting to link in too many shared libraries", |
| "Cannot exec a shared library directly", |
| "Illegal byte sequence", |
| "Interrupted system call should be restarted", |
| "Streams pipe error", |
| "Too many users", |
| "Socket operation on non-socket", |
| "Destination address required", |
| "Message too long", |
| "Protocol wrong type for socket", |
| "Protocol not available", |
| "Protocol not supported", |
| "Socket type not supported", |
| "Operation not supported on transport endpoint", |
| "Protocol family not supported", |
| "Address family not supported by protocol", |
| "Address already in use", |
| "Cannot assign requested address", |
| "Network is down", |
| "Network is unreachable", |
| "Network dropped connection because of reset", |
| "Software caused connection abort", |
| "Connection reset by peer", |
| "No buffer space available", |
| "Transport endpoint is already connected", |
| "Transport endpoint is not connected", |
| "Cannot send after transport endpoint shutdown", |
| "Too many references: cannot splice", |
| "Connection timed out", |
| "Connection refused", |
| "Host is down", |
| "No route to host", |
| "Operation already in progress", |
| "Operation now in progress", |
| "Stale NFS file handle", |
| "Structure needs cleaning", |
| "Not a XENIX named type file", |
| "No XENIX semaphores available", |
| "Is a named type file", |
| "Remote I/O error", |
| "Quota exceeded", |
| "No medium found", |
| "Wrong medium type", |
| "Operation Canceled", |
| "Required key not available", |
| "Key has expired", |
| "Key has been revoked", |
| "Key was rejected by service", |
| "Owner died", |
| "State not recoverable"]; |
