Peter Limkilde Svendsen
315 lines
13 KiB
Rust
315 lines
13 KiB
Rust
//! `errno.h` implementation.
|
|
//!
|
|
//! See <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/errno.h.html>.
|
|
|
|
// TODO: set this for entire crate when possible
|
|
#![deny(unsafe_op_in_unsafe_fn)]
|
|
|
|
use crate::platform::{self, types::*};
|
|
|
|
//TODO: Consider removing, provided for compatibility with newlib
|
|
#[no_mangle]
|
|
pub extern "C" fn __errno() -> *mut c_int {
|
|
__errno_location()
|
|
}
|
|
|
|
/// Provide a pointer to relibc's internal `errno` variable.
|
|
///
|
|
/// This is the basis of the C-facing macro definition of `errno`, and should
|
|
/// not be used directly.
|
|
#[no_mangle]
|
|
pub extern "C" fn __errno_location() -> *mut c_int {
|
|
platform::ERRNO.as_ptr()
|
|
}
|
|
|
|
/// Get the name used to invoke the program, similar to `argv[0]`.
|
|
///
|
|
/// This provides the basis for the C-facing macro definition of
|
|
/// `program_invocation_name`, and should not be used directly.
|
|
///
|
|
/// The `program_invocation_name` variable is a GNU extension.
|
|
#[no_mangle]
|
|
pub unsafe extern "C" fn __program_invocation_name() -> *mut *mut c_char {
|
|
unsafe { &mut platform::program_invocation_name }
|
|
}
|
|
|
|
/// Get the directory-less name used to invoke the program.
|
|
///
|
|
/// This provides the basis for the C-facing macro definition of
|
|
/// `program_invocation_short_name`, and should not be used directly.
|
|
///
|
|
/// The `program_invocation_short_name` variable is a GNU extension.
|
|
#[no_mangle]
|
|
pub unsafe extern "C" fn __program_invocation_short_name() -> *mut *mut c_char {
|
|
unsafe { &mut platform::program_invocation_short_name }
|
|
}
|
|
|
|
// TODO: modern POSIX requires these to be defined as macros
|
|
pub const EPERM: c_int = 1; /* Operation not permitted */
|
|
pub const ENOENT: c_int = 2; /* No such file or directory */
|
|
pub const ESRCH: c_int = 3; /* No such process */
|
|
pub const EINTR: c_int = 4; /* Interrupted system call */
|
|
pub const EIO: c_int = 5; /* I/O error */
|
|
pub const ENXIO: c_int = 6; /* No such device or address */
|
|
pub const E2BIG: c_int = 7; /* Argument list too long */
|
|
pub const ENOEXEC: c_int = 8; /* Exec format error */
|
|
pub const EBADF: c_int = 9; /* Bad file number */
|
|
pub const ECHILD: c_int = 10; /* No child processes */
|
|
pub const EAGAIN: c_int = 11; /* Try again */
|
|
pub const ENOMEM: c_int = 12; /* Out of memory */
|
|
pub const EACCES: c_int = 13; /* Permission denied */
|
|
pub const EFAULT: c_int = 14; /* Bad address */
|
|
pub const ENOTBLK: c_int = 15; /* Block device required */
|
|
pub const EBUSY: c_int = 16; /* Device or resource busy */
|
|
pub const EEXIST: c_int = 17; /* File exists */
|
|
pub const EXDEV: c_int = 18; /* Cross-device link */
|
|
pub const ENODEV: c_int = 19; /* No such device */
|
|
pub const ENOTDIR: c_int = 20; /* Not a directory */
|
|
pub const EISDIR: c_int = 21; /* Is a directory */
|
|
pub const EINVAL: c_int = 22; /* Invalid argument */
|
|
pub const ENFILE: c_int = 23; /* File table overflow */
|
|
pub const EMFILE: c_int = 24; /* Too many open files */
|
|
pub const ENOTTY: c_int = 25; /* Not a typewriter */
|
|
pub const ETXTBSY: c_int = 26; /* Text file busy */
|
|
pub const EFBIG: c_int = 27; /* File too large */
|
|
pub const ENOSPC: c_int = 28; /* No space left on device */
|
|
pub const ESPIPE: c_int = 29; /* Illegal seek */
|
|
pub const EROFS: c_int = 30; /* Read-only file system */
|
|
pub const EMLINK: c_int = 31; /* Too many links */
|
|
pub const EPIPE: c_int = 32; /* Broken pipe */
|
|
pub const EDOM: c_int = 33; /* Math argument out of domain of func */
|
|
pub const ERANGE: c_int = 34; /* Math result not representable */
|
|
pub const EDEADLK: c_int = 35; /* Resource deadlock would occur */
|
|
pub const ENAMETOOLONG: c_int = 36; /* File name too long */
|
|
pub const ENOLCK: c_int = 37; /* No record locks available */
|
|
pub const ENOSYS: c_int = 38; /* Function not implemented */
|
|
pub const ENOTEMPTY: c_int = 39; /* Directory not empty */
|
|
pub const ELOOP: c_int = 40; /* Too many symbolic links encountered */
|
|
pub const EWOULDBLOCK: c_int = 41; /* Operation would block */
|
|
pub const ENOMSG: c_int = 42; /* No message of desired type */
|
|
pub const EIDRM: c_int = 43; /* Identifier removed */
|
|
pub const ECHRNG: c_int = 44; /* Channel number out of range */
|
|
pub const EL2NSYNC: c_int = 45; /* Level 2 not synchronized */
|
|
pub const EL3HLT: c_int = 46; /* Level 3 halted */
|
|
pub const EL3RST: c_int = 47; /* Level 3 reset */
|
|
pub const ELNRNG: c_int = 48; /* Link number out of range */
|
|
pub const EUNATCH: c_int = 49; /* Protocol driver not attached */
|
|
pub const ENOCSI: c_int = 50; /* No CSI structure available */
|
|
pub const EL2HLT: c_int = 51; /* Level 2 halted */
|
|
pub const EBADE: c_int = 52; /* Invalid exchange */
|
|
pub const EBADR: c_int = 53; /* Invalid request descriptor */
|
|
pub const EXFULL: c_int = 54; /* Exchange full */
|
|
pub const ENOANO: c_int = 55; /* No anode */
|
|
pub const EBADRQC: c_int = 56; /* Invalid request code */
|
|
pub const EBADSLT: c_int = 57; /* Invalid slot */
|
|
pub const EDEADLOCK: c_int = 58; /* Resource deadlock would occur */
|
|
pub const EBFONT: c_int = 59; /* Bad font file format */
|
|
pub const ENOSTR: c_int = 60; /* Device not a stream */
|
|
pub const ENODATA: c_int = 61; /* No data available */
|
|
pub const ETIME: c_int = 62; /* Timer expired */
|
|
pub const ENOSR: c_int = 63; /* Out of streams resources */
|
|
pub const ENONET: c_int = 64; /* Machine is not on the network */
|
|
pub const ENOPKG: c_int = 65; /* Package not installed */
|
|
pub const EREMOTE: c_int = 66; /* Object is remote */
|
|
pub const ENOLINK: c_int = 67; /* Link has been severed */
|
|
pub const EADV: c_int = 68; /* Advertise error */
|
|
pub const ESRMNT: c_int = 69; /* Srmount error */
|
|
pub const ECOMM: c_int = 70; /* Communication error on send */
|
|
pub const EPROTO: c_int = 71; /* Protocol error */
|
|
pub const EMULTIHOP: c_int = 72; /* Multihop attempted */
|
|
pub const EDOTDOT: c_int = 73; /* RFS specific error */
|
|
pub const EBADMSG: c_int = 74; /* Not a data message */
|
|
pub const EOVERFLOW: c_int = 75; /* Value too large for defined data type */
|
|
pub const ENOTUNIQ: c_int = 76; /* Name not unique on network */
|
|
pub const EBADFD: c_int = 77; /* File descriptor in bad state */
|
|
pub const EREMCHG: c_int = 78; /* Remote address changed */
|
|
pub const ELIBACC: c_int = 79; /* Can not access a needed shared library */
|
|
pub const ELIBBAD: c_int = 80; /* Accessing a corrupted shared library */
|
|
pub const ELIBSCN: c_int = 81; /* .lib section in a.out corrupted */
|
|
pub const ELIBMAX: c_int = 82; /* Attempting to link in too many shared libraries */
|
|
pub const ELIBEXEC: c_int = 83; /* Cannot exec a shared library directly */
|
|
pub const EILSEQ: c_int = 84; /* Illegal byte sequence */
|
|
pub const ERESTART: c_int = 85; /* Interrupted system call should be restarted */
|
|
pub const ESTRPIPE: c_int = 86; /* Streams pipe error */
|
|
pub const EUSERS: c_int = 87; /* Too many users */
|
|
pub const ENOTSOCK: c_int = 88; /* Socket operation on non-socket */
|
|
pub const EDESTADDRREQ: c_int = 89; /* Destination address required */
|
|
pub const EMSGSIZE: c_int = 90; /* Message too long */
|
|
pub const EPROTOTYPE: c_int = 91; /* Protocol wrong type for socket */
|
|
pub const ENOPROTOOPT: c_int = 92; /* Protocol not available */
|
|
pub const EPROTONOSUPPORT: c_int = 93; /* Protocol not supported */
|
|
pub const ESOCKTNOSUPPORT: c_int = 94; /* Socket type not supported */
|
|
pub const EOPNOTSUPP: c_int = 95; /* Operation not supported on transport endpoint */
|
|
pub const EPFNOSUPPORT: c_int = 96; /* Protocol family not supported */
|
|
pub const EAFNOSUPPORT: c_int = 97; /* Address family not supported by protocol */
|
|
pub const EADDRINUSE: c_int = 98; /* Address already in use */
|
|
pub const EADDRNOTAVAIL: c_int = 99; /* Cannot assign requested address */
|
|
pub const ENETDOWN: c_int = 100; /* Network is down */
|
|
pub const ENETUNREACH: c_int = 101; /* Network is unreachable */
|
|
pub const ENETRESET: c_int = 102; /* Network dropped connection because of reset */
|
|
pub const ECONNABORTED: c_int = 103; /* Software caused connection abort */
|
|
pub const ECONNRESET: c_int = 104; /* Connection reset by peer */
|
|
pub const ENOBUFS: c_int = 105; /* No buffer space available */
|
|
pub const EISCONN: c_int = 106; /* Transport endpoint is already connected */
|
|
pub const ENOTCONN: c_int = 107; /* Transport endpoint is not connected */
|
|
pub const ESHUTDOWN: c_int = 108; /* Cannot send after transport endpoint shutdown */
|
|
pub const ETOOMANYREFS: c_int = 109; /* Too many references: cannot splice */
|
|
pub const ETIMEDOUT: c_int = 110; /* Connection timed out */
|
|
pub const ECONNREFUSED: c_int = 111; /* Connection refused */
|
|
pub const EHOSTDOWN: c_int = 112; /* Host is down */
|
|
pub const EHOSTUNREACH: c_int = 113; /* No route to host */
|
|
pub const EALREADY: c_int = 114; /* Operation already in progress */
|
|
pub const EINPROGRESS: c_int = 115; /* Operation now in progress */
|
|
pub const ESTALE: c_int = 116; /* Stale NFS file handle */
|
|
pub const EUCLEAN: c_int = 117; /* Structure needs cleaning */
|
|
pub const ENOTNAM: c_int = 118; /* Not a XENIX named type file */
|
|
pub const ENAVAIL: c_int = 119; /* No XENIX semaphores available */
|
|
pub const EISNAM: c_int = 120; /* Is a named type file */
|
|
pub const EREMOTEIO: c_int = 121; /* Remote I/O error */
|
|
pub const EDQUOT: c_int = 122; /* Quota exceeded */
|
|
pub const ENOMEDIUM: c_int = 123; /* No medium found */
|
|
pub const EMEDIUMTYPE: c_int = 124; /* Wrong medium type */
|
|
pub const ECANCELED: c_int = 125; /* Operation Canceled */
|
|
pub const ENOKEY: c_int = 126; /* Required key not available */
|
|
pub const EKEYEXPIRED: c_int = 127; /* Key has expired */
|
|
pub const EKEYREVOKED: c_int = 128; /* Key has been revoked */
|
|
pub const EKEYREJECTED: c_int = 129; /* Key was rejected by service */
|
|
pub const EOWNERDEAD: c_int = 130; /* Owner died */
|
|
pub const ENOTRECOVERABLE: c_int = 131; /* State not recoverable */
|
|
|
|
/// String representations for the respective `errno` values.
|
|
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",
|
|
];
|