1 files changed, 314 insertions, 0 deletions
diff --git a/vendor/github.com/tetratelabs/wazero/internal/wasip1/errno.go b/vendor/github.com/tetratelabs/wazero/internal/wasip1/errno.go
new file mode 100644
index 000000000..028573d2f
--- /dev/null
+++ b/vendor/github.com/tetratelabs/wazero/internal/wasip1/errno.go
@@ -0,0 +1,314 @@
+package wasip1
+
+import (
+	"fmt"
+
+	"github.com/tetratelabs/wazero/experimental/sys"
+)
+
+// Errno is neither uint16 nor an alias for parity with wasm.ValueType.
+type Errno = uint32
+
+// ErrnoName returns the POSIX error code name, except ErrnoSuccess, which is
+// not an error. e.g. Errno2big -> "E2BIG"
+func ErrnoName(errno uint32) string {
+	if int(errno) < len(errnoToString) {
+		return errnoToString[errno]
+	}
+	return fmt.Sprintf("errno(%d)", errno)
+}
+
+// Note: Below prefers POSIX symbol names over WASI ones, even if the docs are from WASI.
+// See https://linux.die.net/man/3/errno
+// See https://github.com/WebAssembly/WASI/blob/snapshot-01/phases/snapshot/docs.md#variants-1
+const (
+	// ErrnoSuccess No error occurred. System call completed successfully.
+	ErrnoSuccess Errno = iota
+	// Errno2big Argument list too long.
+	Errno2big
+	// ErrnoAcces Permission denied.
+	ErrnoAcces
+	// ErrnoAddrinuse Address in use.
+	ErrnoAddrinuse
+	// ErrnoAddrnotavail Address not available.
+	ErrnoAddrnotavail
+	// ErrnoAfnosupport Address family not supported.
+	ErrnoAfnosupport
+	// ErrnoAgain Resource unavailable, or operation would block.
+	ErrnoAgain
+	// ErrnoAlready Connection already in progress.
+	ErrnoAlready
+	// ErrnoBadf Bad file descriptor.
+	ErrnoBadf
+	// ErrnoBadmsg Bad message.
+	ErrnoBadmsg
+	// ErrnoBusy Device or resource busy.
+	ErrnoBusy
+	// ErrnoCanceled Operation canceled.
+	ErrnoCanceled
+	// ErrnoChild No child processes.
+	ErrnoChild
+	// ErrnoConnaborted Connection aborted.
+	ErrnoConnaborted
+	// ErrnoConnrefused Connection refused.
+	ErrnoConnrefused
+	// ErrnoConnreset Connection reset.
+	ErrnoConnreset
+	// ErrnoDeadlk Resource deadlock would occur.
+	ErrnoDeadlk
+	// ErrnoDestaddrreq Destination address required.
+	ErrnoDestaddrreq
+	// ErrnoDom Mathematics argument out of domain of function.
+	ErrnoDom
+	// ErrnoDquot Reserved.
+	ErrnoDquot
+	// ErrnoExist File exists.
+	ErrnoExist
+	// ErrnoFault Bad address.
+	ErrnoFault
+	// ErrnoFbig File too large.
+	ErrnoFbig
+	// ErrnoHostunreach Host is unreachable.
+	ErrnoHostunreach
+	// ErrnoIdrm Identifier removed.
+	ErrnoIdrm
+	// ErrnoIlseq Illegal byte sequence.
+	ErrnoIlseq
+	// ErrnoInprogress Operation in progress.
+	ErrnoInprogress
+	// ErrnoIntr Interrupted function.
+	ErrnoIntr
+	// ErrnoInval Invalid argument.
+	ErrnoInval
+	// ErrnoIo I/O error.
+	ErrnoIo
+	// ErrnoIsconn Socket is connected.
+	ErrnoIsconn
+	// ErrnoIsdir Is a directory.
+	ErrnoIsdir
+	// ErrnoLoop Too many levels of symbolic links.
+	ErrnoLoop
+	// ErrnoMfile File descriptor value too large.
+	ErrnoMfile
+	// ErrnoMlink Too many links.
+	ErrnoMlink
+	// ErrnoMsgsize Message too large.
+	ErrnoMsgsize
+	// ErrnoMultihop Reserved.
+	ErrnoMultihop
+	// ErrnoNametoolong Filename too long.
+	ErrnoNametoolong
+	// ErrnoNetdown Network is down.
+	ErrnoNetdown
+	// ErrnoNetreset Connection aborted by network.
+	ErrnoNetreset
+	// ErrnoNetunreach Network unreachable.
+	ErrnoNetunreach
+	// ErrnoNfile Too many files open in system.
+	ErrnoNfile
+	// ErrnoNobufs No buffer space available.
+	ErrnoNobufs
+	// ErrnoNodev No such device.
+	ErrnoNodev
+	// ErrnoNoent No such file or directory.
+	ErrnoNoent
+	// ErrnoNoexec Executable file format error.
+	ErrnoNoexec
+	// ErrnoNolck No locks available.
+	ErrnoNolck
+	// ErrnoNolink Reserved.
+	ErrnoNolink
+	// ErrnoNomem Not enough space.
+	ErrnoNomem
+	// ErrnoNomsg No message of the desired type.
+	ErrnoNomsg
+	// ErrnoNoprotoopt No message of the desired type.
+	ErrnoNoprotoopt
+	// ErrnoNospc No space left on device.
+	ErrnoNospc
+	// ErrnoNosys function not supported.
+	ErrnoNosys
+	// ErrnoNotconn The socket is not connected.
+	ErrnoNotconn
+	// ErrnoNotdir Not a directory or a symbolic link to a directory.
+	ErrnoNotdir
+	// ErrnoNotempty Directory not empty.
+	ErrnoNotempty
+	// ErrnoNotrecoverable State not recoverable.
+	ErrnoNotrecoverable
+	// ErrnoNotsock Not a socket.
+	ErrnoNotsock
+	// ErrnoNotsup Not supported, or operation not supported on socket.
+	ErrnoNotsup
+	// ErrnoNotty Inappropriate I/O control operation.
+	ErrnoNotty
+	// ErrnoNxio No such device or address.
+	ErrnoNxio
+	// ErrnoOverflow Value too large to be stored in data type.
+	ErrnoOverflow
+	// ErrnoOwnerdead Previous owner died.
+	ErrnoOwnerdead
+	// ErrnoPerm Operation not permitted.
+	ErrnoPerm
+	// ErrnoPipe Broken pipe.
+	ErrnoPipe
+	// ErrnoProto Protocol error.
+	ErrnoProto
+	// ErrnoProtonosupport Protocol error.
+	ErrnoProtonosupport
+	// ErrnoPrototype Protocol wrong type for socket.
+	ErrnoPrototype
+	// ErrnoRange Result too large.
+	ErrnoRange
+	// ErrnoRofs Read-only file system.
+	ErrnoRofs
+	// ErrnoSpipe Invalid seek.
+	ErrnoSpipe
+	// ErrnoSrch No such process.
+	ErrnoSrch
+	// ErrnoStale Reserved.
+	ErrnoStale
+	// ErrnoTimedout Connection timed out.
+	ErrnoTimedout
+	// ErrnoTxtbsy Text file busy.
+	ErrnoTxtbsy
+	// ErrnoXdev Cross-device link.
+	ErrnoXdev
+
+	// Note: ErrnoNotcapable was removed by WASI maintainers.
+	// See https://github.com/WebAssembly/wasi-libc/pull/294
+)
+
+var errnoToString = [...]string{
+	"ESUCCESS",
+	"E2BIG",
+	"EACCES",
+	"EADDRINUSE",
+	"EADDRNOTAVAIL",
+	"EAFNOSUPPORT",
+	"EAGAIN",
+	"EALREADY",
+	"EBADF",
+	"EBADMSG",
+	"EBUSY",
+	"ECANCELED",
+	"ECHILD",
+	"ECONNABORTED",
+	"ECONNREFUSED",
+	"ECONNRESET",
+	"EDEADLK",
+	"EDESTADDRREQ",
+	"EDOM",
+	"EDQUOT",
+	"EEXIST",
+	"EFAULT",
+	"EFBIG",
+	"EHOSTUNREACH",
+	"EIDRM",
+	"EILSEQ",
+	"EINPROGRESS",
+	"EINTR",
+	"EINVAL",
+	"EIO",
+	"EISCONN",
+	"EISDIR",
+	"ELOOP",
+	"EMFILE",
+	"EMLINK",
+	"EMSGSIZE",
+	"EMULTIHOP",
+	"ENAMETOOLONG",
+	"ENETDOWN",
+	"ENETRESET",
+	"ENETUNREACH",
+	"ENFILE",
+	"ENOBUFS",
+	"ENODEV",
+	"ENOENT",
+	"ENOEXEC",
+	"ENOLCK",
+	"ENOLINK",
+	"ENOMEM",
+	"ENOMSG",
+	"ENOPROTOOPT",
+	"ENOSPC",
+	"ENOSYS",
+	"ENOTCONN",
+	"ENOTDIR",
+	"ENOTEMPTY",
+	"ENOTRECOVERABLE",
+	"ENOTSOCK",
+	"ENOTSUP",
+	"ENOTTY",
+	"ENXIO",
+	"EOVERFLOW",
+	"EOWNERDEAD",
+	"EPERM",
+	"EPIPE",
+	"EPROTO",
+	"EPROTONOSUPPORT",
+	"EPROTOTYPE",
+	"ERANGE",
+	"EROFS",
+	"ESPIPE",
+	"ESRCH",
+	"ESTALE",
+	"ETIMEDOUT",
+	"ETXTBSY",
+	"EXDEV",
+	"ENOTCAPABLE",
+}
+
+// ToErrno coerces the error to a WASI Errno.
+//
+// Note: Coercion isn't centralized in sys.FSContext because ABI use different
+// error codes. For example, wasi-filesystem doesn't map to these
+// Errno.
+func ToErrno(errno sys.Errno) Errno {
+	switch errno {
+	case 0:
+		return ErrnoSuccess
+	case sys.EACCES:
+		return ErrnoAcces
+	case sys.EAGAIN:
+		return ErrnoAgain
+	case sys.EBADF:
+		return ErrnoBadf
+	case sys.EEXIST:
+		return ErrnoExist
+	case sys.EFAULT:
+		return ErrnoFault
+	case sys.EINTR:
+		return ErrnoIntr
+	case sys.EINVAL:
+		return ErrnoInval
+	case sys.EIO:
+		return ErrnoIo
+	case sys.EISDIR:
+		return ErrnoIsdir
+	case sys.ELOOP:
+		return ErrnoLoop
+	case sys.ENAMETOOLONG:
+		return ErrnoNametoolong
+	case sys.ENOENT:
+		return ErrnoNoent
+	case sys.ENOSYS:
+		return ErrnoNosys
+	case sys.ENOTDIR:
+		return ErrnoNotdir
+	case sys.ERANGE:
+		return ErrnoRange
+	case sys.ENOTEMPTY:
+		return ErrnoNotempty
+	case sys.ENOTSOCK:
+		return ErrnoNotsock
+	case sys.ENOTSUP:
+		return ErrnoNotsup
+	case sys.EPERM:
+		return ErrnoPerm
+	case sys.EROFS:
+		return ErrnoRofs
+	default:
+		return ErrnoIo
+	}
+}