bun.sh/src/sys/libuv_error_map.zig

/// This map is derived off of uv.h's definitions, and is what Node.js uses in printing errors.
pub const libuv_error_map = brk: {
    const entries: []const struct { [:0]const u8, [:0]const u8 } = &.{
        .{ "E2BIG", "argument list too long" },
        .{ "EACCES", "permission denied" },
        .{ "EADDRINUSE", "address already in use" },
        .{ "EADDRNOTAVAIL", "address not available" },
        .{ "EAFNOSUPPORT", "address family not supported" },
        .{ "EAGAIN", "resource temporarily unavailable" },
        .{ "EAI_ADDRFAMILY", "address family not supported" },
        .{ "EAI_AGAIN", "temporary failure" },
        .{ "EAI_BADFLAGS", "bad ai_flags value" },
        .{ "EAI_BADHINTS", "invalid value for hints" },
        .{ "EAI_CANCELED", "request canceled" },
        .{ "EAI_FAIL", "permanent failure" },
        .{ "EAI_FAMILY", "ai_family not supported" },
        .{ "EAI_MEMORY", "out of memory" },
        .{ "EAI_NODATA", "no address" },
        .{ "EAI_NONAME", "unknown node or service" },
        .{ "EAI_OVERFLOW", "argument buffer overflow" },
        .{ "EAI_PROTOCOL", "resolved protocol is unknown" },
        .{ "EAI_SERVICE", "service not available for socket type" },
        .{ "EAI_SOCKTYPE", "socket type not supported" },
        .{ "EALREADY", "connection already in progress" },
        .{ "EBADF", "bad file descriptor" },
        .{ "EBUSY", "resource busy or locked" },
        .{ "ECANCELED", "operation canceled" },
        .{ "ECHARSET", "invalid Unicode character" },
        .{ "ECONNABORTED", "software caused connection abort" },
        .{ "ECONNREFUSED", "connection refused" },
        .{ "ECONNRESET", "connection reset by peer" },
        .{ "EDESTADDRREQ", "destination address required" },
        .{ "EEXIST", "file already exists" },
        .{ "EFAULT", "bad address in system call argument" },
        .{ "EFBIG", "file too large" },
        .{ "EHOSTUNREACH", "host is unreachable" },
        .{ "EINTR", "interrupted system call" },
        .{ "EINVAL", "invalid argument" },
        .{ "EIO", "i/o error" },
        .{ "EISCONN", "socket is already connected" },
        .{ "EISDIR", "illegal operation on a directory" },
        .{ "ELOOP", "too many symbolic links encountered" },
        .{ "EMFILE", "too many open files" },
        .{ "EMSGSIZE", "message too long" },
        .{ "ENAMETOOLONG", "name too long" },
        .{ "ENETDOWN", "network is down" },
        .{ "ENETUNREACH", "network is unreachable" },
        .{ "ENFILE", "file table overflow" },
        .{ "ENOBUFS", "no buffer space available" },
        .{ "ENODEV", "no such device" },
        .{ "ENOENT", "no such file or directory" },
        .{ "ENOMEM", "not enough memory" },
        .{ "ENONET", "machine is not on the network" },
        .{ "ENOPROTOOPT", "protocol not available" },
        .{ "ENOSPC", "no space left on device" },
        .{ "ENOSYS", "function not implemented" },
        .{ "ENOTCONN", "socket is not connected" },
        .{ "ENOTDIR", "not a directory" },
        .{ "ENOTEMPTY", "directory not empty" },
        .{ "ENOTSOCK", "socket operation on non-socket" },
        .{ "ENOTSUP", "operation not supported on socket" },
        .{ "EOVERFLOW", "value too large for defined data type" },
        .{ "EPERM", "operation not permitted" },
        .{ "EPIPE", "broken pipe" },
        .{ "EPROTO", "protocol error" },
        .{ "EPROTONOSUPPORT", "protocol not supported" },
        .{ "EPROTOTYPE", "protocol wrong type for socket" },
        .{ "ERANGE", "result too large" },
        .{ "EROFS", "read-only file system" },
        .{ "ESHUTDOWN", "cannot send after transport endpoint shutdown" },
        .{ "ESPIPE", "invalid seek" },
        .{ "ESRCH", "no such process" },
        .{ "ETIMEDOUT", "connection timed out" },
        .{ "ETXTBSY", "text file is busy" },
        .{ "EXDEV", "cross-device link not permitted" },
        .{ "UNKNOWN", "unknown error" },
        .{ "EOF", "end of file" },
        .{ "ENXIO", "no such device or address" },
        .{ "EMLINK", "too many links" },
        .{ "EHOSTDOWN", "host is down" },
        .{ "EREMOTEIO", "remote I/O error" },
        .{ "ENOTTY", "inappropriate ioctl for device" },
        .{ "EFTYPE", "inappropriate file type or format" },
        .{ "EILSEQ", "illegal byte sequence" },
        .{ "ESOCKTNOSUPPORT", "socket type not supported" },
        .{ "ENODATA", "no data available" },
        .{ "EUNATCH", "protocol driver not attached" },
    };
    var map = std.EnumMap(SystemErrno, [:0]const u8).initFull("unknown error");
    for (entries) |entry| {
        const key, const text = entry;
        if (@hasField(SystemErrno, key)) {
            map.put(@field(SystemErrno, key), text);
        }
    }

    // sanity check
    bun.assert(std.mem.eql(u8, map.get(SystemErrno.ENOENT).?, "no such file or directory"));

    break :brk map;
};

const bun = @import("bun");
const std = @import("std");
const SystemErrno = bun.sys.SystemErrno;