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fix: cast ioctl result based on syscall result type

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Jackson Netherwood-Imig
2026-04-17 15:12:36 -07:00
parent 82eef6149b
commit 8a40ca1678
1 changed files with 7 additions and 2 deletions
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src/sys.zig
+7 -2
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@@ -4,13 +4,18 @@ const IOCTL = std.os.linux.IOCTL;
pub const IoctlError = std.Io.Cancelable || std.posix.UnexpectedError; pub const IoctlError = std.Io.Cancelable || std.posix.UnexpectedError;
pub fn ioctl(file: std.Io.File, io: std.Io, request: Request, arg: ?*anyopaque) IoctlError!void { pub fn ioctl(file: std.Io.File, io: std.Io, request: Request, arg: ?*anyopaque) IoctlError!void {
const rc = try io.operate(.{ .device_io_control = .{ const result = try io.operate(.{ .device_io_control = .{
.file = file, .file = file,
.code = @intFromEnum(request), .code = @intFromEnum(request),
.arg = arg, .arg = arg,
} }); } });
return switch (std.posix.errno(@bitCast(@as(isize, rc.device_io_control)))) { const rc = if (@import("builtin").link_libc)
@as(c_int, @intCast(result.device_io_control))
else
@as(usize, @bitCast(@as(isize, @intCast(result.device_io_control))));
return switch (std.posix.errno(rc)) {
.SUCCESS => {}, .SUCCESS => {},
else => |e| std.posix.unexpectedErrno(e), else => |e| std.posix.unexpectedErrno(e),
}; };