feat: trying to do printing

src/term.zig

@@ -0,0 +1,52 @@
+const std = @import("std");
+const builtin = @import("builtin");
+
+const Dimensions = struct { width: u16, height: u16 };
+
+const Error = error{ UnsupportedOs, ErrorFetchingDimensions };
+
+pub fn getTerminalDimensions() !Dimensions {
+    const os_tag = builtin.os.tag;
+
+    switch (os_tag) {
+        .linux, .macos, .freebsd, .openbsd, .netbsd => {
+            return try getUnixTerminalDimensions();
+        },
+        .windows => {
+            return try getWindowsTerminalDimensions();
+        },
+        else => {
+            return Error.UnsupportedOs;
+        }
+    }
+}
+
+fn getUnixTerminalDimensions() !Dimensions {
+    const os = std.os;
+
+    const size: os.linux.winsize = undefined;
+    const fd = std.io.getStdOut().handle;
+
+    _ = os.linux.ioctl(fd, os.linux.T.IOCSWINSZ, @intFromPtr(&size));
+
+    return Dimensions{ .width = size.ws_col, .height = size.ws_row };
+}
+
+fn getWindowsTerminalDimensions() !Dimensions {
+    const win = std.os.windows;
+    const handle = win.GetStdHandle(win.STD_OUTPUT_HANDLE) catch return Error.ErrorFetchingDimensions;
+
+    var csbi: win.CONSOLE_SCREEN_BUFFER_INFO = undefined;
+
+    if (win.kernel32.GetConsoleScreenBufferInfo(handle, &csbi) == 0) {
+        return Error.ErrorFetchingDimensions;
+    }
+
+    const width = csbi.srWindow.Right - csbi.srWindow.Left + 1;
+    const height = csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
+
+    return Dimensions{
+        .width = @intCast(width),
+        .height = @intCast(height),
+    };
+}