1 files changed, 25 insertions, 0 deletions
diff --git a/system/libraries/os/disk.zig b/system/libraries/os/disk.zig
new file mode 100644
index 0000000..9a43c26
--- /dev/null
+++ b/system/libraries/os/disk.zig
@@ -0,0 +1,25 @@
+//! Disk information
+
+const sys = @import("sys");
+const types = @import("types.zig");
+
+const ERROR_RESULT: u64 = @bitCast(@as(i64, -1));
+
+pub fn info() ?types.DiskInfo {
+    var total: u64 = 0;
+    var used: u64 = 0;
+
+    const result = sys.syscall(.diskinfo, .{
+        @intFromPtr(&total),
+        @intFromPtr(&used),
+    });
+
+    if (result == ERROR_RESULT) {
+        return null;
+    }
+
+    return types.DiskInfo{
+        .total = total,
+        .used = used,
+    };
+}