#define __cmp(op, x, y)        ((x) __cmp_op_##op (y) ? (x) : (y))
 
 #define __cmp_once(op, x, y, unique_x, unique_y) ({    \
-               typeof(x) unique_x = (x);               \
-               typeof(y) unique_y = (y);               \
-               static_assert(__types_ok(x, y),         \
-                       #op "(" #x ", " #y ") signedness error, fix types or consider u" #op "() before " #op "_t()"); \
-               __cmp(op, unique_x, unique_y); })
+       typeof(x) unique_x = (x);                       \
+       typeof(y) unique_y = (y);                       \
+       static_assert(__types_ok(x, y),                 \
+               #op "(" #x ", " #y ") signedness error, fix types or consider u" #op "() before " #op "_t()"); \
+       __cmp(op, unique_x, unique_y); })
 
 #define __careful_cmp(op, x, y)                                        \
        __builtin_choose_expr(__is_constexpr((x) - (y)),        \
 #define __clamp(val, lo, hi)   \
        ((val) >= (hi) ? (hi) : ((val) <= (lo) ? (lo) : (val)))
 
-#define __clamp_once(val, lo, hi, unique_val, unique_lo, unique_hi) ({ \
-               typeof(val) unique_val = (val);                         \
-               typeof(lo) unique_lo = (lo);                            \
-               typeof(hi) unique_hi = (hi);                            \
-               static_assert(__builtin_choose_expr(__is_constexpr((lo) > (hi)),        \
-                               (lo) <= (hi), true),                                    \
-                       "clamp() low limit " #lo " greater than high limit " #hi);      \
-               static_assert(__types_ok(val, lo), "clamp() 'lo' signedness error");    \
-               static_assert(__types_ok(val, hi), "clamp() 'hi' signedness error");    \
-               __clamp(unique_val, unique_lo, unique_hi); })
+#define __clamp_once(val, lo, hi, unique_val, unique_lo, unique_hi) ({         \
+       typeof(val) unique_val = (val);                                         \
+       typeof(lo) unique_lo = (lo);                                            \
+       typeof(hi) unique_hi = (hi);                                            \
+       static_assert(__builtin_choose_expr(__is_constexpr((lo) > (hi)),        \
+                       (lo) <= (hi), true),                                    \
+               "clamp() low limit " #lo " greater than high limit " #hi);      \
+       static_assert(__types_ok(val, lo), "clamp() 'lo' signedness error");    \
+       static_assert(__types_ok(val, hi), "clamp() 'hi' signedness error");    \
+       __clamp(unique_val, unique_lo, unique_hi); })
 
 #define __careful_clamp(val, lo, hi) ({                                        \
        __builtin_choose_expr(__is_constexpr((val) - (lo) + (hi)),      \