xnu-4903.270.47.tar.gz

[apple/xnu.git] / libkern / os / overflow.h

diff --git a/libkern/os/overflow.h b/libkern/os/overflow.h
index 05ddbef3923dc4b2487e42920a6d026e91376cb1..abf04917a93d8073890bd7861157262dadc90894 100644 (file)
--- a/libkern/os/overflow.h
+++ b/libkern/os/overflow.h
@@ -52,8 +52,8 @@ __os_warn_unused(__const bool x)
 }
 
 #if __has_builtin(__builtin_add_overflow) && \
-    __has_builtin(__builtin_sub_overflow) && \
-    __has_builtin(__builtin_mul_overflow)
+        __has_builtin(__builtin_sub_overflow) && \
+        __has_builtin(__builtin_mul_overflow)
 
 #define os_add_overflow(a, b, res) __os_warn_unused(__builtin_add_overflow((a), (b), (res)))
 #define os_sub_overflow(a, b, res) __os_warn_unused(__builtin_sub_overflow((a), (b), (res)))
@@ -71,35 +71,35 @@ __os_warn_unused(__const bool x)
 #else
 #define __OS_TYPE_CHECK(x, y) do { \
        _Static_assert(__builtin_types_compatible_p(__typeof(x),__typeof(y)), \
-                       "overflow arithmetic: incompatible types"); \
+                       "overflow arithmetic: incompatible types"); \
 } while (0)
 #endif
 
-#define __os_add_overflow_func(T,U,V) _Generic((T), \
-               unsigned:           __builtin_uadd_overflow, \
-               unsigned long:      __builtin_uaddl_overflow, \
-               unsigned long long: __builtin_uaddll_overflow, \
-               int:                __builtin_sadd_overflow, \
-               long:               __builtin_saddl_overflow, \
-               long long:          __builtin_saddll_overflow \
+#define __os_add_overflow_func(T, U, V) _Generic((T),\
+               unsigned:           __builtin_uadd_overflow, \
+               unsigned long:      __builtin_uaddl_overflow, \
+               unsigned long long: __builtin_uaddll_overflow, \
+               int:                __builtin_sadd_overflow, \
+               long:               __builtin_saddl_overflow, \
+               long long:          __builtin_saddll_overflow \
        )(T,U,V)
 
-#define __os_sub_overflow_func(T,U,V) _Generic((T), \
-               unsigned:           __builtin_usub_overflow, \
-               unsigned long:      __builtin_usubl_overflow, \
-               unsigned long long: __builtin_usubll_overflow, \
-               int:                __builtin_ssub_overflow, \
-               long:               __builtin_ssubl_overflow, \
-               long long:          __builtin_ssubll_overflow \
+#define __os_sub_overflow_func(T, U, V) _Generic((T),\
+               unsigned:           __builtin_usub_overflow, \
+               unsigned long:      __builtin_usubl_overflow, \
+               unsigned long long: __builtin_usubll_overflow, \
+               int:                __builtin_ssub_overflow, \
+               long:               __builtin_ssubl_overflow, \
+               long long:          __builtin_ssubll_overflow \
        )(T,U,V)
 
-#define __os_mul_overflow_func(T,U,V) _Generic((T), \
-               unsigned:           __builtin_umul_overflow, \
-               unsigned long:      __builtin_umull_overflow, \
-               unsigned long long: __builtin_umulll_overflow, \
-               int:                __builtin_smul_overflow, \
-               long:               __builtin_smull_overflow, \
-               long long:          __builtin_smulll_overflow \
+#define __os_mul_overflow_func(T, U, V) _Generic((T),\
+               unsigned:           __builtin_umul_overflow, \
+               unsigned long:      __builtin_umull_overflow, \
+               unsigned long long: __builtin_umulll_overflow, \
+               int:                __builtin_smul_overflow, \
+               long:               __builtin_smull_overflow, \
+               long long:          __builtin_smulll_overflow \
        )(T,U,V)
 
 #define os_add_overflow(a, b, res) __os_warn_unused(__extension__({ \