macro: don't rely on C's downgrade-to-bool feature for numeric comparisons

2018-04-12 11:02:47 +02:00
parent 42ce5f75bf
commit ce2090ab72
1 changed files with 1 additions and 1 deletions
@@ -350,7 +350,7 @@ static inline unsigned long ALIGN_POWER2(unsigned long u) {
        ({                                              \
                typeof(x) _x_ = (x);                    \
                unsigned ans = 1;                       \
-                while (_x_ /= 10)                       \
+                while ((_x_ /= 10) != 0)                \
                        ans++;                          \
                ans;                                    \
        })