From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 11 Apr 2018 19:36:52 +0000 (+0200)
Subject: macro: don't rely on C's downgrade-to-bool feature for numeric comparisons
X-Git-Tag: v239~417^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=ce2090ab72bf629f896f37b039135c064ea8a29f;p=thirdparty%2Fsystemd.git

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

diff --git a/src/basic/macro.h b/src/basic/macro.h
index 6b3c3d04df9..cd3ae8d3ab7 100644
--- a/src/basic/macro.h
+++ b/src/basic/macro.h
@@ -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;                                    \
         })