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-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=a8593f31bbf22793a2006616c2c91a2a0522a063;p=elogind.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 6b3c3d04d..cd3ae8d3a 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;                                    \
         })