login: fix NULL-deref on wall_message

[elogind.git] / CODING_STYLE

diff --git a/CODING_STYLE b/CODING_STYLE
index dbadfbdb5441adf3ae53a0ebec458bf2726cd151..a96ddd35980fd11aa2cf81edfee01f77d1f1a496 100644 (file)
--- a/CODING_STYLE
+++ b/CODING_STYLE
@@ -314,3 +314,10 @@
   are always defined after more global ones. Thus, our local
   definitions will never "leak" into the global header files, possibly
   altering their effect due to #ifdeffery.
+
+- To implement an endless loop, use "for (;;)" rather than "while
+  (1)". The latter is a bit ugly anyway, since you probably really
+  meant "while (true)"... To avoid the discussion what the right
+  always-true expression for an infinite while() loop is our
+  recommendation is to simply write it without any such expression by
+  using "for (;;)".