Forbid breaking lines inside the two branches of the ternary operator
and nesting them. Using it in these instances does not help readability.
Signed-off-by: Peter Krempa <pkre...@redhat.com>
---
docs/hacking.html.in | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/docs/hacking.html.in b/docs/hacking.html.in
index a2800853ef..fc4adae354 100644
--- a/docs/hacking.html.in
+++ b/docs/hacking.html.in
@@ -847,6 +847,17 @@ BAD:
if (!nfoos)
if (foos)
</pre>
+ <p>New code should avoid the ternary operator as much as possible.
+ Specifically it must never span more than one line or nest:
+ </p>
+<pre>
+BAD:
+ char *foo = baz ?
+ virDoSomethingReallyComplex(driver, vm, something, baz->foo) :
+ NULL;
+
+ char *foo = bar ? bar->baz ? bar->baz->foo : "nobaz" : "nobar";
+</pre>
<h2><a id="preprocessor">Preprocessor</a></h2>
--
2.21.0
--
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