docs: coding-style: One variable declaration per line

This was not mentioned before.

Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>

diff --git a/docs/coding-style.rst b/docs/coding-style.rst
index af928a16c03011ada84db7f2bb867c6ec01b57e6..cb23751721bfd7384a6bf4f17ca44155a9e96c94 100644 (file)
--- a/docs/coding-style.rst
+++ b/docs/coding-style.rst
@@ -600,6 +600,19 @@ calling another function.
         ...
     }
 
+Prefer variable definitions on separate lines. This allows for smaller,
+easier to understand diffs when changing them. Define variables in the
+smallest possible scope.
+
+::
+
+  GOOD:
+    int count = 0;
+    int nnodes;
+
+  BAD:
+    int count = 0, nnodes;
+
 Attribute annotations
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