CODING_STYLE: Section about mixed declarations
We had an unwritten rule about declarations having to be at beginning of
blocks. Make it a written rule.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
diff --git a/CODING_STYLE b/CODING_STYLE
index dcbce28..4280945 100644
--- a/CODING_STYLE
+++ b/CODING_STYLE
@@ -84,3 +84,10 @@
Rationale: a consistent (except for functions...) bracing style reduces
ambiguity and avoids needless churn when lines are added or removed.
Furthermore, it is the QEMU coding style.
+
+5. Declarations
+
+Mixed declarations (interleaving statements and declarations within blocks)
+are not allowed; declarations should be at the beginning of blocks. In other
+words, the code should not generate warnings if using GCC's
+-Wdeclaration-after-statement option.
