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 <[email protected]> Reviewed-by: Stefan Weil <[email protected]> Reviewed-by: Markus Armbruster <[email protected]> Reviewed-by: Peter Maydell <[email protected]> Signed-off-by: Michael Tokarev <[email protected]>
tfateba · Mar 27, 2014 · e939c6e · e939c6e
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@@ -84,3 +84,10 @@ and clarity it comes on a line by itself:
 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.