From afdebdc163268bfc31d927cdfbbf92ed1aa93a6f Mon Sep 17 00:00:00 2001
From: Michael Brown
Date: Fri, 10 Mar 2017 15:40:17 +0000
Subject: [build] Provide common ARRAY_SIZE() definition

Several files define the ARRAY_SIZE() macro as used in Linux.  Provide
a common definition for this in include/compiler.h.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
---
 src/include/compiler.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/include')

diff --git a/src/include/compiler.h b/src/include/compiler.h
index 4924c7ef5..56a5f63d5 100644
--- a/src/include/compiler.h
+++ b/src/include/compiler.h
@@ -655,6 +655,13 @@ char __debug_disable(OBJECT) = ( DBGLVL_MAX & ~DBGLVL_DFLT );
 #define barrier() __asm__ __volatile__ ( "" : : : "memory" )
 #endif /* ASSEMBLY */
 
+/**
+ * Array size
+ */
+#ifndef ASSEMBLY
+#define ARRAY_SIZE(array) ( sizeof (array) / sizeof ( (array)[0] ) )
+#endif /* ASSEMBLY */
+
 /**
  * @defgroup licences Licence declarations
  *
-- 
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