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authorpurpasmart96 <kanzoconfigz@hotmail.com>2015-02-13 05:57:02 +0100
committerpurpasmart96 <kanzoconfigz@hotmail.com>2015-02-17 00:12:05 +0100
commitc3c309f33dacf877f4d7d5308d2036a89f8f9387 (patch)
treea2f7d884935508052438eb312e0c8771f1e30732 /src/common
parentMerge pull request #569 from lioncash/modeswitch (diff)
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Diffstat (limited to 'src/common')
-rw-r--r--src/common/common_funcs.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/common/common_funcs.h b/src/common/common_funcs.h
index 44d8ae11f..4bbcc3571 100644
--- a/src/common/common_funcs.h
+++ b/src/common/common_funcs.h
@@ -35,6 +35,13 @@ template<> struct CompileTimeAssert<true> {};
#define CONCAT2(x, y) DO_CONCAT2(x, y)
#define DO_CONCAT2(x, y) x ## y
+// helper macro to properly align structure members.
+// Calling INSERT_PADDING_BYTES will add a new member variable with a name like "pad121",
+// depending on the current source line to make sure variable names are unique.
+#define INSERT_PADDING_BYTES_HELPER1(x, y) x ## y
+#define INSERT_PADDING_BYTES_HELPER2(x, y) INSERT_PADDING_BYTES_HELPER1(x, y)
+#define INSERT_PADDING_BYTES(num_words) u8 INSERT_PADDING_BYTES_HELPER2(pad, __LINE__)[(num_words)]
+
#ifndef _MSC_VER
#include <errno.h>