diff options
Diffstat (limited to 'src/common/common_funcs.h')
| -rw-r--r-- | src/common/common_funcs.h | 7 |
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> |