diff options
Diffstat (limited to 'src/shared/macro.h')
-rw-r--r-- | src/shared/macro.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/shared/macro.h b/src/shared/macro.h index f884bf653f..84a453a8f2 100644 --- a/src/shared/macro.h +++ b/src/shared/macro.h @@ -53,7 +53,18 @@ #define STRINGIFY(x) XSTRINGIFY(x) /* Rounds up */ -#define ALIGN(l) ALIGN_TO((l), sizeof(void*)) + +#define ALIGN4(l) (((l) + 3) & ~3) +#define ALIGN8(l) (((l) + 7) & ~7) + +#if __SIZEOF_POINTER__ == 8 +#define ALIGN(l) ALIGN8(l) +#elif __SIZEOF_POINTER__ == 4 +#define ALIGN(l) ALIGN4(l) +#else +#error "Wut? Pointers are neither 4 nor 8 bytes long?" +#endif + static inline size_t ALIGN_TO(size_t l, size_t ali) { return ((l + ali - 1) & ~(ali - 1)); } |