Messages in this thread Patch in this message | | | From | Mikhail Zaslonko <> | Subject | [PATCH 1/8] lib/zlib: Adjust offset calculation for dfltcc_state | Date | Thu, 26 Jan 2023 14:14:21 +0100 |
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This commit is based on: https://github.com/zlib-ng/zlib-ng/commit/d8b67f5
Signed-off-by: Mikhail Zaslonko <zaslonko@linux.ibm.com> Acked-by: Ilya Leoshkevich <iii@linux.ibm.com> --- lib/zlib_dfltcc/dfltcc.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/lib/zlib_dfltcc/dfltcc.h b/lib/zlib_dfltcc/dfltcc.h index 2a2fac1d050a..1f63094366e9 100644 --- a/lib/zlib_dfltcc/dfltcc.h +++ b/lib/zlib_dfltcc/dfltcc.h @@ -100,8 +100,9 @@ struct dfltcc_state { char msg[64]; /* Buffer for strm->msg */ }; +#define ALIGN_UP(p, size) (__typeof__(p))(((uintptr_t)(p) + ((size) - 1)) & ~((size) - 1)) /* Resides right after inflate_state or deflate_state */ -#define GET_DFLTCC_STATE(state) ((struct dfltcc_state *)((state) + 1)) +#define GET_DFLTCC_STATE(state) ((struct dfltcc_state *)((char *)(state) + ALIGN_UP(sizeof(*state), 8))) /* External functions */ int dfltcc_can_deflate(z_streamp strm); -- 2.34.1
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