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author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2022-05-27 03:51:47 +0200 |
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committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2022-05-31 20:40:20 +0200 |
commit | 4c8d7caf1a6fbc9abac627ddf974ed219258f9a8 (patch) | |
tree | 397dbb52cb9a6a068379a81531022721eda35853 /src/fundamental/macro-fundamental.h | |
parent | tree-wide: use ALIGN_PTR() (diff) | |
download | systemd-4c8d7caf1a6fbc9abac627ddf974ed219258f9a8.tar.xz systemd-4c8d7caf1a6fbc9abac627ddf974ed219258f9a8.zip |
macro: make ALIGN4() and ALIGN8() also return SIZE_MAX on overflow
This also drops unused ALIGN4_PTR(), ALIGN8_PTR(), and ALIGN_TO_PTR().
Diffstat (limited to '')
-rw-r--r-- | src/fundamental/macro-fundamental.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/fundamental/macro-fundamental.h b/src/fundamental/macro-fundamental.h index 59d63e8e5d..3e4d4f0111 100644 --- a/src/fundamental/macro-fundamental.h +++ b/src/fundamental/macro-fundamental.h @@ -321,6 +321,14 @@ static inline size_t ALIGN_TO(size_t l, size_t ali) { return ((l + ali - 1) & ~(ali - 1)); } +#define ALIGN4(l) ALIGN_TO(l, 4) +#define ALIGN8(l) ALIGN_TO(l, 8) +#ifndef SD_BOOT +/* libefi also provides ALIGN, and we do not use them in sd-boot explicitly. */ +#define ALIGN(l) ALIGN_TO(l, sizeof(void*)) +#define ALIGN_PTR(p) ((void*) ALIGN((uintptr_t) (p))) +#endif + /* Same as ALIGN_TO but callable in constant contexts. */ #define CONST_ALIGN_TO(l, ali) \ __builtin_choose_expr( \ |