/usr/lib/mlton/include/util/align.h is in mlton-basis 20130715-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | /* Copyright (C) 1999-2005 Henry Cejtin, Matthew Fluet, Suresh
* Jagannathan, and Stephen Weeks.
* Copyright (C) 1997-2000 NEC Research Institute.
*
* MLton is released under a BSD-style license.
* See the file MLton-LICENSE for details.
*/
static inline bool isAligned (size_t a, size_t b) {
return 0 == a % b;
}
static inline bool isAlignedMax (uintmax_t a, uintmax_t b) {
return 0 == a % b;
}
static inline size_t alignDown (size_t a, size_t b) {
assert (b >= 1 && b == (b & -b));
a &= -b;
assert (isAligned (a, b));
return a;
}
static inline uintmax_t alignMaxDown (uintmax_t a, uintmax_t b) {
assert (b >= 1 && b == (b & -b));
a &= -b;
assert (isAlignedMax (a, b));
return a;
}
static inline size_t align (size_t a, size_t b) {
assert (b >= 1 && b == (b & -b));
a += b - 1;
a &= -b;
assert (isAligned (a, b));
return a;
}
static inline uintmax_t alignMax (uintmax_t a, uintmax_t b) {
assert (b >= 1 && b == (b & -b));
a += b - 1;
a &= -b;
assert (isAlignedMax (a, b));
return a;
}
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