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std: refactor to use Alignment.of

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This commit is contained in:
Andrew Kelley 2025-07-09 23:07:18 -07:00
parent 36cf22c55c
commit 40d74e4287
3 changed files with 3 additions and 3 deletions
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2
lib/std/heap.zig
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@ -287,7 +287,7 @@ fn rawCAlloc(
) ?[*]u8 {
_ = context;
_ = return_address;
assert(alignment.compare(.lte, comptime .fromByteUnits(@alignOf(std.c.max_align_t))));
assert(alignment.compare(.lte, .of(std.c.max_align_t)));
// Note that this pointer cannot be aligncasted to max_align_t because if
// len is < max_align_t then the alignment can be smaller. For example, if
// max_align_t is 16, but the user requests 8 bytes, there is no built-in

2
lib/std/heap/arena_allocator.zig
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@ -42,7 +42,7 @@ pub const ArenaAllocator = struct {
data: usize,
node: std.SinglyLinkedList.Node = .{},
};
const BufNode_alignment: Alignment = .fromByteUnits(@alignOf(BufNode));
const BufNode_alignment: Alignment = .of(BufNode);
pub fn init(child_allocator: Allocator) ArenaAllocator {
return (State{}).promote(child_allocator);

2
lib/std/mem/Allocator.zig
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@ -253,7 +253,7 @@ pub inline fn allocAdvancedWithRetAddr(
n: usize,
return_address: usize,
) Error![]align(if (alignment) |a| a.toByteUnits() else @alignOf(T)) T {
const a = comptime (alignment orelse Alignment.fromByteUnits(@alignOf(T)));
const a = comptime (alignment orelse Alignment.of(T));
const ptr: [*]align(a.toByteUnits()) T = @ptrCast(try self.allocWithSizeAndAlignment(@sizeOf(T), a, n, return_address));
return ptr[0..n];
}