Commit 899e36489d68fba560122d9222693593cd92aa24 | zig

1 files changed, 8 insertions(+), 3 deletions(-)

std/endian.zig+8-3

...	...	@@ -2,11 +2,11 @@ const mem = @import("mem.zig");
2	2	const builtin = @import("builtin");
3	3
4	4	pub fn swapIfLe(comptime T: type, x: T) -> T {
5		return swapIf(false, T, x);
	5	return swapIf(builtin.Endian.Little, T, x);
6	6	}
7	7
8	8	pub fn swapIfBe(comptime T: type, x: T) -> T {
9		return swapIf(true, T, x);
	9	return swapIf(builtin.Endian.Big, T, x);
10	10	}
11	11
12	12	pub fn swapIf(endian: builtin.Endian, comptime T: type, x: T) -> T {
...	...	@@ -15,6 +15,11 @@ pub fn swapIf(endian: builtin.Endian, comptime T: type, x: T) -> T {
15	15
16	16	pub fn swap(comptime T: type, x: T) -> T {
17	17	var buf: [@sizeOf(T)]u8 = undefined;
18		mem.writeInt(buf[0..], x, false);
	18	mem.writeInt(buf[0..], x, builtin.Endian.Little);
19	19	return mem.readInt(buf, T, builtin.Endian.Big);
20	20	}
	21
	22	test "swap" {
	23	const debug = @import("debug/index.zig");
	24	debug.assert(swap(u32, 0xDEADBEEF) == 0xEFBEADDE);
	25	}