Commit c269e16c3b10afe24856f3ed788479afa34587ed | zig

1 files changed, 21 insertions(+), 1 deletions(-)

lib/std/mem.zig+21-1

...	...	@@ -1887,7 +1887,11 @@ test "writeIntBig and writeIntLittle" {
1887	1887	pub fn byteSwapAllFields(comptime S: type, ptr: *S) void {
1888	1888	if (@typeInfo(S) != .Struct) @compileError("byteSwapAllFields expects a struct as the first argument");
1889	1889	inline for (std.meta.fields(S)) \|f\| {
1890		@field(ptr, f.name) = @byteSwap(@field(ptr, f.name));
	1890	if (@typeInfo(f.type) == .Struct) {
	1891	byteSwapAllFields(f.type, &@field(ptr, f.name));
	1892	} else {
	1893	@field(ptr, f.name) = @byteSwap(@field(ptr, f.name));
	1894	}
1891	1895	}
1892	1896	}
1893	1897
...	...	@@ -1897,17 +1901,33 @@ test "byteSwapAllFields" {
1897	1901	f1: u16,
1898	1902	f2: u32,
1899	1903	};
	1904	const K = extern struct {
	1905	f0: u8,
	1906	f1: T,
	1907	f2: u16,
	1908	};
1900	1909	var s = T{
1901	1910	.f0 = 0x12,
1902	1911	.f1 = 0x1234,
1903	1912	.f2 = 0x12345678,
1904	1913	};
	1914	var k = K{
	1915	.f0 = 0x12,
	1916	.f1 = s,
	1917	.f2 = 0x1234,
	1918	};
1905	1919	byteSwapAllFields(T, &s);
	1920	byteSwapAllFields(K, &k);
1906	1921	try std.testing.expectEqual(T{
1907	1922	.f0 = 0x12,
1908	1923	.f1 = 0x3412,
1909	1924	.f2 = 0x78563412,
1910	1925	}, s);
	1926	try std.testing.expectEqual(K{
	1927	.f0 = 0x12,
	1928	.f1 = s,
	1929	.f2 = 0x3412,
	1930	}, k);
1911	1931	}
1912	1932
1913	1933	/// Returns an iterator that iterates over the slices of `buffer` that are not