Commit 899e36489d
Changed files (1)
std
std/endian.zig
@@ -2,11 +2,11 @@ const mem = @import("mem.zig");
const builtin = @import("builtin");
pub fn swapIfLe(comptime T: type, x: T) -> T {
- return swapIf(false, T, x);
+ return swapIf(builtin.Endian.Little, T, x);
}
pub fn swapIfBe(comptime T: type, x: T) -> T {
- return swapIf(true, T, x);
+ return swapIf(builtin.Endian.Big, T, x);
}
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 {
pub fn swap(comptime T: type, x: T) -> T {
var buf: [@sizeOf(T)]u8 = undefined;
- mem.writeInt(buf[0..], x, false);
+ mem.writeInt(buf[0..], x, builtin.Endian.Little);
return mem.readInt(buf, T, builtin.Endian.Big);
}
+
+test "swap" {
+ const debug = @import("debug/index.zig");
+ debug.assert(swap(u32, 0xDEADBEEF) == 0xEFBEADDE);
+}