20 lines
469 B
Zig
20 lines
469 B
Zig
const mem = @import("mem.zig");
|
|
|
|
pub fn swapIfLe(comptime T: type, x: T) -> T {
|
|
swapIf(false, T, x)
|
|
}
|
|
|
|
pub fn swapIfBe(comptime T: type, x: T) -> T {
|
|
swapIf(true, T, x)
|
|
}
|
|
|
|
pub fn swapIf(is_be: bool, comptime T: type, x: T) -> T {
|
|
if (@compileVar("is_big_endian") == is_be) swap(T, x) else x
|
|
}
|
|
|
|
pub fn swap(comptime T: type, x: T) -> T {
|
|
var buf: [@sizeOf(T)]u8 = undefined;
|
|
mem.writeInt(buf[0...], x, false);
|
|
return mem.readInt(buf, T, true);
|
|
}
|