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