Zig 0.17.0-dev (Split by item)

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peekBits

Decompress.peekBits

fn peekBits(d: *Decompress, n: u4) !u16

File

lib/std/compress/flate/Decompress.zig:526

Code

fn peekBits(d: *Decompress, n: u4) !u16 {
    const bits = d.input.peekInt(u32, .little) catch |e| return switch (e) {
        error.ReadFailed => error.ReadFailed,
        error.EndOfStream => d.peekBitsEnding(n),
    };
    const mask = @shlExact(@as(u16, 1), n) - 1;
    return @intCast((bits >> d.consumed_bits) & mask);
}