Zig 0.17.0-dev (Split by item)

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discardIndirect

Decompress.discardIndirect

fn discardIndirect(r: *Reader, limit: std.Io.Limit) Reader.Error!usize

File

lib/std/compress/zstd/Decompress.zig:182

Code

fn discardIndirect(r: *Reader, limit: std.Io.Limit) Reader.Error!usize {
    const d: *Decompress = @alignCast(@fieldParentPtr("reader", r));
    rebaseForDiscard(d, limit);
    var writer: Writer = .{
        .buffer = r.buffer,
        .end = r.end,
        .vtable = &.{ .drain = Writer.unreachableDrain },
    };
    {
        defer r.end = writer.end;
        _ = stream(d, &writer, .limited(writer.buffer.len - writer.end)) catch |err| switch (err) {
            error.WriteFailed => unreachable,
            else => |e| return e,
        };
    }
    const n = limit.minInt(r.end - r.seek);
    r.seek += n;
    return n;
}