Function readAtLeast [src]

Use this function to increase their_end.

Prototype

pub fn readAtLeast(d: *Decoder, stream: anytype, their_amt: usize) !void

Parameters

d: *Decodertheir_amt: usize

Source

  pub fn readAtLeast(d: *Decoder, stream: anytype, their_amt: usize) !void {
    assert(!d.disable_reads);
    const existing_amt = d.cap - d.idx;
    d.their_end = d.idx + their_amt;
    if (their_amt <= existing_amt) return;
    const request_amt = their_amt - existing_amt;
    const dest = d.buf[d.cap..];
    if (request_amt > dest.len) return error.TlsRecordOverflow;
    const actual_amt = try stream.readAtLeast(dest, request_amt);
    if (actual_amt < request_amt) return error.TlsConnectionTruncated;
    d.cap += actual_amt;
}  