diff options
Diffstat (limited to 'gnuradio-core/src/lib/runtime/gr_buffer.cc')
| -rw-r--r-- | gnuradio-core/src/lib/runtime/gr_buffer.cc | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gnuradio-core/src/lib/runtime/gr_buffer.cc b/gnuradio-core/src/lib/runtime/gr_buffer.cc index d3d123096..e06786880 100644 --- a/gnuradio-core/src/lib/runtime/gr_buffer.cc +++ b/gnuradio-core/src/lib/runtime/gr_buffer.cc @@ -179,11 +179,14 @@ gr_buffer::update_write_pointer (int nitems) } gr_buffer_reader_sptr -gr_buffer_add_reader (gr_buffer_sptr buf, int history) +gr_buffer_add_reader (gr_buffer_sptr buf, int nzero_preload) { + if (nzero_preload < 0) + throw std::invalid_argument("gr_buffer_add_reader: nzero_preload must be >= 0"); + gr_buffer_reader_sptr r (new gr_buffer_reader (buf, buf->index_sub(buf->d_write_index, - history-1))); + nzero_preload))); buf->d_readers.push_back (r.get ()); return r; |