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authorJörg Frings-Fürst <debian@jff-webhosting.net>2020-08-24 18:44:51 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2020-08-24 18:44:51 +0200
commitad38bc6ecb80ddeb562841b33258dd53659b1da6 (patch)
treee02e9c3ff760554fd87f70df0e18b88594091a48 /backend/genesys/buffer.cpp
parent9c23ed018d72eed2554f4f9cff1ae6e6bb0cd479 (diff)
New upstream version 1.0.31upstream/1.0.31
Diffstat (limited to 'backend/genesys/buffer.cpp')
-rw-r--r--backend/genesys/buffer.cpp102
1 files changed, 0 insertions, 102 deletions
diff --git a/backend/genesys/buffer.cpp b/backend/genesys/buffer.cpp
deleted file mode 100644
index f17e361..0000000
--- a/backend/genesys/buffer.cpp
+++ /dev/null
@@ -1,102 +0,0 @@
-/* sane - Scanner Access Now Easy.
-
- Copyright (C) 2019 Povilas Kanapickas <povilas@radix.lt>
-
- This file is part of the SANE package.
-
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA.
-
- As a special exception, the authors of SANE give permission for
- additional uses of the libraries contained in this release of SANE.
-
- The exception is that, if you link a SANE library with other files
- to produce an executable, this does not by itself cause the
- resulting executable to be covered by the GNU General Public
- License. Your use of that executable is in no way restricted on
- account of linking the SANE library code into it.
-
- This exception does not, however, invalidate any other reasons why
- the executable file might be covered by the GNU General Public
- License.
-
- If you submit changes to SANE to the maintainers to be included in
- a subsequent release, you agree by submitting the changes that
- those changes may be distributed with this exception intact.
-
- If you write modifications of your own for SANE, it is your choice
- whether to permit this exception to apply to your modifications.
- If you do not wish that, delete this exception notice.
-*/
-
-#include "buffer.h"
-#include <cstring>
-#include <stdexcept>
-
-namespace genesys {
-
-void Genesys_Buffer::alloc(std::size_t size)
-{
- buffer_.resize(size);
- avail_ = 0;
- pos_ = 0;
-}
-
-void Genesys_Buffer::clear()
-{
- buffer_.clear();
- avail_ = 0;
- pos_ = 0;
-}
-
-void Genesys_Buffer::reset()
-{
- avail_ = 0;
- pos_ = 0;
-}
-
-std::uint8_t* Genesys_Buffer::get_write_pos(std::size_t size)
-{
- if (avail_ + size > buffer_.size())
- return nullptr;
- if (pos_ + avail_ + size > buffer_.size())
- {
- std::memmove(buffer_.data(), buffer_.data() + pos_, avail_);
- pos_ = 0;
- }
- return buffer_.data() + pos_ + avail_;
-}
-
-std::uint8_t* Genesys_Buffer::get_read_pos()
-{
- return buffer_.data() + pos_;
-}
-
-void Genesys_Buffer::produce(std::size_t size)
-{
- if (size > buffer_.size() - avail_)
- throw std::runtime_error("buffer size exceeded");
- avail_ += size;
-}
-
-void Genesys_Buffer::consume(std::size_t size)
-{
- if (size > avail_)
- throw std::runtime_error("no more data in buffer");
- avail_ -= size;
- pos_ += size;
-}
-
-} // namespace genesys