aboutsummaryrefslogtreecommitdiff
path: root/src/liblzma/delta/delta_private.h
diff options
context:
space:
mode:
authorLasse Collin <lasse.collin@tukaani.org>2008-12-01 16:30:11 +0200
committerLasse Collin <lasse.collin@tukaani.org>2008-12-01 16:30:11 +0200
commit656ec87882ee74b192c4ea4a233a235eca7b04d4 (patch)
treeb0d2b9cc96ebedc03d2b8f88d452a84417b1933e /src/liblzma/delta/delta_private.h
parentAutomake includes the m4 directory, so don't add it in (diff)
downloadxz-656ec87882ee74b192c4ea4a233a235eca7b04d4.tar.xz
Added lzma_delta_coder_memusage() which also validates
the options.
Diffstat (limited to 'src/liblzma/delta/delta_private.h')
-rw-r--r--src/liblzma/delta/delta_private.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/src/liblzma/delta/delta_private.h b/src/liblzma/delta/delta_private.h
new file mode 100644
index 00000000..e1d59340
--- /dev/null
+++ b/src/liblzma/delta/delta_private.h
@@ -0,0 +1,44 @@
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file delta_private.h
+/// \brief Private common stuff for Delta encoder and decoder
+//
+// Copyright (C) 2007 Lasse Collin
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library 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
+// Lesser General Public License for more details.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef LZMA_DELTA_PRIVATE_H
+#define LZMA_DELTA_PRIVATE_H
+
+#include "delta_common.h"
+
+struct lzma_coder_s {
+ /// Next coder in the chain
+ lzma_next_coder next;
+
+ /// Delta distance
+ size_t distance;
+
+ /// Position in history[]
+ uint8_t pos;
+
+ /// Buffer to hold history of the original data
+ uint8_t history[LZMA_DELTA_DIST_MAX];
+};
+
+
+extern lzma_ret lzma_delta_coder_init(
+ lzma_next_coder *next, lzma_allocator *allocator,
+ const lzma_filter_info *filters, lzma_code_function code);
+
+#endif