Added lzma_easy_* functions. These should make using

liblzma as easy as using zlib, because the easy API
don't require developers to know any fancy LZMA options.

Note that Multi-Block Stream encoding is currently broken.
The easy API should be OK, the bug(s) are elsewhere.

1 files changed, 37 insertions, 0 deletions

diff --git a/src/liblzma/common/easy_single.c b/src/liblzma/common/easy_single.c
new file mode 100644
index 00000000..e2fa4e13
--- /dev/null
+++ b/src/liblzma/common/easy_single.c
@@ -0,0 +1,37 @@
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file       easy_single.c
+/// \brief      Easy Single-Block Stream encoder initialization
+//
+//  Copyright (C) 2008 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.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#include "easy_common.h"
+
+
+extern LZMA_API lzma_ret
+lzma_easy_encoder_single(lzma_stream *strm, lzma_easy_level level)
+{
+	lzma_options_stream opt_stream = {
+		.check = LZMA_CHECK_CRC32,
+		.has_crc32 = true,
+		.uncompressed_size = LZMA_VLI_VALUE_UNKNOWN,
+		.alignment = 0,
+	};
+
+	if (lzma_easy_set_filters(opt_stream.filters, level))
+		return LZMA_HEADER_ERROR;
+
+	return lzma_stream_encoder_single(strm, &opt_stream);
+}