aboutsummaryrefslogtreecommitdiff
path: root/src/liblzma/common/raw_encoder.c
diff options
context:
space:
mode:
authorLasse Collin <lasse.collin@tukaani.org>2007-12-09 00:42:33 +0200
committerLasse Collin <lasse.collin@tukaani.org>2007-12-09 00:42:33 +0200
commit5d018dc03549c1ee4958364712fb0c94e1bf2741 (patch)
tree1b211911fb33fddb3f04b77f99e81df23623ffc4 /src/liblzma/common/raw_encoder.c
downloadxz-5d018dc03549c1ee4958364712fb0c94e1bf2741.tar.xz
Imported to git.
Diffstat (limited to '')
-rw-r--r--src/liblzma/common/raw_encoder.c124
1 files changed, 124 insertions, 0 deletions
diff --git a/src/liblzma/common/raw_encoder.c b/src/liblzma/common/raw_encoder.c
new file mode 100644
index 00000000..c2cd0a51
--- /dev/null
+++ b/src/liblzma/common/raw_encoder.c
@@ -0,0 +1,124 @@
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file raw_encoder.c
+/// \brief Raw encoder initialization API
+//
+// 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.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#include "raw_encoder.h"
+#include "copy_coder.h"
+#include "simple_coder.h"
+#include "subblock_encoder.h"
+#include "delta_coder.h"
+#include "lzma_encoder.h"
+
+
+static lzma_init_function
+get_function(lzma_vli id)
+{
+ switch (id) {
+#ifdef HAVE_FILTER_COPY
+ case LZMA_FILTER_COPY:
+ return &lzma_copy_encoder_init;
+#endif
+
+#ifdef HAVE_FILTER_SUBBLOCK
+ case LZMA_FILTER_SUBBLOCK:
+ return &lzma_subblock_encoder_init;
+#endif
+
+#ifdef HAVE_FILTER_X86
+ case LZMA_FILTER_X86:
+ return &lzma_simple_x86_encoder_init;
+#endif
+
+#ifdef HAVE_FILTER_POWERPC
+ case LZMA_FILTER_POWERPC:
+ return &lzma_simple_powerpc_encoder_init;
+#endif
+
+#ifdef HAVE_FILTER_IA64
+ case LZMA_FILTER_IA64:
+ return &lzma_simple_ia64_encoder_init;
+#endif
+
+#ifdef HAVE_FILTER_ARM
+ case LZMA_FILTER_ARM:
+ return &lzma_simple_arm_encoder_init;
+#endif
+
+#ifdef HAVE_FILTER_ARMTHUMB
+ case LZMA_FILTER_ARMTHUMB:
+ return &lzma_simple_armthumb_encoder_init;
+#endif
+
+#ifdef HAVE_FILTER_SPARC
+ case LZMA_FILTER_SPARC:
+ return &lzma_simple_sparc_encoder_init;
+#endif
+
+#ifdef HAVE_FILTER_DELTA
+ case LZMA_FILTER_DELTA:
+ return &lzma_delta_encoder_init;
+#endif
+
+#ifdef HAVE_FILTER_LZMA
+ case LZMA_FILTER_LZMA:
+ return &lzma_lzma_encoder_init;
+#endif
+ }
+
+ return NULL;
+}
+
+
+extern lzma_ret
+lzma_raw_encoder_init(lzma_next_coder *next, lzma_allocator *allocator,
+ const lzma_options_filter *options,
+ lzma_vli uncompressed_size, bool allow_implicit)
+{
+ // lzma_raw_coder_init() accesses get_function() via function pointer,
+ // because this way linker doesn't statically link both encoder and
+ // decoder functions if user needs only encoder or decoder.
+ const lzma_ret ret = lzma_raw_coder_init(next, allocator,
+ options, uncompressed_size, &get_function,
+ allow_implicit, true);
+
+ if (ret != LZMA_OK)
+ lzma_next_coder_end(next, allocator);
+
+ return ret;
+}
+
+
+extern LZMA_API lzma_ret
+lzma_raw_encoder(lzma_stream *strm, const lzma_options_filter *options,
+ lzma_vli uncompressed_size, lzma_bool allow_implicit)
+{
+ return_if_error(lzma_strm_init(strm));
+
+ strm->internal->supported_actions[LZMA_RUN] = true;
+ strm->internal->supported_actions[LZMA_SYNC_FLUSH] = true;
+ strm->internal->supported_actions[LZMA_FINISH] = true;
+
+ const lzma_ret ret = lzma_raw_coder_init(&strm->internal->next,
+ strm->allocator, options, uncompressed_size,
+ &get_function, allow_implicit, true);
+
+ if (ret != LZMA_OK)
+ lzma_end(strm);
+
+ return ret;
+}