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📄 alone_decoder.c(5.53 KB)
📄 alone_decoder.h(601 B)
📄 alone_encoder.c(3.66 KB)
📄 auto_decoder.c(4.79 KB)
📄 block_buffer_decoder.c(2.31 KB)
📄 block_buffer_encoder.c(9.89 KB)
📄 block_buffer_encoder.h(763 B)
📄 block_decoder.c(6.82 KB)
📄 block_decoder.h(576 B)
📄 block_encoder.c(5.63 KB)
📄 block_encoder.h(1.85 KB)
📄 block_header_decoder.c(3.62 KB)
📄 block_header_encoder.c(3.27 KB)
📄 block_util.c(2.58 KB)
📄 common.c(10.4 KB)
📄 common.h(10.22 KB)
📄 easy_buffer_encoder.c(840 B)
📄 easy_decoder_memusage.c(668 B)
📄 easy_encoder.c(678 B)
📄 easy_encoder_memusage.c(654 B)
📄 easy_preset.c(727 B)
📄 easy_preset.h(921 B)
📄 filter_buffer_decoder.c(2.45 KB)
📄 filter_buffer_encoder.c(1.5 KB)
📄 filter_common.c(8.5 KB)
📄 filter_common.h(1.23 KB)
📄 filter_decoder.c(4.32 KB)
📄 filter_decoder.h(617 B)
📄 filter_encoder.c(7.17 KB)
📄 filter_encoder.h(732 B)
📄 filter_flags_decoder.c(1.16 KB)
📄 filter_flags_encoder.c(1.37 KB)
📄 hardware_cputhreads.c(526 B)
📄 hardware_physmem.c(683 B)
📄 index.c(34.61 KB)
📄 index.h(1.93 KB)
📄 index_decoder.c(8.4 KB)
📄 index_encoder.c(5.72 KB)
📄 index_encoder.h(584 B)
📄 index_hash.c(8.77 KB)
📄 memcmplen.h(4.71 KB)
📄 outqueue.c(4.48 KB)
📄 outqueue.h(4.88 KB)
📄 stream_buffer_decoder.c(2.72 KB)
📄 stream_buffer_encoder.c(3.96 KB)
📄 stream_decoder.c(12.7 KB)
📄 stream_decoder.h(599 B)
📄 stream_encoder.c(9.63 KB)
📄 stream_encoder_mt.c(29.64 KB)
📄 stream_flags_common.c(1.29 KB)
📄 stream_flags_common.h(883 B)
📄 stream_flags_decoder.c(2.23 KB)
📄 stream_flags_encoder.c(2.01 KB)
📄 vli_decoder.c(2.5 KB)
📄 vli_encoder.c(1.89 KB)
📄 vli_size.c(630 B)

Editing: filter_decoder.c

///////////////////////////////////////////////////////////////////////////////
//
/// \file       filter_decoder.c
/// \brief      Filter ID mapping to filter-specific functions
//
//  Author:     Lasse Collin
//
//  This file has been put into the public domain.
//  You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////

#include "filter_decoder.h"
#include "filter_common.h"
#include "lzma_decoder.h"
#include "lzma2_decoder.h"
#include "simple_decoder.h"
#include "delta_decoder.h"

typedef struct {
	/// Filter ID
	lzma_vli id;

/// Initializes the filter encoder and calls lzma_next_filter_init()
	/// for filters + 1.
	lzma_init_function init;

/// Calculates memory usage of the encoder. If the options are
	/// invalid, UINT64_MAX is returned.
	uint64_t (*memusage)(const void *options);

/// Decodes Filter Properties.
	///
	/// \return     - LZMA_OK: Properties decoded successfully.
	///             - LZMA_OPTIONS_ERROR: Unsupported properties
	///             - LZMA_MEM_ERROR: Memory allocation failed.
	lzma_ret (*props_decode)(
			void **options, const lzma_allocator *allocator,
			const uint8_t *props, size_t props_size);

} lzma_filter_decoder;

static const lzma_filter_decoder decoders[] = {
#ifdef HAVE_DECODER_LZMA1
	{
		.id = LZMA_FILTER_LZMA1,
		.init = &lzma_lzma_decoder_init,
		.memusage = &lzma_lzma_decoder_memusage,
		.props_decode = &lzma_lzma_props_decode,
	},
#endif
#ifdef HAVE_DECODER_LZMA2
	{
		.id = LZMA_FILTER_LZMA2,
		.init = &lzma_lzma2_decoder_init,
		.memusage = &lzma_lzma2_decoder_memusage,
		.props_decode = &lzma_lzma2_props_decode,
	},
#endif
#ifdef HAVE_DECODER_X86
	{
		.id = LZMA_FILTER_X86,
		.init = &lzma_simple_x86_decoder_init,
		.memusage = NULL,
		.props_decode = &lzma_simple_props_decode,
	},
#endif
#ifdef HAVE_DECODER_POWERPC
	{
		.id = LZMA_FILTER_POWERPC,
		.init = &lzma_simple_powerpc_decoder_init,
		.memusage = NULL,
		.props_decode = &lzma_simple_props_decode,
	},
#endif
#ifdef HAVE_DECODER_IA64
	{
		.id = LZMA_FILTER_IA64,
		.init = &lzma_simple_ia64_decoder_init,
		.memusage = NULL,
		.props_decode = &lzma_simple_props_decode,
	},
#endif
#ifdef HAVE_DECODER_ARM
	{
		.id = LZMA_FILTER_ARM,
		.init = &lzma_simple_arm_decoder_init,
		.memusage = NULL,
		.props_decode = &lzma_simple_props_decode,
	},
#endif
#ifdef HAVE_DECODER_ARMTHUMB
	{
		.id = LZMA_FILTER_ARMTHUMB,
		.init = &lzma_simple_armthumb_decoder_init,
		.memusage = NULL,
		.props_decode = &lzma_simple_props_decode,
	},
#endif
#ifdef HAVE_DECODER_SPARC
	{
		.id = LZMA_FILTER_SPARC,
		.init = &lzma_simple_sparc_decoder_init,
		.memusage = NULL,
		.props_decode = &lzma_simple_props_decode,
	},
#endif
#ifdef HAVE_DECODER_DELTA
	{
		.id = LZMA_FILTER_DELTA,
		.init = &lzma_delta_decoder_init,
		.memusage = &lzma_delta_coder_memusage,
		.props_decode = &lzma_delta_props_decode,
	},
#endif
};

static const lzma_filter_decoder *
decoder_find(lzma_vli id)
{
	for (size_t i = 0; i < ARRAY_SIZE(decoders); ++i)
		if (decoders[i].id == id)
			return decoders + i;

return NULL;
}

extern LZMA_API(lzma_bool)
lzma_filter_decoder_is_supported(lzma_vli id)
{
	return decoder_find(id) != NULL;
}

extern lzma_ret
lzma_raw_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
		const lzma_filter *options)
{
	return lzma_raw_coder_init(next, allocator,
			options, (lzma_filter_find)(&decoder_find), false);
}

extern LZMA_API(lzma_ret)
lzma_raw_decoder(lzma_stream *strm, const lzma_filter *options)
{
	lzma_next_strm_init(lzma_raw_decoder_init, strm, options);

strm->internal->supported_actions[LZMA_RUN] = true;
	strm->internal->supported_actions[LZMA_FINISH] = true;

return LZMA_OK;
}

extern LZMA_API(uint64_t)
lzma_raw_decoder_memusage(const lzma_filter *filters)
{
	return lzma_raw_coder_memusage(
			(lzma_filter_find)(&decoder_find), filters);
}

extern LZMA_API(lzma_ret)
lzma_properties_decode(lzma_filter *filter, const lzma_allocator *allocator,
		const uint8_t *props, size_t props_size)
{
	// Make it always NULL so that the caller can always safely free() it.
	filter->options = NULL;

const lzma_filter_decoder *const fd = decoder_find(filter->id);
	if (fd == NULL)
		return LZMA_OPTIONS_ERROR;

if (fd->props_decode == NULL)
		return props_size == 0 ? LZMA_OK : LZMA_OPTIONS_ERROR;

return fd->props_decode(
			&filter->options, allocator, props, props_size);
}

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Editing: filter_decoder.c

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