diff options
Diffstat (limited to 'Build/source/extra/xz/src/liblzma/common/filter_decoder.c')
-rw-r--r-- | Build/source/extra/xz/src/liblzma/common/filter_decoder.c | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/Build/source/extra/xz/src/liblzma/common/filter_decoder.c b/Build/source/extra/xz/src/liblzma/common/filter_decoder.c deleted file mode 100644 index 1ebbe2afef0..00000000000 --- a/Build/source/extra/xz/src/liblzma/common/filter_decoder.c +++ /dev/null @@ -1,183 +0,0 @@ -/////////////////////////////////////////////////////////////////////////////// -// -/// \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, 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, 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, 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); -} |