From e18ae5b371c29e231ec444facf006f40b605e66f Mon Sep 17 00:00:00 2001 From: Lucas Schwiderski Date: Tue, 18 Oct 2022 18:25:35 +0200 Subject: [PATCH] feat: Implement oodle-cli --- .gitignore | 5 + LICENSE | 675 ++++++++++++++++++++++++++++++++++++++ README.adoc | 10 + oodle-cli.cpp | 118 +++++++ oodle-cli.sln | 31 ++ oodle-cli.vcxproj | 138 ++++++++ oodle-cli.vcxproj.filters | 30 ++ oodle-cli.vcxproj.user | 7 + oodle2.h | 268 +++++++++++++++ 9 files changed, 1282 insertions(+) create mode 100644 .gitignore create mode 100644 LICENSE create mode 100644 README.adoc create mode 100644 oodle-cli.cpp create mode 100644 oodle-cli.sln create mode 100644 oodle-cli.vcxproj create mode 100644 oodle-cli.vcxproj.filters create mode 100644 oodle-cli.vcxproj.user create mode 100644 oodle2.h diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..0f0b22e --- /dev/null +++ b/.gitignore @@ -0,0 +1,5 @@ +/.vs +/x64 +/test +/oo2core_8_win64.dll +/oo2net_9_win64.dll diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..53d1f3d --- /dev/null +++ b/LICENSE @@ -0,0 +1,675 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + Copyright (C) + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. + diff --git a/README.adoc b/README.adoc new file mode 100644 index 0000000..4ade844 --- /dev/null +++ b/README.adoc @@ -0,0 +1,10 @@ += oodle-cli + +A small wrapper around the Oodle library to allow decompressing data through a command line interface. +The goal is to make Oodle decompression easily available in a Unix environment, through Wine, where +linking against the Windows-only `.dll` is not an option. + +== Building + +So far, this has only been built on Windows. But doing so only requires a recent version of Visual Studio. +Load the Solution and hit _Build_. diff --git a/oodle-cli.cpp b/oodle-cli.cpp new file mode 100644 index 0000000..b066b51 --- /dev/null +++ b/oodle-cli.cpp @@ -0,0 +1,118 @@ +#include +#include +#include +#include + +#include +#include + +#include "oodle2.h" + +const LPCWSTR LIB_NAME = L"oo2core_8_win64"; + +void usage() { + std::cerr << + "Usage: oodle-cli [OPTIONS] \n" + "Decompress a to using the Oodle algorithm.\n" + "The size of the uncompressed data must be known.\n" + "\n" + " -v Increase verbosity. May be specified up to three times.\n"; +} + +int main(int argc, char* argv[]) +{ + HINSTANCE hDLL; + hDLL = LoadLibrary(LIB_NAME); + if (hDLL == NULL) { + std::cerr << "ERROR: Couldn't find library file '" << LIB_NAME << ".dll'!\n"; + return 1; + } + + auto decompress = (decltype(OodleLZ_Decompress)*)GetProcAddress((HMODULE)hDLL, "OodleLZ_Decompress"); + if (decompress == NULL) { + std::cerr << "ERROR: The library is incompatible!\n"; + return 1; + } + int verbosity = 0; + + size_t i = 1; + for (; i < argc; i++) + { + if (strcmp(argv[i], "-v") == 0) { + if (verbosity < 3) { + verbosity++; + } + } + else { + break; + } + } + + if (argc - i < 3) { + std::cerr << "Arguments missing!\n\n"; + usage(); + return 1; + } + + std::string in_name = argv[i]; + std::string out_name = argv[i + 1]; + size_t raw_buffer_size = std::stoi(argv[i + 2]); + + std::cout << "Attempting to decompress from '" << in_name << "' to '" << out_name << "' (" << raw_buffer_size << " bytes), with verbosity " << verbosity << ".\n"; + + std::ifstream in_file(in_name, std::ios::binary | std::ios::ate); + if (!in_file) { + std::cerr << "Failed to open compressed file!\n"; + return 1; + } + + std::ofstream out_file(out_name, std::ios::binary); + if (!out_file) { + std::cerr << "Failed to open output file!\n"; + return 1; + } + + std::streamsize compressed_buffer_size = in_file.tellg(); + in_file.seekg(0, std::ios::beg); + + std::vector compressed_buffer(compressed_buffer_size); + in_file.read(compressed_buffer.data(), compressed_buffer_size); + + if (in_file.fail()) { + std::cerr << "Failed to read compressed file!\n"; + return 1; + } + + std::vector raw_buffer(raw_buffer_size); + + int res = decompress( + compressed_buffer.data(), + compressed_buffer_size, + raw_buffer.data(), + raw_buffer_size, + OodleLZ_FuzzSafe_Yes, + OodleLZ_CheckCRC_No, + (OodleLZ_Verbosity)verbosity, + nullptr, + 0, + nullptr, + nullptr, + nullptr, + 0, + OodleLZ_Decode_Unthreaded + ); + + out_file.write(raw_buffer.data(), res); + + if (out_file.fail()) { + std::cerr << "Failed to write output file!\n"; + return 1; + } + + if (res != raw_buffer_size) { + std::cerr << "Failed to decompress. Expected " << raw_buffer_size << " bytes, got " << res << "!\n"; + return 1; + } + + std::cout << "Done!\n"; +} diff --git a/oodle-cli.sln b/oodle-cli.sln new file mode 100644 index 0000000..408a05b --- /dev/null +++ b/oodle-cli.sln @@ -0,0 +1,31 @@ + +Microsoft Visual Studio Solution File, Format Version 12.00 +# Visual Studio Version 17 +VisualStudioVersion = 17.3.32929.385 +MinimumVisualStudioVersion = 10.0.40219.1 +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "oodle-cli", "oodle-cli.vcxproj", "{59D962DA-674C-48D9-ADB5-DE09A89E449A}" +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|x64 = Debug|x64 + Debug|x86 = Debug|x86 + Release|x64 = Release|x64 + Release|x86 = Release|x86 + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {59D962DA-674C-48D9-ADB5-DE09A89E449A}.Debug|x64.ActiveCfg = Debug|x64 + {59D962DA-674C-48D9-ADB5-DE09A89E449A}.Debug|x64.Build.0 = Debug|x64 + {59D962DA-674C-48D9-ADB5-DE09A89E449A}.Debug|x86.ActiveCfg = Debug|Win32 + {59D962DA-674C-48D9-ADB5-DE09A89E449A}.Debug|x86.Build.0 = Debug|Win32 + {59D962DA-674C-48D9-ADB5-DE09A89E449A}.Release|x64.ActiveCfg = Release|x64 + {59D962DA-674C-48D9-ADB5-DE09A89E449A}.Release|x64.Build.0 = Release|x64 + {59D962DA-674C-48D9-ADB5-DE09A89E449A}.Release|x86.ActiveCfg = Release|Win32 + {59D962DA-674C-48D9-ADB5-DE09A89E449A}.Release|x86.Build.0 = Release|Win32 + EndGlobalSection + GlobalSection(SolutionProperties) = preSolution + HideSolutionNode = FALSE + EndGlobalSection + GlobalSection(ExtensibilityGlobals) = postSolution + SolutionGuid = {21081A0D-BD2A-41A1-AE1D-90EBE2E6E87F} + EndGlobalSection +EndGlobal diff --git a/oodle-cli.vcxproj b/oodle-cli.vcxproj new file mode 100644 index 0000000..9dbeb2a --- /dev/null +++ b/oodle-cli.vcxproj @@ -0,0 +1,138 @@ + + + + + Debug + Win32 + + + Release + Win32 + + + Debug + x64 + + + Release + x64 + + + + 16.0 + Win32Proj + {59d962da-674c-48d9-adb5-de09a89e449a} + oodlecli + 10.0 + + + + Application + true + v143 + Unicode + + + Application + false + v143 + true + Unicode + + + Application + true + v143 + Unicode + + + Application + false + v143 + true + Unicode + + + + + + + + + + + + + + + + + + + + + + Level3 + true + WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + + + + + Level3 + true + true + true + WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + true + true + + + + + Level3 + true + _DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + + + + + Level3 + true + true + true + NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + true + true + + + + + + + + + + + + diff --git a/oodle-cli.vcxproj.filters b/oodle-cli.vcxproj.filters new file mode 100644 index 0000000..ff4a7e0 --- /dev/null +++ b/oodle-cli.vcxproj.filters @@ -0,0 +1,30 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx + + + {93995380-89BD-4b04-88EB-625FBE52EBFB} + h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd + + + {67DA6AB6-F800-4c08-8B7A-83BB121AAD01} + rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms + + + + + Source Files + + + + + Header Files + + + Header Files + + + \ No newline at end of file diff --git a/oodle-cli.vcxproj.user b/oodle-cli.vcxproj.user new file mode 100644 index 0000000..87e5899 --- /dev/null +++ b/oodle-cli.vcxproj.user @@ -0,0 +1,7 @@ + + + + -v -v -v test\compressed.data 100 + WindowsLocalDebugger + + \ No newline at end of file diff --git a/oodle2.h b/oodle2.h new file mode 100644 index 0000000..1e77d92 --- /dev/null +++ b/oodle2.h @@ -0,0 +1,268 @@ +#pragma once + +#include +#include + +// header version : +// the DLL is incompatible when MAJOR is bumped +// MINOR is for internal revs and bug fixes that don't affect API compatibility +// TODO: Check if the DLL gives a minor version +#define OODLE2_VERSION_MAJOR 8 +#define OODLE2_VERSION_MINOR 14 + +// OodleVersion string is 1 . MAJOR . MINOR +// don't make it from macros cuz the doc tool has to parse the string literal + +#define OodleVersion "2.8.14" + + +// Default verbosity selection of 0 will not even log when it sees corruption +// Verbosity of LZ functions +typedef enum OodleLZ_Verbosity { + OodleLZ_Verbosity_None = 0, + OodleLZ_Verbosity_Minimal = 1, + OodleLZ_Verbosity_Some = 2, + OodleLZ_Verbosity_Lots = 3, + OodleLZ_Verbosity_Force32 = 0x40000000 +} OodleLZ_Verbosity; + + +typedef enum OodleLZ_Compressor { + OodleLZ_Compressor_Invalid = -1, + OodleLZ_Compressor_None = 3, // None = memcpy, pass through uncompressed bytes + // NEW COMPRESSORS : + OodleLZ_Compressor_Kraken = 8, // Fast decompression and high compression ratios, amazing! + OodleLZ_Compressor_Leviathan = 13,// Leviathan = Kraken's big brother with higher compression, slightly slower decompression. + OodleLZ_Compressor_Mermaid = 9, // Mermaid is between Kraken & Selkie - crazy fast, still decent compression. + OodleLZ_Compressor_Selkie = 11, // Selkie is a super-fast relative of Mermaid. For maximum decode speed. + OodleLZ_Compressor_Hydra = 12, // Hydra, the many-headed beast = Leviathan, Kraken, Mermaid, or Selkie (see $OodleLZ_About_Hydra) + OodleLZ_Compressor_BitKnit = 10, + OodleLZ_Compressor_LZB16 = 4, // DEPRECATED but still supported + OodleLZ_Compressor_LZNA = 7, + OodleLZ_Compressor_LZH = 0, + OodleLZ_Compressor_LZHLW = 1, + OodleLZ_Compressor_LZNIB = 2, + OodleLZ_Compressor_LZBLW = 5, + OodleLZ_Compressor_LZA = 6, + OodleLZ_Compressor_Count = 14, + OodleLZ_Compressor_Force32 = 0x40000000 +} OodleLZ_Compressor; + + + +typedef enum OodleLZ_CheckCRC { + OodleLZ_CheckCRC_No = 0, + OodleLZ_CheckCRC_Yes = 1, + OodleLZ_CheckCRC_Force32 = 0x40000000 +} OodleLZ_CheckCRC; + +/* Selection of compression encoder complexity + + Higher numerical value of CompressionLevel = slower compression, but smaller compressed data. + + The compressed stream is always decodable with the same decompressors. + CompressionLevel controls the amount of work the encoder does to find the best compressed bit stream. + CompressionLevel does not primary affect decode speed, it trades off encode speed for compressed bit stream quality. + + I recommend starting with OodleLZ_CompressionLevel_Normal, then try up or down if you want + faster encoding or smaller output files. + + The Optimal levels are good for distribution when you compress rarely and decompress often; + they provide very high compression ratios but are slow to encode. Optimal2 is the recommended level + to start with of the optimal levels. + Optimal4 and 5 are not recommended for common use, they are very slow and provide the maximum compression ratio, + but the gain over Optimal3 is usually small. + + The HyperFast levels have negative numeric CompressionLevel values. + They are faster than SuperFast for when you're encoder CPU time constrained or want + something closer to symmetric compression vs. decompression time. + The HyperFast levels are currently only available in Kraken, Mermaid & Selkie. + Higher levels of HyperFast are faster to encode, eg. HyperFast4 is the fastest. + + The CompressionLevel does not affect decode speed much. Higher compression level does not mean + slower to decode. To trade off decode speed vs ratio, use _spaceSpeedTradeoffBytes_ in $OodleLZ_CompressOptions +*/ +typedef enum OodleLZ_CompressionLevel { + OodleLZ_CompressionLevel_None = 0, // don't compress, just copy raw bytes + OodleLZ_CompressionLevel_SuperFast = 1, // super fast mode, lower compression ratio + OodleLZ_CompressionLevel_VeryFast = 2, // fastest LZ mode with still decent compression ratio + OodleLZ_CompressionLevel_Fast = 3, // fast - good for daily use + OodleLZ_CompressionLevel_Normal = 4, // standard medium speed LZ mode + + OodleLZ_CompressionLevel_Optimal1 = 5, // optimal parse level 1 (faster optimal encoder) + OodleLZ_CompressionLevel_Optimal2 = 6, // optimal parse level 2 (recommended baseline optimal encoder) + OodleLZ_CompressionLevel_Optimal3 = 7, // optimal parse level 3 (slower optimal encoder) + OodleLZ_CompressionLevel_Optimal4 = 8, // optimal parse level 4 (very slow optimal encoder) + OodleLZ_CompressionLevel_Optimal5 = 9, // optimal parse level 5 (don't care about encode speed, maximum compression) + + OodleLZ_CompressionLevel_HyperFast1 = -1, // faster than SuperFast, less compression + OodleLZ_CompressionLevel_HyperFast2 = -2, // faster than HyperFast1, less compression + OodleLZ_CompressionLevel_HyperFast3 = -3, // faster than HyperFast2, less compression + OodleLZ_CompressionLevel_HyperFast4 = -4, // fastest, less compression + + // aliases : + OodleLZ_CompressionLevel_HyperFast = OodleLZ_CompressionLevel_HyperFast1, // alias hyperfast base level + OodleLZ_CompressionLevel_Optimal = OodleLZ_CompressionLevel_Optimal2, // alias optimal standard level + OodleLZ_CompressionLevel_Max = OodleLZ_CompressionLevel_Optimal5, // maximum compression level + OodleLZ_CompressionLevel_Min = OodleLZ_CompressionLevel_HyperFast4, // fastest compression level + + OodleLZ_CompressionLevel_Force32 = 0x40000000, + OodleLZ_CompressionLevel_Invalid = OodleLZ_CompressionLevel_Force32 +} OodleLZ_CompressionLevel; + + +typedef enum OodleLZ_Decode_ThreadPhase { + OodleLZ_Decode_ThreadPhase1 = 1, + OodleLZ_Decode_ThreadPhase2 = 2, + OodleLZ_Decode_ThreadPhaseAll = 3, + OodleLZ_Decode_Unthreaded = OodleLZ_Decode_ThreadPhaseAll +} OodleLZ_Decode_ThreadPhase; + + +typedef enum OodleLZ_FuzzSafe { + OodleLZ_FuzzSafe_No = 0, + OodleLZ_FuzzSafe_Yes = 1 +} OodleLZ_FuzzSafe; + + +/* Compress some data from memory to memory, synchronously, with OodleLZ + + $:compressor which OodleLZ variant to use in compression + $:rawBuf raw data to compress + $:rawLen number of bytes in rawBuf to compress + $:compBuf pointer to write compressed data to ; should be at least $OodleLZ_GetCompressedBufferSizeNeeded + $:level OodleLZ_CompressionLevel controls how much CPU effort is put into maximizing compression + $:pOptions (optional) options; if NULL, $OodleLZ_CompressOptions_GetDefault is used + $:dictionaryBase (optional) if not NULL, provides preceding data to prime the dictionary; must be contiguous with rawBuf, the data between the pointers _dictionaryBase_ and _rawBuf_ is used as the preconditioning data. The exact same precondition must be passed to encoder and decoder. + $:lrm (optional) long range matcher + $:scratchMem (optional) pointer to scratch memory + $:scratchSize (optional) size of scratch memory (see $OodleLZ_GetCompressScratchMemBound) + $:return size of compressed data written, or $OODLELZ_FAILED for failure + + Performs synchronous memory to memory LZ compression. + + In tools, you should generally use $OodleXLZ_Compress_AsyncAndWait instead to get parallelism. (in the Oodle2 Ext lib) + + You can compress a large buffer in several calls by setting _dictionaryBase_ to the start + of the buffer, and then making _rawBuf_ and _rawLen_ select portions of that buffer. As long + as _rawLen_ is a multiple of $OODLELZ_BLOCK_LEN , the compressed chunks can simply be + concatenated together. + + If _scratchMem_ is provided, it will be used for the compressor's scratch memory needs before OodleMalloc is + called. If the scratch is big enough, no malloc will be done. If the scratch is not big enough, the compress + will not fail, instead OodleMalloc will be used. OodleMalloc should not return null. There is currently no way + to make compress fail cleanly due to using too much memory, it must either succeed or abort the process. + + If _scratchSize_ is at least $OodleLZ_GetCompressScratchMemBound , additional allocations will not be needed. + + See $OodleLZ_About for tips on setting the compression options. + + If _dictionaryBase_ is provided, the backup distance from _rawBuf_ must be a multiple of $OODLELZ_BLOCK_LEN + + If $(OodleLZ_CompressOptions:seekChunkReset) is enabled, and _dictionaryBase_ is not NULL or _rawBuf_ , then the + seek chunk boundaries are relative to _dictionaryBase_, not to _rawBuf_. + +*/ +int OodleLZ_Compress( + OodleLZ_Compressor compressor, + const void* raw_buffer, + size_t raw_len, + void* compressed_buffer, + OodleLZ_CompressionLevel level, + void* options, // Default: null + size_t dictionary_base, // Default: null + const void* lrm, // Default: null + void* scratch_memory, // Default: null + size_t scratch_size // Default: null +); + +// Decompress returns raw (decompressed) len received +// Decompress returns 0 (OODLELZ_FAILED) if it detects corruption +/* Decompress a some data from memory to memory, synchronously. + + $:compBuf pointer to compressed data + $:compBufSize number of compressed bytes available (must be greater or equal to the number consumed) + $:rawBuf pointer to output uncompressed data into + $:rawLen number of uncompressed bytes to output + $:fuzzSafe (optional) should the decode fail if it contains non-fuzz safe codecs? + $:checkCRC (optional) if data could be corrupted and you want to know about it, pass OodleLZ_CheckCRC_Yes + $:verbosity (optional) if not OodleLZ_Verbosity_None, logs some info + $:decBufBase (optional) if not NULL, provides preceding data to prime the dictionary; must be contiguous with rawBuf, the data between the pointers _dictionaryBase_ and _rawBuf_ is used as the preconditioning data. The exact same precondition must be passed to encoder and decoder. The decBufBase must be a reset point. + $:decBufSize (optional) size of decode buffer starting at decBufBase, if 0, _rawLen_ is assumed + $:fpCallback (optional) OodleDecompressCallback to call incrementally as decode proceeds + $:callbackUserData (optional) passed as userData to fpCallback + $:decoderMemory (optional) pre-allocated memory for the Decoder, of size _decoderMemorySize_ + $:decoderMemorySize (optional) size of the buffer at _decoderMemory_; must be at least $OodleLZDecoder_MemorySizeNeeded bytes to be used + $:threadPhase (optional) for threaded decode; see $OodleLZ_About_ThreadPhasedDecode (default OodleLZ_Decode_Unthreaded) + $:return the number of decompressed bytes output, $OODLELZ_FAILED (0) if none can be decompressed + + Decodes data encoded with any $OodleLZ_Compressor. + + Note : _rawLen_ must be the actual number of bytes to output, the same as the number that were encoded with the corresponding + OodleLZ_Compress size. You must store this somewhere in your own header and pass it in to this call. _compBufSize_ does NOT + need to be the exact number of compressed bytes, is the number of bytes available in the buffer, it must be greater or equal to + the actual compressed length. + + Note that the new compressors (Kraken,Mermaid,Selkie,BitKnit) are all fuzz safe and you can use OodleLZ_FuzzSafe_Yes + with them and no padding of the decode target buffer. + + If checkCRC is OodleLZ_CheckCRC_Yes, then corrupt data will be detected and the decode aborted. + + If checkCRC is OodleLZ_CheckCRC_No, then corruption might result in invalid data, but no detection of any error (garbage in, garbage out). + + If corruption is possible, _fuzzSafe_ is No and _checkCRC_ is OodleLZ_CheckCRC_No, $OodleLZ_GetDecodeBufferSize must be used to allocate + _rawBuf_ large enough to prevent overrun. + + $OodleLZ_GetDecodeBufferSize should always be used to ensure _rawBuf_ is large enough, even when corruption is not + possible (when fuzzSafe is No). + + _compBuf_ and _rawBuf_ are allowed to overlap for "in place" decoding, but then _rawBuf_ must be allocated to + the size given by $OodleLZ_GetInPlaceDecodeBufferSize , and the compressed data must be at the end of that buffer. + + An easy way to take the next step to parallel decoding is with $OodleXLZ_Decompress_MakeSeekTable_Wide_Async (in the Oodle2 Ext lib) + + NOTE : the return value is the *total* number of decompressed bytes output so far. If rawBuf is > decBufBase, that means + the initial inset of (rawBuf - decBufBase) is included! (eg. you won't just get _rawLen_) + + If _decBufBase_ is provided, the backup distance from _rawBuf_ must be a multiple of $OODLELZ_BLOCK_LEN + + About fuzz safety: + + OodleLZ_Decompress is guaranteed not to crash even if the data is corrupted when _fuzzSafe_ is set to OodleLZ_FuzzSafe_Yes. + + When _fuzzSafe_ is Yes, the target buffer (_rawBuf_ and _rawLen_) will never be overrun. Note that corrupted data might not + be detected (the return value might indicate success). + + Fuzz Safe decodes will not crash on corrupt data. They may or may not return failure, and produce garbage output. + + Fuzz safe decodes will not read out of bounds. They won't put data on the stack or previously in memory + into the output buffer. + + Fuzz safe decodes will not output more than the uncompressed size. (eg. the output buffer does not need to + be padded like OodleLZ_GetDecodeBufferSize) + + If you ask for a fuzz safe decode and the compressor doesn't satisfy OodleLZ_Compressor_CanDecodeFuzzSafe + then it will return failure. + + The _fuzzSafe_ argument should always be OodleLZ_FuzzSafe_Yes as of Oodle 2.9.0 ; older compressors did not + support fuzz safety but they now all do. + + Use of OodleLZ_FuzzSafe_No is deprecated. + +*/ +int OodleLZ_Decompress( + const void* compressed_buffer, + size_t compressed_length, + void* raw_buffer, + size_t raw_length, + OodleLZ_FuzzSafe fuzz_safe, // Default: OodleLZ_FuzzSafe_Yes + OodleLZ_CheckCRC check_crc, // Default: OodleLZ_CheckCRC_No + OodleLZ_Verbosity verbosity, // Default: OodleLZ_Verbosity_None + void* decBufBase, // Default: null + size_t decBufSize, // Default: 0 + void* callback, // Default: null + void* callback_user_data, // Default: null + void* decoder_memory, // Default: null + size_t decoder_memory_size, // Default: 0 + OodleLZ_Decode_ThreadPhase thread_phase // Default: OodleLZ_Decode_Unthreaded +);