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# Conflicts: # CMakeLists.txt # libraries/glslang/OGLCompilersDLL/CMakeLists.txt # libraries/glslang/OGLCompilersDLL/InitializeDll.cpp # libraries/glslang/OGLCompilersDLL/InitializeDll.h # libraries/glslang/glslang/CMakeLists.txt # libraries/glslang/glslang/GenericCodeGen/CodeGen.cpp # libraries/glslang/glslang/GenericCodeGen/Link.cpp # libraries/glslang/glslang/Include/BaseTypes.h # libraries/glslang/glslang/Include/Common.h # libraries/glslang/glslang/Include/ConstantUnion.h # libraries/glslang/glslang/Include/InfoSink.h # libraries/glslang/glslang/Include/InitializeGlobals.h # libraries/glslang/glslang/Include/PoolAlloc.h # libraries/glslang/glslang/Include/ResourceLimits.h # libraries/glslang/glslang/Include/ShHandle.h # libraries/glslang/glslang/Include/Types.h # libraries/glslang/glslang/Include/arrays.h # libraries/glslang/glslang/Include/intermediate.h # libraries/glslang/glslang/Include/revision.h # libraries/glslang/glslang/Include/revision.template # libraries/glslang/glslang/MachineIndependent/Constant.cpp # libraries/glslang/glslang/MachineIndependent/InfoSink.cpp # libraries/glslang/glslang/MachineIndependent/Initialize.cpp # libraries/glslang/glslang/MachineIndependent/Initialize.h # libraries/glslang/glslang/MachineIndependent/IntermTraverse.cpp # libraries/glslang/glslang/MachineIndependent/Intermediate.cpp # libraries/glslang/glslang/MachineIndependent/LiveTraverser.h # libraries/glslang/glslang/MachineIndependent/ParseContextBase.cpp # libraries/glslang/glslang/MachineIndependent/ParseHelper.cpp # libraries/glslang/glslang/MachineIndependent/ParseHelper.h # libraries/glslang/glslang/MachineIndependent/PoolAlloc.cpp # libraries/glslang/glslang/MachineIndependent/RemoveTree.cpp # libraries/glslang/glslang/MachineIndependent/RemoveTree.h # libraries/glslang/glslang/MachineIndependent/Scan.cpp # libraries/glslang/glslang/MachineIndependent/Scan.h # libraries/glslang/glslang/MachineIndependent/ScanContext.h # libraries/glslang/glslang/MachineIndependent/ShaderLang.cpp # libraries/glslang/glslang/MachineIndependent/SymbolTable.cpp # libraries/glslang/glslang/MachineIndependent/SymbolTable.h # libraries/glslang/glslang/MachineIndependent/Versions.cpp # libraries/glslang/glslang/MachineIndependent/Versions.h # libraries/glslang/glslang/MachineIndependent/attribute.cpp # libraries/glslang/glslang/MachineIndependent/attribute.h # libraries/glslang/glslang/MachineIndependent/gl_types.h # libraries/glslang/glslang/MachineIndependent/glslang.y # libraries/glslang/glslang/MachineIndependent/glslang_tab.cpp # libraries/glslang/glslang/MachineIndependent/glslang_tab.cpp.h # libraries/glslang/glslang/MachineIndependent/intermOut.cpp # libraries/glslang/glslang/MachineIndependent/iomapper.cpp # libraries/glslang/glslang/MachineIndependent/iomapper.h # libraries/glslang/glslang/MachineIndependent/limits.cpp # libraries/glslang/glslang/MachineIndependent/linkValidate.cpp # libraries/glslang/glslang/MachineIndependent/localintermediate.h # libraries/glslang/glslang/MachineIndependent/parseConst.cpp # libraries/glslang/glslang/MachineIndependent/parseVersions.h # libraries/glslang/glslang/MachineIndependent/pch.cpp # libraries/glslang/glslang/MachineIndependent/pch.h # libraries/glslang/glslang/MachineIndependent/preprocessor/Pp.cpp # libraries/glslang/glslang/MachineIndependent/preprocessor/PpAtom.cpp # libraries/glslang/glslang/MachineIndependent/preprocessor/PpContext.cpp # libraries/glslang/glslang/MachineIndependent/preprocessor/PpContext.h # libraries/glslang/glslang/MachineIndependent/preprocessor/PpScanner.cpp # libraries/glslang/glslang/MachineIndependent/preprocessor/PpTokens.cpp # libraries/glslang/glslang/MachineIndependent/preprocessor/PpTokens.h # libraries/glslang/glslang/MachineIndependent/propagateNoContraction.cpp # libraries/glslang/glslang/MachineIndependent/propagateNoContraction.h # libraries/glslang/glslang/MachineIndependent/reflection.cpp # libraries/glslang/glslang/MachineIndependent/reflection.h # libraries/glslang/glslang/OSDependent/Unix/CMakeLists.txt # libraries/glslang/glslang/OSDependent/Unix/ossource.cpp # libraries/glslang/glslang/OSDependent/Windows/CMakeLists.txt # libraries/glslang/glslang/OSDependent/Windows/main.cpp # libraries/glslang/glslang/OSDependent/Windows/ossource.cpp # libraries/glslang/glslang/OSDependent/osinclude.h # libraries/glslang/glslang/Public/ShaderLang.h # libraries/glslang/glslang/updateGrammar # libraries/glslang/spirv/CMakeLists.txt # libraries/glslang/spirv/GLSL.ext.AMD.h # libraries/glslang/spirv/GLSL.ext.EXT.h # libraries/glslang/spirv/GLSL.ext.KHR.h # libraries/glslang/spirv/GLSL.ext.NV.h # libraries/glslang/spirv/GLSL.std.450.h # libraries/glslang/spirv/GlslangToSpv.cpp # libraries/glslang/spirv/GlslangToSpv.h # libraries/glslang/spirv/InReadableOrder.cpp # libraries/glslang/spirv/Logger.cpp # libraries/glslang/spirv/Logger.h # libraries/glslang/spirv/SPVRemapper.cpp # libraries/glslang/spirv/SPVRemapper.h # libraries/glslang/spirv/SpvBuilder.cpp # libraries/glslang/spirv/SpvBuilder.h # libraries/glslang/spirv/SpvPostProcess.cpp # libraries/glslang/spirv/SpvTools.cpp # libraries/glslang/spirv/SpvTools.h # libraries/glslang/spirv/bitutils.h # libraries/glslang/spirv/disassemble.cpp # libraries/glslang/spirv/disassemble.h # libraries/glslang/spirv/doc.cpp # libraries/glslang/spirv/doc.h # libraries/glslang/spirv/hex_float.h # libraries/glslang/spirv/spirv.hpp # libraries/glslang/spirv/spvIR.h # src/CMakeLists.txt
176 lines
4.1 KiB
C
176 lines
4.1 KiB
C
/* 7zStream.c -- 7z Stream functions
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2017-04-03 : Igor Pavlov : Public domain */
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#include "Precomp.h"
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#include <string.h>
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#include "7zTypes.h"
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SRes SeqInStream_Read2(const ISeqInStream *stream, void *buf, size_t size, SRes errorType)
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{
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while (size != 0)
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{
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size_t processed = size;
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RINOK(ISeqInStream_Read(stream, buf, &processed));
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if (processed == 0)
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return errorType;
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buf = (void *)((Byte *)buf + processed);
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size -= processed;
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}
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return SZ_OK;
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}
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SRes SeqInStream_Read(const ISeqInStream *stream, void *buf, size_t size)
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{
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return SeqInStream_Read2(stream, buf, size, SZ_ERROR_INPUT_EOF);
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}
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SRes SeqInStream_ReadByte(const ISeqInStream *stream, Byte *buf)
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{
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size_t processed = 1;
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RINOK(ISeqInStream_Read(stream, buf, &processed));
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return (processed == 1) ? SZ_OK : SZ_ERROR_INPUT_EOF;
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}
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SRes LookInStream_SeekTo(const ILookInStream *stream, UInt64 offset)
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{
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Int64 t = offset;
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return ILookInStream_Seek(stream, &t, SZ_SEEK_SET);
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}
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SRes LookInStream_LookRead(const ILookInStream *stream, void *buf, size_t *size)
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{
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const void *lookBuf;
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if (*size == 0)
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return SZ_OK;
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RINOK(ILookInStream_Look(stream, &lookBuf, size));
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memcpy(buf, lookBuf, *size);
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return ILookInStream_Skip(stream, *size);
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}
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SRes LookInStream_Read2(const ILookInStream *stream, void *buf, size_t size, SRes errorType)
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{
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while (size != 0)
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{
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size_t processed = size;
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RINOK(ILookInStream_Read(stream, buf, &processed));
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if (processed == 0)
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return errorType;
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buf = (void *)((Byte *)buf + processed);
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size -= processed;
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}
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return SZ_OK;
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}
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SRes LookInStream_Read(const ILookInStream *stream, void *buf, size_t size)
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{
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return LookInStream_Read2(stream, buf, size, SZ_ERROR_INPUT_EOF);
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}
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#define GET_LookToRead2 CLookToRead2 *p = CONTAINER_FROM_VTBL(pp, CLookToRead2, vt);
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static SRes LookToRead2_Look_Lookahead(const ILookInStream *pp, const void **buf, size_t *size)
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{
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SRes res = SZ_OK;
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GET_LookToRead2
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size_t size2 = p->size - p->pos;
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if (size2 == 0 && *size != 0)
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{
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p->pos = 0;
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p->size = 0;
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size2 = p->bufSize;
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res = ISeekInStream_Read(p->realStream, p->buf, &size2);
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p->size = size2;
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}
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if (*size > size2)
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*size = size2;
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*buf = p->buf + p->pos;
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return res;
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}
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static SRes LookToRead2_Look_Exact(const ILookInStream *pp, const void **buf, size_t *size)
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{
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SRes res = SZ_OK;
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GET_LookToRead2
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size_t size2 = p->size - p->pos;
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if (size2 == 0 && *size != 0)
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{
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p->pos = 0;
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p->size = 0;
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if (*size > p->bufSize)
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*size = p->bufSize;
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res = ISeekInStream_Read(p->realStream, p->buf, size);
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size2 = p->size = *size;
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}
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if (*size > size2)
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*size = size2;
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*buf = p->buf + p->pos;
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return res;
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}
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static SRes LookToRead2_Skip(const ILookInStream *pp, size_t offset)
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{
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GET_LookToRead2
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p->pos += offset;
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return SZ_OK;
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}
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static SRes LookToRead2_Read(const ILookInStream *pp, void *buf, size_t *size)
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{
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GET_LookToRead2
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size_t rem = p->size - p->pos;
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if (rem == 0)
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return ISeekInStream_Read(p->realStream, buf, size);
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if (rem > *size)
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rem = *size;
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memcpy(buf, p->buf + p->pos, rem);
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p->pos += rem;
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*size = rem;
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return SZ_OK;
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}
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static SRes LookToRead2_Seek(const ILookInStream *pp, Int64 *pos, ESzSeek origin)
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{
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GET_LookToRead2
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p->pos = p->size = 0;
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return ISeekInStream_Seek(p->realStream, pos, origin);
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}
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void LookToRead2_CreateVTable(CLookToRead2 *p, int lookahead)
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{
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p->vt.Look = lookahead ?
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LookToRead2_Look_Lookahead :
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LookToRead2_Look_Exact;
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p->vt.Skip = LookToRead2_Skip;
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p->vt.Read = LookToRead2_Read;
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p->vt.Seek = LookToRead2_Seek;
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}
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static SRes SecToLook_Read(const ISeqInStream *pp, void *buf, size_t *size)
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{
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CSecToLook *p = CONTAINER_FROM_VTBL(pp, CSecToLook, vt);
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return LookInStream_LookRead(p->realStream, buf, size);
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}
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void SecToLook_CreateVTable(CSecToLook *p)
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{
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p->vt.Read = SecToLook_Read;
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}
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static SRes SecToRead_Read(const ISeqInStream *pp, void *buf, size_t *size)
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{
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CSecToRead *p = CONTAINER_FROM_VTBL(pp, CSecToRead, vt);
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return ILookInStream_Read(p->realStream, buf, size);
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}
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void SecToRead_CreateVTable(CSecToRead *p)
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{
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p->vt.Read = SecToRead_Read;
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}
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