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https://github.com/ZDoom/gzdoom.git
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fixed compilation with latest LZMA SDK on Windows.
LZMA SDK recently added an #include <windows.h> to its headers, meaning it's no longer safe to include its headers globally in platform independent files. The following changes were necessary: - rename DWORD type in zipdir.c - add USE_WINDOWS_DWORD and reorder includes in file_7z.cpp - wrap LZMA decoder stream into a local struct that's declared anonymously in files.h and adjust files.cpp for this change.
This commit is contained in:
Christoph Oelckers
parent
8aff59e704
commit
270541f942
4 changed files with 47 additions and 29 deletions
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@ -33,11 +33,15 @@
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**
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*/
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#define USE_WINDOWS_DWORD
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#include "LzmaDec.h"
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#include "files.h"
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#include "i_system.h"
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#include "templates.h"
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#include "m_misc.h"
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//==========================================================================
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//
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// FileReader
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@ -370,6 +374,15 @@ extern "C" void bz_internal_error (int errcode)
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//
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//==========================================================================
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// This is retarded but necessary to work around the inclusion of windows.h in recent
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// LZMA versions, meaning it's no longer possible to include the LZMA headers in files.h.
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// As a result we cannot declare the CLzmaDec member in the header so we work around
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// it my wrapping it into another struct that can be declared anonymously in the header.
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struct FileReaderLZMA::StreamPointer
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{
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CLzmaDec Stream;
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};
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static void *SzAlloc(void *, size_t size) { return malloc(size); }
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static void SzFree(void *, void *address) { free(address); }
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ISzAlloc g_Alloc = { SzAlloc, SzFree };
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@ -398,20 +411,22 @@ FileReaderLZMA::FileReaderLZMA (FileReader &file, size_t uncompressed_size, bool
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FillBuffer();
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LzmaDec_Construct(&Stream);
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err = LzmaDec_Allocate(&Stream, header + 4, LZMA_PROPS_SIZE, &g_Alloc);
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Streamp = new StreamPointer;
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LzmaDec_Construct(&Streamp->Stream);
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err = LzmaDec_Allocate(&Streamp->Stream, header + 4, LZMA_PROPS_SIZE, &g_Alloc);
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if (err != SZ_OK)
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{
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I_Error("FileReaderLZMA: LzmaDec_Allocate failed: %d\n", err);
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}
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LzmaDec_Init(&Stream);
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LzmaDec_Init(&Streamp->Stream);
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}
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FileReaderLZMA::~FileReaderLZMA ()
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{
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LzmaDec_Free(&Stream, &g_Alloc);
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LzmaDec_Free(&Streamp->Stream, &g_Alloc);
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delete Streamp;
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}
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long FileReaderLZMA::Read (void *buffer, long len)
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@ -426,7 +441,7 @@ long FileReaderLZMA::Read (void *buffer, long len)
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size_t out_processed = len;
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size_t in_processed = InSize;
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err = LzmaDec_DecodeToBuf(&Stream, next_out, &out_processed, InBuff + InPos, &in_processed, finish_mode, &status);
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err = LzmaDec_DecodeToBuf(&Streamp->Stream, next_out, &out_processed, InBuff + InPos, &in_processed, finish_mode, &status);
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InPos += in_processed;
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InSize -= in_processed;
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next_out += out_processed;
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@ -4,7 +4,6 @@
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#include <stdio.h>
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#include <zlib.h>
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#include "bzlib.h"
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#include "LzmaDec.h"
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#include "doomtype.h"
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#include "m_swap.h"
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@ -257,6 +256,8 @@ private:
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// Wraps around a FileReader to decompress a lzma stream
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class FileReaderLZMA : public FileReaderBase
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{
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struct StreamPointer;
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public:
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FileReaderLZMA (FileReader &file, size_t uncompressed_size, bool zip);
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~FileReaderLZMA ();
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@ -308,7 +309,7 @@ private:
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FileReader &File;
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bool SawEOF;
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CLzmaDec Stream;
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StreamPointer *Streamp; // anonymous pointer to LKZA decoder struct - to avoid including the LZMA headers globally
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size_t Size;
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size_t InPos, InSize;
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size_t OutProcessed;
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@ -32,6 +32,10 @@
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**
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**
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*/
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#define USE_WINDOWS_DWORD
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#include "7z.h"
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#include "7zCrc.h"
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#include "resourcefile.h"
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#include "cmdlib.h"
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@ -41,8 +45,6 @@
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#include "i_system.h"
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#include "w_wad.h"
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#include "7z.h"
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#include "7zCrc.h"
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//-----------------------------------------------------------------------
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@ -129,7 +129,7 @@ typedef struct compressor_s
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int method;
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} compressor_t;
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typedef unsigned int DWORD;
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typedef unsigned int UINT32;
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typedef unsigned short WORD;
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typedef unsigned char BYTE;
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@ -139,49 +139,49 @@ typedef unsigned char BYTE;
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//#pragma pack(push,1)
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typedef struct
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{
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DWORD Magic; // 0
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UINT32 Magic; // 0
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BYTE VersionToExtract[2]; // 4
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WORD Flags; // 6
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WORD Method; // 8
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WORD ModTime; // 10
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WORD ModDate; // 12
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DWORD CRC32; // 14
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DWORD CompressedSize; // 18
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DWORD UncompressedSize; // 22
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UINT32 CRC32; // 14
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UINT32 CompressedSize; // 18
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UINT32 UncompressedSize; // 22
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WORD NameLength; // 26
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WORD ExtraLength; // 28
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} LocalFileHeader;
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typedef struct
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{
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DWORD Magic;
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UINT32 Magic;
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BYTE VersionMadeBy[2];
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BYTE VersionToExtract[2];
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WORD Flags;
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WORD Method;
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WORD ModTime;
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WORD ModDate;
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DWORD CRC32;
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DWORD CompressedSize;
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DWORD UncompressedSize;
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UINT32 CRC32;
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UINT32 CompressedSize;
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UINT32 UncompressedSize;
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WORD NameLength;
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WORD ExtraLength;
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WORD CommentLength;
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WORD StartingDiskNumber;
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WORD InternalAttributes;
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DWORD ExternalAttributes;
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DWORD LocalHeaderOffset;
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UINT32 ExternalAttributes;
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UINT32 LocalHeaderOffset;
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} CentralDirectoryEntry;
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typedef struct
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{
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DWORD Magic;
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UINT32 Magic;
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WORD DiskNumber;
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WORD FirstDisk;
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WORD NumEntries;
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WORD NumEntriesOnAllDisks;
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DWORD DirectorySize;
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DWORD DirectoryOffset;
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UINT32 DirectorySize;
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UINT32 DirectoryOffset;
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WORD ZipCommentLength;
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} EndOfCentralDirectory;
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//#pragma pack(pop)
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@ -1373,7 +1373,7 @@ BYTE *find_central_dir(FILE *fin)
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back_read = 4;
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while (back_read < max_back)
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{
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DWORD read_size, read_pos;
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UINT32 read_size, read_pos;
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int i;
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if (back_read + BUFREADCOMMENT > max_back)
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back_read = max_back;
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@ -1420,12 +1420,12 @@ BYTE *find_central_dir(FILE *fin)
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free(dir);
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return NULL;
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}
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if (*(DWORD *)dir != ZIP_CENTRALFILE)
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if (*(UINT32 *)dir != ZIP_CENTRALFILE)
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{
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free(dir);
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return NULL;
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}
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*(DWORD *)(dir + LittleLong(eod.DirectorySize)) = ZIP_ENDOFDIR;
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*(UINT32 *)(dir + LittleLong(eod.DirectorySize)) = ZIP_ENDOFDIR;
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return dir;
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}
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@ -1444,7 +1444,7 @@ CentralDirectoryEntry *find_file_in_zip(BYTE *dir, const char *path, unsigned in
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CentralDirectoryEntry *ent;
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int flags;
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while (*(DWORD *)dir == ZIP_CENTRALFILE)
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while (*(UINT32 *)dir == ZIP_CENTRALFILE)
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{
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ent = (CentralDirectoryEntry *)dir;
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if (pathlen == LittleShort(ent->NameLength) &&
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@ -1455,7 +1455,7 @@ CentralDirectoryEntry *find_file_in_zip(BYTE *dir, const char *path, unsigned in
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}
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dir += sizeof(*ent) + LittleShort(ent->NameLength) + LittleShort(ent->ExtraLength) + LittleShort(ent->CommentLength);
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}
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if (*(DWORD *)dir != ZIP_CENTRALFILE)
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if (*(UINT32 *)dir != ZIP_CENTRALFILE)
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{
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return NULL;
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}
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@ -1495,7 +1495,7 @@ int copy_zip_file(FILE *zip, file_entry_t *file, FILE *ozip, CentralDirectoryEnt
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{
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LocalFileHeader lfh;
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BYTE *buf;
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DWORD buf_size;
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UINT32 buf_size;
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if (fseek(ozip, LittleLong(ent->LocalHeaderOffset), SEEK_SET) != 0)
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{
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