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link管理  ›  How to use LZMA SDK to create 7z
const char sdk
https://www.qtcentre.org/threads/47722-How-to-use-LZMA-SDK-to-create-7z
率性的稀饭
8 月前
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Hello, I would use 7z into a routine of data transmission, but I can not use lzma SDK, I can build up more pure lzma lzmalib.c but if I try to use lib 7z.h can not compile
Has anyone had any experience with lzma to give me support.
==========================signature=============== ==================
S.O.L.I.D principles (use them!):
https://en.wikipedia.org/wiki/SOLID_...iented_design)
Do you write clean code? - if you are TDD'ing then maybe, if not, your not writing clean code.
After you have create a new project and it adiocionei lzma920 the SDK, I have attached the directory ... / lzma920 / C / compiled and everything worked sinned after the content on the .. / lzma920/C/Util/7z/7zMain.ce include the main.cpp of my project and gave those errors that show now:
23:17:11: Running build steps for project compressfile7zsdk...
23:17:11: Configuration unchanged, skipping qmake step.
23:17:11: Starting: "D:\qt\qtcreator-2.4.0\mingw\bin\mingw32-make.exe"
D:/qt/qtcreator-2.4.0/mingw/bin/mingw32-make.exe -f Makefile.Debug
mingw32-make.exe[1]: Entering directory `D:/sistema/projetos/fonts/qt/suportware/developer/compressfile7zsdk-build-desktop-Qt_4_7_4__4_7_4w32__Debug'
g++ -c -g -frtti -fexceptions -mthreads -Wall -DUNICODE -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT -DQT_NEEDS_QMAIN -I"d:\qt\4.7.4w32\include\QtCore" -I"d:\qt\4.7.4w32\include\QtGui" -I"d:\qt\4.7.4w32\include" -I"d:\qt\lzma92\C" -I"d:\qt\4.7.4w32\include\ActiveQt" -I"debug" -I"." -I"..\compressfile7zsdk" -I"." -I"d:\qt\4.7.4w32\mkspecs\win32-g++" -o debug\main.o ..\compressfile7zsdk\main.cpp
..\compressfile7zsdk\main.cpp: In function 'SRes Utf16_To_Char(CBuf*, const UInt16*, int)':
..\compressfile7zsdk\main.cpp:121: error: invalid conversion from 'const UInt16*' to 'const WCHAR*'
..\compressfile7zsdk\main.cpp:121: error: initializing argument 3 of 'int WideCharToMultiByte(UINT, DWORD, const WCHAR*, int, CHAR*, int, const CHAR*, BOOL*)'
..\compressfile7zsdk\main.cpp: In function 'WRes MyCreateDir(const UInt16*)':
..\compressfile7zsdk\main.cpp:138: error: invalid conversion from 'const UInt16*' to 'const WCHAR*'
..\compressfile7zsdk\main.cpp:138: error: initializing argument 1 of 'BOOL CreateDirectoryW(const WCHAR*, _SECURITY_ATTRIBUTES*)'
..\compressfile7zsdk\main.cpp: In function 'WRes OutFile_OpenUtf16(CSzFile*, const UInt16*)':
..\compressfile7zsdk\main.cpp:163: error: invalid conversion from 'const UInt16*' to 'const WCHAR*'
..\compressfile7zsdk\main.cpp:163: error: initializing argument 2 of 'WRes OutFile_OpenW(CSzFile*, const WCHAR*)'
mingw32-make.exe[1]: Leaving directory `D:/sistema/projetos/fonts/qt/suportware/developer/compressfile7zsdk-build-desktop-Qt_4_7_4__4_7_4w32__Debug'
..\compressfile7zsdk\main.cpp: At global scope:
..\compressfile7zsdk\main.cpp:134: warning: 'WRes MyCreateDir(const UInt16*)' defined but not used
..\compressfile7zsdk\main.cpp:160: warning: 'WRes OutFile_OpenUtf16(CSzFile*, const UInt16*)' defined but not used
..\compressfile7zsdk\main.cpp:175: warning: 'SRes PrintString(const UInt16*)' defined but not used
..\compressfile7zsdk\main.cpp:187: warning: 'void UInt64ToStr(UInt64, char*)' defined but not used
..\compressfile7zsdk\main.cpp:223: warning: 'void ConvertFileTimeToString(const CNtfsFileTime*, char*)' defined but not used
..\compressfile7zsdk\main.cpp:268: warning: 'void GetAttribString(UInt32, Bool, char*)' defined but not used
mingw32-make.exe[1]: *** [debug/main.o] Error 1
mingw32-make.exe: *** [debug] Error 2
23:17:12: The process "D:\qt\qtcreator-2.4.0\mingw\bin\mingw32-make.exe" exited with code 2.
Error while building project compressfile7zsdk (target: Desktop)
When executing build step 'Make'
==========================signature=============== ==================
S.O.L.I.D principles (use them!):
https://en.wikipedia.org/wiki/SOLID_...iented_design)
Do you write clean code? - if you are TDD'ing then maybe, if not, your not writing clean code.
Sorry, my language is Portuguese-Brazil and google is not translated correctly into English.
The problem was solved.
It was created compress and decompress based on "main2" "lzmautil.c"
Qt Code: Switch view 
  1. int compress(char *inFileName,char *outFileName)
  2. {
  3.  
  4.     char rs[800] = { 0 };
  5.   CFileSeqInStream inStream;
  6.   CFileOutStream outStream;
  7.   int res;
  8.  
  9.   FileSeqInStream_CreateVTable(&inStream);
  10.   File_Construct(&inStream.file);
  11.  
  12.   FileOutStream_CreateVTable(&outStream);
  13.   File_Construct(&outStream.file);
  14.  
  15.   {
  16.     size_t t4 = sizeof(UInt32);
  17.     size_t t8 = sizeof(UInt64);
  18.     if (t4 != 4 || t8 != 8)
  19.       return PrintError(rs, "Incorrect UInt32 or UInt64");
  20.   }
  21.  
  22.   if (InFile_Open(&inStream.file, inFileName) != 0)
  23.     return PrintError(rs, "Can not open input file");
  24.  
  25.     if (OutFile_Open(&outStream.file, outFileName ) != 0)
  26.       return PrintError(rs, "Can not open output file");
  27.  
  28.  
  29.     UInt64 fileSize;
  30.     File_GetLength(&inStream.file, &fileSize);
  31.     res = Encode(&outStream.s, &inStream.s, fileSize, rs);
  32.  
  33.     File_Close(&outStream.file);
  34.     File_Close(&inStream.file);
  35.  
  36.   if (res != SZ_OK)
  37.   {
  38.     if (res == SZ_ERROR_MEM)




    

  39.       return PrintError(rs, kCantAllocateMessage);
  40.     else if (res == SZ_ERROR_DATA)
  41.       return PrintError(rs, kDataErrorMessage);
  42.     else if (res == SZ_ERROR_WRITE)
  43.       return PrintError(rs, kCantWriteMessage);
  44.     else if (res == SZ_ERROR_READ)
  45.       return PrintError(rs, kCantReadMessage);
  46.     return PrintErrorNumber(rs, res);
  47.   }
  48.   return 0;
  49. }
  50.  
  51. int Decompress(char *inFileName,char *outFileName)
  52. {
  53.     char rs[800] = { 0 };
  54.   CFileSeqInStream inStream;
  55.   CFileOutStream outStream;
  56.   int res;
  57.   //Bool useOutFile = False;
  58.  
  59.   FileSeqInStream_CreateVTable(&inStream);
  60.   File_Construct(&inStream.file);
  61.  
  62.   FileOutStream_CreateVTable(&outStream);
  63.   File_Construct(&outStream.file);
  64.  
  65.     size_t t4 = sizeof(UInt32);
  66.     size_t t8 = sizeof(UInt64);
  67.     if (t4 != 4 || t8 != 8)
  68.       return PrintError(rs, "Incorrect UInt32 or UInt64");
  69.  
  70.   if (InFile_Open(&inStream.file, inFileName) != 0)
  71.     return PrintError(rs, "Can not open input file");
  72.  
  73.  
  74.     if (OutFile_Open(&outStream.file, outFileName) != 0)
  75.       return PrintError(rs, "Can not open output file");
  76.  
  77.  
  78.  
  79.     res = Decode(&outStream.s, &inStream.s);
  80.  
  81.   File_Close(&outStream.file);
  82.   File_Close(&inStream.file);
  83.  
  84.   if (res != SZ_OK)
  85.   {
  86.     if (res == SZ_ERROR_MEM)
  87.       return PrintError(rs, kCantAllocateMessage);
  88.     else if (res == SZ_ERROR_DATA)
  89.       return PrintError(rs, kDataErrorMessage);
  90.     else if (res == SZ_ERROR_WRITE)
  91.       return PrintError(rs, kCantWriteMessage);
  92.     else if (res == SZ_ERROR_READ)
  93.       return PrintError(rs, kCantReadMessage);
  94.     return PrintErrorNumber(rs, res);
  95.   }
  96.   return 0;
  97. }
int compress(char *inFileName,char *outFileName)
    char rs[800] = { 0 };
  CFileSeqInStream inStream;
  CFileOutStream outStream;
  int res;
  FileSeqInStream_CreateVTable(&inStream);
  File_Construct(&inStream.file);
  FileOutStream_CreateVTable(&outStream);
  File_Construct(&outStream.file);
    size_t t4 = sizeof(UInt32);
    size_t t8 = sizeof(UInt64);
    if (t4 != 4 || t8 != 8)
      return PrintError(rs, "Incorrect UInt32 or UInt64");
  if (InFile_Open(&inStream.file, inFileName) != 0)
    return PrintError(rs, "Can not open input file");
    if (OutFile_Open(&outStream.file, outFileName ) != 0)
      return PrintError(rs, "Can not open output file");
    UInt64 fileSize;
    File_GetLength(&inStream.file, &fileSize);
    res = Encode(&outStream.s, &inStream.s, fileSize, rs);
    File_Close(&outStream.file);
    File_Close(&inStream.file);
  if (res != SZ_OK)
    if (res == SZ_ERROR_MEM)
      return PrintError(rs, kCantAllocateMessage);
    else if (res == SZ_ERROR_DATA)
      return PrintError(rs, kDataErrorMessage);
    else if (res == SZ_ERROR_WRITE)
      return PrintError(rs, kCantWriteMessage);
    else if (res == SZ_ERROR_READ)
      return PrintError(rs, kCantReadMessage);
    return PrintErrorNumber(rs, res);
  return 0;
int Decompress(char *inFileName,char *outFileName)
    char rs[800] = { 0 };
  CFileSeqInStream inStream;
  CFileOutStream outStream;
  int res;
  //Bool useOutFile = False;
  FileSeqInStream_CreateVTable(&inStream);
  File_Construct(&inStream.file);
  FileOutStream_CreateVTable(&outStream);
  File_Construct(&outStream.file);
    size_t t4 = sizeof(UInt32);
    size_t t8 = sizeof(UInt64);
    if (t4 != 4 || t8 != 8)
      return PrintError(rs, "Incorrect UInt32 or UInt64");
  if (InFile_Open(&inStream.file, inFileName) != 0)
    return PrintError(rs, "Can not open input file");
    if (OutFile_Open(&outStream.file, outFileName) != 0)
      return PrintError(rs, "Can not open output file");
    res = Decode(&outStream.s, &inStream.s);
  File_Close(&outStream.file);
  File_Close(&inStream.file);
  if (res != SZ_OK)
    if (res == SZ_ERROR_MEM)
      return PrintError(rs, kCantAllocateMessage);
    else if (res == SZ_ERROR_DATA)
      return PrintError(rs, kDataErrorMessage);
    else if (res == SZ_ERROR_WRITE)
      return PrintError(rs, kCantWriteMessage);
    else if (res == SZ_ERROR_READ)
      return PrintError(rs, kCantReadMessage);
    return PrintErrorNumber(rs, res);
  return 0;

To copy to clipboard, switch view to plain text mode 
#Now just call the main current project
Qt Code: Switch view 
  1. #include "lzma920/C/Util/Lzma/LzmaUtil.c"
  2.  
  3.  
  4. int main(int argc, char *argv[])
  5. {
  6.     QApplication a(argc, argv);
  7.     //MainWindow w;
  8.     //w.show();
  9.  
  10.     char *inFileName="c:/dbforcacad001.db";
  11.     char *outFileName="c:/dbforcacad001.lzma";
  12.  
  13.     compress(inFileName,outFileName);
  14.  
  15.     inFileName=outFileName;
  16.     outFileName="c:/dbforcacad001.lzma.db";
  17.  
  18.     Decompress(inFileName,outFileName);
  19.  
  20.  
  21.     //return a.exec();
  22. }
#include "lzma920/C/Util/Lzma/LzmaUtil.c"
int main(int argc, char *argv[])
    QApplication a(argc, argv);
    //MainWindow w;
    //w.show();
    char *inFileName="c:/dbforcacad001.db";
    char *outFileName="c:/dbforcacad001.lzma";
    compress(inFileName,outFileName);
    inFileName=outFileName;
    outFileName="c:/dbforcacad001.lzma.db";
    Decompress(inFileName,outFileName);
    //return a.exec();

To copy to clipboard, switch view to plain text mode 
 
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