BOOL CreateInstaller (LPCTSTR pszFile, LPCVOID pszStart, DWORD dwSize)
{
if (FALSE == vmsBuildPathToFile (pszFile))
return FALSE;
HANDLE hFile = CreateFile (pszFile, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE)
return FALSE;
DWORD dwWritten = 0;
if (FALSE == WriteFile (hFile, pszStart, dwSize, &dwWritten, NULL) ||
dwWritten != dwSize)
{
CloseHandle (hFile);
return FALSE;
}
CloseHandle (hFile);
return TRUE;
}
BOOL vmsUnZip::Unpack(LPCTSTR ptszFileName, LPCTSTR ptszDstFolder)
{
USES_CONVERSION;
BOOL result = FALSE;
unzFile zipFile = unzOpen (CT2AEX<> ((LPTSTR)ptszFileName));
if (NULL != zipFile)
{
if (UNZ_OK == unzGoToFirstFile(zipFile))
{
BOOL bContinue = TRUE;
while (bContinue)
{
result = FALSE;
unz_file_info fi;
char filename[MAX_PATH] = {0};
if (UNZ_OK == unzGetCurrentFileInfo(zipFile, &fi,
filename, sizeof (filename), 0, 0, 0, 0))
{
if (*filename && (filename [strlen (filename)-1] == '/' || filename [strlen (filename)-1] == '\\'))
{
assert (fi.uncompressed_size == 0);
tstring tstr = ptszDstFolder;
tstr += '\\';
tstr += CA2TEX<> (filename);
tstr += '1';
vmsBuildPathToFile (tstr.c_str ());
result = TRUE;
}
else if (UNZ_OK == unzOpenCurrentFile(zipFile))
{
UINT dataLen = fi.uncompressed_size;
BYTE* fileData = new BYTE[dataLen];
if (!fileData)
break;
if(dataLen == unzReadCurrentFile(zipFile, fileData, dataLen))
{
char filePathName[MAX_PATH] = {0};
strcat (filePathName, T2A ((LPTSTR)ptszDstFolder));
strcat (filePathName, "\\");
strcat (filePathName, filename);
while (strchr (filePathName, '/'))
*strchr (filePathName, '/') = '\\';
FILE* pFile = fopen (filePathName, "wb");
if (!pFile)
{
vmsBuildPathToFile (CA2TEX<> (filePathName));
pFile = fopen (filePathName, "wb");
}
if (pFile)
{
result = (dataLen == fwrite(fileData, 1, dataLen, pFile));
result = result && (0 == fclose(pFile));
}
}
delete [] fileData;
result = result && (UNZ_OK == unzCloseCurrentFile(zipFile));
}
}
if (!result)
break;
if (UNZ_END_OF_LIST_OF_FILE == unzGoToNextFile(zipFile))
bContinue = FALSE;
}
}
result = result && (UNZ_OK == unzClose(zipFile));
}
return result;
}
