使用zzip和minizip解压缩文件

#include <zzip/zzip.h>
#include <zlib.h>
#include <zip.h>
#include <unzip.h>

#include <string>
#include <map>

#ifdef _DEBUG
#pragma comment( lib, "zlib_d.lib")
#pragma comment( lib, "zzip_d.lib")
#pragma comment( lib, "minizip_d.lib")
#else
#pragma comment( lib, "zlib.lib" )
#pragma comment( lib, "zzip.lib" )
#pragma comment( lib, "minizip.lib" )
#endif

#define SAFE_DELETEARRAY(p) if(p != NULL) { delete[] (p); (p) = NULL; };

void UnzipAndZip( const char* pScrFileName, const char* pDstFileName )
{
struct FILE_DESC
    {
        unsigned char* pData;
        size_t DataSize;
    };

    std::map<std::string, FILE_DESC> mapFileStreams;

    ZZIP_DIR* pZipDir = zzip_opendir( pScrFileName );
    ZZIP_DIRENT* pZipDirent = NULL;
while( pZipDirent = zzip_readdir( pZipDir ) )    
    {
        size_t length = strlen(pZipDirent->d_name);
if( length > 0 )
        {
if( pZipDirent->d_name[length - 1] != '\\' &&
                pZipDirent->d_name[length - 1] != '/' )
            {
                ZZIP_FILE* pZipFile = zzip_file_open( pZipDir, pZipDirent->d_name, ZZIP_CASELESS );
if( pZipFile != NULL )
                {
                    ZZIP_STAT sz;
                    memset( &sz, 0, sizeof(sz) );
                    zzip_file_stat( pZipFile, &sz );
if( sz.st_size > 0 )
                    {
                        unsigned char* pBuffer = new unsigned char[sz.st_size];
                        zzip_file_read( pZipFile, pBuffer, sz.st_size );                        
                        FILE_DESC data = { pBuffer, sz.st_size };                        
                        mapFileStreams[pZipDirent->d_name] = data;
                    }
                    zzip_file_close( pZipFile );
                }
            }
        }
    }
if( pZipDir )
        zzip_closedir( pZipDir );

    zip_fileinfo ZipFileInfo;    
    zipFile ZipFile = zipOpen( pDstFileName, 0 );    

    std::map<std::string, FILE_DESC>::iterator iter = 
        mapFileStreams.begin();

while( iter != mapFileStreams.end() )
    {
int err = zipOpenNewFileInZip( ZipFile, iter->first.c_str(),
&ZipFileInfo, NULL,    0, NULL, 0, NULL, 0, 0 );
        zipWriteInFileInZip( ZipFile, iter->second.pData, iter->second.DataSize );
        SAFE_DELETEARRAY( iter->second.pData );            
++iter;
    }
    zipClose( ZipFile, NULL );
}

int main(int argc, char* argv[])
{
    UnzipAndZip( "test.zip", "dst.zip" );
return 0;
};