C调用Zlib库解压文件示例

(作者：陈波，2011-11-16，转载请注明 Form:http://blog.youkuaiyun.com/jinhill/article/details/6979200) 

#include "stdafx.h"

#include "stdio.h"

#include "unzip.h"

#pragma comment(lib,"zlibstat.lib")

 

int main(int argc, char* argv[])

{

         intrv = UNZ_ERRNO;

         inti = 0;

         unz_global_infoglobal_info;

         unz_file_infofinfo;

         charszFileName[MAX_PATH] = {0};

         charchExtraField[255] = {0};

         charszComment[255] = {0};

         charchBuf[10240] = {0};

         intnLen = 10240;

         //打开压缩文件

         unzFileuzf = unzOpen("HelloWorld.zip");

         if(uzf== NULL)

         {

                   returnrv;

         }

         //获取压缩文件信息

         rv= unzGetGlobalInfo(uzf, &global_info);

         if(rv!= UNZ_OK)

         {

                   returnrv;

         }

         //枚举压缩包内第一个文件

         rv= unzGoToFirstFile(uzf);

         if(rv!= UNZ_OK)

         {

                   returnrv;

         }

         for(i=0;i<global_info.number_entry; i++)

         {

                   //获取压缩包内文件的信息

                   rv= unzGetCurrentFileInfo(uzf,

                            &finfo,

                            szFileName,

                            sizeof(szFileName),

                            (void*)chExtraField,

                            sizeof(chExtraField),

                            szComment,

                            sizeof(szComment));

                   if(rv!= UNZ_OK)

                   {

                            break;

                   }

                   printf("FileName:%s\n",szFileName);

                   //打开压缩包内的文件

                   rv= unzOpenCurrentFile(uzf);

                   if(rv!= UNZ_OK)

                   {

                            break;

                   }

                   //读压缩包内的文件

                   rv= unzReadCurrentFile(uzf, chBuf, nLen);

                   //关闭压缩包内文件句柄

                   rv= unzCloseCurrentFile(uzf);

                   //枚举压缩包内下一个文件

                   rv= unzGoToNextFile(uzf);

                   if(rv!= UNZ_OK)

                   {

                            break;

                   }

                  

         }

         //关闭压缩包文件

         rv= unzClose(uzf);

 

         return0;

}

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