添加bin文件头的c++代码

#include <iostream>
#include <fstream>
#include <string.h>
#include <string>
#include <cstring>
#include <vector>
#include <io.h>
#include <stdio.h>
#include <stdlib.h>
#include <Windows.h>
#include <winsock.h>
#include <sstream>
#include<malloc.h>
using namespace std;
char *get_cur_path( char   buffer[MAX_PATH]  ) ;
ULONG DRV_FWD_CRC32(const  UCHAR *buf,  ULONG len);
string readFileIntoString(const std::string &filename);
struct  fin_bin_result {
    char            name0[260];
    unsigned int    name0_size;
    char            name1[260];
    unsigned int    name1_size;    
    unsigned int    num  ;//只有0、1和2
};
fin_bin_result  find_bin (  string path  );
fin_bin_result  find_data(  string path  );
/* 该数组用于计算CRC结果，不要轻易更改数组内容 */
static const ULONG FWD_CRC_Table[] =
{
  0x00000000U, 0x77073096U, 0xee0e612cU, 0x990951baU, 0x076dc419U,
  0x706af48fU, 0xe963a535U, 0x9e6495a3U, 0x0edb8832U, 0x79dcb8a4U,
  0xe0d5e91eU, 0x97d2d988U, 0x09b64c2bU, 0x7eb17cbdU, 0xe7b82d07U,
  0x90bf1d91U, 0x1db71064U, 0x6ab020f2U, 0xf3b97148U, 0x84be41deU,
  0x1adad47dU, 0x6ddde4ebU, 0xf4d4b551U, 0x83d385c7U, 0x136c9856U,
  0x646ba8c0U, 0xfd62f97aU, 0x8a65c9ecU, 0x14015c4fU, 0x63066cd9U,
  0xfa0f3d63U, 0x8d080df5U, 0x3b6e20c8U, 0x4c69105eU, 0xd56041e4U,
  0xa2677172U, 0x3c03e4d1U, 0x4b04d447U, 0xd20d85fdU, 0xa50ab56bU,
  0x35b5a8faU, 0x42b2986cU, 0xdbbbc9d6U, 0xacbcf940U, 0x32d86ce3U,
  0x45df5c75U, 0xdcd60dcfU, 0xabd13d59U, 0x26d930acU, 0x51de003aU,
  0xc8d75180U, 0xbfd06116U, 0x21b4f4b5U, 0x56b3c423U, 0xcfba9599U,
  0xb8bda50fU, 0x2802b89eU, 0x5f058808U, 0xc60cd9b2U, 0xb10be924U,
  0x2f6f7c87U, 0x58684c11U, 0xc1611dabU, 0xb6662d3dU, 0x76dc4190U,
  0x01db7106U, 0x98d220bcU, 0xefd5102aU, 0x71b18589U, 0x06b6b51fU,
  0x9fbfe4a5U, 0xe8b8d433U, 0x7807c9a2U, 0x0f00f934U, 0x9609a88eU,
  0xe10e9818U, 0x7f6a0dbbU, 0x086d3d2dU, 0x91646c97U, 0xe6635c01U,
  0x6b6b51f4U, 0x1c6c6162U, 0x856530d8U, 0xf262004eU, 0x6c0695edU,
  0x1b01a57bU, 0x8208f4c1U, 0xf50fc457U, 0x65b0d9c6U, 0x12b7e950U,
  0x8bbeb8eaU, 0xfcb9887cU, 0x62dd1ddfU, 0x15da2d49U, 0x8cd37cf3U,
  0xfbd44c65U, 0x4db26158U, 0x3ab551ceU, 0xa3bc0074U, 0xd4bb30e2U,
  0x4adfa541U, 0x3dd895d7U, 0xa4d1c46dU, 0xd3d6f4fbU, 0x4369e96aU,
  0x346ed9fcU, 0xad678846U, 0xda60b8d0U, 0x44042d73U, 0x33031de5U,
  0xaa0a4c5fU, 0xdd0d7cc9U, 0x5005713cU, 0x270241aaU, 0xbe0b1010U,
  0xc90c2086U, 0x5768b525U, 0x206f85b3U, 0xb966d409U, 0xce61e49fU,
  0x5edef90eU, 0x29d9c998U, 0xb0d09822U, 0xc7d7a8b4U, 0x59b33d17U,
  0x2eb40d81U, 0xb7bd5c3bU, 0xc0ba6cadU, 0xedb88320U, 0x9abfb3b6U,
  0x03b6e20cU, 0x74b1d29aU, 0xead54739U, 0x9dd277afU, 0x04db2615U,
  0x73dc1683U, 0xe3630b12U, 0x94643b84U, 0x0d6d6a3eU, 0x7a6a5aa8U,
  0xe40ecf0bU, 0x9309ff9dU, 0x0a00ae27U, 0x7d079eb1U, 0xf00f9344U,
  0x8708a3d2U, 0x1e01f268U, 0x6906c2feU, 0xf762575dU, 0x806567cbU,
  0x196c3671U, 0x6e6b06e7U, 0xfed41b76U, 0x89d32be0U, 0x10da7a5aU,
  0x67dd4accU, 0xf9b9df6fU, 0x8ebeeff9U, 0x17b7be43U, 0x60b08ed5U,
  0xd6d6a3e8U, 0xa1d1937eU, 0x38d8c2c4U, 0x4fdff252U, 0xd1bb67f1U,
  0xa6bc5767U, 0x3fb506ddU, 0x48b2364bU, 0xd80d2bdaU, 0xaf0a1b4cU,
  0x36034af6U, 0x41047a60U, 0xdf60efc3U, 0xa867df55U, 0x316e8eefU,
  0x4669be79U, 0xcb61b38cU, 0xbc66831aU, 0x256fd2a0U, 0x5268e236U,
  0xcc0c7795U, 0xbb0b4703U, 0x220216b9U, 0x5505262fU, 0xc5ba3bbeU,
  0xb2bd0b28U, 0x2bb45a92U, 0x5cb36a04U, 0xc2d7ffa7U, 0xb5d0cf31U,
  0x2cd99e8bU, 0x5bdeae1dU, 0x9b64c2b0U, 0xec63f226U, 0x756aa39cU,
  0x026d930aU, 0x9c0906a9U, 0xeb0e363fU, 0x72076785U, 0x05005713U,
  0x95bf4a82U, 0xe2b87a14U, 0x7bb12baeU, 0x0cb61b38U, 0x92d28e9bU,
  0xe5d5be0dU, 0x7cdcefb7U, 0x0bdbdf21U, 0x86d3d2d4U, 0xf1d4e242U,
  0x68ddb3f8U, 0x1fda836eU, 0x81be16cdU, 0xf6b9265bU, 0x6fb077e1U,
  0x18b74777U, 0x88085ae6U, 0xff0f6a70U, 0x66063bcaU, 0x11010b5cU,
  0x8f659effU, 0xf862ae69U, 0x616bffd3U, 0x166ccf45U, 0xa00ae278U,
  0xd70dd2eeU, 0x4e048354U, 0x3903b3c2U, 0xa7672661U, 0xd06016f7U,
  0x4969474dU, 0x3e6e77dbU, 0xaed16a4aU, 0xd9d65adcU, 0x40df0b66U,
  0x37d83bf0U, 0xa9bcae53U, 0xdebb9ec5U, 0x47b2cf7fU, 0x30b5ffe9U,
  0xbdbdf21cU, 0xcabac28aU, 0x53b39330U, 0x24b4a3a6U, 0xbad03605U,
  0xcdd70693U, 0x54de5729U, 0x23d967bfU, 0xb3667a2eU, 0xc4614ab8U,
  0x5d681b02U, 0x2a6f2b94U, 0xb40bbe37U, 0xc30c8ea1U, 0x5a05df1bU,
  0x2d02ef8dU
};
int main(int argc, char** argv) {
    cout<<"*********************使用说明************************"<<endl;
    cout<<"1.head.data文件存放的64B模板"<<endl;
    cout<<"2.双击fpga_head.exe自动创建xxxx_new.bin"<<endl;
    cout<<"3.自动将head.data前64B复制到xxxx_new.bin"<<endl;
    cout<<"4.自动修改长度 和 CRC。\n"<<endl;
    struct fin_bin_result  bin_name;
    struct fin_bin_result  data_name;
    char    buffer[MAX_PATH];
    char *  p_buffer;//指向存路径的地址
    string  path_t ;
    string  path ;//包含文件名字的路径
    string  name ;//包含文件名字
    ifstream infile;
    ofstream outfile;  
    string  file_name="" ;   
    int i;
    unsigned char head [64] ;    
    p_buffer = get_cur_path( buffer  ) ;
    unsigned int crcvalue = 0;    
    bin_name =find_bin(  p_buffer  );
    data_name=find_data(  p_buffer  );
    
//    infile.open("a.hex", ios::in | std::ios::binary); 
//    outfile.open("b.hex", ios::out | std::ios::binary  );            
//    outfile<<infile.rdbuf() ;
//    outfile.close();     
//    infile.close();      
    //------------------------------------------------------------------------
    //data文件合法性检查，并将合法的data文件存入 unsigned char head [64] ;  
    //------------------------------------------------------------------------    
    if(data_name.num==0)
    {
        cout<<"当前目录未找到任何xx.data文件！"<<endl;
    }
    else if(data_name.num==1)
    {
        cout<<"\n文件名:"<<data_name.name0<<"\n大小:"<<data_name.name0_size<<"Byte"<<endl;       
        if(data_name.name0_size<64){
            cout<<".data文件size<64B不支持！"<<endl;
        }
        else //>=64B
        {
           infile.open(data_name.name0 ,ios::in | std::ios::binary);             
           infile >> head; 
           infile.close(); 
//           for(int i =0;i<64;i++)
//           {
//            if(i%16==0) cout<<endl; 
//            printf("%02x,",(unsigned int)(unsigned char )head[i]) ;
//           }  
//           cout<<endl; 
        }
    }
    else 
    {
            cout<<"当前目录存在多个data文件！请删除多余的data文件，只保留唯一的data文件\n"<<endl;
    }
    //------------------------------------------------------------------------
    //bin文件合法性检查，并将合法的bin文件存入   
    //------------------------------------------------------------------------ 
    if(bin_name.num==0)
    {
        cout<<"\n 当前目录未找到任何bin文件！"<<endl;
        system("pause");
    }
    else if(bin_name.num==1)
    {
        cout<<"文件名:"<<bin_name.name0<<"\n大小:"<<bin_name.name0_size<<"Byte "<<endl;       
        if(bin_name.name0_size>1024*1024*300)
        {
            cout<<"大于300MB不支持！"<<endl;
            system("pause");
        } 
        else 
        {   
//      cout<<"debug1"<<endl;//dbg
            //存到数组
//            char  *file_buf = new char [1204*1024*10] ;
//            char  *file_buf = new char [1204*1024*10] ;
  char* file_buf = (char*)malloc(1204*1024*20);
  //因为malloc函数的返回值为void*，所以需要强制类型转换为对应类型。
  if (file_buf == NULL)
  {
    printf("内存开辟失败\n");
  }
  else
  {
    printf("内存开辟成功\n");
    //使用...
    //使用结束，释放内存(后面介绍)
           
            infile.open(bin_name.name0, ios::in | std::ios::binary ); 
//            outfile.open("p.bin", ios::out | std::ios::binary  ); 
            infile.read(file_buf,bin_name.name0_size); 
          i=0;
//        while(i<bin_name.name0_size)  
//        {  
//            outfile<<*(file_buf+i);
//            i++;
//        }       
            infile.close();                 
      //将p打出来看看到底是什么        
//          outfile.close();  
            const unsigned char *  buf1 =(unsigned char *)  file_buf;       
//      cout<<"debug2"<<endl;//dbg 
            crcvalue = DRV_FWD_CRC32( buf1,  bin_name.name0_size );  
      cout<< "CRC="<<hex<<crcvalue<<endl;    
            //修改头部长度和CRC
            unsigned int  *  p_len ; 
            unsigned char  temp;
            p_len=  (unsigned int  *)&head[36];
            *p_len=bin_name.name0_size;  
            temp = head[36];head[36]=head[39];head[39]=temp;      temp = head[37];head[37]=head[38];head[38]=temp;
            p_len=  (unsigned int  *)&head[40];
            *p_len=crcvalue ;
            temp = head[40];head[40]=head[43];head[43]=temp;      temp = head[41];head[41]=head[42];head[42]=temp;              
            //将head写入new.bin文件
            cout<<"正在修改头部长度和CRC..."<<endl;//dbg 
//            file_name = file_name.append(bin_name.name0);
            file_name =(char *) (&bin_name.name0);
          
            unsigned  int  str_len = file_name.size();
            cout<<"长度:"<<str_len<<endl;//dbg                
            file_name=file_name.substr(0,str_len-4);//去除原先的.bin后缀
            cout<<"file_name"<<file_name<<endl;//dbg              
            file_name = file_name + "_new.bin";//新增_new.bin后缀
            cout<<"file_name"<<file_name<<endl;//dbg               
            cout<<"创建新文件"<<endl;//dbg             
            outfile.open(file_name,  ios::out | std::ios::binary  );
            cout<<"正在插入64B头..."<<endl;//dbg
            for(int i =0;i<64;i++)
            {
                outfile<<head[i];
//              if(i%16==0) cout<<endl; 
//              printf("%02x,",(unsigned int)(unsigned char )head[i]) ;
            } 
      cout<<endl;//dbg  
//      cout<<"debug5"<<endl;//dbg  
            infile.open(bin_name.name0, ios::in | std::ios::binary); 
            outfile.seekp( 64, ios::beg );
            outfile<<infile.rdbuf() ;
            outfile.close();     
            infile.close();    
        free(file_buf);
      file_buf = NULL;
      } 
        }
    }
    else
    {
        cout<<"\n 当前目录存在多个bin文件！请删除多余的bin文件，只保留一个bin文件 \n"<<endl;
      system("pause");
    }
    cout<<"\n ok"<<endl;//dbg
    return 0;
}
char *  get_cur_path( char   buffer[MAX_PATH]  )  {
//  获取当前路径
//    char   buffer[MAX_PATH];
    getcwd(buffer, MAX_PATH);
//    cout << "当前文件的路径:"<<buffer << endl;
    char * p  = &buffer[0];
    return  p ;
}
//  查找当前路径下的*.bin文件 ,并将查找前两个结果放到fin_bin_result里面
fin_bin_result  find_bin(  string path  )  {
    //文件句柄  
    long   hFile   =   0;  
    struct fin_bin_result   fin_result ={"0",0,"0",0,0} ;//存查找的结果
    struct _finddata_t fileinfo; //定义一个结构体对象，包含文件信息
    string p;     
    if((hFile = _findfirst(p.assign(path).append("\\*.bin").c_str(),&fileinfo)) !=  -1){  //如果找到了第一个文件 是bin文件   
            strcpy(fin_result.name0 , fileinfo.name)    ;//存下文件名
            fin_result.name0_size = fileinfo.size;
            fin_result.num = fin_result.num + 1 ;
            while(_findnext(hFile, &fileinfo)  == 0){
                strcpy(fin_result.name1 , fileinfo.name)    ;//存下文件名    
                fin_result.name1_size = fileinfo.size;   
                fin_result.num = fin_result.num + 1 ;           
                if(fin_result.num>1){
                    break;
                }   
            };          
    } 
     _findclose(hFile); 
    return  fin_result ;
}
fin_bin_result  find_data(  string path  )  {
    //文件句柄  
    long   hFile   =   0;  
    struct fin_bin_result   fin_result ={"0",0,"0",0,0} ;//存查找的结果
    struct _finddata_t fileinfo; //定义一个结构体对象，包含文件信息
    string p;     
    if((hFile = _findfirst(p.assign(path).append("\\*.data").c_str(),&fileinfo)) !=  -1){  //如果找到了第一个文件 是bin文件   
            strcpy(fin_result.name0 , fileinfo.name)    ;//存下文件名
            fin_result.name0_size = fileinfo.size;
            fin_result.num = fin_result.num + 1 ;
            while(_findnext(hFile, &fileinfo)  == 0){
                strcpy(fin_result.name1 , fileinfo.name)    ;//存下文件名    
                fin_result.name1_size = fileinfo.size;   
                fin_result.num = fin_result.num + 1 ;           
                if(fin_result.num>1){
                    break;
                }   
            };          
    } 
     _findclose(hFile); 
    return  fin_result ;
}
ULONG DRV_FWD_CRC32( const UCHAR *buf,  ULONG len)
{
    ULONG ulCrc = 0xffffffff;
    while ( 0 != (len--)) 
    {
      ulCrc = FWD_CRC_Table[(ulCrc ^ (*buf)) & 0xff] ^ (ulCrc >> 8);
      buf++;
    }    
    return ulCrc;
} 
std::string readFileIntoString(const std::string &filename)
{
   std::ifstream ifs(filename);
   std::ostringstream oss;
   oss << ifs.rdbuf();
   return oss.str();
}