文本文件保存为二进制文件

最新推荐文章于 2022-11-10 19:56:22 发布

原创最新推荐文章于 2022-11-10 19:56:22 发布 · 1.3k 阅读

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#stream #file #null #ios

bool cFileCtrl::saveFile()
{
ofstream binfile("packUI.bin",ios::binary);
for ( unsigned int i = 0; i < allFileName.size(); i++)
{
FILE* stream;
string fileString = '$'+ allFileName[i].cPath+ '$';

   if( (stream = fopen( allFileName[i].cPath.c_str(), "r+b" )) == NULL )
   {
    printf( "The bin file %s was not opened/n", allFileName[i].name.c_str() );
    return false;
   }
   else
   {
    fseek(stream, 0, SEEK_END);
    long length = ftell(stream);
    char* allc = (char*)malloc(length);
    memset(allc, 0, length);
    fseek(stream, 0, SEEK_SET);
    char fileLeng[8] = {0};
    sprintf(fileLeng, "%d", length);
    fileString = fileString + fileLeng;
    fileString = fileString + "$";

int tt = 0;

    char* p = allc;
    while( !feof( stream ) )
    {
     char buf[128];
     ZeroMemory( buf, 128);
     tt = fread(buf, sizeof(char), 100, stream);
     memcpy(p, buf, tt);
     p += tt;
    }
    binfile.write(fileString.c_str(),fileString.length());
    binfile.write(allc,length);
    free(allc);
   }
   fclose( stream );
}
return true;
}