//--------------------------------------------------------------- // Copy File, not only data but also attributes ;-) //--------------------------------------------------------------- void TJerFile::CopyFile( const char *sourcepath, const char *destinationpath ) { BFile *source = 0L, *destination = 0L; entry_ref ref; uint8 data[2048]; int32 len = 2048; char buf[B_ATTR_NAME_LENGTH]; void *buffer = NULL; int32 lengthR,lengthW; attr_info attribute; BEntry entry( sourcepath ); if( B_OK == entry.InitCheck() ) { if( B_OK == entry.GetRef( &ref ) ) { source = new BFile( &ref ,B_READ_ONLY); } else { string truc("Error opening file in read only mode: "); truc = truc + sourcepath; GeneralException excep(truc.c_str(),"BJerFile::CopyFile"); throw(excep); } } else { string truc("Error constructing file object: "); truc = truc + sourcepath; GeneralException excep(truc.c_str(),"BJerFile::CopyFile"); throw(excep); } entry.SetTo( destinationpath ); if( B_OK == entry.InitCheck() ) { if( B_OK == entry.GetRef( &ref ) ) { destination = new BFile( &ref ,B_READ_WRITE | B_CREATE_FILE | B_ERASE_FILE); } else { string truc("Error opening file in read write mode: "); truc = truc + destinationpath; GeneralException excep(truc.c_str(),"BJerFile::CopyFile"); throw(excep); } } else { string truc("Error destination constructing file object: "); truc = truc + destinationpath; GeneralException excep(truc.c_str(),"BJerFile::CopyFile"); throw(excep); } if( source && destination ) { BMessage *AMessage; AMessage = new BMessage(B_UPDATE_STATUS_BAR); AMessage->AddFloat("delta",1.0); AMessage->AddString("text","Copy..."); AMessage->AddString("trailingtext",destinationpath); MyInvoker.Invoke(AMessage); delete AMessage; while (source->GetNextAttrName(buf) == B_NO_ERROR) { source->GetAttrInfo(buf,&attribute); if (buffer!=NULL) { free(buffer); } buffer = (void *)malloc(sizeof(char)*(attribute.size +1)); lengthR = source->ReadAttr(buf,attribute.type,0,buffer,attribute.size); lengthW = destination->WriteAttr(buf,attribute.type,0,buffer,lengthR); if (lengthR!=lengthW) { string truc("Error copying attribute for file : "); truc = truc + destinationpath; GeneralException excep(truc.c_str(),"BJerFile::CopyFile"); throw(excep); } switch(lengthR) { case B_ENTRY_NOT_FOUND: { GeneralException excep("The attribute doesn't exist.","BJerFile::CopyFile"); throw(excep); break; } case B_FILE_ERROR : { GeneralException excep2("The object is uninitialized.","BJerFile::CopyFile"); throw(excep2); break; } } switch(lengthW) { case B_FILE_ERROR : { GeneralException excep3("This object is a read-only BFile.","BJerFile::CopyFile"); throw(excep3); break; } case B_NOT_ALLOWED : { GeneralException excep4("The node is on a read-only volume.","BJerFile::CopyFile"); throw(excep4); break; } case B_DEVICE_FULL : { GeneralException excep5("Out of disk space.","BJerFile::CopyFile"); throw(excep5); break; } case B_NO_MEMORY : { GeneralException excep6("Not enough memory.","BJerFile::CopyFile"); throw(excep6); break; } } } for( ;; ) { len = source->Read( data, len ); if( len == 0 ) break; destination->Write( data, len ); if( len != 2048 ) break; } //---------- freeing some resources... delete source; delete destination; } }
int main(void) { printf("%d\n", truc(1, 1, 2)); }
int32 TJerFile::CRCFile(BFile *fichier) { /*int32 CRCTbl[256] = { 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d }; */ //int32 BJerFile::CRCFile(BFile *fichier) //{ char buffer[1024]; ssize_t amt_read; int32 CRCNbr = -1; //--------------------- return CRCNbr; //---------------------- for (;;) { amt_read = fichier->Read(buffer, 1024); if ( amt_read < 0 ) { string truc("Error in reading File."); GeneralException excep(truc.c_str(),"BJerFile::CRCFile"); throw(excep); } else { if (amt_read==0) break; //Normal exit... for (int ind=0;ind<amt_read;ind++) { // CRCNbr = CRCTbl[int8(CRCNbr xor int32(buffer[ind]))] xor ((CRCNbr >> 8) and 0x00FFFFFF); // ShowMessage("CRCNbr: ",CRCNbr); } } } return CRCNbr; }
int machin(int n) { int i, a, b; return truc(0, 42, 4); }