void deleteByOffset(DeletionHandler *dh, long offset) {
long head = readLong(dh->bfr, 0L); // read head
seekBinaryFile(dh->bfr->bf, offset); // point to offset
int size = readInt(dh->bfr, getStreamOffset(dh->bfr->bf));
size *= -1; // delete
seekBinaryFile(dh->bfw->bf, offset);
writeInt(dh->bfw, size, getStreamOffset(dh->bfw->bf)); // write deleted
seekBinaryFile(dh->bfw->bf, (offset + sizeof(int)));
writeLong(dh->bfw, head, getStreamOffset(dh->bfw->bf)); // write head
writeLong(dh->bfw, offset, 0L); // updated head with new offset
}
void selectTables(TableManager *tm) {
BinaryFile *bf = newBinaryFile(tm->fileName);
if(getBinaryFileSize(bf) > 0) {
BinaryFileReader *bfr = newBinaryFileReader(bf, DELIMITER);
seekBinaryFile(bf, 0L);
long offset = getStreamOffset(bf);
while(offset < getBinaryFileSize(bf)) {
char *fileName = readString(bfr, offset);
setArrayListObject(tm->names, fileName, tm->names->length);
offset += (sizeof(char)*(strlen(fileName) + 1));
}
deleteBinaryFileReader(bfr);
}
deleteBinaryFile(bf);
}
off_t MDATAtom::getEOF()
{
return getStreamOffset() + getAtomSize();
}
