I am trying to read a file using ifstream and a char* variable as part of an assignment.
What I am trying to achieve is read a file, encrypt it and save the outcome (which is another char* variable to another file. I am doing it in visual c++ 2010.
I've tried to read it first as a whole file into a char array I used a small text file so it passed. But when I tried with a big one, it naturally failed due to the large amount of data.
My second option was to read it word by word with the following code:
// open the files for reading/writing
process(buf, outB, key);
osf << outB;
// close the files
process is a simple caesar cipher.
Now with this implementation I am reading the file, finding where a word is and ciphering it then write it to the ofstream. I have two problems with that:
1. If a file line length is huge (like more than 80+ chars) the program hangs.
2. If the file line length is normal, it cuts off the empty character.
How can I get that empty character back and how can I prevent the large 80+ chars hang?
I know that you can implement it with std::string, but I think the point here is using char* variables.