Re: [Dev-C++] RE: need help using cin.getline()

[People == D. <el...@ho...>]

whoa. do not use this. it is very poor style, inefficient and could lead to 
problems. if you have something in the keyboard buffer, just use a flush 
function before your next input.


>From: "<dA-Vin-G>" <vin...@ed...>
>To: "Dev-C++ mailing list" <dev...@li...>
>Subject: [Dev-C++] RE: need help using cin.getline()
>Date: Sun, 14 Oct 2001 13:09:38 +0800
>
>I dont really know if this is right or not, I'm still learning C++ but I 
>think I can help at this problem of yours. I had experience in programming 
>other languages and I hope it helps...
>
>I actually debugged you code. It wasn't really the program's error but a 
>LOGICAL ERROR - that is, the syntax is right, the compiler says it is 
>right, but what it does is "wrong". Still with me?
>
>My solution, I added the following line(s) to your code. Fortunately it 
>worked. I hope this works...
>
>char AbsorbKey[2];
>cin.getline(AbsorbKey, 50);
>
>I added them to the "void menu()" function. It now looks like this:
>
>void menu() {
>     Book *storedBooks= new Book [20];
>     unsigned short int counter=1;
>
>     int exit=1;
>     while(exit) {
>         unsigned short int menuChoice;
>         cout << "\n\n ***Welcome to the Library of
>         E-Books***\n\n\n";
>         cout << " (1) View Sample Book Info\n";
>         cout << " (2) Store New Book Info\n";
>         cout << " (3) Search Book Info\n";
>         cout << " (4) Leave the Library\n\n\n";
>         cout << " Enter Choice #: ";
>         cin >> menuChoice;
>
>         // This is what I added =>
>
>         char AbsorbKey[2];
>         cin.getline(AbsorbKey, 50);
>
>         // :~
>
>         switch(menuChoice) {
>
>             //...
>
>         }//end switch(menuChoice)
>
>         delete [] storedBooks;
>
>     }//end while loop
>
>}//end menu()
>
>Explanation:
>I don't really know how or why it happened. I arrived at this solution 
>because when I was debugging it (without the lines I added), I noticed that 
>the first byte of bAuthor always changes to "/00" or simply a empty 
>character. And then, it would pass the cin.getline() and assumed that there 
>was already input from the user.
>
>A hunch - a character that cant be read by "cin >> int" was passed to 
>"cin.getline(char[], int)". The function thought that it had already 
>recieved the input it needed.
>
>I dont think this is the right explanation. But I hope it works for you... 
>It worked for me
>
>
>
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