C / C++ / MFC

DavidCrow wrote:

void add_number_of_subunits (int& data)
{
string buff;

do
{
cout << endl;
cout << "Please enter number of subunits: ";
cin >> buff;

} while (atoi(buff.c_str()) < 1 || atoi(buff.c_str()) > 12);

data = atoi(buff.c_str());
}

void add_number_of_subunits (int& data)
{
    int check = 0;
     
    do
    { 	
        cout << endl;
        cout << "Please enter number of subunits: ";
        cin >> check; 
    } while (check < 1 || check > 12);	
 
    data = check; 
}

Zac Howland wrote:

This code looks vaguely familiar ... someone else was asking about a similar problem a couple weeks ago.

Zac Howland wrote:

int check = 0;
...
cin >> check;

DavidCrow wrote:

Same person. Still using sscanf() for validation, even though you provided him an alternative!

DavidCrow wrote:

I thought about this (i.e., using an int), but since he was storing the input string for later processing, I left it as a string.

Harold_Wishes wrote:

1) I want the user to be able to bypass keyboard entrys when they hit ENTER if they choose to skip a question. Now when I hit ENTER, the program will not let me go to the next cout prompt. It is waiting for something other than "\n" character. I believe this is why I used my getline implementation.

Harold_Wishes wrote:

2)Also, if I type in something like "new terminal", such entrys delimited by a space seem to cause the next cin input to read in the second string. But I need to test the output some more with this second issue since I'm getting other strange results.

char buffer[501] = {0}; // buffer for input

cout << "Please enter the length of the protein sequence for Subunit;
cin.getline(buffer, 500, '\n'); 
cin.getline(buffer, 500, '\n');

char buffer[501] = {0}; // buffer for input<br />
char buffer1[501] = {0}; // buffer for clearing<br />
<br />
cout << "Please enter the length of the protein sequence for Subunit;<br />
cin.getline(buffer, 500, '\n'); <br />
cin.getline(buffer1, 500, '\n');

char buffer[501] = {0}; // buffer for input

cout << "Please enter the length of the protein sequence;
cin >> buffer; 
cin.getline(buffer, 500, '\n');

Harold_Wishes wrote:

1) I want the user to be able to bypass keyboard entrys when they hit ENTER if they choose to skip a question. Now when I hit ENTER, the program will not let me go to the next cout prompt. It is waiting for something other than "\n" character. I believe this is why I used my getline implementation.

do
{
    cin.clear();           // reset cin, so more input can be done
    cin.ignore(100, '\n'); // remove bad data, up to 100 characters
                           // or until the end of line is reached
    cout << "Please enter number of subunits: ";
    cin >> data;
} while (! cin && (data < 1 || data > 12));

Harold_Wishes wrote:

2)Also, if I type in something like "new terminal", such entrys delimited by a space seem to cause the next cin input to read in the second string. But I need to test the output some more with this second issue since I'm getting other strange results.

string buffer;
cout << "Please enter the length of the protein sequence for Subunit " << increment << "> ";
getline(cin, buffer);

ningthemcha wrote:

when i Try to do same thing with DoModal
it is nit working .

pgav wrote:

I know that Visual Studio has the ability to work with Makefiles, however, I'm not able to make it work...