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help please

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Join Date: Feb 2009

Posts: 13

Reputation: Brandon515 is an unknown quantity at this point

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Brandon515 Brandon515 is offline

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Newbie Poster

help please

Nov 4th, 2009

hey guys, ok here's the situation. i need to turn a C++ style string into an integer now i've used altoi and strtol but they give me different numbers. heres my code

 Help with Code Tags 
 C++ Syntax (Toggle Plain Text) 
    cout << file << endl << file.c_str() << endl; // debugging purposes
    num = strtol(file.c_str(), &pEnd, 10); // actual conversion
    return num; // return
    cout << file << endl << file.c_str() << endl; // debugging purposes
    num = strtol(file.c_str(), &pEnd, 10); // actual conversion
    return num; // return

and my output is

 Help with Code Tags 
 C++ Syntax (Toggle Plain Text) 
8178858588
8178858588
2147483647 (where i printed out the return)
8178858588
8178858588
2147483647 (where i printed out the return)

can anybody explain this to me?

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Join Date: Aug 2007

Posts: 1,679

Reputation: vmanes is a splendid one to behold

Solved Threads: 193

vmanes

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Posting Virtuoso

Nov 4th, 2009

What's the largest value that can be stored in a long int?

How does that limit compare to the value you're trying to stuff into a long int?

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