Re: [Vala] String manipulation => double free crash

[Frederik <scumm_fredo gmx net>]

Andrew Flegg wrote:
> Hi,
>
> Attached is a very simple Vala program which demonstrates a problem
> I'm having with 0.3.4.

To me this looks like a bug with the ?: operator, because if you
substitute it with if/else the code will work:

---------------------------------------------------------------------
public class DoubleFreeTest : Object {

    public static void main() {
        stdout.printf("%s\n", javaName("Gee"));
    }

    public static string javaName(string name) {
        string result = "";
        bool doneOne = false;
        foreach (string bit in name.split("_")) {
            if (doneOne) {
                result += ucfirst(bit);
            } else {
                result += bit;
            }
            stdout.printf("%s\n", result);
            doneOne = true;
        }

        return result;
    }

    private static string ucfirst(string arg) {
      return arg.up(1) + arg.substring(1, arg.len() - 1);
    }
}
---------------------------------------------------------------------

Recently I had a similar problem using the ?: operator in combination
with an assignment:

http://bugzilla.gnome.org/show_bug.cgi?id=543870

Perhaps it's the same.


Regards,

Frederik