[Qt-interest] Segmentation fault while converting from QString to char*

[Alexandre Beraud]

You have to copy the exact number of bytes pointed to by constData(), 
not the arbitrary size of the future container. Depending on the 
encoding, the size might not be the number of characters in the QString. 
Try ba.size()+1, since the byte at position size() is '\0' and you will 
need it to mark the end of your array of characters.

Regards,

Alex


Nikos Chantziaras a écrit :
> Try:
>
>    QByteArray ba = qt_file_name.toLatin1();
>    strncpy(file_name, ba.constData(), file_name_size);
>
> 'file_name_size' is the size of the 'file_name' target buffer (for 
> example "100" if you allocated file_name with "file_name = new char[100]".)
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