- // The list of characters to keep is probably over-restrictive,
- // but it is not really a problem.
- // Apart from non-ASCII characters, at least the following characters
- // are forbidden: '/', '.', ' ', and ':'.
- // On windows it is not possible to create files with '<', '>' or '?'
- // in the name.
- static string const keep = "abcdefghijklmnopqrstuvwxyz"
- "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
- "+-0123456789;=";
- string::size_type pos = 0;
- while ((pos = mname.find_first_not_of(keep, pos)) != string::npos)
- mname[pos++] = '_';