- while (g_snprintf (name, 10, "VAR%05d",d++),
- psppire_dict_lookup_var (dict, name))
- ;
+ for (d = 1; ; d++)
+ {
+ int len;
+
+ /* TRANSLATORS: This string must be a valid variable name. That means:
+ - The string must be at most 64 bytes (not characters) long.
+ - The string may not contain whitespace.
+ - The first character may not be '$'
+ - The first character may not be a digit
+ - The final charactor may not be '.' or '_'
+ */
+ len = snprintf (name, size, _("Var%04d"), d);
+ if (len + 1 >= size)
+ return false;
+
+ if (psppire_dict_lookup_var (dict, name) == NULL)
+ return true;
+ }