- char const *host = get_system_name ();
- ptrdiff_t pathsize = strlen (home) + sizeof xdefaults + strlen (host);
- path = (char *) xrealloc (home, pathsize);
+ char const *host = SSDATA (Vsystem_name);
+ ptrdiff_t pathsize = (strlen (home) + sizeof xdefaults
+ + SBYTES (Vsystem_name));
+ path = xrealloc (home, pathsize);