-/* Copyright (C) 1995,1996 Free Software Foundation
+/* Copyright (C) 1995, 1996, 1998 Free Software Foundation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
SCM_SYMBOL (scm_yes_sym, "yes");
SCM_SYMBOL (scm_no_sym, "no");
+static SCM protected_objects;
SCM
-scm_options (new_mode, options, n, s)
- SCM new_mode;
+scm_options (arg, options, n, s)
+ SCM arg;
scm_option options[];
int n;
- char *s;
+ const char *s;
{
- int i, docp = (!SCM_UNBNDP (new_mode)
- && (SCM_IMP (new_mode) || SCM_NCONSP (new_mode)));
- SCM ans = SCM_EOL, ls;
+ int i, docp = (!SCM_UNBNDP (arg)
+ && !SCM_NULLP (arg)
+ && (SCM_IMP (arg) || SCM_NCONSP (arg)));
+ /* Let `arg' GC protect the arguments */
+ SCM new_mode = arg, ans = SCM_EOL, ls;
for (i = 0; i < n; ++i)
{
ls = docp ? scm_cons ((SCM) options[i].doc, SCM_EOL) : ans;
flags[i] = SCM_CAR (new_mode);
goto cont;
}
-#ifndef RECKLESS
+#ifndef SCM_RECKLESS
scm_must_free ((char *) flags);
scm_wta (SCM_CAR (new_mode), "Unknown mode flag", s);
#endif
cont:
new_mode = SCM_CDR (new_mode);
}
- for (i = 0; i < n; ++i) options[i].val = flags[i];
+ for (i = 0; i < n; ++i)
+ {
+ if (options[i].type == SCM_OPTION_SCM)
+ SCM_SETCDR (protected_objects,
+ scm_cons (flags[i],
+ scm_delq1_x (options[i].val,
+ SCM_CDR (protected_objects))));
+ options[i].val = flags[i];
+ }
scm_must_free ((char *) flags);
}
return ans;
options[i].name = (char *) SCM_CAR (scm_sysintern0 (options[i].name));
options[i].doc = (char *) scm_permanent_object (scm_take0str
(options[i].doc));
+ if (options[i].type == SCM_OPTION_SCM)
+ SCM_SETCDR (protected_objects,
+ scm_cons (options[i].val, SCM_CDR (protected_objects)));
}
func (SCM_UNDEFINED);
}
void
scm_init_options ()
{
+ protected_objects = scm_permanent_object (scm_cons (SCM_UNDEFINED, SCM_EOL));
#include "options.x"
}