diff options
Diffstat (limited to 'libguile/variable.c')
-rw-r--r-- | libguile/variable.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/libguile/variable.c b/libguile/variable.c index 76fbf1821..a9cc60e20 100644 --- a/libguile/variable.c +++ b/libguile/variable.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995,1996,1997,1998,2000,2001, 2006, 2008 Free Software Foundation, Inc. +/* Copyright (C) 1995,1996,1997,1998,2000,2001, 2006, 2008, 2011 Free Software Foundation, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License @@ -92,7 +92,7 @@ SCM_DEFINE (scm_variable_ref, "variable-ref", 1, 0, 0, SCM val; SCM_VALIDATE_VARIABLE (1, var); val = SCM_VARIABLE_REF (var); - if (val == SCM_UNDEFINED) + if (scm_is_eq (val, SCM_UNDEFINED)) SCM_MISC_ERROR ("variable is unbound: ~S", scm_list_1 (var)); return val; } @@ -130,7 +130,7 @@ SCM_DEFINE (scm_variable_bound_p, "variable-bound?", 1, 0, 0, #define FUNC_NAME s_scm_variable_bound_p { SCM_VALIDATE_VARIABLE (1, var); - return scm_from_bool (SCM_VARIABLE_REF (var) != SCM_UNDEFINED); + return scm_from_bool (!scm_is_eq (SCM_VARIABLE_REF (var), SCM_UNDEFINED)); } #undef FUNC_NAME |