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-rw-r--r--libguile/srcprop.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/libguile/srcprop.c b/libguile/srcprop.c
index f9b000c47..4eb1ccaac 100644
--- a/libguile/srcprop.c
+++ b/libguile/srcprop.c
@@ -125,23 +125,23 @@ scm_make_srcprops (long line, int col, SCM filename, SCM copy, SCM alist)
thread safety.
*/
SCM last_acons = SCM_CDR (scm_last_alist_filename);
- if (old_alist == SCM_EOL
- && SCM_CDAR (last_acons) == filename)
+ if (scm_is_null (old_alist)
+ && scm_is_eq (SCM_CDAR (last_acons), filename))
{
alist = last_acons;
}
else
{
alist = scm_acons (scm_sym_filename, filename, alist);
- if (old_alist == SCM_EOL)
+ if (scm_is_null (old_alist))
SCM_SETCDR (scm_last_alist_filename, alist);
}
}
SCM_RETURN_NEWSMOB3 (scm_tc16_srcprops,
SRCPROPMAKPOS (line, col),
- copy,
- alist);
+ SCM_UNPACK (copy),
+ SCM_UNPACK (alist));
}