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Diffstat (limited to 'ext/dl/cptr.c')
-rw-r--r--ext/dl/cptr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/dl/cptr.c b/ext/dl/cptr.c
index fe83c7adf6..b947ef27ef 100644
--- a/ext/dl/cptr.c
+++ b/ext/dl/cptr.c
@@ -430,7 +430,7 @@ rb_dlptr_s_to_ptr(VALUE self, VALUE val)
}
else if( rb_obj_is_kind_of(val, rb_cString) == Qtrue ){
char *ptr = StringValuePtr(val);
- return rb_dlptr_new(ptr, RSTRING(val)->len, NULL);
+ return rb_dlptr_new(ptr, RSTRING_LEN(val), NULL);
}
else if( rb_respond_to(val, id_to_ptr) ){
VALUE vptr = rb_funcall(val, id_to_ptr, 0);