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-rw-r--r--ext/socket/ancdata.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/ext/socket/ancdata.c b/ext/socket/ancdata.c
index 4d299ec334..9e93b0457e 100644
--- a/ext/socket/ancdata.c
+++ b/ext/socket/ancdata.c
@@ -1067,7 +1067,8 @@ ancillary_inspect(VALUE self)
if (!inspected) {
data = rb_str_dump(data);
- rb_str_catf(ret, " %s", StringValueCStr(data));
+ rb_str_cat2(ret, " ");
+ rb_str_append(ret, data);
}
rb_str_cat2(ret, ">");