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-rw-r--r--ext/stringio/stringio.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/ext/stringio/stringio.c b/ext/stringio/stringio.c
index c57b40f..9c23daf 100644
--- a/ext/stringio/stringio.c
+++ b/ext/stringio/stringio.c
@@ -1271,6 +1271,7 @@ strio_read(int argc, VALUE *argv, VALUE self)
long len;
int binary = 0;
+ rb_check_arity(argc, 0, 2);
switch (argc) {
case 2:
str = argv[1];
@@ -1307,8 +1308,6 @@ strio_read(int argc, VALUE *argv, VALUE self)
len -= ptr->pos;
}
break;
- default:
- rb_raise(rb_eArgError, "wrong number of arguments (%d for 0)", argc);
}
if (NIL_P(str)) {
str = strio_substr(ptr, ptr->pos, len);