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-rw-r--r--ext/zlib/zlib.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c
index d5a18dd..8cec7fb 100644
--- a/ext/zlib/zlib.c
+++ b/ext/zlib/zlib.c
@@ -3097,9 +3097,7 @@ gzfile_s_open(int argc, VALUE *argv, VALUE klass, const char *mode)
{
VALUE io, filename;
- if (argc < 1) {
- rb_raise(rb_eArgError, "wrong number of arguments (0 for 1)");
- }
+ rb_check_arity(argc, 1, UNLIMITED_ARGUMENTS);
filename = argv[0];
io = rb_file_open_str(filename, mode);
argv[0] = io;