IO#readpartial rejects bad args

Sometimes a sleepy developer will want to swap read_nonblock
for readpartial forget to remove "exception: false"

* io.c (io_getpartial): remove unused kwarg from template
* test/ruby/test_io.rb (test_readpartial_bad_args): new
  [Bug #11885]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53329 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/io.c b/io.c
index 2bf7cd7512..5c8a66d143 100644
--- a/io.c
+++ b/io.c
@@ -2506,7 +2506,7 @@ io_getpartial(int argc, VALUE *argv, VALUE io, VALUE opts, int nonblock)
     long n, len;
     struct read_internal_arg arg;
 
-    rb_scan_args(argc, argv, "11:", &length, &str, NULL);
+    rb_scan_args(argc, argv, "11", &length, &str);
 
     if ((len = NUM2LONG(length)) < 0) {
 	rb_raise(rb_eArgError, "negative length %ld given", len);