* include/ruby/intern.h: Add rb_check_arity, rb_error_arity [#6085]

* array.c: Use rb_check_arity / rb_error_arity

* class.c: ditto

* enumerator.c: ditto

* eval.c: ditto

* file.c: ditto

* hash.c: ditto

* numeric.c: ditto

* proc.c: ditto

* process.c: ditto

* random.c: ditto

* re.c: ditto

* signal.c: ditto

* string.c: ditto

* struct.c: ditto

* transcode.c: ditto

* vm_eval.c: ditto

* vm_insnhelper.c: ditto & implementation of rb_error_arity

* test/ruby/test_arity.rb: tests for above

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35024 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 7 deletions

diff --git a/process.c b/process.c
index 2323195f8f..494b533c60 100644
--- a/process.c
+++ b/process.c
@@ -1721,9 +1721,7 @@ rb_check_argv(int argc, VALUE *argv)
     int i;
     const char *name = 0;
 
-    if (argc == 0) {
-	rb_raise(rb_eArgError, "wrong number of arguments");
-    }
+    rb_check_arity(argc, 1, UNLIMITED_ARGUMENTS);
 
     prog = 0;
     tmp = rb_check_array_type(argv[0]);
@@ -3385,11 +3383,9 @@ rb_f_sleep(int argc, VALUE *argv)
     if (argc == 0) {
 	rb_thread_sleep_forever();
     }
-    else if (argc == 1) {
-	rb_thread_wait_for(rb_time_interval(argv[0]));
-    }
     else {
-	rb_raise(rb_eArgError, "wrong number of arguments (%d for 0..1)", argc);
+	rb_check_arity(argc, 0, 1);
+	rb_thread_wait_for(rb_time_interval(argv[0]));
     }
 
     end = time(0) - beg;