Add `mrb_num_args_error()` for "wrong number of arguments" error

To unify the style of messages.

3 files changed, 3 insertions, 3 deletions

diff --git a/mrbgems/mruby-io/src/io.c b/mrbgems/mruby-io/src/io.c
index 5bc88e047..bc1b9cbbf 100644
--- a/mrbgems/mruby-io/src/io.c
+++ b/mrbgems/mruby-io/src/io.c
@@ -1060,7 +1060,7 @@ mrb_io_s_select(mrb_state *mrb, mrb_value klass)
   mrb_get_args(mrb, "*", &argv, &argc);
 
   if (argc < 1 || argc > 4) {
-    mrb_raisef(mrb, E_ARGUMENT_ERROR, "wrong number of arguments (%i for 1..4)", argc);
+    mrb_num_args_error(mrb, argc, 1, 4);
   }
 
   timeout = mrb_nil_value();
diff --git a/mrbgems/mruby-socket/src/socket.c b/mrbgems/mruby-socket/src/socket.c
index 53cd9f4aa..3008b1d83 100644
--- a/mrbgems/mruby-socket/src/socket.c
+++ b/mrbgems/mruby-socket/src/socket.c
@@ -476,7 +476,7 @@ mrb_basicsocket_setsockopt(mrb_state *mrb, mrb_value self)
     optname = mrb_fixnum(mrb_funcall(mrb, so, "optname", 0));
     optval = mrb_funcall(mrb, so, "data", 0);
   } else {
-    mrb_raisef(mrb, E_ARGUMENT_ERROR, "wrong number of arguments (%i for 3)", argc);
+    mrb_num_args_error(mrb, argc, 3, 3);
   }
 
   s = socket_fd(mrb, self);
diff --git a/mrbgems/mruby-struct/src/struct.c b/mrbgems/mruby-struct/src/struct.c
index 2d82c2466..726b66f96 100644
--- a/mrbgems/mruby-struct/src/struct.c
+++ b/mrbgems/mruby-struct/src/struct.c
@@ -274,7 +274,7 @@ mrb_struct_s_def(mrb_state *mrb, mrb_value klass)
   name = mrb_nil_value();
   mrb_get_args(mrb, "*&", &argv, &argc, &b);
   if (argc == 0) { /* special case to avoid crash */
-    mrb_raise(mrb, E_ARGUMENT_ERROR, "wrong number of arguments");
+    mrb_num_args_error(mrb, argc, 1, -1);
   }
   else {
     pargv = argv;