Use mrb_str_cat() instead of mrb_str_cat2() as possible.

1 files changed, 6 insertions, 6 deletions

diff --git a/src/error.c b/src/error.c
index 7cb6b53ef..6edff6f03 100644
--- a/src/error.c
+++ b/src/error.c
@@ -129,25 +129,25 @@ exc_inspect(mrb_state *mrb, mrb_value exc)
 
   if (!mrb_nil_p(file) && !mrb_nil_p(line)) {
     str = file;
-    mrb_str_cat2(mrb, str, ":");
+    mrb_str_cat(mrb, str, ":", 1);
     mrb_str_append(mrb, str, line);
-    mrb_str_cat2(mrb, str, ": ");
+    mrb_str_cat(mrb, str, ": ", 2);
     if (!mrb_nil_p(mesg) && RSTRING_LEN(mesg) > 0) {
       mrb_str_append(mrb, str, mesg);
-      mrb_str_cat2(mrb, str, " (");
+      mrb_str_cat(mrb, str, " (", 2);
     }
     mrb_str_cat2(mrb, str, mrb_obj_classname(mrb, exc));
     if (!mrb_nil_p(mesg) && RSTRING_LEN(mesg) > 0) {
-      mrb_str_cat2(mrb, str, ")");
+      mrb_str_cat(mrb, str, ")", 1);
     }
   }
   else {
     str = mrb_str_new_cstr(mrb, mrb_obj_classname(mrb, exc));
     if (!mrb_nil_p(mesg) && RSTRING_LEN(mesg) > 0) {
-      mrb_str_cat2(mrb, str, ": ");
+      mrb_str_cat(mrb, str, ": ", 2);
       mrb_str_append(mrb, str, mesg);
     } else {
-      mrb_str_cat2(mrb, str, ": ");
+      mrb_str_cat(mrb, str, ": ", 2);
       mrb_str_cat2(mrb, str, mrb_obj_classname(mrb, exc));
     }
   }