change example code to do mrb_close()

I was hoping this would cause valgrind to complain less, but there is still
a lot of memory leaked (does mrb_close() actually free all of the managed
blocks?)  Anyway this helps somewhat and is good practice

3 files changed, 6 insertions, 0 deletions

diff --git a/tools/mirb/mirb.c b/tools/mirb/mirb.c
index a5285df0f..459923768 100644
--- a/tools/mirb/mirb.c
+++ b/tools/mirb/mirb.c
@@ -227,6 +227,7 @@ main(void)
       }
     }
   }
+  mrb_close(mrb_interpreter);
 
   return 0;
 }
diff --git a/tools/mrbc/mrbc.c b/tools/mrbc/mrbc.c
index dd210bfa9..e711b69cb 100644
--- a/tools/mrbc/mrbc.c
+++ b/tools/mrbc/mrbc.c
@@ -163,12 +163,14 @@ main(int argc, char **argv)
   if (n < 0 || args.rfp == NULL) {
     cleanup(&args);
     usage(argv[0]);
+    mrb_close(mrb);
     return n;
   }
 
   p = mrb_parse_file(mrb, args.rfp);
   if (!p || !p->tree || p->nerr) {
     cleanup(&args);
+    mrb_close(mrb);
     return -1;
   }
 
@@ -183,6 +185,7 @@ main(int argc, char **argv)
 
   if (n < 0 || args.check_syntax) {
     cleanup(&args);
+    mrb_close(mrb);
     return n;
   }
   if (args.initname) {
@@ -196,6 +199,7 @@ main(int argc, char **argv)
   }
 
   cleanup(&args);
+  mrb_close(mrb);
 
   return n;
 }
diff --git a/tools/mruby/mruby.c b/tools/mruby/mruby.c
index 50c99345b..8b227df5d 100644
--- a/tools/mruby/mruby.c
+++ b/tools/mruby/mruby.c
@@ -130,6 +130,7 @@ cleanup(mrb_state *mrb, struct _args *args)
     mrb_free(mrb, args->cmdline);
   if (args->argv)
     mrb_free(mrb, args->argv);
+  mrb_close(mrb);
 }
 
 int