Reduce strlen(). refs #301

src/dump.c

@@ -222,15 +222,16 @@ get_pool_block_size(mrb_state *mrb, mrb_irep *irep, int type)
 
   for (pool_no = 0; pool_no < irep->plen; pool_no++) {
     uint16_t nlen =0;
+    int len;
 
     switch (irep->pool[pool_no].tt) {
     case MRB_TT_FIXNUM:
-      sprintf( buf, "%d", irep->pool[pool_no].value.i);
-      size += strlen(buf);
+      len = sprintf( buf, "%d", irep->pool[pool_no].value.i);
+      size += (uint32_t)len;
       break;
     case MRB_TT_FLOAT:
-      sprintf( buf, "%.16e", irep->pool[pool_no].value.f);
-      size += strlen(buf);
+      len = sprintf( buf, "%.16e", irep->pool[pool_no].value.f);
+      size += (uint32_t)len;
       break;
     case MRB_TT_STRING:
       str = mrb_string_value( mrb, &irep->pool[pool_no]);

src/vm.c

@@ -892,8 +892,8 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
         struct REnv *e = uvenv(mrb, lv-1);
 	if (!e) {
 	  mrb_value exc;
-	  const char *m = "super called outside of method";
-	  exc = mrb_exc_new(mrb, E_NOMETHOD_ERROR, m, strlen(m));
+	  static const char m[] = "super called outside of method";
+	  exc = mrb_exc_new(mrb, E_NOMETHOD_ERROR, m, sizeof(m) - 1);
 	  mrb->exc = (struct RObject*)mrb_object(exc);
 	  goto L_RAISE;
 	}