From e053e745fdc7545b5e024a002b97e9bac50145a5 Mon Sep 17 00:00:00 2001
From: minqiyang <minqiyang@baidu.com>
Date: Mon, 2 Jul 2018 20:49:55 +0800
Subject: [PATCH] Fix bug

---
 paddle/fluid/string/printf.h | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/paddle/fluid/string/printf.h b/paddle/fluid/string/printf.h
index 65dec970d..3b40c6029 100644
--- a/paddle/fluid/string/printf.h
+++ b/paddle/fluid/string/printf.h
@@ -85,11 +85,9 @@ void Fprintf(std::ostream& out, const char* fmt, const Args&... args) {
 
 template <typename... Args>
 std::string Sprintf(const Args&... args) {
-  if (0u == sizeof...(args)) {
-    Sprintf("", args);
-  }
-
-  return Sprintf(args, args);
+  std::ostringstream oss;
+  Fprintf(oss, "", args...);
+  return oss.str();
 }
 
 template <typename... Args>
-- 
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