Change Sprintf back

velconia · velconia · commit 6335889e97b9 · 2018-07-02T21:20:27.000+08:00
diff --git a/paddle/fluid/string/printf.h b/paddle/fluid/string/printf.h
@@ -84,7 +84,7 @@ void Fprintf(std::ostream& out, const char* fmt, const Args&... args) {
 }
 
 template <typename... Args>
-std::string Sprintf(const char* fmt = "", const Args&... args) {
+std::string Sprintf(const char* fmt, const Args&... args) {
   std::ostringstream oss;
   Fprintf(oss, fmt, args...);
   return oss.str();

Original file line number	Diff line number	Diff line change
`@@ -84,7 +84,7 @@ void Fprintf(std::ostream& out, const char* fmt, const Args&... args) {`
`84`	`84`	`}`
`85`	`85`
`86`	`86`	`template <typename... Args>`
`87`		`-std::string Sprintf(const char* fmt = "", const Args&... args) {`
	`87`	`+std::string Sprintf(const char* fmt, const Args&... args) {`
`88`	`88`	`std::ostringstream oss;`
`89`	`89`	`Fprintf(oss, fmt, args...);`
`90`	`90`	`return oss.str();`