1 files changed, 35 insertions, 0 deletions
diff --git a/Source/WTF/wtf/PrintStream.cpp b/Source/WTF/wtf/PrintStream.cpp
index bb7d39db9..97faf3031 100644
--- a/Source/WTF/wtf/PrintStream.cpp
+++ b/Source/WTF/wtf/PrintStream.cpp
@@ -28,6 +28,7 @@
 
 #include <stdio.h>
 #include <wtf/text/CString.h>
+#include <wtf/text/UniquedStringImpl.h>
 #include <wtf/text/WTFString.h>
 
 namespace WTF {
@@ -43,15 +44,49 @@ void PrintStream::printf(const char* format, ...)
     va_end(argList);
 }
 
+void PrintStream::printfVariableFormat(const char* format, ...)
+{
+#if COMPILER(CLANG)
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wformat-nonliteral"
+#elif COMPILER(GCC)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wsuggest-attribute=format"
+#endif
+    va_list argList;
+    va_start(argList, format);
+    vprintf(format, argList);
+    va_end(argList);
+#if COMPILER(CLANG)
+#pragma clang diagnostic pop
+#elif COMPILER(GCC)
+#pragma GCC diagnostic pop
+#endif
+}
+
 void PrintStream::flush()
 {
 }
 
+PrintStream& PrintStream::begin()
+{
+    return *this;
+}
+
+void PrintStream::end()
+{
+}
+
 void printInternal(PrintStream& out, const char* string)
 {
     out.printf("%s", string);
 }
 
+void printInternal(PrintStream& out, const StringView& string)
+{
+    out.print(string.utf8());
+}
+
 void printInternal(PrintStream& out, const CString& string)
 {
     out.print(string.data());