1 files changed, 34 insertions, 0 deletions
diff --git a/js/public/Printf.h b/js/public/Printf.h
new file mode 100644
index 0000000000..aca542d796
--- /dev/null
+++ b/js/public/Printf.h
@@ -0,0 +1,34 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef js_Printf_h
+#define js_Printf_h
+
+#include "mozilla/Printf.h"
+
+#include <stdarg.h>
+
+#include "jstypes.h"
+#include "js/Utility.h"
+
+/* Wrappers for mozilla::Smprintf and friends that are used throughout
+   JS.  */
+
+extern JS_PUBLIC_API JS::UniqueChars JS_smprintf(const char* fmt, ...)
+    MOZ_FORMAT_PRINTF(1, 2);
+
+extern JS_PUBLIC_API JS::UniqueChars JS_sprintf_append(JS::UniqueChars&& last,
+                                                       const char* fmt, ...)
+    MOZ_FORMAT_PRINTF(2, 3);
+
+extern JS_PUBLIC_API JS::UniqueChars JS_vsmprintf(const char* fmt, va_list ap)
+    MOZ_FORMAT_PRINTF(1, 0);
+extern JS_PUBLIC_API JS::UniqueChars JS_vsprintf_append(JS::UniqueChars&& last,
+                                                        const char* fmt,
+                                                        va_list ap)
+    MOZ_FORMAT_PRINTF(2, 0);
+
+#endif /* js_Printf_h */