diff --git a/src/common/asprintf.h b/src/common/asprintf.h
new file mode 100644
--- /dev/null
+++ b/src/common/asprintf.h
@@ -0,0 +1,28 @@
+/*
+  Copyright 2009 Nathan Phillip Brink
+
+  This file is a part of DistRen.
+
+  DistRen is free software: you can redistribute it and/or modify
+  it under the terms of the GNU Affero General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  DistRen is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU Affero General Public License for more details.
+
+  You should have received a copy of the GNU Affero General Public License
+  along with DistRen.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _LIBDISTRENCOMMON_ASPRINTF_H
+#define _LIBDISTRENCOMMON_ASPRINTF_H
+
+/**
+   Conforming asprintf replacement.
+ */
+int _distren_asprintf(char **strp, const char *fmt, ...);
+
+#endif