1 files changed, 47 insertions, 0 deletions
diff --git a/gdb/gdb_obstack.c b/gdb/gdb_obstack.c
new file mode 100644
index 00000000000..df34968f3fc
--- /dev/null
+++ b/gdb/gdb_obstack.c
@@ -0,0 +1,47 @@
+/* Obstack wrapper for GDB.
+
+   Copyright (C) 2013 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include "defs.h"
+#include "gdb_obstack.h"
+
+/* Concatenate NULL terminated variable argument list of `const char *'
+   strings; return the new string.  Space is found in the OBSTACKP.
+   Argument list must be terminated by a sentinel expression `(char *)
+   NULL'.  */
+
+char *
+obconcat (struct obstack *obstackp, ...)
+{
+  va_list ap;
+
+  va_start (ap, obstackp);
+  for (;;)
+    {
+      const char *s = va_arg (ap, const char *);
+
+      if (s == NULL)
+	break;
+
+      obstack_grow_str (obstackp, s);
+    }
+  va_end (ap);
+  obstack_1grow (obstackp, 0);
+
+  return obstack_finish (obstackp);
+}