1 files changed, 51 insertions, 0 deletions
diff --git a/g13/utils.c b/g13/utils.c
new file mode 100644
index 000000000..15b4426ef
--- /dev/null
+++ b/g13/utils.c
@@ -0,0 +1,51 @@
+/* utils.c - Utility functions
+ * Copyright (C) 2009 Free Software Foundation, Inc.
+ *
+ * This file is part of GnuPG.
+ *
+ * GnuPG 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.
+ *
+ * GnuPG 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 <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <assert.h>
+
+#include "g13.h"
+#include "utils.h"
+
+
+/* Append the TAG and the VALUE to the MEMBUF.  There is no error
+   checking here; this is instead done while getting the value back
+   from the membuf. */
+void
+append_tuple (membuf_t *membuf, int tag, const void *value, size_t length)
+{
+  unsigned char buf[2];
+
+  assert (tag >= 0 && tag <= 0xffff);
+  assert (length <= 0xffff);
+
+  buf[0] = tag >> 8;
+  buf[1] = tag;
+  put_membuf (membuf, buf, 2);
+  buf[0] = length >> 8;
+  buf[1] = length;
+  put_membuf (membuf, buf, 2);
+  if (length)
+    put_membuf (membuf, value, length);
+}
+