--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modules/zip/libzip/lib/zip_file_get_comment.c	Wed Jun 01 17:36:52 2016 +0200
@@ -0,0 +1,56 @@
+/*
+  zip_file_get_comment.c -- get file comment
+  Copyright (C) 2006-2014 Dieter Baron and Thomas Klausner
+
+  This file is part of libzip, a library to manipulate ZIP archives.
+  The authors can be contacted at <libzip@nih.at>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in
+     the documentation and/or other materials provided with the
+     distribution.
+  3. The names of the authors may not be used to endorse or promote
+     products derived from this software without specific prior
+     written permission.
+ 
+  THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
+  OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+  IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+  IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#include "zipint.h"
+
+/* lenp is 32 bit because converted comment can be longer than ZIP_UINT16_MAX */
+
+ZIP_EXTERN const char *
+zip_file_get_comment(zip_t *za, zip_uint64_t idx, zip_uint32_t *lenp, zip_flags_t flags)
+{
+    zip_dirent_t *de;
+    zip_uint32_t len;
+    const zip_uint8_t *str;
+
+    if ((de=_zip_get_dirent(za, idx, flags, NULL)) == NULL)
+	return NULL;
+
+    if ((str=_zip_string_get(de->comment, &len, flags, &za->error)) == NULL)
+	return NULL;
+
+    if (lenp)
+	*lenp = len;
+
+    return (const char *)str;
+}