1 files changed, 61 insertions, 0 deletions
diff --git a/ext/zip/lib/zip_get_file_comment.c b/ext/zip/lib/zip_get_file_comment.c
new file mode 100644
index 0000000000..79a5c236bc
--- /dev/null
+++ b/ext/zip/lib/zip_get_file_comment.c
@@ -0,0 +1,61 @@
+/*
+  $NiH: zip_get_file_comment.c,v 1.2 2006/04/23 13:06:28 wiz Exp $
+
+  zip_get_file_comment.c -- get file comment
+  Copyright (C) 2006 Dieter Baron and Thomas Klausner
+
+  This file is part of libzip, a library to manipulate ZIP archives.
+  The authors can be contacted at <nih@giga.or.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 "zip.h"
+#include "zipint.h"
+
+
+
+const char *
+zip_get_file_comment(struct zip *za, int idx, int *lenp, int flags)
+{
+    if (idx < 0 || idx >= za->nentry) {
+	_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
+	return NULL;
+    }
+
+    if ((flags & ZIP_FL_UNCHANGED)
+	|| (za->entry[idx].ch_comment_len == -1)) {
+	if (lenp != NULL)
+	    *lenp = za->cdir->entry[idx].comment_len;
+	return za->cdir->entry[idx].comment;
+    }
+    
+    if (lenp != NULL)
+	*lenp = za->entry[idx].ch_comment_len;
+    return za->entry[idx].ch_comment;
+}