1 files changed, 70 insertions, 0 deletions
diff --git a/src/Common/libzip/zip_delete.c b/src/Common/libzip/zip_delete.c
new file mode 100644
index 00000000..34520b03
--- /dev/null
+++ b/src/Common/libzip/zip_delete.c
@@ -0,0 +1,70 @@
+/*
+  zip_delete.c -- delete file from zip archive
+  Copyright (C) 1999-2015 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"
+
+
+ZIP_EXTERN int
+zip_delete(zip_t *za, zip_uint64_t idx)
+{
+    const char *name;
+
+    if (idx >= za->nentry) {
+	zip_error_set(&za->error, ZIP_ER_INVAL, 0);
+	return -1;
+    }
+
+    if (ZIP_IS_RDONLY(za)) {
+	zip_error_set(&za->error, ZIP_ER_RDONLY, 0);
+	return -1;
+    }
+
+    if ((name=_zip_get_name(za, idx, 0, &za->error)) == NULL) {
+	return -1;
+    }
+
+    if (!_zip_hash_delete(za->names, (const zip_uint8_t *)name, &za->error)) {
+	return -1;
+    }
+
+    /* allow duplicate file names, because the file will
+     * be removed directly afterwards */
+    if (_zip_unchange(za, idx, 1) != 0)
+	return -1;
+
+    za->entry[idx].deleted = 1;
+
+    return 0;
+}
+