First Commit

3rdparty/libzip/lib/zip_file_rename.c

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+/*
+  zip_file_rename.c -- rename file in zip archive
+  Copyright (C) 1999-2022 Dieter Baron and Thomas Klausner
+
+  This file is part of libzip, a library to manipulate ZIP archives.
+  The authors can be contacted at <info@libzip.org>
+
+  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 <string.h>
+
+#include "zipint.h"
+
+
+ZIP_EXTERN int
+zip_file_rename(zip_t *za, zip_uint64_t idx, const char *name, zip_flags_t flags) {
+    const char *old_name;
+    int old_is_dir, new_is_dir;
+
+    if (idx >= za->nentry || (name != NULL && strlen(name) > ZIP_UINT16_MAX)) {
+        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 ((old_name = zip_get_name(za, idx, 0)) == NULL)
+        return -1;
+
+    new_is_dir = (name != NULL && name[strlen(name) - 1] == '/');
+    old_is_dir = (old_name[strlen(old_name) - 1] == '/');
+
+    if (new_is_dir != old_is_dir) {
+        zip_error_set(&za->error, ZIP_ER_INVAL, 0);
+        return -1;
+    }
+
+    return _zip_set_name(za, idx, name, flags);
+}