From 6f210daf9371df92b99d12fbeb166c0f92f22da9 Mon Sep 17 00:00:00 2001
From: Marcus Holland-Moritz <github@mhxnet.de>
Date: Fri, 30 Jun 2023 22:49:45 +0200
Subject: [PATCH] Implement rename operation for WinFsp to work around crash

---
 src/dwarfs_main.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/dwarfs_main.cpp b/src/dwarfs_main.cpp
index ab596cf7..0a7f904f 100644
--- a/src/dwarfs_main.cpp
+++ b/src/dwarfs_main.cpp
@@ -899,6 +899,17 @@ int op_listxattr(char const* path, char* list, size_t size) {
 
   return all_xattr.size();
 }
+
+// XXX: Not implementing this currently crashes WinFsp when a file is renamed
+template <typename LoggerPolicy>
+int op_rename(char const* from, char const* to, unsigned int flags) {
+  dUSERDATA;
+  LOG_PROXY(LoggerPolicy, userdata->lgr);
+
+  LOG_DEBUG << __func__ << "(" << from << ", " << to << ", " << flags << ")";
+
+  return -ENOSYS;
+}
 #endif
 
 void usage(char const* progname) {
@@ -1003,6 +1014,7 @@ void init_fuse_ops(struct fuse_operations& ops) {
   ops.statfs = &op_statfs<LoggerPolicy>;
   ops.getxattr = &op_getxattr<LoggerPolicy>;
   ops.listxattr = &op_listxattr<LoggerPolicy>;
+  ops.rename = &op_rename<LoggerPolicy>;
 }
 #endif