From 74aa1a112e874b87e94b253fdd9a91b834cd44d1 Mon Sep 17 00:00:00 2001
From: DH <dh.rpcs3@gmail.com>
Date: Fri, 10 Nov 2023 21:30:43 +0300
Subject: [PATCH] [rpcsx-os] shm: escape subdirectories

---
 rpcsx-os/iodev/shm.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/rpcsx-os/iodev/shm.cpp b/rpcsx-os/iodev/shm.cpp
index e5578da7d..5cf905da2 100644
--- a/rpcsx-os/iodev/shm.cpp
+++ b/rpcsx-os/iodev/shm.cpp
@@ -19,12 +19,16 @@ orbis::ErrorCode ShmDevice::open(orbis::Ref<orbis::File> *file,
   ORBIS_LOG_WARNING("shm_open", path, flags, mode);
 
   std::string name = "/rpcsx-";
-  if (std::string_view{path}.starts_with("/")) {
+  if (path[0] == '/') {
     name += path + 1;
   } else {
     name += path;
   }
 
+  for (auto pos = name.find('/', 1); pos != std::string::npos; pos = name.find('/', pos + 1)) {
+    name[pos] = '$';
+  }
+
   auto realFlags = O_RDWR; // TODO
 
   std::size_t size = 0;