From 24ef33768c00f14bc0d8dd08bf3b63517002740e Mon Sep 17 00:00:00 2001
From: WHR <whr@rivoreo.one>
Date: Tue, 2 Dec 2025 10:32:50 +0800
Subject: [PATCH] simplewallet: report file writing failure for
 export_transfers command

---
 src/simplewallet/simplewallet.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/simplewallet/simplewallet.cpp b/src/simplewallet/simplewallet.cpp
index 6324e3cbe..8954aa331 100644
--- a/src/simplewallet/simplewallet.cpp
+++ b/src/simplewallet/simplewallet.cpp
@@ -8768,6 +8768,10 @@ bool simple_wallet::export_transfers(const std::vector<std::string>& args_)
   }
 
   std::ofstream file(filename);
+  if(file.fail()) {
+    fail_msg_writer() << boost::format(tr("Failed to open %s for writing")) % filename;
+    return true;
+  }
 
   // header
   file <<
@@ -8837,7 +8841,11 @@ bool simple_wallet::export_transfers(const std::vector<std::string>& args_)
   }
   file.close();
 
-  success_msg_writer() << tr("CSV exported to ") << filename;
+  if(file.fail()) {
+    fail_msg_writer() << tr("Failed to export CSV to ") << filename;
+  } else {
+    success_msg_writer() << tr("CSV exported to ") << filename;
+  }
 
   return true;
 }