From 89cd68d8aff07792b03a0affc19dbb01f036f554 Mon Sep 17 00:00:00 2001
From: Maxime Coste <mawww@kakoune.org>
Date: Tue, 12 Feb 2019 21:05:47 +1100
Subject: Check the return value of the rename call

---
 src/file.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/file.cc')

diff --git a/src/file.cc b/src/file.cc
index eb26ddc4..b8bf2de8 100644
--- a/src/file.cc
+++ b/src/file.cc
@@ -335,8 +335,8 @@ void write_buffer_to_file(Buffer& buffer, StringView filename,
             ::fsync(fd);
     }
 
-    if (replace)
-        rename(temp_filename, zfilename);
+    if (replace and rename(temp_filename, zfilename) != 0)
+        throw runtime_error("replacing file failed");
 
     if ((buffer.flags() & Buffer::Flags::File) and
         real_path(filename) == real_path(buffer.name()))
-- 
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