From 768e5d52fb295b000940f6a806c3d4bfc3e4f54d Mon Sep 17 00:00:00 2001
From: Jeff Garzik <jgarzik@exmulti.com>
Date: Sat, 12 May 2012 01:24:27 -0400
Subject: Add new utility functions FileCommit(), RenameOver()

---
 src/util.cpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'src/util.cpp')

diff --git a/src/util.cpp b/src/util.cpp
index 823d00a4e..82c16feda 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -910,6 +910,27 @@ void CreatePidFile(const boost::filesystem::path &path, pid_t pid)
     }
 }
 
+bool RenameOver(boost::filesystem::path src, boost::filesystem::path dest)
+{
+#ifdef WIN32
+    return MoveFileEx(src.string().c_str(), dest.string().c_str(),
+                      MOVEFILE_REPLACE_EXISTING);
+#else
+    int rc = std::rename(src.string().c_str(), dest.string().c_str());
+    return (rc == 0);
+#endif /* WIN32 */
+}
+
+void FileCommit(FILE *fileout)
+{
+    fflush(fileout);                // harmless if redundantly called
+#ifdef WIN32
+    _commit(_fileno(fileout));
+#else
+    fsync(fileno(fileout));
+#endif
+}
+
 int GetFilesize(FILE* file)
 {
     int nSavePos = ftell(file);
-- 
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