From daa04db864882c1b0a479a4b292134ad3286b965 Mon Sep 17 00:00:00 2001
From: Gurucharan Shetty <gshetty@nicira.com>
Date: Mon, 10 Mar 2014 08:37:21 -0700
Subject: [PATCH] ovsdb-server: Truncate file for Windows.

There is no ftruncate() in visual studio. There is a _chsize_s()
which has a similar functionality.

Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
---
 include/windows/windefs.h |  1 +
 lib/util.c                | 12 ++++++++++++
 lib/util.h                |  1 +
 3 files changed, 14 insertions(+)

diff --git a/include/windows/windefs.h b/include/windows/windefs.h
index dcfa20bf0..6d36adc0c 100644
--- a/include/windows/windefs.h
+++ b/include/windows/windefs.h
@@ -22,6 +22,7 @@
 #include <WS2tcpip.h>
 #include <windows.h>
 #include <BaseTsd.h>
+#include <io.h>
 
 #define inline __inline
 #define __func__ __FUNCTION__
diff --git a/lib/util.c b/lib/util.c
index 68a1ce6ea..6353e9c9e 100644
--- a/lib/util.c
+++ b/lib/util.c
@@ -1688,4 +1688,16 @@ ovs_lasterror_to_string(void)
 {
     return ovs_format_message(GetLastError());
 }
+
+int
+ftruncate(int fd, off_t length)
+{
+    int error;
+
+    error = _chsize_s(fd, length);
+    if (error) {
+        return -1;
+    }
+    return 0;
+}
 #endif
diff --git a/lib/util.h b/lib/util.h
index 9afe10e61..53039da41 100644
--- a/lib/util.h
+++ b/lib/util.h
@@ -493,6 +493,7 @@ uint64_t bitwise_get(const void *src, unsigned int src_len,
 
 char *ovs_format_message(int error);
 char *ovs_lasterror_to_string(void);
+int ftruncate(int fd, off_t length);
 #endif
 
 #ifdef  __cplusplus
-- 
2.43.0