From b819914263bdbd216189aac698016b6373984735 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Tue, 6 May 1997 15:23:24 +0000
Subject: Fix by Mark Hammond to enable truncate() on Windows.

---
 Objects/fileobject.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Objects/fileobject.c b/Objects/fileobject.c
index a4b1d4b..1b32061 100644
--- a/Objects/fileobject.c
+++ b/Objects/fileobject.c
@@ -38,6 +38,12 @@ PERFORMANCE OF THIS SOFTWARE.
 #include <unistd.h>
 #endif
 
+#ifdef MS_WIN32
+#define ftruncate _chsize
+#define fileno _fileno
+#define HAVE_FTRUNCATE
+#endif
+
 #ifdef THINK_C
 #define HAVE_FOPENRF
 #endif
-- 
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