From c483a4f122ff2484606cbc3e78283c26c28d84c2 Mon Sep 17 00:00:00 2001
From: Adrien Guinet <aguinet@quarkslab.com>
Date: Tue, 13 Oct 2020 08:04:00 +0200
Subject: [PATCH] Fix ssize_t windows definition to be compatible with LLVM's

---
 include/dffi/compat.h | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/include/dffi/compat.h b/include/dffi/compat.h
index a07d5e21..66f155b1 100644
--- a/include/dffi/compat.h
+++ b/include/dffi/compat.h
@@ -40,8 +40,15 @@
 #endif
 
 #if defined(_MSC_VER)
-#include <BaseTsd.h>
-typedef SSIZE_T ssize_t;
+// LLVM's C API defines "by hand" ssize_t. We need to do the same otherwise we
+// got a conflicting type...
+// #include <BaseTsd.h>
+// typedef SSIZE_T ssize_t;
+#if defined(_WIN64)
+typedef signed __int64 ssize_t;
+#else
+typedef signed int ssize_t;
+#endif /* _WIN64 */
 #endif