Include stdint.h (where available) for uintptr_t.

[PuTTY.git] / windows / winstuff.h

diff --git a/windows/winstuff.h b/windows/winstuff.h
index 5147c08f37941717969934c99512f101e24ac361..4f2b4e887184b50dd766ca55178662c57a50aa51 100644 (file)
--- a/windows/winstuff.h
+++ b/windows/winstuff.h
@@ -11,6 +11,18 @@
 #include <windows.h>
 #include <stdio.h>                    /* for FILENAME_MAX */
 
+/* We use uintptr_t for Win32/Win64 portability, so we should in
+ * principle include stdint.h, which defines it according to the C
+ * standard. But older versions of Visual Studio - including the one
+ * used for official PuTTY builds as of 2015-09-28 - don't provide
+ * stdint.h at all, but do (non-standardly) define uintptr_t in
+ * stddef.h. So here we try to make sure _some_ standard header is
+ * included which defines uintptr_t. */
+#include <stddef.h>
+#if !defined _MSC_VER || _MSC_VER >= 1600
+#include <stdint.h>
+#endif
+
 #include "tree234.h"
 
 #include "winhelp.h"