Try to warn if we're running the 32-bit version on 64-bit windows (WoW64) (#1569).

1 files changed, 13 insertions, 0 deletions

diff --git a/src/lib/cross.cc b/src/lib/cross.cc
index 171bf2c81..a7fb298cb 100644
--- a/src/lib/cross.cc
+++ b/src/lib/cross.cc
@@ -501,3 +501,16 @@ command_and_read (string cmd)
 
 	return "";
 }
+
+/** @return true if this process is a 32-bit one running on a 64-bit-capable OS */
+bool
+running_32_on_64 ()
+{
+#ifdef DCPOMATIC_WINDOWS
+	BOOL p;
+	IsWow64Process (GetCurrentProcess(), &p);
+	return p;
+#endif
+	/* XXX: assuming nobody does this on Linux / OS X */
+	return false;
+}