Merge branch '024_msvc_squashed'

Conflicts:
	src/or/or.h
	 srcwin32/orconfig.h

1 files changed, 11 insertions, 1 deletions

diff --git a/src/common/compat.h b/src/common/compat.h
index 5fbfd59cd1..25293a4ed6 100644
--- a/src/common/compat.h
+++ b/src/common/compat.h
@@ -60,7 +60,6 @@
 #include <io.h>
 #include <math.h>
 #include <projects.h>
-#define snprintf _snprintf
 /* this is not exported as W .... */
 #define SHGetPathFromIDListW SHGetPathFromIDList
 /* wcecompat has vasprintf */
@@ -133,6 +132,17 @@ extern INLINE double U64_TO_DBL(uint64_t x) {
 #define DBL_TO_U64(x) ((uint64_t) (x))
 #endif
 
+#if defined(_MSC_VER)
+/* XXXX024 we should instead have a more general check for "Is enum signed?"*/
+#define ENUM_BF(t) unsigned
+#else
+/** Wrapper for having a bitfield of an enumerated type. Where possible, we
+ * just use the enumerated type (so the compiler can help us and notice
+ * problems), but if enumerated types are unsigned, we must use unsigned,
+ * so that the loss of precision doesn't make large values negative. */
+#define ENUM_BF(t) t
+#endif
+
 /* GCC has several useful attributes. */
 #if defined(__GNUC__) && __GNUC__ >= 3
 #define ATTR_NORETURN __attribute__((noreturn))