X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb/blobdiff_plain/f54be224946b5dede1c5279d47b9d4cb0766a9f9..925ff94a516478164fdd01d53332637455e0074d:/symm/blkc.h

diff --git a/symm/blkc.h b/symm/blkc.h
index e94e932b..e0837521 100644
--- a/symm/blkc.h
+++ b/symm/blkc.h
@@ -174,7 +174,7 @@
   unsigned _i; BLKC_W(w); unsigned long _x = x;				\
   for (_i = 0; _i < PRE##_BLKSZ / 4; _i++) {				\
     *_w++ = U32(_x);							\
-    _x = ((_x & ~MASK32) >> 16) >> 16;					\
+    _x = ((_x & ~(unsigned long)MASK32) >> 16) >> 16;			\
   }									\
 } while (0)
 
@@ -182,7 +182,7 @@
   unsigned _i; BLKC_W(w); unsigned long _x = x;	_w += PRE##_BLKSZ / 4;	\
   for (_i = 0; _i < PRE##_BLKSZ / 4; _i++) {				\
     *--_w = U32(_x);							\
-    _x = ((_x & ~MASK32) >> 16) >> 16;					\
+    _x = ((_x & ~(unsigned long)MASK32) >> 16) >> 16;			\
   }									\
 } while (0)