X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb/blobdiff_plain/15dfa998435a40ff3a7b1de4ec85541e8bac08dc..379829cb2ac6ab1e6f23ee5b5bfa16c96f111c3a:/symm/sha256.c

diff --git a/symm/sha256.c b/symm/sha256.c
index 5de3966d..7f91ff74 100644
--- a/symm/sha256.c
+++ b/symm/sha256.c
@@ -212,7 +212,7 @@ void sha256_set(sha256_ctx *ctx, const void *buf, unsigned long count)
   ctx->h = LOAD32(p + 28);
   ctx->off = 0;
   ctx->nl = U32(count);
-  ctx->nh = U32(((count & ~MASK32) >> 16) >> 16);
+  ctx->nh = U32(((count & ~(unsigned long)MASK32) >> 16) >> 16);
 }
 
 /* --- @sha256_hash@, @sha224_hash@ --- *