progs/..., symm/...: Fix 32-bit right-shift idiom.

[catacomb] / symm / sha512.c

diff --git a/symm/sha512.c b/symm/sha512.c
index a9a5180c63bea8a39e855b6f873fb1c00cdf9612..5c75eb8ee8268c93db4d9bd50e95c08f6421eb8d 100644 (file)
--- a/symm/sha512.c
+++ b/symm/sha512.c
@@ -275,7 +275,7 @@ void sha512_set(sha512_ctx *ctx, const void *buf, unsigned long count)
   LOAD64_(ctx->h, p + 56);
   ctx->off = 0;
   ctx->nl = U32(count);
-  ctx->nh = U32(((count & ~MASK32) >> 16) >> 16);
+  ctx->nh = U32(((count & ~(unsigned long)MASK32) >> 16) >> 16);
 }
 
 /* --- @sha512_hash@, @sha384_hash@ --- *