From 5be91ad7b2876f17d700bddf388ed57f8536c2fd Mon Sep 17 00:00:00 2001
From: Joe Bryan <joemfb@gmail.com>
Date: Tue, 29 Sep 2020 12:24:00 -0700
Subject: [PATCH] u3: tweaks u3s_jam_fib() call sites, correcting byte-length
 calculation

---
 pkg/urbit/noun/jets.c       | 11 ++++-------
 pkg/urbit/tests/jam_tests.c |  2 +-
 2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/pkg/urbit/noun/jets.c b/pkg/urbit/noun/jets.c
index 68dd54e15..4085f06a3 100644
--- a/pkg/urbit/noun/jets.c
+++ b/pkg/urbit/noun/jets.c
@@ -122,15 +122,12 @@ _cj_bash(u3_noun bat)
     }
     else {
       u3i_slab sab_u;
-      c3_w     met_w;
-      c3_y*    fat_y;
-      c3_y     dig_y[32];
-
-      u3s_jam_fib(&sab_u, bat);
+      c3_w     bit_w = u3s_jam_fib(&sab_u, bat);
+      c3_w     met_w = (bit_w + 0x7) >> 3;
       //  XX assumes little-endian
       //
-      fat_y = sab_u.buf_y;
-      met_w = sab_u.byt_d;
+      c3_y*    fat_y = sab_u.buf_y;
+      c3_y     dig_y[32];
 
 #if defined(U3_OS_osx)
       CC_SHA256_CTX ctx_h;
diff --git a/pkg/urbit/tests/jam_tests.c b/pkg/urbit/tests/jam_tests.c
index 6d6d99cd0..3d9c367ea 100644
--- a/pkg/urbit/tests/jam_tests.c
+++ b/pkg/urbit/tests/jam_tests.c
@@ -341,7 +341,7 @@ _test_jam_spec(const c3_c* cap_c,
     u3i_slab sab_u;
     c3_w     bit_w = u3s_jam_fib(&sab_u, ref);
 
-    out_d = sab_u.byt_d;
+    out_d = ((c3_d)bit_w + 0x7) >> 3;
     //  XX assumes little-endian
     //
     out_y = sab_u.buf_y;