From 5a7ff4d20afb90b0f5c2a0daac5a4ab1ada25390 Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Wed, 2 Jul 2014 15:38:05 +1000
Subject: [PATCH] build: silence sign promotion warnings

---
 backtrace_execinfo.cpp | 12 +++++++-----
 hash/bsdsum.cpp        |  2 +-
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/backtrace_execinfo.cpp b/backtrace_execinfo.cpp
index 4a15340e..237f38f8 100644
--- a/backtrace_execinfo.cpp
+++ b/backtrace_execinfo.cpp
@@ -14,12 +14,14 @@ using namespace std;
 debug::backtrace::backtrace (void):
     m_frames (DEFAULT_DEPTH) {
 
-    int final;
-    while ((final = ::backtrace (&m_frames[0], m_frames.size ())) == sign_cast<ssize_t> (m_frames.size ()))
-        m_frames.resize (m_frames.size () * 2);
+    size_t last;
+    size_t size = m_frames.size ();
 
-    CHECK_HARD (final > 0);
-    m_frames.resize ((unsigned)final);
+    while ((last = ::backtrace (&m_frames[0], m_frames.size ())) == size)
+        m_frames.resize (size = m_frames.size () * 2);
+
+    CHECK_HARD (last > 0);
+    m_frames.resize (last);
 }
 
 
diff --git a/hash/bsdsum.cpp b/hash/bsdsum.cpp
index 1840f5d9..43b14093 100644
--- a/hash/bsdsum.cpp
+++ b/hash/bsdsum.cpp
@@ -26,7 +26,7 @@ bsdsum (const void *restrict _data, size_t size) {
     uint16_t accum = 0;
 
     for (size_t i = 0; i < size; ++i) {
-        accum  = (accum >> 1) | ((accum & 0x1) << 15);
+        accum  = (accum >> 1u) | ((accum & 0x01u) << 15u);
         accum += data[i];
     }