From 1fe9c544ff9aa243d322328cc0a22cc1af39f7c6 Mon Sep 17 00:00:00 2001
From: Colin Patrick McCabe <cmccabe@alumni.cmu.edu>
Date: Mon, 14 Mar 2011 07:45:36 -0700
Subject: [PATCH] cpp_strerror: handle negative error code

Signed-off-by: Colin McCabe <colin.mccabe@dreamhost.com>
---
 src/common/errno.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/common/errno.cc b/src/common/errno.cc
index 44cb749c27665..8a2762d67d623 100644
--- a/src/common/errno.cc
+++ b/src/common/errno.cc
@@ -8,6 +8,8 @@ std::string cpp_strerror(int err)
 {
   char buf[128];
 
+  if (err < 0)
+    err = -err;
   std::ostringstream oss;
   oss << "error " << err << ": " << strerror_r(err, buf, sizeof(buf));
 
-- 
2.39.5