From a9e75eca00f7efe361545c6e77ecb65244230dc3 Mon Sep 17 00:00:00 2001
From: Adam Joseph <adam@westernsemico.com>
Date: Tue, 19 Jul 2022 03:49:33 -0700
Subject: error.hh: add additional constructor with explicit errno argument

---
 src/libutil/error.hh | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/libutil/error.hh b/src/libutil/error.hh
index a53e9802e..3d1479c54 100644
--- a/src/libutil/error.hh
+++ b/src/libutil/error.hh
@@ -204,13 +204,19 @@ public:
     int errNo;
 
     template<typename... Args>
-    SysError(const Args & ... args)
+    SysError(int errNo_, const Args & ... args)
         : Error("")
     {
-        errNo = errno;
+        errNo = errNo_;
         auto hf = hintfmt(args...);
         err.msg = hintfmt("%1%: %2%", normaltxt(hf.str()), strerror(errNo));
     }
+
+    template<typename... Args>
+    SysError(const Args & ... args)
+        : SysError(errno, args ...)
+    {
+    }
 };
 
 }
-- 
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