From 57085513d0512aa8b4cc6b636cefcfa422003418 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Wed, 7 Feb 2018 10:05:15 +0000
Subject:  Enforce nonzero return code even if errno is 0

---
 src/pamela/pamelad.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/pamela/pamelad.c b/src/pamela/pamelad.c
index 0a55f66..f515841 100644
--- a/src/pamela/pamelad.c
+++ b/src/pamela/pamelad.c
@@ -140,6 +140,7 @@ static void do_strerror (int num)
   if (!x)
   {
     char c = errno ;
+    if (!c) c = EIO ;
     put(&c, 1) ;
   }
   else
@@ -159,6 +160,7 @@ static void do_getenvlist (void)
   if (!envp)
   {
     char c = errno ;
+    if (!c) c = EIO ;
     put(&c, 1) ;
   }
   else
-- 
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