From 70035fe02be8053d048ae51d79eada21d3cffdc6 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Sun, 27 Nov 2016 14:11:56 +0000
Subject:  Zero errno on EOF in allreadwrite()

---
 src/libstddjb/allreadwrite.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/libstddjb/allreadwrite.c b/src/libstddjb/allreadwrite.c
index c15f6de..a811f69 100644
--- a/src/libstddjb/allreadwrite.c
+++ b/src/libstddjb/allreadwrite.c
@@ -9,7 +9,11 @@ unsigned int allreadwrite (iofunc_t_ref op, int fd, register char *buf, register
   while (len)
   {
     register int w = (*op)(fd, buf, len) ;
-    if (w <= 0) break ;
+    if (w <= 0)
+    {
+      if (!w) errno = 0 ;
+      break ;
+    }
     written += w ;
     buf += w ;
     len -= w ;
-- 
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