From e3c99ae355408933b03357220f3db09423bd40dd Mon Sep 17 00:00:00 2001
From: Jakub Hrozek <jhrozek@redhat.com>
Date: Mon, 2 Apr 2012 17:22:16 -0400
Subject: sss_atomic_io: Do not fail reads with EPIPE if there is not enough
 data to read

Also adds a unit test for sss_atomic_io()
---
 src/util/util.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/util')

diff --git a/src/util/util.c b/src/util/util.c
index 8e20ab71..3a6c5d27 100644
--- a/src/util/util.c
+++ b/src/util/util.c
@@ -639,7 +639,8 @@ ssize_t sss_atomic_io(int fd, void *buf, size_t n, bool do_read)
             }
             return -1;
         case 0:
-            errno = EPIPE;
+            /* read returns 0 on end-of-file */
+            errno = do_read ? 0 : EPIPE;
             return pos;
         default:
             pos += (size_t) res;
-- 
cgit