[PATCH] test-select-stdin.c: avoid warn_unused_result warnings

[Jim Meyering]

Hi Bruno,

Is this ok with you?

With this, the other changes posted here today, as well as
one more in coreutils (to exempt 3 offenders I won't bother with),
gnulib-tests/ now compiles with -Werror.

>From 6ff0dbc6886418b68b6f19cfdaec34e751ae88ad Mon Sep 17 00:00:00 2001
From: Jim Meyering <address@hidden>
Date: Wed, 13 Oct 2010 11:22:35 +0200
Subject: [PATCH] test-select-stdin.c: avoid warn_unused_result warnings

* tests/test-select-stdin.c: Include "macros.h".
ASSERT that read and fflush succeed.
---
 ChangeLog                 |    6 ++++++
 tests/test-select-stdin.c |    7 +++++--
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index b53e443..054879a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2010-10-13  Jim Meyering  <address@hidden>

+       test-select-stdin.c: avoid warn_unused_result warnings
+       * tests/test-select-stdin.c: Include "macros.h".
+       ASSERT that read and fflush succeed.
+
+2010-10-13  Jim Meyering  <address@hidden>
+
        test-nl_langinfo: avoid "unsigned expression >= 0 is always true" 
warning
        * tests/test-nl_langinfo.c (main): Disable assertions that
        strlen (s) >= 0.  That is guaranteed always to be true.
diff --git a/tests/test-select-stdin.c b/tests/test-select-stdin.c
index e9cee96..c88698c 100644
--- a/tests/test-select-stdin.c
+++ b/tests/test-select-stdin.c
@@ -24,6 +24,8 @@
 #include <sys/time.h>
 #include <unistd.h>

+#include "macros.h"
+
 int
 main (void)
 {
@@ -67,14 +69,15 @@ main (void)
               exit (1);
             }
           /* Timeout */
-          printf ("."); fflush (stdout);
+          printf (".");
+          ASSERT (fflush (stdout) == 0);
         }
       else
         {
           char c;

           printf ("Input available! Trying to read 1 byte...\n");
-          read (0, &c, 1);
+          ASSERT (read (0, &c, 1) == 1);
         }
     }
 }
--
1.7.3.1.104.gc752e