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[coreutils] [PATCH] sort: avoid gcc warning: explicitly ignore strtold r


From: Jim Meyering
Subject: [coreutils] [PATCH] sort: avoid gcc warning: explicitly ignore strtold result
Date: Tue, 10 Aug 2010 17:26:24 +0200

I've just tried to build coreutils and got this:

  cc1: warnings being treated as errors
  sort.c: In function 'debug_key':
  sort.c:2207: error: ignoring return value of 'strtold', declared with 
attribute warn_unused_result

Here's the fix:

>From ec0d6ddb813e95a01421b45f1743713e88175448 Mon Sep 17 00:00:00 2001
From: Jim Meyering <address@hidden>
Date: Tue, 10 Aug 2010 08:11:15 -0700
Subject: [PATCH] sort: avoid gcc warning: explicitly ignore strtold result

* src/sort.c: Include "ignore-value.h".
(debug_key): Use ignore_value.
---
 src/sort.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/src/sort.c b/src/sort.c
index 148ed3e..084f4e3 100644
--- a/src/sort.c
+++ b/src/sort.c
@@ -35,6 +35,7 @@
 #include "hard-locale.h"
 #include "hash.h"
 #include "heap.h"
+#include "ignore-value.h"
 #include "md5.h"
 #include "mbswidth.h"
 #include "nproc.h"
@@ -2204,7 +2205,7 @@ debug_key (struct line const *line, struct keyfield const 
*key)
           if (key->month)
             getmonth (beg, &tighter_lim);
           else if (key->general_numeric)
-            strtold (beg, &tighter_lim);
+            ignore_value (strtold (beg, &tighter_lim));
           else if (key->numeric || key->human_numeric)
             {
               char *p = beg + (beg < lim && *beg == '-');
--
1.7.2



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