From: Jim Meyering <meyering@redhat.com>
Date: Sat, 21 Nov 2009 16:52:54 +0000 (+0100)
Subject: c-stack: avoid "ignoring return value of `write'" warning
X-Git-Tag: v0.1~5154
X-Git-Url: http://erislabs.org.uk/gitweb/?a=commitdiff_plain;h=df57f4270959d6679422896ca6f579d048777d81;p=gnulib.git

c-stack: avoid "ignoring return value of `write'" warning

* lib/c-stack.c: Include "ignore-value.h".
(die): Explicitly ignore each write return value.
* modules/c-stack (Depends-on): Add ignore-value.
---

diff --git a/ChangeLog b/ChangeLog
index d99d3875e..04b2a6b7f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2009-11-21  Jim Meyering  <meyering@redhat.com>
+
+	c-stack: avoid "ignoring return value of `write'" warning
+	* lib/c-stack.c: Include "ignore-value.h".
+	(die): Explicitly ignore each write return value.
+	* modules/c-stack (Depends-on): Add ignore-value.
+
 2009-11-21  Bruno Haible  <bruno@clisp.org>
 
 	diffseq: reduce scope of variable 'best'.
diff --git a/lib/c-stack.c b/lib/c-stack.c
index 1dddeefc4..044272cc3 100644
--- a/lib/c-stack.c
+++ b/lib/c-stack.c
@@ -72,6 +72,7 @@ typedef struct sigaltstack stack_t;
 
 #include "c-stack.h"
 #include "exitfail.h"
+#include "ignore-value.h"
 
 #if defined SA_ONSTACK && defined SA_SIGINFO
 # define SIGACTION_WORKS 1
@@ -105,10 +106,10 @@ die (int signo)
   char const *message;
   segv_action (signo);
   message = signo ? program_error_message : stack_overflow_message;
-  write (STDERR_FILENO, program_name, strlen (program_name));
-  write (STDERR_FILENO, ": ", 2);
-  write (STDERR_FILENO, message, strlen (message));
-  write (STDERR_FILENO, "\n", 1);
+  ignore_value (write (STDERR_FILENO, program_name, strlen (program_name)));
+  ignore_value (write (STDERR_FILENO, ": ", 2));
+  ignore_value (write (STDERR_FILENO, message, strlen (message)));
+  ignore_value (write (STDERR_FILENO, "\n", 1));
   if (! signo)
     _exit (exit_failure);
   raise (signo);
diff --git a/modules/c-stack b/modules/c-stack
index 22dd18c1a..83de3f8ba 100644
--- a/modules/c-stack
+++ b/modules/c-stack
@@ -10,6 +10,7 @@ Depends-on:
 gettext-h
 errno
 exitfail
+ignore-value
 unistd
 raise
 sigaction