From b7788610da63bb27e053fbf628f31f35f84d47a5 Mon Sep 17 00:00:00 2001
From: Jonas 'Sortie' Termansen <sortie@maxsi.org>
Date: Sun, 27 May 2012 14:28:59 +0200
Subject: [PATCH] Added error detection to echo(1).

---
 utils/echo.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/utils/echo.cpp b/utils/echo.cpp
index 5165a56f..11dd93f5 100644
--- a/utils/echo.cpp
+++ b/utils/echo.cpp
@@ -21,7 +21,9 @@
 *******************************************************************************/
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
+#include <errno.h>
 
 int main(int argc, char* argv[])
 {
@@ -36,7 +38,13 @@ int main(int argc, char* argv[])
 	const char* prefix = "";
 	for ( int i = startfrom; i < argc; i++ )
 	{
+		errno = 0;
 		printf("%s%s", prefix, argv[i]);
+		if ( errno != 0 )
+		{
+			perror("<stdout>");
+			exit(1);
+		}
 		prefix = " ";
 	}