From 4dda2b162fdab27197f371bb85842da581aee834 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@anytun.org>
Date: Tue, 25 Sep 2012 11:45:31 +0000
Subject: -Wall cleanup

---
 src/sysexec.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/sysexec.c')

diff --git a/src/sysexec.c b/src/sysexec.c
index 1d3df91..708d8d0 100644
--- a/src/sysexec.c
+++ b/src/sysexec.c
@@ -35,6 +35,7 @@
 
 #include "datatypes.h"
 
+#include <unistd.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
@@ -42,6 +43,7 @@
 #include <sys/wait.h>
 #include <sys/select.h>
 #include <stdlib.h>
+#include <stdio.h>
 #include <string.h>
 
 #include "sysexec.h"
@@ -83,7 +85,8 @@ int uanytun_exec(const char* script, char* const argv[], char* const evp[])
         // if execve returns, an error occurred, but logging doesn't work 
         // because we closed all file descriptors, so just write errno to
         // pipe and call exit
-    write(pipefd[1], (void*)(&errno), sizeof(errno));
+    int ret = write(pipefd[1], (void*)(&errno), sizeof(errno));
+    if(ret == -1) exit(-1);
     exit(-1);
   }
   close(pipefd[1]);
-- 
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