fixed the warning message when enabling -Wall option

This patch fixed the below warning messages.
- warning: comparison between signed and unsigned integer expressions
- warning: no return statement in function returning non-void
- warning: statement has no effect
- warning: unused variable
- warning: when initialized here [-Wreorder]
- warning: control reaches end of non-void function [-Wreturn-type]
- warning: ‘VehicleProperty::ButtonEvent’ is deprecated: Deprecated in
           0.14.  Use ButtonEventW3C [-Wdeprecated-declarations]
- warning: ignoring return value of 'int dup(int)', declared with
           attribute warn_unused_result [-Wunused-result]
- warning: suggest parentheses around '&&' within '||' [-Wparentheses]
- warning: 'connection' may be used uninitialized in this function
           [-Wmaybe-uninitialized]
- warning: suggest parentheses around assignment used as truth value
- warning: dereferencing type-punned pointer will break strict-aliasing rules

Signed-off-by: Sangjung Woo <sangjung.woo@samsung.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/ambd/main.cpp b/ambd/main.cpp
index d39c2d68..ff5eb9cf 100644
--- a/ambd/main.cpp
+++ b/ambd/main.cpp
@@ -201,6 +201,13 @@ void daemonize()
 	{
 		close(i);	// close all descriptors
 	}
+
+
+	// handle standard I/O
+	i = open("/dev/null", O_RDWR);
+	dup2(i, STDIN_FILENO);
+	dup2(i, STDOUT_FILENO);
+	dup2(i, STDERR_FILENO);
 	{	// handle standard I/O
 		i = open("/dev/null", O_RDWR);
 		dup(i);