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Print an error message when not able to open X display.
author
José Fonseca
<jose.r.fonseca@gmail.com>
Wed, 20 Apr 2011 20:05:16 +0000
(21:05 +0100)
committer
José Fonseca
<jose.r.fonseca@gmail.com>
Wed, 20 Apr 2011 20:05:16 +0000
(21:05 +0100)
glws_glx.cpp
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diff --git
a/glws_glx.cpp
b/glws_glx.cpp
index
661e77d
..
64f8ce1
100644
(file)
--- a/
glws_glx.cpp
+++ b/
glws_glx.cpp
@@
-23,6
+23,9
@@
*
**************************************************************************/
+#include <stdlib.h>
+#include <iostream>
+
#include "glimports.hpp"
#include "glws.hpp"
@@
-102,6
+105,10
@@
private:
public:
GlxWindowSystem() {
display = XOpenDisplay(NULL);
+ if (!display) {
+ std::cerr << "error: unable to open display " << XDisplayName(NULL) << "\n";
+ exit(1);
+ }
screen = DefaultScreen(display);
}