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-rw-r--r--textscreen/examples/calculator.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/textscreen/examples/calculator.c b/textscreen/examples/calculator.c
index 968d3ef4..b8fefaa3 100644
--- a/textscreen/examples/calculator.c
+++ b/textscreen/examples/calculator.c
@@ -144,7 +144,12 @@ void BuildGUI()
int main(int argc, char *argv[])
{
- TXT_Init();
+ if (!TXT_Init())
+ {
+ fprintf(stderr, "Failed to initialise GUI\n");
+ exit(-1);
+ }
+
TXT_SetDesktopTitle("Calculator demo");
BuildGUI();