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-rw-r--r--tests/libdimension/display-stubs.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/tests/libdimension/display-stubs.c b/tests/libdimension/display-stubs.c
index 03cc19d..101289d 100644
--- a/tests/libdimension/display-stubs.c
+++ b/tests/libdimension/display-stubs.c
@@ -18,10 +18,12 @@
*************************************************************************/
#include "tests.h"
+#include <errno.h>
dmnsn_display *
dmnsn_new_display(const dmnsn_canvas *canvas)
{
+ errno = ENOSYS;
return NULL;
}