cvg: Add VIDIOC_QUERYMENU perror hack

1 files changed, 11 insertions, 0 deletions

diff --git a/cvg.c b/cvg.c
index 1d43aba..c2d0cd7 100644
--- a/cvg.c
+++ b/cvg.c
@@ -3,6 +3,7 @@
 #include <glib.h>
 #include <cv.h>
 #include <highgui.h>
+#include <errno.h>
 
 struct cvg {
 	GtkWidget *drawing_area1;
@@ -419,3 +420,13 @@ main(int argc, char *argv[])
 
 	return 0;
 }
+
+/* FIXME: Need to overload perror so that invalid OpenCV messages are hidden. */
+void
+perror(const char *s)
+{
+	if (strcmp("VIDIOC_QUERYMENU", s) == 0)
+		return;
+
+	fprintf(stderr, "%s: %s\n", s, strerror(errno));
+}