X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fstructeq%2Ftest%2Fcompile_fail-unexpected-negative-padding.c;fp=ccan%2Fstructeq%2Ftest%2Fcompile_fail-unexpected-negative-padding.c;h=2c63b23d97fc4d21e0dde394d6b4cc53dcfea5c5;hb=8e6c2fecfd633171250b7f09ef4aa0328bd5b698;hp=0000000000000000000000000000000000000000;hpb=d98e77e56cc401eeb75744d6fa40a92a1e6e1f94;p=ccan

diff --git a/ccan/structeq/test/compile_fail-unexpected-negative-padding.c b/ccan/structeq/test/compile_fail-unexpected-negative-padding.c
new file mode 100644
index 00000000..2c63b23d
--- /dev/null
+++ b/ccan/structeq/test/compile_fail-unexpected-negative-padding.c
@@ -0,0 +1,20 @@
+#include <ccan/structeq/structeq.h>
+
+struct mydata {
+	int start, end;
+	int pad;
+};
+#ifdef FAIL
+#define PADDING -1
+#else
+#define PADDING -(int)sizeof(int)
+#endif
+
+STRUCTEQ_DEF(mydata, PADDING, start, end);
+
+int main(void)
+{
+	struct mydata a = { 0, 100 };
+
+	return mydata_eq(&a, &a);
+}