stop using submodule

packages/udi/udi_common.h

@@ -0,0 +1,30 @@
+#ifndef FALSE
+#define FALSE 0
+#endif
+#ifndef TRUE
+#define TRUE !FALSE
+#endif
+
+/*
+ * hack to emulate flexible array member of C99
+ *
+ * Example
+ *
+ * struct header {
+ *    ...
+ *    int data[FLEXIBLE_SIZE];
+ * };
+ *
+ * ...
+ *
+ * size_t n = 123;
+ * struct header *my_header = malloc(SIZEOF_FLEXIBLE(struct header, data, n));
+ *
+ */
+#include <stddef.h>
+#define FLEXIBLE_SIZE 1
+#define SIZEOF_FLEXIBLE(type, member, length) \
+  ( offsetof(type, member) + (length) * sizeof ((type *)0)->member[0] )
+
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+#define MAX(a, b) ((a) > (b) ? (a) : (b))