1 files changed, 51 insertions, 0 deletions
diff --git a/support/regression/tests/driverstruct.c b/support/regression/tests/driverstruct.c
new file mode 100644
index 0000000..8ed8fc8
--- /dev/null
+++ b/support/regression/tests/driverstruct.c
@@ -0,0 +1,51 @@
+/** Tests a few features of a driver struct - a struct with
+    many function pointers.
+*/
+#include <testfwk.h>
+#include <stddef.h>
+
+/* Set to one to show the bug */
+#if 1
+#define NAME(_a)	_a
+#else
+#define NAME(_a)
+#endif
+
+typedef unsigned char uchar;
+
+/* Originally from UZIX - http://uzix.sourceforge.net/
+ */
+
+typedef struct s_devsw {
+  uchar minors; 	/* # of minor device numbers */
+  int   (*dev_init)(uchar NAME(minor)) __reentrant;
+  int   (*dev_open)(uchar NAME(minor)) __reentrant;
+  int   (*dev_close)(uchar NAME(minor)) __reentrant;
+  int	(*dev_read)(uchar NAME(minor), uchar NAME(w)) __reentrant;
+  int   (*dev_write)(uchar NAME(minor), uchar NAME(w)) __reentrant;
+  int   (*dev_ioctl)(uchar NAME(minor), int cmd, void *__data) __reentrant;
+} devsw_t;
+
+static int
+_init (uchar minor) __reentrant
+{
+  return minor;
+}
+
+static devsw_t _sillyDriver = {
+  1,
+  _init,
+  NULL, NULL, NULL, NULL, NULL
+};
+
+int
+initProxy (devsw_t *pdrv)
+{
+  return (*pdrv->dev_init)(5);
+}
+
+void
+testDriverStruct (void)
+{
+  ASSERT (initProxy(&_sillyDriver) == 5);
+}