X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=support%2Fregression%2Ftests%2Fdriverstruct.c;fp=support%2Fregression%2Ftests%2Fdriverstruct.c;h=f6219e6149236e478574ee2903a63a37ebc595a2;hb=c2029a0ae596f1a45bf8f0db2c4dd6d2a43f8f47;hp=0000000000000000000000000000000000000000;hpb=b15590945ccfa79c40d0f0a13a5a254169cdc73d;p=fw%2Fsdcc

diff --git a/support/regression/tests/driverstruct.c b/support/regression/tests/driverstruct.c
new file mode 100644
index 00000000..f6219e61
--- /dev/null
+++ b/support/regression/tests/driverstruct.c
@@ -0,0 +1,45 @@
+/** Tests a few features of a driver struct - a struct with
+    many function pointers.
+*/
+#include <testfwk.h>
+
+/* Set to one to show the bug */
+#if 0
+#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));
+	int	(*dev_open)(uchar NAME(minor));
+	int	(*dev_close)(uchar NAME(minor));
+	int	(*dev_read)(uchar NAME(minor), uchar NAME(w));
+	int	(*dev_write)(uchar NAME(minor), uchar NAME(w));
+	int	(*dev_ioctl)(uchar NAME(minor), int cmd, void *data);
+} devsw_t;
+
+static int
+_init(uchar minor)
+{
+  return minor;
+}
+
+static devsw_t _sillyDriver = {
+  1,
+  _init,
+  NULL, NULL, NULL, NULL, NULL
+};
+
+int
+initProxy(void)
+{
+  return (*_sillyDriver.dev_init)(5);
+}
+