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/** 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);
}
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