otherwise, use PROPAGATE_ALL_ONES. */
#define PROPAGATE_TOP_BIT(x) ((x) | ~ (EXTRACT_TOP_BIT (x) - 1))
-#ifdef STAT_READ_FILSYS
-# define UNUSED_PARAM /* empty */
-#else
-# define UNUSED_PARAM _UNUSED_PARAMETER_
-#endif
-
/* Fill in the fields of FSP with information about space usage for
the file system on which FILE resides.
DISK is the device on which FILE is mounted, for space-getting
ERRNO is either a system error value, or zero if DISK is NULL
on a system that requires a non-NULL value. */
int
-get_fs_usage (char const *file, char const *disk UNUSED_PARAM,
- struct fs_usage *fsp)
+get_fs_usage (char const *file, char const *disk, struct fs_usage *fsp)
{
+ (void) disk; /* avoid argument-unused warning */
#if defined STAT_STATVFS /* POSIX */
struct statvfs fsd;