GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <sys/types.h>
+#include <sys/stat.h>
#include "fsusage.h"
-#include "safe-stat.h"
int statfs ();
#include <sys/vfs.h>
#endif
-#ifdef HAVE_SYS_FILSYS_H
+#if defined(HAVE_SYS_FILSYS_H) && !defined(_CRAY)
#include <sys/filsys.h> /* SVR2. */
#endif
#endif
#ifdef HAVE_DUSTAT_H /* AIX PS/2. */
-#include <sys/stat.h>
#include <sys/dustat.h>
#endif
int statvfs ();
#endif
+int safe_read ();
+
/* Return the number of TOSIZE-byte blocks used by
BLOCKS FROMSIZE-byte blocks, rounding away from zero.
TOSIZE must be positive. Return -1 if FROMSIZE is not positive. */
abort ();
if (fromsize <= 0)
return -1;
-
+
if (fromsize == tosize) /* E.g., from 512 to 512. */
return blocks;
else if (fromsize > tosize) /* E.g., from 2048 to 512. */
int
get_fs_usage (path, disk, fsp)
- char *path, *disk;
+ const char *path;
+ const char *disk;
struct fs_usage *fsp;
{
#if defined (STAT_STATFS3_OSF1)
if (fd < 0)
return -1;
lseek (fd, (long) SUPERBOFF, 0);
- if (read (fd, (char *) &fsd, sizeof fsd) != sizeof fsd)
+ if (safe_read (fd, (char *) &fsd, sizeof fsd) != sizeof fsd)
{
close (fd);
return -1;
if (statfs (path, &fsd) < 0)
return -1;
+
+#ifdef STATFS_TRUNCATES_BLOCK_COUNTS
+ /* In SunOS 4.1.2, 4.1.3, and 4.1.3_U1, the block counts in the
+ struct statfs are truncated to 2GB. These conditions detect that
+ truncation, presumably without botching the 4.1.1 case, in which
+ the values are not truncated. The correct counts are stored in
+ undocumented spare fields. */
+ if (fsd.f_blocks == 0x1fffff && fsd.f_spare[0] > 0)
+ {
+ fsd.f_blocks = fsd.f_spare[0];
+ fsd.f_bfree = fsd.f_spare[1];
+ fsd.f_bavail = fsd.f_spare[2];
+ }
+#endif /* STATFS_TRUNCATES_BLOCK_COUNTS */
+
#define CONVERT_BLOCKS(b) adjust_blocks ((b), fsd.f_bsize, 512)
#endif
#define CONVERT_BLOCKS(b) adjust_blocks ((b), fsd.f_fsize, 512)
#endif
-#ifdef STAT_STATFS4 /* SVR3, Dynix, Irix. */
+#ifdef STAT_STATFS4 /* SVR3, Dynix, Irix, AIX. */
struct statfs fsd;
if (statfs (path, &fsd, sizeof fsd, 0) < 0)
/* Empirically, the block counts on most SVR3 and SVR3-derived
systems seem to always be in terms of 512-byte blocks,
no matter what value f_bsize has. */
-#define CONVERT_BLOCKS(b) (b)
-#ifndef _SEQUENT_ /* _SEQUENT_ is DYNIX/ptx. */
-#ifndef DOLPHIN /* DOLPHIN 3.8.alfa/7.18 has f_bavail */
-#define f_bavail f_bfree
-#endif
-#endif
+# if _AIX
+# define CONVERT_BLOCKS(b) adjust_blocks ((b), fsd.f_bsize, 512)
+# else
+# define CONVERT_BLOCKS(b) (b)
+# ifndef _SEQUENT_ /* _SEQUENT_ is DYNIX/ptx. */
+# ifndef DOLPHIN /* DOLPHIN 3.8.alfa/7.18 has f_bavail */
+# define f_bavail f_bfree
+# endif
+# endif
+# endif
#endif
#ifdef STAT_STATVFS /* SVR4. */
struct stat stats;
struct dustat fsd;
- if (SAFE_STAT (path, &stats))
+ if (stat (path, &stats))
return -1;
if (dustat (stats.st_dev, 0, &fsd, sizeof (fsd)))
return -1;