# include <sys/vfs.h>
#endif
-#if HAVE_SYS_FS_S5PARAM_H /* Fujitsu UXP/V */
+#if HAVE_SYS_FS_S5PARAM_H /* Fujitsu UXP/V */
# include <sys/fs/s5param.h>
#endif
-#if defined(HAVE_SYS_FILSYS_H) && !defined(_CRAY)
-# include <sys/filsys.h> /* SVR2. */
+#if defined (HAVE_SYS_FILSYS_H) && !defined (_CRAY)
+# include <sys/filsys.h> /* SVR2 */
#endif
#if HAVE_FCNTL_H
# include <sys/statfs.h>
#endif
-#if HAVE_DUSTAT_H /* AIX PS/2. */
+#if HAVE_DUSTAT_H /* AIX PS/2 */
# include <sys/dustat.h>
#endif
-#if HAVE_SYS_STATVFS_H /* SVR4. */
+#if HAVE_SYS_STATVFS_H /* SVR4 */
# include <sys/statvfs.h>
int statvfs ();
#endif
if (fromsize <= 0)
return -1;
- if (fromsize == tosize) /* E.g., from 512 to 512. */
+ if (fromsize == tosize) /* e.g., from 512 to 512 */
return blocks;
- else if (fromsize > tosize) /* E.g., from 2048 to 512. */
+ else if (fromsize > tosize) /* e.g., from 2048 to 512 */
return blocks * (fromsize / tosize);
- else /* E.g., from 256 to 512. */
+ else /* e.g., from 256 to 512 */
return (blocks + (blocks < 0 ? -1 : 1)) / (tosize / fromsize);
}
const char *disk;
struct fs_usage *fsp;
{
-#if defined (STAT_STATFS3_OSF1)
+#ifdef STAT_STATFS3_OSF1
+# define CONVERT_BLOCKS(B) adjust_blocks ((B), fsd.f_fsize, 512)
+
struct statfs fsd;
if (statfs (path, &fsd, sizeof (struct statfs)) != 0)
return -1;
-# define CONVERT_BLOCKS(b) adjust_blocks ((b), fsd.f_fsize, 512)
+
#endif /* STAT_STATFS3_OSF1 */
-#ifdef STAT_STATFS2_FS_DATA /* Ultrix. */
+#ifdef STAT_STATFS2_FS_DATA /* Ultrix */
+# define CONVERT_BLOCKS(B) adjust_blocks ((B), 1024, 512)
+
struct fs_data fsd;
if (statfs (path, &fsd) != 1)
return -1;
-# define CONVERT_BLOCKS(b) adjust_blocks ((b), 1024, 512)
fsp->fsu_blocks = CONVERT_BLOCKS (fsd.fd_req.btot);
fsp->fsu_bfree = CONVERT_BLOCKS (fsd.fd_req.bfree);
fsp->fsu_bavail = CONVERT_BLOCKS (fsd.fd_req.bfreen);
fsp->fsu_files = fsd.fd_req.gtot;
fsp->fsu_ffree = fsd.fd_req.gfree;
-#endif
-#ifdef STAT_READ_FILSYS /* SVR2. */
+#endif /* STAT_STATFS2_FS_DATA */
+
+#ifdef STAT_READ_FILSYS /* SVR2 */
# ifndef SUPERBOFF
# define SUPERBOFF (SUPERB * 512)
# endif
+# define CONVERT_BLOCKS(B) \
+ adjust_blocks ((B), (fsd.s_type == Fs2b ? 1024 : 512), 512)
+
struct filsys fsd;
int fd;
return -1;
}
close (fd);
-# define CONVERT_BLOCKS(b) adjust_blocks ((b), (fsd.s_type == Fs2b ? 1024 : 512), 512)
fsp->fsu_blocks = CONVERT_BLOCKS (fsd.s_fsize);
fsp->fsu_bfree = CONVERT_BLOCKS (fsd.s_tfree);
fsp->fsu_bavail = CONVERT_BLOCKS (fsd.s_tfree);
fsp->fsu_files = (fsd.s_isize - 2) * INOPB * (fsd.s_type == Fs2b ? 2 : 1);
fsp->fsu_ffree = fsd.s_tinode;
-#endif
-#ifdef STAT_STATFS2_BSIZE /* 4.3BSD, SunOS 4, HP-UX, AIX. */
+#endif /* STAT_READ_FILSYS */
+
+#ifdef STAT_STATFS2_BSIZE /* 4.3BSD, SunOS 4, HP-UX, AIX */
+# define CONVERT_BLOCKS(B) adjust_blocks ((B), fsd.f_bsize, 512)
+
struct statfs fsd;
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
}
# endif /* STATFS_TRUNCATES_BLOCK_COUNTS */
-# define CONVERT_BLOCKS(b) adjust_blocks ((b), fsd.f_bsize, 512)
-#endif
+#endif /* STAT_STATFS2_BSIZE */
+
+#ifdef STAT_STATFS2_FSIZE /* 4.4BSD */
+# define CONVERT_BLOCKS(B) adjust_blocks ((B), fsd.f_fsize, 512)
-#ifdef STAT_STATFS2_FSIZE /* 4.4BSD. */
struct statfs fsd;
if (statfs (path, &fsd) < 0)
return -1;
-# define CONVERT_BLOCKS(b) adjust_blocks ((b), fsd.f_fsize, 512)
-#endif
-#ifdef STAT_STATFS4 /* SVR3, Dynix, Irix, AIX. */
- struct statfs fsd;
+#endif /* STAT_STATFS2_FSIZE */
- if (statfs (path, &fsd, sizeof fsd, 0) < 0)
- return -1;
- /* 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. */
+#ifdef STAT_STATFS4 /* SVR3, Dynix, Irix, AIX */
# if _AIX || defined(_CRAY)
-# define CONVERT_BLOCKS(b) adjust_blocks ((b), fsd.f_bsize, 512)
+# define CONVERT_BLOCKS(B) adjust_blocks ((B), fsd.f_bsize, 512)
# ifdef _CRAY
# define f_bavail f_bfree
# endif
# else
-# define CONVERT_BLOCKS(b) (b)
-# ifndef _SEQUENT_ /* _SEQUENT_ is DYNIX/ptx. */
+# 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 statfs fsd;
+
+ if (statfs (path, &fsd, sizeof fsd, 0) < 0)
+ return -1;
+ /* 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. */
+
+#endif /* STAT_STATFS4 */
+
+#ifdef STAT_STATVFS /* SVR4 */
+# define CONVERT_BLOCKS(B) \
+ adjust_blocks ((B), fsd.f_frsize ? fsd.f_frsize : fsd.f_bsize, 512)
+
struct statvfs fsd;
if (statvfs (path, &fsd) < 0)
return -1;
/* f_frsize isn't guaranteed to be supported. */
-# define CONVERT_BLOCKS(b) \
- adjust_blocks ((b), fsd.f_frsize ? fsd.f_frsize : fsd.f_bsize, 512)
-#endif
-#if !defined(STAT_STATFS2_FS_DATA) && !defined(STAT_READ_FILSYS) /* !Ultrix && !SVR2. */
+#endif /* STAT_STATVFS */
+
+#if !defined(STAT_STATFS2_FS_DATA) && !defined(STAT_READ_FILSYS)
+ /* !Ultrix && !SVR2 */
+
fsp->fsu_blocks = CONVERT_BLOCKS (fsd.f_blocks);
fsp->fsu_bfree = CONVERT_BLOCKS (fsd.f_bfree);
fsp->fsu_bavail = CONVERT_BLOCKS (fsd.f_bavail);
fsp->fsu_files = fsd.f_files;
fsp->fsu_ffree = fsd.f_ffree;
-#endif
+
+#endif /* not STAT_STATFS2_FS_DATA && not STAT_READ_FILSYS */
return 0;
}
fsb->f_fsid.val[1] = fsd.du_pckno;
return 0;
}
+
#endif /* _AIX && _I386 */
projects / gnulib.git / blobdiff