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authorGravatar Ton Voon <tonvoon@users.sourceforge.net> 2007-01-24 22:47:25 +0000
committerGravatar Ton Voon <tonvoon@users.sourceforge.net> 2007-01-24 22:47:25 +0000
commitfe856aa957978504137c1d425815d4ed8a22be40 (patch)
treea5bb46ce0e64b2056f75700eadbf27aba7c39418 /lib/fsusage.c
parent210f39bc84cfbb21cd72dc054e43f13815ee0616 (diff)
downloadmonitoring-plugins-fe856aa957978504137c1d425815d4ed8a22be40.tar.gz
Sync with gnulib - lots of extraneous code removed in preference to GNU code
git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1580 f882894a-f735-0410-b71e-b25c423dba1c
Diffstat (limited to 'lib/fsusage.c')
-rw-r--r--lib/fsusage.c289
1 files changed, 0 insertions, 289 deletions
diff --git a/lib/fsusage.c b/lib/fsusage.c
deleted file mode 100644
index b1377907..00000000
--- a/lib/fsusage.c
+++ /dev/null
@@ -1,289 +0,0 @@
-/* fsusage.c -- return space usage of mounted file systems
-
- Copyright (C) 1991, 1992, 1996, 1998, 1999, 2002, 2003, 2004, 2005
- Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#if HAVE_INTTYPES_H
-# include <inttypes.h>
-#endif
-#if HAVE_STDINT_H
-# include <stdint.h>
-#endif
-#include <unistd.h>
-#ifndef UINTMAX_MAX
-# define UINTMAX_MAX ((uintmax_t) -1)
-#endif
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include "fsusage.h"
-
-#include <limits.h>
-
-#if HAVE_SYS_PARAM_H
-# include <sys/param.h>
-#endif
-
-#if HAVE_SYS_MOUNT_H
-# include <sys/mount.h>
-#endif
-
-#if HAVE_SYS_VFS_H
-# include <sys/vfs.h>
-#endif
-
-#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 */
-#endif
-
-#include <fcntl.h>
-
-#if HAVE_SYS_STATFS_H
-# include <sys/statfs.h>
-#endif
-
-#if HAVE_DUSTAT_H /* AIX PS/2 */
-# include <sys/dustat.h>
-#endif
-
-#if HAVE_SYS_STATVFS_H /* SVR4 */
-# include <sys/statvfs.h>
-#endif
-
-#include "full-read.h"
-
-/* Many space usage primitives use all 1 bits to denote a value that is
- not applicable or unknown. Propagate this information by returning
- a uintmax_t value that is all 1 bits if X is all 1 bits, even if X
- is unsigned and narrower than uintmax_t. */
-#define PROPAGATE_ALL_ONES(x) \
- ((sizeof (x) < sizeof (uintmax_t) \
- && (~ (x) == (sizeof (x) < sizeof (int) \
- ? - (1 << (sizeof (x) * CHAR_BIT)) \
- : 0))) \
- ? UINTMAX_MAX : (x))
-
-/* Extract the top bit of X as an uintmax_t value. */
-#define EXTRACT_TOP_BIT(x) ((x) \
- & ((uintmax_t) 1 << (sizeof (x) * CHAR_BIT - 1)))
-
-/* If a value is negative, many space usage primitives store it into an
- integer variable by assignment, even if the variable's type is unsigned.
- So, if a space usage variable X's top bit is set, convert X to the
- uintmax_t value V such that (- (uintmax_t) V) is the negative of
- the original value. If X's top bit is clear, just yield X.
- Use PROPAGATE_TOP_BIT if the original value might be negative;
- otherwise, use PROPAGATE_ALL_ONES. */
-#define PROPAGATE_TOP_BIT(x) ((x) | ~ (EXTRACT_TOP_BIT (x) - 1))
-
-/* 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
- methods that need to know it.
- Return 0 if successful, -1 if not. When returning -1, ensure that
- 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, struct fs_usage *fsp)
-{
-#ifdef STAT_STATFS3_OSF1
-
- struct statfs fsd;
-
- if (statfs (file, &fsd, sizeof (struct statfs)) != 0)
- return -1;
-
- fsp->fsu_blocksize = PROPAGATE_ALL_ONES (fsd.f_fsize);
-
-#endif /* STAT_STATFS3_OSF1 */
-
-#ifdef STAT_STATFS2_FS_DATA /* Ultrix */
-
- struct fs_data fsd;
-
- if (statfs (file, &fsd) != 1)
- return -1;
-
- fsp->fsu_blocksize = 1024;
- fsp->fsu_blocks = PROPAGATE_ALL_ONES (fsd.fd_req.btot);
- fsp->fsu_bfree = PROPAGATE_ALL_ONES (fsd.fd_req.bfree);
- fsp->fsu_bavail = PROPAGATE_TOP_BIT (fsd.fd_req.bfreen);
- fsp->fsu_bavail_top_bit_set = EXTRACT_TOP_BIT (fsd.fd_req.bfreen) != 0;
- fsp->fsu_files = PROPAGATE_ALL_ONES (fsd.fd_req.gtot);
- fsp->fsu_ffree = PROPAGATE_ALL_ONES (fsd.fd_req.gfree);
-
-#endif /* STAT_STATFS2_FS_DATA */
-
-#ifdef STAT_READ_FILSYS /* SVR2 */
-# ifndef SUPERBOFF
-# define SUPERBOFF (SUPERB * 512)
-# endif
-
- struct filsys fsd;
- int fd;
-
- if (! disk)
- {
- errno = 0;
- return -1;
- }
-
- fd = open (disk, O_RDONLY);
- if (fd < 0)
- return -1;
- lseek (fd, (off_t) SUPERBOFF, 0);
- if (full_read (fd, (char *) &fsd, sizeof fsd) != sizeof fsd)
- {
- close (fd);
- return -1;
- }
- close (fd);
-
- fsp->fsu_blocksize = (fsd.s_type == Fs2b ? 1024 : 512);
- fsp->fsu_blocks = PROPAGATE_ALL_ONES (fsd.s_fsize);
- fsp->fsu_bfree = PROPAGATE_ALL_ONES (fsd.s_tfree);
- fsp->fsu_bavail = PROPAGATE_TOP_BIT (fsd.s_tfree);
- fsp->fsu_bavail_top_bit_set = EXTRACT_TOP_BIT (fsd.s_tfree) != 0;
- fsp->fsu_files = (fsd.s_isize == -1
- ? UINTMAX_MAX
- : (fsd.s_isize - 2) * INOPB * (fsd.s_type == Fs2b ? 2 : 1));
- fsp->fsu_ffree = PROPAGATE_ALL_ONES (fsd.s_tinode);
-
-#endif /* STAT_READ_FILSYS */
-
-#ifdef STAT_STATFS2_BSIZE /* 4.3BSD, SunOS 4, HP-UX, AIX */
-
- struct statfs fsd;
-
- if (statfs (file, &fsd) < 0)
- return -1;
-
- fsp->fsu_blocksize = PROPAGATE_ALL_ONES (fsd.f_bsize);
-
-# 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 == 0x7fffffff / fsd.f_bsize && 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 */
-
-#endif /* STAT_STATFS2_BSIZE */
-
-#ifdef STAT_STATFS2_FSIZE /* 4.4BSD */
-
- struct statfs fsd;
-
- if (statfs (file, &fsd) < 0)
- return -1;
-
- fsp->fsu_blocksize = PROPAGATE_ALL_ONES (fsd.f_fsize);
-
-#endif /* STAT_STATFS2_FSIZE */
-
-#ifdef STAT_STATFS4 /* SVR3, Dynix, Irix, AIX */
-
-# if !_AIX && !defined _SEQUENT_ && !defined DOLPHIN
-# define f_bavail f_bfree
-# endif
-
- struct statfs fsd;
-
- if (statfs (file, &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. */
-# if _AIX || defined _CRAY
- fsp->fsu_blocksize = PROPAGATE_ALL_ONES (fsd.f_bsize);
-# else
- fsp->fsu_blocksize = 512;
-# endif
-
-#endif /* STAT_STATFS4 */
-
-#ifdef STAT_STATVFS /* SVR4 */
-
- struct statvfs fsd;
-
- if (statvfs (file, &fsd) < 0)
- return -1;
-
- /* f_frsize isn't guaranteed to be supported. */
- fsp->fsu_blocksize = (fsd.f_frsize
- ? PROPAGATE_ALL_ONES (fsd.f_frsize)
- : PROPAGATE_ALL_ONES (fsd.f_bsize));
-
-#endif /* STAT_STATVFS */
-
-#if !defined STAT_STATFS2_FS_DATA && !defined STAT_READ_FILSYS
- /* !Ultrix && !SVR2 */
-
- fsp->fsu_blocks = PROPAGATE_ALL_ONES (fsd.f_blocks);
- fsp->fsu_bfree = PROPAGATE_ALL_ONES (fsd.f_bfree);
- fsp->fsu_bavail = PROPAGATE_TOP_BIT (fsd.f_bavail);
- fsp->fsu_bavail_top_bit_set = EXTRACT_TOP_BIT (fsd.f_bavail) != 0;
- fsp->fsu_files = PROPAGATE_ALL_ONES (fsd.f_files);
- fsp->fsu_ffree = PROPAGATE_ALL_ONES (fsd.f_ffree);
-
-#endif /* not STAT_STATFS2_FS_DATA && not STAT_READ_FILSYS */
-
- return 0;
-}
-
-#if defined _AIX && defined _I386
-/* AIX PS/2 does not supply statfs. */
-
-int
-statfs (char *file, struct statfs *fsb)
-{
- struct stat stats;
- struct dustat fsd;
-
- if (stat (file, &stats) != 0)
- return -1;
- if (dustat (stats.st_dev, 0, &fsd, sizeof (fsd)))
- return -1;
- fsb->f_type = 0;
- fsb->f_bsize = fsd.du_bsize;
- fsb->f_blocks = fsd.du_fsize - fsd.du_isize;
- fsb->f_bfree = fsd.du_tfree;
- fsb->f_bavail = fsd.du_tfree;
- fsb->f_files = (fsd.du_isize - 2) * fsd.du_inopb;
- fsb->f_ffree = fsd.du_tinode;
- fsb->f_fsid.val[0] = fsd.du_site;
- fsb->f_fsid.val[1] = fsd.du_pckno;
- return 0;
-}
-
-#endif /* _AIX && _I386 */