gnulib: lib/fsusage.c annotate

annotate lib/fsusage.c @ 39927:355c5b4c3f91

fsusage, mountlist: Remove support for DolphinOS (an SVR3 variant). * lib/fsusage.c: Remove DOLPHIN case. * m4/fsusage.m4 (gl_FILE_SYSTEM_USAGE): Update comments. * lib/mountlist.c: Remove MOUNTED_GETMNTTBL case.

author	Bruno Haible <bruno@clisp.org>
date	Tue, 16 Oct 2018 18:59:25 +0200
parents	10eb9086bea0
children	aeadde756e55

rev	line source
5159 a535859efd14 Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 4358 diff changeset	1 /* fsusage.c -- return space usage of mounted file systems
4333 fcd34d3861a4 in lib: Paul Eggert <eggert@cs.ucla.edu> parents: 4087 diff changeset	2
19484 10eb9086bea0 maint: Run 'make update-copyright' Paul Eggert <eggert@cs.ucla.edu> parents: 19225 diff changeset	3 Copyright (C) 1991-1992, 1996, 1998-1999, 2002-2006, 2009-2018 Free Software
12518 b5e42ef33b49 update nearly all FSF copyright year lists to include 2009 Jim Meyering <meyering@redhat.com> parents: 12421 diff changeset	4 Foundation, Inc.
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	5
9309 bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 7863 diff changeset	6 This program is free software: you can redistribute it and/or modify
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	7 it under the terms of the GNU General Public License as published by
9309 bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 7863 diff changeset	8 the Free Software Foundation; either version 3 of the License, or
bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 7863 diff changeset	9 (at your option) any later version.
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	10
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	11 This program is distributed in the hope that it will be useful,
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	12 but WITHOUT ANY WARRANTY; without even the implied warranty of
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	14 GNU General Public License for more details.
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	15
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	16 You should have received a copy of the GNU General Public License
19190 9759915b2aca all: prefer https: URLs Paul Eggert <eggert@cs.ucla.edu> parents: 18626 diff changeset	17 along with this program. If not, see <https://www.gnu.org/licenses/>. */
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	18
7302 8a1a9361108c * _fpending.c: Include <config.h> unconditionally, since we no Paul Eggert <eggert@cs.ucla.edu> parents: 6912 diff changeset	19 #include <config.h>
105 12f81400139d merge with 3.8.3b Jim Meyering <jim@meyering.net> parents: 104 diff changeset	20
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	21 #include "fsusage.h"
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	22
4333 fcd34d3861a4 in lib: Paul Eggert <eggert@cs.ucla.edu> parents: 4087 diff changeset	23 #include <limits.h>
6912 314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	24 #include <sys/types.h>
76 7031c61568a0 merge with 3.4.7 Jim Meyering <jim@meyering.net> parents: 40 diff changeset	25
15449 411d56b204ad fsusage: Enable large volume support on AIX >= 5.2. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	26 #if STAT_STATVFS \|\| STAT_STATVFS64 /* POSIX 1003.1-2001 (and later) with XSI */
6912 314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	27 # include <sys/statvfs.h>
314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	28 #else
314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	29 /* Don't include backward-compatibility files unless they're needed.
314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	30 Eventually we'd like to remove all this cruft. */
314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	31 # include <fcntl.h>
314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	32 # include <unistd.h>
314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	33 # include <sys/stat.h>
16961 1ba5ea17c907 fsusage: remove code not needed on non GNU/Linux systems. Pádraig Brady <P@draigBrady.com> parents: 16960 diff changeset	34 #if HAVE_SYS_PARAM_H
1ba5ea17c907 fsusage: remove code not needed on non GNU/Linux systems. Pádraig Brady <P@draigBrady.com> parents: 16960 diff changeset	35 # include <sys/param.h>
1ba5ea17c907 fsusage: remove code not needed on non GNU/Linux systems. Pádraig Brady <P@draigBrady.com> parents: 16960 diff changeset	36 #endif
1ba5ea17c907 fsusage: remove code not needed on non GNU/Linux systems. Pádraig Brady <P@draigBrady.com> parents: 16960 diff changeset	37 #if HAVE_SYS_MOUNT_H
1ba5ea17c907 fsusage: remove code not needed on non GNU/Linux systems. Pádraig Brady <P@draigBrady.com> parents: 16960 diff changeset	38 # include <sys/mount.h>
1ba5ea17c907 fsusage: remove code not needed on non GNU/Linux systems. Pádraig Brady <P@draigBrady.com> parents: 16960 diff changeset	39 #endif
1ba5ea17c907 fsusage: remove code not needed on non GNU/Linux systems. Pádraig Brady <P@draigBrady.com> parents: 16960 diff changeset	40 #if HAVE_SYS_VFS_H
1ba5ea17c907 fsusage: remove code not needed on non GNU/Linux systems. Pádraig Brady <P@draigBrady.com> parents: 16960 diff changeset	41 # include <sys/vfs.h>
1ba5ea17c907 fsusage: remove code not needed on non GNU/Linux systems. Pádraig Brady <P@draigBrady.com> parents: 16960 diff changeset	42 #endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 11414 diff changeset	43 # if HAVE_SYS_FS_S5PARAM_H /* Fujitsu UXP/V */
6912 314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	44 # include <sys/fs/s5param.h>
314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	45 # endif
314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	46 # if HAVE_SYS_STATFS_H
314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	47 # include <sys/statfs.h>
314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	48 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 11414 diff changeset	49 # if HAVE_DUSTAT_H /* AIX PS/2 */
6912 314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	50 # include <sys/dustat.h>
314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	51 # endif
669 20030d56c4ac [HAVE_SYS_FS_S5PARAM_H]: Include sys/fs/s5param.h Jim Meyering <jim@meyering.net> parents: 650 diff changeset	52 #endif
20030d56c4ac [HAVE_SYS_FS_S5PARAM_H]: Include sys/fs/s5param.h Jim Meyering <jim@meyering.net> parents: 650 diff changeset	53
1201 5f2881266806 (PROPAGATE_ALL_ONES): New macro. Jim Meyering <jim@meyering.net> parents: 1135 diff changeset	54 /* Many space usage primitives use all 1 bits to denote a value that is
5f2881266806 (PROPAGATE_ALL_ONES): New macro. Jim Meyering <jim@meyering.net> parents: 1135 diff changeset	55 not applicable or unknown. Propagate this information by returning
3994 504d447035d2 2002-09-25 Paul Eggert <eggert@twinsun.com> Jim Meyering <jim@meyering.net> parents: 2807 diff changeset	56 a uintmax_t value that is all 1 bits if X is all 1 bits, even if X
504d447035d2 2002-09-25 Paul Eggert <eggert@twinsun.com> Jim Meyering <jim@meyering.net> parents: 2807 diff changeset	57 is unsigned and narrower than uintmax_t. */
504d447035d2 2002-09-25 Paul Eggert <eggert@twinsun.com> Jim Meyering <jim@meyering.net> parents: 2807 diff changeset	58 #define PROPAGATE_ALL_ONES(x) \
7508 43875a037a03 Remove unnecessary part of previous change. Paul Eggert <eggert@cs.ucla.edu> parents: 7507 diff changeset	59 ((sizeof (x) < sizeof (uintmax_t) \
3994 504d447035d2 2002-09-25 Paul Eggert <eggert@twinsun.com> Jim Meyering <jim@meyering.net> parents: 2807 diff changeset	60 && (~ (x) == (sizeof (x) < sizeof (int) \
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 11414 diff changeset	61 ? - (1 << (sizeof (x) * CHAR_BIT)) \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 11414 diff changeset	62 : 0))) \
7507 bfd8f6c918c9 * lib/fsusage.c (PROPAGATE_ALL_ONES): Don't assume uintmax_t is Paul Eggert <eggert@cs.ucla.edu> parents: 7406 diff changeset	63 ? UINTMAX_MAX : (uintmax_t) (x))
1201 5f2881266806 (PROPAGATE_ALL_ONES): New macro. Jim Meyering <jim@meyering.net> parents: 1135 diff changeset	64
1281 e7fef68c6d85 Include <limits.h>. Jim Meyering <jim@meyering.net> parents: 1202 diff changeset	65 /* Extract the top bit of X as an uintmax_t value. */
e7fef68c6d85 Include <limits.h>. Jim Meyering <jim@meyering.net> parents: 1202 diff changeset	66 #define EXTRACT_TOP_BIT(x) ((x) \
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 11414 diff changeset	67 & ((uintmax_t) 1 << (sizeof (x) * CHAR_BIT - 1)))
1281 e7fef68c6d85 Include <limits.h>. Jim Meyering <jim@meyering.net> parents: 1202 diff changeset	68
e7fef68c6d85 Include <limits.h>. Jim Meyering <jim@meyering.net> parents: 1202 diff changeset	69 /* If a value is negative, many space usage primitives store it into an
e7fef68c6d85 Include <limits.h>. Jim Meyering <jim@meyering.net> parents: 1202 diff changeset	70 integer variable by assignment, even if the variable's type is unsigned.
e7fef68c6d85 Include <limits.h>. Jim Meyering <jim@meyering.net> parents: 1202 diff changeset	71 So, if a space usage variable X's top bit is set, convert X to the
e7fef68c6d85 Include <limits.h>. Jim Meyering <jim@meyering.net> parents: 1202 diff changeset	72 uintmax_t value V such that (- (uintmax_t) V) is the negative of
e7fef68c6d85 Include <limits.h>. Jim Meyering <jim@meyering.net> parents: 1202 diff changeset	73 the original value. If X's top bit is clear, just yield X.
e7fef68c6d85 Include <limits.h>. Jim Meyering <jim@meyering.net> parents: 1202 diff changeset	74 Use PROPAGATE_TOP_BIT if the original value might be negative;
e7fef68c6d85 Include <limits.h>. Jim Meyering <jim@meyering.net> parents: 1202 diff changeset	75 otherwise, use PROPAGATE_ALL_ONES. */
e7fef68c6d85 Include <limits.h>. Jim Meyering <jim@meyering.net> parents: 1202 diff changeset	76 #define PROPAGATE_TOP_BIT(x) ((x) \| ~ (EXTRACT_TOP_BIT (x) - 1))
e7fef68c6d85 Include <limits.h>. Jim Meyering <jim@meyering.net> parents: 1202 diff changeset	77
16847 53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	78 #ifdef STAT_STATVFS
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	79 /* Return true if statvfs works. This is false for statvfs on systems
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	80 with GNU libc on Linux kernels before 2.6.36, which stats all
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	81 preceding entries in /proc/mounts; that makes df hang if even one
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	82 of the corresponding file systems is hard-mounted but not available. */
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	83 # if ! (__linux__ && (__GLIBC__ \|\| __UCLIBC__))
16961 1ba5ea17c907 fsusage: remove code not needed on non GNU/Linux systems. Pádraig Brady <P@draigBrady.com> parents: 16960 diff changeset	84 /* The FRSIZE fallback is not required in this case. */
1ba5ea17c907 fsusage: remove code not needed on non GNU/Linux systems. Pádraig Brady <P@draigBrady.com> parents: 16960 diff changeset	85 # undef STAT_STATFS2_FRSIZE
16847 53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	86 static int statvfs_works (void) { return 1; }
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	87 # else
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	88 # include <string.h> /* for strverscmp */
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	89 # include <sys/utsname.h>
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	90 # include <sys/statfs.h>
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	91 # define STAT_STATFS2_BSIZE 1
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	92
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	93 static int
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	94 statvfs_works (void)
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	95 {
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	96 static int statvfs_works_cache = -1;
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	97 struct utsname name;
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	98 if (statvfs_works_cache < 0)
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	99 statvfs_works_cache = (uname (&name) == 0
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	100 && 0 <= strverscmp (name.release, "2.6.36"));
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	101 return statvfs_works_cache;
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	102 }
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	103 # endif
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	104 #endif
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	105
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	106
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	107 /* Fill in the fields of FSP with information about space usage for
5907 c47674a83a78 Sync from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 5848 diff changeset	108 the file system on which FILE resides.
c47674a83a78 Sync from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 5848 diff changeset	109 DISK is the device on which FILE is mounted, for space-getting
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	110 methods that need to know it.
793 d257c9ac0e72 (get_fs_usage): If DISK is 0 and we needed to use Jim Meyering <jim@meyering.net> parents: 780 diff changeset	111 Return 0 if successful, -1 if not. When returning -1, ensure that
d257c9ac0e72 (get_fs_usage): If DISK is 0 and we needed to use Jim Meyering <jim@meyering.net> parents: 780 diff changeset	112 ERRNO is either a system error value, or zero if DISK is NULL
d257c9ac0e72 (get_fs_usage): If DISK is 0 and we needed to use Jim Meyering <jim@meyering.net> parents: 780 diff changeset	113 on a system that requires a non-NULL value. */
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	114 int
11112 e7df8edd0e88 still avoid unused-parameter warnings, but do it cleanly Jim Meyering <meyering@redhat.com> parents: 11111 diff changeset	115 get_fs_usage (char const file, char const disk, struct fs_usage *fsp)
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	116 {
16847 53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	117 #ifdef STAT_STATVFS /* POSIX, except pre-2.6.36 glibc/Linux */
780 4361996c2116 libitize Jim Meyering <jim@meyering.net> parents: 774 diff changeset	118
16847 53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	119 if (statvfs_works ())
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	120 {
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	121 struct statvfs vfsd;
76 7031c61568a0 merge with 3.4.7 Jim Meyering <jim@meyering.net> parents: 40 diff changeset	122
16847 53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	123 if (statvfs (file, &vfsd) < 0)
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	124 return -1;
780 4361996c2116 libitize Jim Meyering <jim@meyering.net> parents: 774 diff changeset	125
16847 53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	126 /* f_frsize isn't guaranteed to be supported. */
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	127 fsp->fsu_blocksize = (vfsd.f_frsize
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	128 ? PROPAGATE_ALL_ONES (vfsd.f_frsize)
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	129 : PROPAGATE_ALL_ONES (vfsd.f_bsize));
1135 5306f6a320de Do all calculations using uintmax_t. Jim Meyering <jim@meyering.net> parents: 793 diff changeset	130
16847 53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	131 fsp->fsu_blocks = PROPAGATE_ALL_ONES (vfsd.f_blocks);
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	132 fsp->fsu_bfree = PROPAGATE_ALL_ONES (vfsd.f_bfree);
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	133 fsp->fsu_bavail = PROPAGATE_TOP_BIT (vfsd.f_bavail);
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	134 fsp->fsu_bavail_top_bit_set = EXTRACT_TOP_BIT (vfsd.f_bavail) != 0;
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	135 fsp->fsu_files = PROPAGATE_ALL_ONES (vfsd.f_files);
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	136 fsp->fsu_ffree = PROPAGATE_ALL_ONES (vfsd.f_ffree);
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	137 return 0;
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	138 }
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	139
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	140 #endif
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	141
53fb1ea35cc9 fsusage: check for GNU/Linux statvfs problem dynamically Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	142 #if defined STAT_STATVFS64 /* AIX */
15449 411d56b204ad fsusage: Enable large volume support on AIX >= 5.2. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	143
411d56b204ad fsusage: Enable large volume support on AIX >= 5.2. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	144 struct statvfs64 fsd;
411d56b204ad fsusage: Enable large volume support on AIX >= 5.2. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	145
411d56b204ad fsusage: Enable large volume support on AIX >= 5.2. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	146 if (statvfs64 (file, &fsd) < 0)
411d56b204ad fsusage: Enable large volume support on AIX >= 5.2. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	147 return -1;
411d56b204ad fsusage: Enable large volume support on AIX >= 5.2. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	148
411d56b204ad fsusage: Enable large volume support on AIX >= 5.2. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	149 /* f_frsize isn't guaranteed to be supported. */
411d56b204ad fsusage: Enable large volume support on AIX >= 5.2. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	150 fsp->fsu_blocksize = (fsd.f_frsize
411d56b204ad fsusage: Enable large volume support on AIX >= 5.2. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	151 ? PROPAGATE_ALL_ONES (fsd.f_frsize)
411d56b204ad fsusage: Enable large volume support on AIX >= 5.2. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	152 : PROPAGATE_ALL_ONES (fsd.f_bsize));
411d56b204ad fsusage: Enable large volume support on AIX >= 5.2. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	153
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 11414 diff changeset	154 #elif defined STAT_STATFS2_FS_DATA /* Ultrix */
780 4361996c2116 libitize Jim Meyering <jim@meyering.net> parents: 774 diff changeset	155
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	156 struct fs_data fsd;
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	157
5907 c47674a83a78 Sync from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 5848 diff changeset	158 if (statfs (file, &fsd) != 1)
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	159 return -1;
1135 5306f6a320de Do all calculations using uintmax_t. Jim Meyering <jim@meyering.net> parents: 793 diff changeset	160
5306f6a320de Do all calculations using uintmax_t. Jim Meyering <jim@meyering.net> parents: 793 diff changeset	161 fsp->fsu_blocksize = 1024;
1201 5f2881266806 (PROPAGATE_ALL_ONES): New macro. Jim Meyering <jim@meyering.net> parents: 1135 diff changeset	162 fsp->fsu_blocks = PROPAGATE_ALL_ONES (fsd.fd_req.btot);
5f2881266806 (PROPAGATE_ALL_ONES): New macro. Jim Meyering <jim@meyering.net> parents: 1135 diff changeset	163 fsp->fsu_bfree = PROPAGATE_ALL_ONES (fsd.fd_req.bfree);
1281 e7fef68c6d85 Include <limits.h>. Jim Meyering <jim@meyering.net> parents: 1202 diff changeset	164 fsp->fsu_bavail = PROPAGATE_TOP_BIT (fsd.fd_req.bfreen);
e7fef68c6d85 Include <limits.h>. Jim Meyering <jim@meyering.net> parents: 1202 diff changeset	165 fsp->fsu_bavail_top_bit_set = EXTRACT_TOP_BIT (fsd.fd_req.bfreen) != 0;
1201 5f2881266806 (PROPAGATE_ALL_ONES): New macro. Jim Meyering <jim@meyering.net> parents: 1135 diff changeset	166 fsp->fsu_files = PROPAGATE_ALL_ONES (fsd.fd_req.gtot);
5f2881266806 (PROPAGATE_ALL_ONES): New macro. Jim Meyering <jim@meyering.net> parents: 1135 diff changeset	167 fsp->fsu_ffree = PROPAGATE_ALL_ONES (fsd.fd_req.gfree);
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	168
13450 0394cf0c5bad fsusage: Clarify which code applies to which platforms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	169 #elif defined STAT_STATFS3_OSF1 /* OSF/1 */
6912 314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	170
314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	171 struct statfs fsd;
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	172
6912 314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	173 if (statfs (file, &fsd, sizeof (struct statfs)) != 0)
314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	174 return -1;
314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	175
314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	176 fsp->fsu_blocksize = PROPAGATE_ALL_ONES (fsd.f_fsize);
314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	177
16857 62fe7a186f63 fsusage: fix block size returned on older Linux 2.6 Pádraig Brady <P@draigBrady.com> parents: 16847 diff changeset	178 #elif defined STAT_STATFS2_FRSIZE /* 2.6 < glibc/Linux < 2.6.36 */
62fe7a186f63 fsusage: fix block size returned on older Linux 2.6 Pádraig Brady <P@draigBrady.com> parents: 16847 diff changeset	179
62fe7a186f63 fsusage: fix block size returned on older Linux 2.6 Pádraig Brady <P@draigBrady.com> parents: 16847 diff changeset	180 struct statfs fsd;
62fe7a186f63 fsusage: fix block size returned on older Linux 2.6 Pádraig Brady <P@draigBrady.com> parents: 16847 diff changeset	181
62fe7a186f63 fsusage: fix block size returned on older Linux 2.6 Pádraig Brady <P@draigBrady.com> parents: 16847 diff changeset	182 if (statfs (file, &fsd) < 0)
62fe7a186f63 fsusage: fix block size returned on older Linux 2.6 Pádraig Brady <P@draigBrady.com> parents: 16847 diff changeset	183 return -1;
62fe7a186f63 fsusage: fix block size returned on older Linux 2.6 Pádraig Brady <P@draigBrady.com> parents: 16847 diff changeset	184
62fe7a186f63 fsusage: fix block size returned on older Linux 2.6 Pádraig Brady <P@draigBrady.com> parents: 16847 diff changeset	185 fsp->fsu_blocksize = PROPAGATE_ALL_ONES (fsd.f_frsize);
62fe7a186f63 fsusage: fix block size returned on older Linux 2.6 Pádraig Brady <P@draigBrady.com> parents: 16847 diff changeset	186
62fe7a186f63 fsusage: fix block size returned on older Linux 2.6 Pádraig Brady <P@draigBrady.com> parents: 16847 diff changeset	187 #elif defined STAT_STATFS2_BSIZE /* glibc/Linux < 2.6, 4.3BSD, SunOS 4, \
16935 498a2211d839 Write "Mac OS X" instead of "MacOS X". Bruno Haible <bruno@clisp.org> parents: 16857 diff changeset	188 Mac OS X < 10.4, FreeBSD < 5.0, \
13450 0394cf0c5bad fsusage: Clarify which code applies to which platforms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	189 NetBSD < 3.0, OpenBSD < 4.4 */
780 4361996c2116 libitize Jim Meyering <jim@meyering.net> parents: 774 diff changeset	190
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	191 struct statfs fsd;
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	192
5907 c47674a83a78 Sync from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 5848 diff changeset	193 if (statfs (file, &fsd) < 0)
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	194 return -1;
488 3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block Jim Meyering <jim@meyering.net> parents: 439 diff changeset	195
1201 5f2881266806 (PROPAGATE_ALL_ONES): New macro. Jim Meyering <jim@meyering.net> parents: 1135 diff changeset	196 fsp->fsu_blocksize = PROPAGATE_ALL_ONES (fsd.f_bsize);
1135 5306f6a320de Do all calculations using uintmax_t. Jim Meyering <jim@meyering.net> parents: 793 diff changeset	197
774 2158edf8414e cpp-indent + change some #ifdef to #if Jim Meyering <jim@meyering.net> parents: 670 diff changeset	198 # ifdef STATFS_TRUNCATES_BLOCK_COUNTS
780 4361996c2116 libitize Jim Meyering <jim@meyering.net> parents: 774 diff changeset	199
488 3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block Jim Meyering <jim@meyering.net> parents: 439 diff changeset	200 /* In SunOS 4.1.2, 4.1.3, and 4.1.3_U1, the block counts in the
3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block Jim Meyering <jim@meyering.net> parents: 439 diff changeset	201 struct statfs are truncated to 2GB. These conditions detect that
3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block Jim Meyering <jim@meyering.net> parents: 439 diff changeset	202 truncation, presumably without botching the 4.1.1 case, in which
3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block Jim Meyering <jim@meyering.net> parents: 439 diff changeset	203 the values are not truncated. The correct counts are stored in
3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block Jim Meyering <jim@meyering.net> parents: 439 diff changeset	204 undocumented spare fields. */
1876 663e86d5d38c (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Jim Meyering <jim@meyering.net> parents: 1557 diff changeset	205 if (fsd.f_blocks == 0x7fffffff / fsd.f_bsize && fsd.f_spare[0] > 0)
488 3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block Jim Meyering <jim@meyering.net> parents: 439 diff changeset	206 {
3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block Jim Meyering <jim@meyering.net> parents: 439 diff changeset	207 fsd.f_blocks = fsd.f_spare[0];
3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block Jim Meyering <jim@meyering.net> parents: 439 diff changeset	208 fsd.f_bfree = fsd.f_spare[1];
3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block Jim Meyering <jim@meyering.net> parents: 439 diff changeset	209 fsd.f_bavail = fsd.f_spare[2];
3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block Jim Meyering <jim@meyering.net> parents: 439 diff changeset	210 }
774 2158edf8414e cpp-indent + change some #ifdef to #if Jim Meyering <jim@meyering.net> parents: 670 diff changeset	211 # endif /* STATFS_TRUNCATES_BLOCK_COUNTS */
488 3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block Jim Meyering <jim@meyering.net> parents: 439 diff changeset	212
13450 0394cf0c5bad fsusage: Clarify which code applies to which platforms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	213 #elif defined STAT_STATFS2_FSIZE /* 4.4BSD and older NetBSD */
780 4361996c2116 libitize Jim Meyering <jim@meyering.net> parents: 774 diff changeset	214
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	215 struct statfs fsd;
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	216
5907 c47674a83a78 Sync from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 5848 diff changeset	217 if (statfs (file, &fsd) < 0)
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	218 return -1;
780 4361996c2116 libitize Jim Meyering <jim@meyering.net> parents: 774 diff changeset	219
1201 5f2881266806 (PROPAGATE_ALL_ONES): New macro. Jim Meyering <jim@meyering.net> parents: 1135 diff changeset	220 fsp->fsu_blocksize = PROPAGATE_ALL_ONES (fsd.f_fsize);
1135 5306f6a320de Do all calculations using uintmax_t. Jim Meyering <jim@meyering.net> parents: 793 diff changeset	221
39927 355c5b4c3f91 fsusage, mountlist: Remove support for DolphinOS (an SVR3 variant). Bruno Haible <bruno@clisp.org> parents: 19484 diff changeset	222 #elif defined STAT_STATFS4 /* SVR3, Dynix, old Irix, old AIX */
1135 5306f6a320de Do all calculations using uintmax_t. Jim Meyering <jim@meyering.net> parents: 793 diff changeset	223
39927 355c5b4c3f91 fsusage, mountlist: Remove support for DolphinOS (an SVR3 variant). Bruno Haible <bruno@clisp.org> parents: 19484 diff changeset	224 # if !_AIX && !defined _SEQUENT_
1135 5306f6a320de Do all calculations using uintmax_t. Jim Meyering <jim@meyering.net> parents: 793 diff changeset	225 # define f_bavail f_bfree
780 4361996c2116 libitize Jim Meyering <jim@meyering.net> parents: 774 diff changeset	226 # endif
4361996c2116 libitize Jim Meyering <jim@meyering.net> parents: 774 diff changeset	227
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	228 struct statfs fsd;
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	229
5907 c47674a83a78 Sync from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 5848 diff changeset	230 if (statfs (file, &fsd, sizeof fsd, 0) < 0)
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	231 return -1;
1135 5306f6a320de Do all calculations using uintmax_t. Jim Meyering <jim@meyering.net> parents: 793 diff changeset	232
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	233 /* Empirically, the block counts on most SVR3 and SVR3-derived
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	234 systems seem to always be in terms of 512-byte blocks,
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	235 no matter what value f_bsize has. */
4010 f1d0bc6f6458 Remove unneeded parentheses around operands of `defined'. Jim Meyering <jim@meyering.net> parents: 3994 diff changeset	236 # if _AIX \|\| defined _CRAY
1201 5f2881266806 (PROPAGATE_ALL_ONES): New macro. Jim Meyering <jim@meyering.net> parents: 1135 diff changeset	237 fsp->fsu_blocksize = PROPAGATE_ALL_ONES (fsd.f_bsize);
1135 5306f6a320de Do all calculations using uintmax_t. Jim Meyering <jim@meyering.net> parents: 793 diff changeset	238 # else
5306f6a320de Do all calculations using uintmax_t. Jim Meyering <jim@meyering.net> parents: 793 diff changeset	239 fsp->fsu_blocksize = 512;
5306f6a320de Do all calculations using uintmax_t. Jim Meyering <jim@meyering.net> parents: 793 diff changeset	240 # endif
780 4361996c2116 libitize Jim Meyering <jim@meyering.net> parents: 774 diff changeset	241
6912 314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	242 #endif
1135 5306f6a320de Do all calculations using uintmax_t. Jim Meyering <jim@meyering.net> parents: 793 diff changeset	243
17000 9fc45cd5d9b5 fsusage: port back to Solaris Paul Eggert <eggert@cs.ucla.edu> parents: 16961 diff changeset	244 #if (defined STAT_STATVFS64 \|\| defined STAT_STATFS3_OSF1 \
9fc45cd5d9b5 fsusage: port back to Solaris Paul Eggert <eggert@cs.ucla.edu> parents: 16961 diff changeset	245 \|\| defined STAT_STATFS2_FRSIZE \|\| defined STAT_STATFS2_BSIZE \
9fc45cd5d9b5 fsusage: port back to Solaris Paul Eggert <eggert@cs.ucla.edu> parents: 16961 diff changeset	246 \|\| defined STAT_STATFS2_FSIZE \|\| defined STAT_STATFS4)
780 4361996c2116 libitize Jim Meyering <jim@meyering.net> parents: 774 diff changeset	247
1201 5f2881266806 (PROPAGATE_ALL_ONES): New macro. Jim Meyering <jim@meyering.net> parents: 1135 diff changeset	248 fsp->fsu_blocks = PROPAGATE_ALL_ONES (fsd.f_blocks);
5f2881266806 (PROPAGATE_ALL_ONES): New macro. Jim Meyering <jim@meyering.net> parents: 1135 diff changeset	249 fsp->fsu_bfree = PROPAGATE_ALL_ONES (fsd.f_bfree);
1281 e7fef68c6d85 Include <limits.h>. Jim Meyering <jim@meyering.net> parents: 1202 diff changeset	250 fsp->fsu_bavail = PROPAGATE_TOP_BIT (fsd.f_bavail);
e7fef68c6d85 Include <limits.h>. Jim Meyering <jim@meyering.net> parents: 1202 diff changeset	251 fsp->fsu_bavail_top_bit_set = EXTRACT_TOP_BIT (fsd.f_bavail) != 0;
1201 5f2881266806 (PROPAGATE_ALL_ONES): New macro. Jim Meyering <jim@meyering.net> parents: 1135 diff changeset	252 fsp->fsu_files = PROPAGATE_ALL_ONES (fsd.f_files);
5f2881266806 (PROPAGATE_ALL_ONES): New macro. Jim Meyering <jim@meyering.net> parents: 1135 diff changeset	253 fsp->fsu_ffree = PROPAGATE_ALL_ONES (fsd.f_ffree);
780 4361996c2116 libitize Jim Meyering <jim@meyering.net> parents: 774 diff changeset	254
6912 314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	255 #endif
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	256
11414 854e145c049b fsusage: avoid syntax error due to statement-before-declaration Jim Meyering <meyering@redhat.com> parents: 11112 diff changeset	257 (void) disk; /* avoid argument-unused warning */
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	258 return 0;
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	259 }
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	260
4010 f1d0bc6f6458 Remove unneeded parentheses around operands of `defined'. Jim Meyering <jim@meyering.net> parents: 3994 diff changeset	261 #if defined _AIX && defined _I386
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	262 /* AIX PS/2 does not supply statfs. */
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	263
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	264 int
5907 c47674a83a78 Sync from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 5848 diff changeset	265 statfs (char file, struct statfs fsb)
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	266 {
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	267 struct stat stats;
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	268 struct dustat fsd;
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	269
5907 c47674a83a78 Sync from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 5848 diff changeset	270 if (stat (file, &stats) != 0)
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	271 return -1;
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	272 if (dustat (stats.st_dev, 0, &fsd, sizeof (fsd)))
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	273 return -1;
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	274 fsb->f_type = 0;
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	275 fsb->f_bsize = fsd.du_bsize;
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	276 fsb->f_blocks = fsd.du_fsize - fsd.du_isize;
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	277 fsb->f_bfree = fsd.du_tfree;
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	278 fsb->f_bavail = fsd.du_tfree;
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	279 fsb->f_files = (fsd.du_isize - 2) * fsd.du_inopb;
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	280 fsb->f_ffree = fsd.du_tinode;
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	281 fsb->f_fsid.val[0] = fsd.du_site;
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	282 fsb->f_fsid.val[1] = fsd.du_pckno;
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	283 return 0;
41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	284 }
780 4361996c2116 libitize Jim Meyering <jim@meyering.net> parents: 774 diff changeset	285
5 41c9d08b09d7 Initial revision Jim Meyering <jim@meyering.net> parents: diff changeset	286 #endif /* _AIX && _I386 */

Mercurial > gnulib

annotate lib/fsusage.c @ 39927:355c5b4c3f91