mirror of
https://github.com/MidnightCommander/mc
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654b58d2b5
fsusage, mountlist: Remove support for Dynix/ptx. * m4.include/gnulib/fsusage.m4 (gl_FILE_SYSTEM_USAGE): Update comments. * m4.include/gnulib/ls-mntd-fs.m4 (AC_FUNC_GETMNTENT): Don't test for libseq. (gl_LIST_MOUNTED_FILE_SYSTEMS): Don't test for MNTTABNAME. * lib/stat-size.h: Don't mention the Sequent bug. * src/filemanager/mountlist.c: Don't test for MNTTABNAME. Remove _SEQUENT_ case Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
343 lines
11 KiB
Plaintext
343 lines
11 KiB
Plaintext
# serial 34
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# Obtaining file system usage information.
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# Copyright (C) 1997-1998, 2000-2001, 2003-2017 Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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# Written by Jim Meyering.
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AC_DEFUN([gl_FSUSAGE],
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[
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AC_CHECK_HEADERS_ONCE([sys/param.h])
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AC_CHECK_HEADERS_ONCE([sys/vfs.h sys/fs_types.h])
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AC_CHECK_HEADERS([sys/mount.h], [], [],
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[AC_INCLUDES_DEFAULT
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[#if HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif]])
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gl_FILE_SYSTEM_USAGE([gl_cv_fs_space=yes], [gl_cv_fs_space=no])
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])
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# Try to determine how a program can obtain file system usage information.
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# If successful, define the appropriate symbol (see fsusage.c) and
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# execute ACTION-IF-FOUND. Otherwise, execute ACTION-IF-NOT-FOUND.
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#
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# gl_FILE_SYSTEM_USAGE([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
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AC_DEFUN([gl_FILE_SYSTEM_USAGE],
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[
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dnl Enable large-file support. This has the effect of changing the size
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dnl of field f_blocks in 'struct statvfs' from 32 bit to 64 bit on
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dnl glibc/Hurd, HP-UX 11, Solaris (32-bit mode). It also changes the size
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dnl of field f_blocks in 'struct statfs' from 32 bit to 64 bit on
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dnl Mac OS X >= 10.5 (32-bit mode).
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AC_REQUIRE([AC_SYS_LARGEFILE])
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AC_MSG_CHECKING([how to get file system space usage])
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ac_fsusage_space=no
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# Perform only the link test since it seems there are no variants of the
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# statvfs function. This check is more than just AC_CHECK_FUNCS([statvfs])
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# because that got a false positive on SCO OSR5. Adding the declaration
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# of a 'struct statvfs' causes this test to fail (as it should) on such
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# systems. That system is reported to work fine with STAT_STATFS4 which
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# is what it gets when this test fails.
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if test $ac_fsusage_space = no; then
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# glibc/{Hurd,kFreeBSD}, FreeBSD >= 5.0, NetBSD >= 3.0,
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# OpenBSD >= 4.4, AIX, HP-UX, IRIX, Solaris, Cygwin, Interix, BeOS.
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AC_CACHE_CHECK([for statvfs function (SVR4)],
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[fu_cv_sys_stat_statvfs],
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[AC_LINK_IFELSE(
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[AC_LANG_PROGRAM([[
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#include <sys/types.h>
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#ifdef __osf__
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"Do not use Tru64's statvfs implementation"
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#endif
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#include <sys/statvfs.h>
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struct statvfs fsd;
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#if defined __APPLE__ && defined __MACH__
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#include <limits.h>
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/* On Mac OS X >= 10.5, f_blocks in 'struct statvfs' is a 32-bit quantity;
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that commonly limits file systems to 4 TiB. Whereas f_blocks in
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'struct statfs' is a 64-bit type, thanks to the large-file support
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that was enabled above. In this case, don't use statvfs(); use statfs()
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instead. */
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int check_f_blocks_size[sizeof fsd.f_blocks * CHAR_BIT <= 32 ? -1 : 1];
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#endif
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]],
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[[statvfs (0, &fsd);]])],
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[fu_cv_sys_stat_statvfs=yes],
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[fu_cv_sys_stat_statvfs=no])
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])
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if test $fu_cv_sys_stat_statvfs = yes; then
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ac_fsusage_space=yes
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# AIX >= 5.2 has statvfs64 that has a wider f_blocks field than statvfs.
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# glibc, HP-UX, IRIX, Solaris have statvfs64 as well, but on these systems
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# statvfs with large-file support is already equivalent to statvfs64.
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AC_CACHE_CHECK([whether to use statvfs64],
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[fu_cv_sys_stat_statvfs64],
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[AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[[#include <sys/types.h>
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#include <sys/statvfs.h>
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struct statvfs64 fsd;
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int check_f_blocks_larger_in_statvfs64
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[sizeof (((struct statvfs64 *) 0)->f_blocks)
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> sizeof (((struct statvfs *) 0)->f_blocks)
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? 1 : -1];
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]],
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[[statvfs64 (0, &fsd);]])],
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[fu_cv_sys_stat_statvfs64=yes],
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[fu_cv_sys_stat_statvfs64=no])
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])
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if test $fu_cv_sys_stat_statvfs64 = yes; then
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AC_DEFINE([STAT_STATVFS64], [1],
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[Define if statvfs64 should be preferred over statvfs.])
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else
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AC_DEFINE([STAT_STATVFS], [1],
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[Define if there is a function named statvfs. (SVR4)])
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fi
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fi
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fi
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# Check for this unconditionally so we have a
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# good fallback on glibc/Linux > 2.6 < 2.6.36
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AC_CACHE_CHECK([for two-argument statfs with statfs.f_frsize member],
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[fu_cv_sys_stat_statfs2_frsize],
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[AC_RUN_IFELSE(
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[AC_LANG_SOURCE([[
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#ifdef HAVE_SYS_MOUNT_H
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#include <sys/mount.h>
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#endif
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#ifdef HAVE_SYS_VFS_H
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#include <sys/vfs.h>
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#endif
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int
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main ()
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{
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struct statfs fsd;
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fsd.f_frsize = 0;
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return statfs (".", &fsd) != 0;
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}]])],
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[fu_cv_sys_stat_statfs2_frsize=yes],
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[fu_cv_sys_stat_statfs2_frsize=no],
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[fu_cv_sys_stat_statfs2_frsize=no])
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])
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if test $fu_cv_sys_stat_statfs2_frsize = yes; then
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ac_fsusage_space=yes
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AC_DEFINE([STAT_STATFS2_FRSIZE], [1],
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[Define if statfs takes 2 args and struct statfs has a field named f_frsize.
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(glibc/Linux > 2.6)])
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fi
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if test $ac_fsusage_space = no; then
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# DEC Alpha running OSF/1
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AC_CACHE_CHECK([for 3-argument statfs function (DEC OSF/1)],
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[fu_cv_sys_stat_statfs3_osf1],
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[AC_RUN_IFELSE([AC_LANG_SOURCE([[
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/mount.h>
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int
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main ()
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{
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struct statfs fsd;
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fsd.f_fsize = 0;
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return statfs (".", &fsd, sizeof (struct statfs)) != 0;
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}]])],
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[fu_cv_sys_stat_statfs3_osf1=yes],
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[fu_cv_sys_stat_statfs3_osf1=no],
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[fu_cv_sys_stat_statfs3_osf1=no])
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])
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if test $fu_cv_sys_stat_statfs3_osf1 = yes; then
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ac_fsusage_space=yes
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AC_DEFINE([STAT_STATFS3_OSF1], [1],
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[Define if statfs takes 3 args. (DEC Alpha running OSF/1)])
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fi
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fi
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if test $ac_fsusage_space = no; then
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# glibc/Linux, Mac OS X, FreeBSD < 5.0, NetBSD < 3.0, OpenBSD < 4.4.
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# (glibc/{Hurd,kFreeBSD}, FreeBSD >= 5.0, NetBSD >= 3.0,
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# OpenBSD >= 4.4, AIX, HP-UX, OSF/1, Cygwin already handled above.)
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# (On IRIX you need to include <sys/statfs.h>, not only <sys/mount.h> and
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# <sys/vfs.h>.)
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# (On Solaris, statfs has 4 arguments.)
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AC_CACHE_CHECK([for two-argument statfs with statfs.f_bsize member (AIX, 4.3BSD)],
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[fu_cv_sys_stat_statfs2_bsize],
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[AC_RUN_IFELSE([AC_LANG_SOURCE([[
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#ifdef HAVE_SYS_MOUNT_H
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#include <sys/mount.h>
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#endif
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#ifdef HAVE_SYS_VFS_H
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#include <sys/vfs.h>
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#endif
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int
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main ()
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{
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struct statfs fsd;
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fsd.f_bsize = 0;
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return statfs (".", &fsd) != 0;
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}]])],
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[fu_cv_sys_stat_statfs2_bsize=yes],
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[fu_cv_sys_stat_statfs2_bsize=no],
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[fu_cv_sys_stat_statfs2_bsize=no])
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])
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if test $fu_cv_sys_stat_statfs2_bsize = yes; then
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ac_fsusage_space=yes
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AC_DEFINE([STAT_STATFS2_BSIZE], [1],
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[Define if statfs takes 2 args and struct statfs has a field named f_bsize.
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(4.3BSD, SunOS 4, HP-UX)])
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fi
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fi
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if test $ac_fsusage_space = no; then
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# SVR3
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# (Solaris already handled above.)
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AC_CACHE_CHECK([for four-argument statfs (SVR3)],
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[fu_cv_sys_stat_statfs4],
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[AC_RUN_IFELSE([AC_LANG_SOURCE([[
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#include <sys/types.h>
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#include <sys/statfs.h>
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int
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main ()
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{
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struct statfs fsd;
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return statfs (".", &fsd, sizeof fsd, 0) != 0;
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}]])],
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[fu_cv_sys_stat_statfs4=yes],
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[fu_cv_sys_stat_statfs4=no],
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[fu_cv_sys_stat_statfs4=no])
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])
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if test $fu_cv_sys_stat_statfs4 = yes; then
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ac_fsusage_space=yes
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AC_DEFINE([STAT_STATFS4], [1],
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[Define if statfs takes 4 args. (SVR3, old Irix)])
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fi
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fi
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if test $ac_fsusage_space = no; then
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# 4.4BSD and older NetBSD
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# (OSF/1 already handled above.)
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# (On AIX, you need to include <sys/statfs.h>, not only <sys/mount.h>.)
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# (On Solaris, statfs has 4 arguments and 'struct statfs' is not declared in
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# <sys/mount.h>.)
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AC_CACHE_CHECK([for two-argument statfs with statfs.f_fsize member (4.4BSD and NetBSD)],
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[fu_cv_sys_stat_statfs2_fsize],
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[AC_RUN_IFELSE([AC_LANG_SOURCE([[
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#include <sys/types.h>
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#ifdef HAVE_SYS_MOUNT_H
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#include <sys/mount.h>
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#endif
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int
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main ()
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{
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struct statfs fsd;
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fsd.f_fsize = 0;
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return statfs (".", &fsd) != 0;
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}]])],
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[fu_cv_sys_stat_statfs2_fsize=yes],
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[fu_cv_sys_stat_statfs2_fsize=no],
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[fu_cv_sys_stat_statfs2_fsize=no])
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])
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if test $fu_cv_sys_stat_statfs2_fsize = yes; then
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ac_fsusage_space=yes
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AC_DEFINE([STAT_STATFS2_FSIZE], [1],
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[Define if statfs takes 2 args and struct statfs has a field named f_fsize.
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(4.4BSD, NetBSD)])
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fi
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fi
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if test $ac_fsusage_space = no; then
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# Ultrix
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AC_CACHE_CHECK([for two-argument statfs with struct fs_data (Ultrix)],
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[fu_cv_sys_stat_fs_data],
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[AC_RUN_IFELSE([AC_LANG_SOURCE([[
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#include <sys/types.h>
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#ifdef HAVE_SYS_MOUNT_H
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#include <sys/mount.h>
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#endif
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#ifdef HAVE_SYS_FS_TYPES_H
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#include <sys/fs_types.h>
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#endif
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int
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main ()
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{
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struct fs_data fsd;
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/* Ultrix's statfs returns 1 for success,
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0 for not mounted, -1 for failure. */
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return statfs (".", &fsd) != 1;
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}]])],
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[fu_cv_sys_stat_fs_data=yes],
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[fu_cv_sys_stat_fs_data=no],
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[fu_cv_sys_stat_fs_data=no])
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])
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if test $fu_cv_sys_stat_fs_data = yes; then
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ac_fsusage_space=yes
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AC_DEFINE([STAT_STATFS2_FS_DATA], [1],
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[Define if statfs takes 2 args and the second argument has
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type struct fs_data. (Ultrix)])
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fi
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fi
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AS_IF([test $ac_fsusage_space = yes], [$1], [$2])
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])
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# Check for SunOS statfs brokenness wrt partitions 2GB and larger.
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# If <sys/vfs.h> exists and struct statfs has a member named f_spare,
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# enable the work-around code in fsusage.c.
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AC_DEFUN([gl_STATFS_TRUNCATES],
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[
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AC_CACHE_CHECK([for statfs that truncates block counts],
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[fu_cv_sys_truncating_statfs],
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([[
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#if !defined(sun) && !defined(__sun)
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choke -- this is a workaround for a Sun-specific problem
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#endif
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#include <sys/types.h>
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#include <sys/vfs.h>
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]],
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[[struct statfs t; long c = *(t.f_spare);
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if (c) return 0;
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]])],
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[fu_cv_sys_truncating_statfs=yes],
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[fu_cv_sys_truncating_statfs=no])
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])
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if test $fu_cv_sys_truncating_statfs = yes; then
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AC_DEFINE([STATFS_TRUNCATES_BLOCK_COUNTS], [1],
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[Define if the block counts reported by statfs may be truncated to 2GB
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and the correct values may be stored in the f_spare array.
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(SunOS 4.1.2, 4.1.3, and 4.1.3_U1 are reported to have this problem.
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SunOS 4.1.1 seems not to be affected.)])
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fi
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])
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# Prerequisites of lib/fsusage.c not done by gl_FILE_SYSTEM_USAGE.
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AC_DEFUN([gl_PREREQ_FSUSAGE_EXTRA],
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[
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AC_CHECK_HEADERS([sys/fs/s5param.h sys/statfs.h])
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gl_STATFS_TRUNCATES
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])
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