From 467061a2014d742a27eb8d4498e8d09fb3225d53 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Sun, 1 Oct 2017 20:35:53 -0700 Subject: [PATCH] fsusage: remove SVR2 support MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit SVR2 was obsolete by 1986 and is no longer supported by anybody, and its code was getting in the way of use of this module by Emacs, which has its own ‘read’ function anyway. * lib/fsusage.c: Do not include sys/filsys.h. (get_fs_usage): Remove SVR2-specific code. * m4/fsusage.m4 (gl_FILE_SYSTEM_USAGE): Do not test for sys/filsys.h or set STAT_READ_FILSYS. * modules/fsusage (Depends-on): Do not depend on full-read. --- ChangeLog | 10 ++++++++++ lib/fsusage.c | 38 -------------------------------------- m4/fsusage.m4 | 15 ++------------- modules/fsusage | 1 - 4 files changed, 12 insertions(+), 52 deletions(-) diff --git a/ChangeLog b/ChangeLog index 454a87733e..23d1b64a48 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,15 @@ 2017-10-01 Paul Eggert + fsusage: remove SVR2 support + SVR2 was obsolete by 1986 and is no longer supported by anybody, + and its code was getting in the way of use of this module by + Emacs, which has its own ‘read’ function anyway. + * lib/fsusage.c: Do not include sys/filsys.h. + (get_fs_usage): Remove SVR2-specific code. + * m4/fsusage.m4 (gl_FILE_SYSTEM_USAGE): + Do not test for sys/filsys.h or set STAT_READ_FILSYS. + * modules/fsusage (Depends-on): Do not depend on full-read. + Simplify autoupdate of licenses * config/srclistvars.sh (GNUWWWLICENSES): Move to a more-typical place. diff --git a/lib/fsusage.c b/lib/fsusage.c index 4513367f85..a0f763be05 100644 --- a/lib/fsusage.c +++ b/lib/fsusage.c @@ -43,9 +43,6 @@ # if HAVE_SYS_FS_S5PARAM_H /* Fujitsu UXP/V */ # include # endif -# if defined HAVE_SYS_FILSYS_H && !defined _CRAY -# include /* SVR2 */ -# endif # if HAVE_SYS_STATFS_H # include # endif @@ -170,41 +167,6 @@ get_fs_usage (char const *file, char const *disk, struct fs_usage *fsp) fsp->fsu_files = PROPAGATE_ALL_ONES (fsd.fd_req.gtot); fsp->fsu_ffree = PROPAGATE_ALL_ONES (fsd.fd_req.gfree); -#elif defined 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); - #elif defined STAT_STATFS3_OSF1 /* OSF/1 */ struct statfs fsd; diff --git a/m4/fsusage.m4 b/m4/fsusage.m4 index 526723ab6f..1d6ad41cd3 100644 --- a/m4/fsusage.m4 +++ b/m4/fsusage.m4 @@ -1,4 +1,4 @@ -# serial 31 +# serial 32 # Obtaining file system usage information. # Copyright (C) 1997-1998, 2000-2001, 2003-2017 Free Software Foundation, Inc. @@ -295,17 +295,6 @@ if test $ac_fsusage_space = no; then fi fi -if test $ac_fsusage_space = no; then - # SVR2 - # (AIX, HP-UX, OSF/1 already handled above.) - AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include - ]])], - [AC_DEFINE([STAT_READ_FILSYS], [1], - [Define if there is no specific function for reading file systems usage - information and you have the header file. (SVR2)]) - ac_fsusage_space=yes]) -fi - AS_IF([test $ac_fsusage_space = yes], [$1], [$2]) ]) @@ -342,6 +331,6 @@ choke -- this is a workaround for a Sun-specific problem # Prerequisites of lib/fsusage.c not done by gl_FILE_SYSTEM_USAGE. AC_DEFUN([gl_PREREQ_FSUSAGE_EXTRA], [ - AC_CHECK_HEADERS([dustat.h sys/fs/s5param.h sys/filsys.h sys/statfs.h]) + AC_CHECK_HEADERS([dustat.h sys/fs/s5param.h sys/statfs.h]) gl_STATFS_TRUNCATES ]) diff --git a/modules/fsusage b/modules/fsusage index b447525460..ba85196167 100644 --- a/modules/fsusage +++ b/modules/fsusage @@ -10,7 +10,6 @@ Depends-on: largefile stdbool stdint -full-read [test $gl_cv_fs_space = yes] configure.ac: gl_FSUSAGE -- 2.39.5