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* sysdeps/unix/sysv/linux/fstatvfs.c: Move actual code in... * sysdeps/unix/sysv/linux/internal_statvfs.c: ...here. New file. * sysdeps/unix/sysv/linux/statvfs.c: Don't use fstatvfs since the open call would require read permission. Patch by James Antill <james@and.org>. * sysdeps/unix/sysv/linux/Dist: Add internal_fnmatch.c. * inet/getnameinfo.c: Terminate host name for NI_NOFQDN. PR1515. Patches by Hideaki YOSHIFUJI <yoshfuji@ecei.tohoku.ac.jp>.
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Ulrich Drepper
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Jan 18, 2000
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| /* Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc. | ||
| This file is part of the GNU C Library. | ||
| Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. | ||
| The GNU C Library is free software; you can redistribute it and/or | ||
| modify it under the terms of the GNU Library General Public License as | ||
| published by the Free Software Foundation; either version 2 of the | ||
| License, or (at your option) any later version. | ||
| The GNU C Library 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 | ||
| Library General Public License for more details. | ||
| You should have received a copy of the GNU Library General Public | ||
| License along with the GNU C Library; see the file COPYING.LIB. If not, | ||
| write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | ||
| Boston, MA 02111-1307, USA. */ | ||
|
|
||
| /* Now fill in the fields we have information for. */ | ||
| buf->f_bsize = fsbuf.f_bsize; | ||
| /* Linux does not support f_frsize, so set it to the full block size. */ | ||
| buf->f_frsize = fsbuf.f_bsize; | ||
| buf->f_blocks = fsbuf.f_blocks; | ||
| buf->f_bfree = fsbuf.f_bfree; | ||
| buf->f_bavail = fsbuf.f_bavail; | ||
| buf->f_files = fsbuf.f_files; | ||
| buf->f_ffree = fsbuf.f_ffree; | ||
| buf->f_fsid = fsbuf.f_fsid; | ||
| buf->f_namemax = fsbuf.f_namelen; | ||
| memset (buf->f_spare, '\0', 6 * sizeof (int)); | ||
|
|
||
| /* What remains to do is to fill the fields f_favail and f_flag. */ | ||
|
|
||
| /* XXX I have no idea how to compute f_favail. Any idea??? */ | ||
| buf->f_favail = buf->f_ffree; | ||
|
|
||
| /* Determining the flags is tricky. We have to read /proc/mounts or | ||
| the /etc/mtab file and search for the entry which matches the given | ||
| file. The way we can test for matching filesystem is using the | ||
| device number. */ | ||
| buf->f_flag = 0; | ||
| if (fstat (fd, &st) >= 0) | ||
| { | ||
| int save_errno = errno; | ||
| struct mntent mntbuf; | ||
| FILE *mtab; | ||
|
|
||
| mtab = __setmntent ("/proc/mounts", "r"); | ||
| if (mtab == NULL) | ||
| mtab = __setmntent (_PATH_MOUNTED, "r"); | ||
|
|
||
| if (mtab != NULL) | ||
| { | ||
| char tmpbuf[1024]; | ||
|
|
||
| while (__getmntent_r (mtab, &mntbuf, tmpbuf, sizeof (tmpbuf))) | ||
| { | ||
| struct stat fsst; | ||
|
|
||
| /* Find out about the device the current entry is for. */ | ||
| if (stat (mntbuf.mnt_dir, &fsst) >= 0 | ||
| && st.st_dev == fsst.st_dev) | ||
| { | ||
| /* Bingo, we found the entry for the device FD is on. | ||
| Now interpret the option string. */ | ||
| char *cp = mntbuf.mnt_opts; | ||
| char *opt; | ||
|
|
||
| while ((opt = strsep (&cp, ",")) != NULL) | ||
| if (strcmp (opt, "ro") == 0) | ||
| buf->f_flag |= ST_RDONLY; | ||
| else if (strcmp (opt, "nosuid") == 0) | ||
| buf->f_flag |= ST_NOSUID; | ||
| else if (strcmp (opt, "noexec") == 0) | ||
| buf->f_flag |= ST_NOEXEC; | ||
| else if (strcmp (opt, "nodev") == 0) | ||
| buf->f_flag |= ST_NODEV; | ||
| else if (strcmp (opt, "sync") == 0) | ||
| buf->f_flag |= ST_SYNCHRONOUS; | ||
| else if (strcmp (opt, "mand") == 0) | ||
| buf->f_flag |= ST_MANDLOCK; | ||
| else if (strcmp (opt, "noatime") == 0) | ||
| buf->f_flag |= ST_NOATIME; | ||
| else if (strcmp (opt, "nodiratime") == 0) | ||
| buf->f_flag |= ST_NODIRATIME; | ||
|
|
||
| /* We can stop looking for more entries. */ | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| /* Close the file. */ | ||
| __endmntent (mtab); | ||
| } | ||
|
|
||
| __set_errno (save_errno); | ||
| } |
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