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authorUlrich Drepper <drepper@redhat.com>2000-01-18 10:17:32 +0000
committerUlrich Drepper <drepper@redhat.com>2000-01-18 10:17:32 +0000
commit6e9b72d3abab3236a2e079587ad5c5653d96e7bd (patch)
tree70a7240d7d3cb1ba0e16709dac8b154a879c975c /sysdeps/unix
parent3a47453d294550539dd26da02dfcecd5e09a4f0a (diff)
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Update.
* 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>.
Diffstat (limited to 'sysdeps/unix')
-rw-r--r--sysdeps/unix/sysv/linux/Dist1
-rw-r--r--sysdeps/unix/sysv/linux/fstatvfs.c84
-rw-r--r--sysdeps/unix/sysv/linux/internal_statvfs.c98
-rw-r--r--sysdeps/unix/sysv/linux/statvfs.c24
4 files changed, 111 insertions, 96 deletions
diff --git a/sysdeps/unix/sysv/linux/Dist b/sysdeps/unix/sysv/linux/Dist
index b4d8a7565c..c71292044e 100644
--- a/sysdeps/unix/sysv/linux/Dist
+++ b/sysdeps/unix/sysv/linux/Dist
@@ -8,6 +8,7 @@ kernel-features.h
kernel_sigaction.h
kernel_stat.h
kernel_termios.h
+internal_statvfs.c
ldd-rewrite.sed
lddlibc4.c
linux_fsinfo.h
diff --git a/sysdeps/unix/sysv/linux/fstatvfs.c b/sysdeps/unix/sysv/linux/fstatvfs.c
index ea142860d9..dbc4c552a5 100644
--- a/sysdeps/unix/sysv/linux/fstatvfs.c
+++ b/sysdeps/unix/sysv/linux/fstatvfs.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 1999 Free Software Foundation, Inc.
+/* 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.
@@ -37,86 +37,8 @@ fstatvfs (int fd, struct statvfs *buf)
if (__fstatfs (fd, &fsbuf) < 0)
return -1;
- /* 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);
- }
-
+#include "internal_statvfs.c"
+
/* We signal success if the statfs call succeeded. */
return 0;
}
diff --git a/sysdeps/unix/sysv/linux/internal_statvfs.c b/sysdeps/unix/sysv/linux/internal_statvfs.c
new file mode 100644
index 0000000000..24765dcf5e
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/internal_statvfs.c
@@ -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);
+ }
diff --git a/sysdeps/unix/sysv/linux/statvfs.c b/sysdeps/unix/sysv/linux/statvfs.c
index 74c4985fe1..9bbe6c2f99 100644
--- a/sysdeps/unix/sysv/linux/statvfs.c
+++ b/sysdeps/unix/sysv/linux/statvfs.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
@@ -26,21 +26,15 @@
int
statvfs (const char *file, struct statvfs *buf)
{
- int save_errno;
- int retval;
- int fd;
+ struct statfs fsbuf;
+ struct stat st;
- fd = __open (file, O_RDONLY);
- if (fd < 0)
+ /* Get as much information as possible from the system. */
+ if (__statfs (fd, &fsbuf) < 0)
return -1;
- /* Let fstatvfs do the real work. */
- retval = fstatvfs (fd, buf);
-
- /* Close the file while preserving the error number. */
- save_errno = errno;
- __close (fd);
- __set_errno (save_errno);
-
- return retval;
+#include "internal_statvfs.c"
+
+ /* We signal success if the statfs call succeeded. */
+ return 0;
}