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Move actual code in internal_statvfs.c.

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Ulrich Drepper 2000-01-18 10:05:27 +00:00
parent 1789b55e51
commit ae2acc75ba
1 changed files with 3 additions and 81 deletions
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84
sysdeps/unix/sysv/linux/fstatvfs.c
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@ -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;
}