1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78
|
/* Return list of mounted filesystems. FreeBSD version.
Copyright (C) 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Bruno Haible <bruno@clisp.org>, 2002.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sys/mount.h>
#include <stdlib.h>
#include <errno.h>
static int mntbufsize;
static struct statfs64 *mntbuf;
/* Return list of mounted filesystems.
Inherently not multithread-safe. */
int
getmntinfo64 (struct statfs64 **mntbufp, int flags)
{
for (;;)
{
int count = __getfsstat64 (NULL, 0, flags);
int count2;
if (count < 0)
return 0;
if (count == 0)
{
__set_errno (0);
return 0;
}
if (count > mntbufsize)
{
if (mntbuf != NULL)
free (mntbuf);
mntbufsize = 0;
mntbuf = (struct statfs64 *) malloc (count * sizeof (struct statfs64));
if (mntbuf == NULL)
{
__set_errno (ENOMEM);
return 0;
}
mntbufsize = count;
}
count2 = __getfsstat64 (mntbuf, count * sizeof (struct statfs64), flags);
if (count2 < 0)
return 0;
if (count2 == 0)
{
__set_errno (0);
return 0;
}
if (count2 <= count)
{
*mntbufp = mntbuf;
return count2;
}
}
}
|