diff options
Diffstat (limited to 'lib/libc/gen/getmntinfo-compat11.c')
-rw-r--r-- | lib/libc/gen/getmntinfo-compat11.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/lib/libc/gen/getmntinfo-compat11.c b/lib/libc/gen/getmntinfo-compat11.c new file mode 100644 index 000000000000..d5c308b387a0 --- /dev/null +++ b/lib/libc/gen/getmntinfo-compat11.c @@ -0,0 +1,66 @@ +/* + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/param.h> +#include <sys/ucred.h> +#define _WANT_FREEBSD11_STATFS +#include <sys/mount.h> +#include <stdlib.h> +#include "gen-compat.h" + +/* + * Return information about mounted filesystems. + */ +int +freebsd11_getmntinfo(struct freebsd11_statfs **mntbufp, int flags) +{ + static struct freebsd11_statfs *mntbuf; + static int mntsize; + static long bufsize; + + if (mntsize <= 0 && + (mntsize = freebsd11_getfsstat(0, 0, MNT_NOWAIT)) < 0) + return (0); + if (bufsize > 0 && + (mntsize = freebsd11_getfsstat(mntbuf, bufsize, flags)) < 0) + return (0); + while (bufsize <= mntsize * sizeof(struct freebsd11_statfs)) { + if (mntbuf) + free(mntbuf); + bufsize = (mntsize + 1) * sizeof(struct freebsd11_statfs); + if ((mntbuf = (struct freebsd11_statfs *)malloc(bufsize)) == 0) + return (0); + if ((mntsize = freebsd11_getfsstat(mntbuf, bufsize, flags)) < 0) + return (0); + } + *mntbufp = mntbuf; + return (mntsize); +} + +__sym_compat(getmntinfo, freebsd11_getmntinfo, FBSD_1.0); |