diff options
Diffstat (limited to 'contrib/netbsd-tests/bin/df/getmntinfo.c')
| -rw-r--r-- | contrib/netbsd-tests/bin/df/getmntinfo.c | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/bin/df/getmntinfo.c b/contrib/netbsd-tests/bin/df/getmntinfo.c new file mode 100644 index 0000000..4ad1f40 --- /dev/null +++ b/contrib/netbsd-tests/bin/df/getmntinfo.c @@ -0,0 +1,218 @@ +/* $NetBSD: getmntinfo.c,v 1.1 2012/03/17 16:33:11 jruoho Exp $ */ +/* + * Copyright (c) 2007 The NetBSD Foundation, Inc. + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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> +#include <sys/mount.h> + +#include <err.h> +#include <stdlib.h> +#include <string.h> + +#define KB * 1024 +#define MB * 1024 KB +#define GB * 1024 MB + +static struct statvfs *getnewstatvfs(void); +static void other_variants(const struct statvfs *, const int *, int, + const int *, int); +static void setup_filer(void); +static void setup_ld0g(void); +static void setup_strpct(void); + +static struct statvfs *allstatvfs; +static int sftotal, sfused; + +struct statvfs * +getnewstatvfs(void) +{ + + if (sftotal == sfused) { + sftotal = sftotal ? sftotal * 2 : 1; + allstatvfs = realloc(allstatvfs, + sftotal * sizeof(struct statvfs)); + if (allstatvfs == NULL) + err(EXIT_FAILURE, "realloc"); + } + + return (&allstatvfs[sfused++]); +} + +void +other_variants(const struct statvfs *tmpl, const int *minfree, int minfreecnt, + const int *consumed, int consumedcnt) +{ + int64_t total, used; + struct statvfs *sf; + int i, j; + + for (i = 0; i < minfreecnt; i++) + for (j = 0; j < consumedcnt; j++) { + sf = getnewstatvfs(); + *sf = *tmpl; + total = (int64_t)(u_long)sf->f_blocks * sf->f_bsize; + used = total * consumed[j] / 100; + sf->f_bfree = (total - used) / sf->f_bsize; + sf->f_bavail = (total * (100 - minfree[i]) / 100 - + used) / (int)sf->f_bsize; + sf->f_bresvd = sf->f_bfree - sf->f_bavail; + } +} + +/* + * Parameter taken from: + * http://mail-index.NetBSD.org/tech-userlevel/2004/03/24/0001.html + */ +void +setup_filer(void) +{ + static const struct statvfs tmpl = { +#define BSIZE 512 +#define TOTAL 1147ULL GB +#define USED 132ULL MB + .f_bsize = BSIZE, + .f_frsize = BSIZE, + .f_blocks = TOTAL / BSIZE, + .f_bfree = (TOTAL - USED) / BSIZE, + .f_bavail = (TOTAL - USED) / BSIZE, + .f_bresvd = 0, + .f_mntfromname = "filer:/", + .f_mntonname = "/filer", +#undef USED +#undef TOTAL +#undef BSIZE + }; + static const int minfree[] = { 0, 5, 10, 15, }; + static const int consumed[] = { 0, 20, 60, 95, 100 }; + + *getnewstatvfs() = tmpl; + other_variants(&tmpl, minfree, sizeof(minfree) / sizeof(minfree[0]), + consumed, sizeof(consumed) / sizeof(consumed[0])); +} + +/* + * Parameter taken from: + * http://mail-index.NetBSD.org/current-users/2004/03/01/0038.html + */ +void +setup_ld0g(void) +{ + static const struct statvfs tmpl = { +#define BSIZE 4096 /* Guess */ +#define TOTAL 1308726116ULL KB +#define USED 17901268ULL KB +#define AVAIL 1225388540ULL KB + .f_bsize = BSIZE, + .f_frsize = BSIZE, + .f_blocks = TOTAL / BSIZE, + .f_bfree = (TOTAL - USED) / BSIZE, + .f_bavail = AVAIL / BSIZE, + .f_bresvd = (TOTAL - USED) / BSIZE - AVAIL / BSIZE, + .f_mntfromname = "/dev/ld0g", + .f_mntonname = "/anon-root", +#undef AVAIL +#undef USED +#undef TOTAL +#undef BSIZE + }; + static const int minfree[] = { 0, 5, 10, 15, }; + static const int consumed[] = { 0, 20, 60, 95, 100 }; + + *getnewstatvfs() = tmpl; + other_variants(&tmpl, minfree, sizeof(minfree) / sizeof(minfree[0]), + consumed, sizeof(consumed) / sizeof(consumed[0])); +} + +/* + * Test of strpct() with huge number. + */ +void +setup_strpct(void) +{ + static const struct statvfs tmpl = { +#define BSIZE 4096 /* Guess */ +#define TOTAL 0x4ffffffffULL KB +#define USED (TOTAL / 2) +#define AVAIL (TOTAL / 2) + .f_bsize = BSIZE, + .f_frsize = BSIZE, + .f_blocks = TOTAL / BSIZE, + .f_bfree = (TOTAL - USED) / BSIZE, + .f_bavail = AVAIL / BSIZE, + .f_bresvd = (TOTAL - USED) / BSIZE - AVAIL / BSIZE, + .f_mntfromname = "/dev/strpct", + .f_mntonname = "/strpct", +#undef AVAIL +#undef USED +#undef TOTAL +#undef BSIZE + }; + + *getnewstatvfs() = tmpl; +} + +/* + * Parameter taken from: + * http://www.netbsd.org/cgi-bin/query-pr-single.pl?number=23600 + */ +static void +setup_pr23600(void) +{ + static const struct statvfs tmpl = { +#define BSIZE 512 +#define TOTAL 20971376ULL +#define USED 5719864ULL +#define AVAIL 15251512ULL + .f_bsize = BSIZE, + .f_frsize = BSIZE, + .f_blocks = TOTAL, + .f_bfree = TOTAL - USED, + .f_bavail = AVAIL, + .f_bresvd = TOTAL - USED - AVAIL, + .f_mntfromname = "/dev/wd0e", + .f_mntonname = "/mount/windows/C", +#undef AVAIL +#undef USED +#undef TOTAL +#undef BSIZE + }; + + *getnewstatvfs() = tmpl; +} + +int +getmntinfo(struct statvfs **mntbuf, int flags) +{ + + setup_filer(); + setup_ld0g(); + setup_strpct(); + setup_pr23600(); + + *mntbuf = allstatvfs; + return (sfused); +} |
