[src/trunk]: src/regress/bin/df Add some test case for recently found bugs.

[enami <enami%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/008aa2427aeb
branches:  trunk
changeset: 559939:008aa2427aeb
user:      enami <enami%NetBSD.org@localhost>
date:      Fri Mar 26 14:53:39 2004 +0000

description:
Add some test case for recently found bugs.

diffstat:

 regress/bin/df/Makefile     |   14 ++++
 regress/bin/df/getmntinfo.c |  132 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 146 insertions(+), 0 deletions(-)

diffs (154 lines):

diff -r 51f5fe4c478a -r 008aa2427aeb regress/bin/df/Makefile
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/regress/bin/df/Makefile   Fri Mar 26 14:53:39 2004 +0000
@@ -0,0 +1,14 @@
+#      $NetBSD: Makefile,v 1.1 2004/03/26 14:53:39 enami Exp $
+
+NOMAN=         # defined
+
+.include <bsd.own.mk>
+
+PROG=  df
+.PATH:  ${NETBSDSRCDIR}/bin/df
+.PATH:  ${NETBSDSRCDIR}/bin/csh
+SRCS=  df.c strpct.c getmntinfo.c
+
+regress:
+
+.include <bsd.prog.mk>
diff -r 51f5fe4c478a -r 008aa2427aeb regress/bin/df/getmntinfo.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/regress/bin/df/getmntinfo.c       Fri Mar 26 14:53:39 2004 +0000
@@ -0,0 +1,132 @@
+/*     $NetBSD: getmntinfo.c,v 1.1 2004/03/26 14:53:39 enami Exp $     */
+
+#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 statfs *getnewstatfs(void);
+static void other_variants(const struct statfs *, const int *, int,
+    const int *, int);
+static void setup_filer(void);
+static void setup_ld0g(void);
+
+static struct statfs *allstatfs;
+static int sftotal, sfused;
+
+struct statfs *
+getnewstatfs(void)
+{
+
+       if (sftotal == sfused) {
+               sftotal = sftotal ? sftotal * 2 : 1;
+               allstatfs = realloc(allstatfs,
+                   sftotal * sizeof(struct statfs));
+               if (allstatfs == NULL)
+                       err(EXIT_FAILURE, "realloc");
+       }
+
+       return (&allstatfs[sfused++]);
+}
+
+void
+other_variants(const struct statfs *tmpl, const int *minfree, int minfreecnt,
+    const int *consumed, int consumedcnt)
+{
+       int64_t total, used;
+       struct statfs *sf;
+       int i, j;
+
+       for (i = 0; i < minfreecnt; i++)
+               for (j = 0; j < consumedcnt; j++) {
+                       sf = getnewstatfs();
+                       *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) / sf->f_bsize;
+               }
+}
+
+/*
+ * Parameter taken from:
+ * http://mail-index.NetBSD.org/tech-userlevel/2004/03/24/0001.html
+ */
+void
+setup_filer(void)
+{
+       static const struct statfs tmpl = {
+#define        BSIZE   512
+#define        TOTAL   1147ULL GB
+#define        USED    132ULL MB
+               .f_bsize = BSIZE,
+               .f_blocks = TOTAL / BSIZE,
+               .f_bfree = (TOTAL - USED) / BSIZE,
+               .f_bavail = (TOTAL - USED) / BSIZE,
+               .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 };
+       struct statfs *sf;
+
+       sf = getnewstatfs();
+       *sf = 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 statfs tmpl = {
+#define        BSIZE   4096                    /* Guess */
+#define        TOTAL   1308726116ULL KB
+#define        USED    17901268ULL KB
+#define        AVAIL   1225388540ULL KB
+               .f_bsize = BSIZE,
+               .f_blocks = TOTAL / BSIZE,
+               .f_bfree = (TOTAL - USED) / BSIZE,
+               .f_bavail = 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 };
+       struct statfs *sf;
+
+       sf = getnewstatfs();
+       *sf = tmpl;
+       other_variants(&tmpl, minfree, sizeof(minfree) / sizeof(minfree[0]),
+           consumed, sizeof(consumed) / sizeof(consumed[0]));
+}
+
+int
+getmntinfo(struct statfs **mntbuf, int flags)
+{
+
+       setup_filer();
+       setup_ld0g();
+
+       *mntbuf = allstatfs;
+       return (sfused);
+}