#!/usr/bin/perl
use test::helper qw($_real $_point);
use Test::More;
-require 'syscall.ph'; # for SYS_statfs
-plan tests => 7;
-my ($statfs_data) = 0x00 x 8 x 16;
+use Config;
+eval {
+ require 'sys/syscall.ph'; # for SYS_statfs
+} or plan skip_all => 'No syscall.ph';
+
+# Maybe not the best way to do this... but it works. Only extract the values
+# we care about, so we don't have to worry about changing field ordering
+# around and other such nastiness.
+my $packmask;
+if ($^O eq 'linux') {
+ $packmask = 'x[L!]L![6]x[L]x[L]L';
+}
+elsif ($^O eq 'freebsd') {
+ $packmask = 'x[16]Qx[8]Q[2]qQqx[112]Lx[4]';
+}
+elsif ($^O eq 'netbsd') {
+ if ($Config{'use64bitint'}) {
+ # This should work for any 64-bit NetBSD...
+ $packmask = 'x[8]Lx![q]x[16]Q[3]x[8]Q[2]x[64]L';
+ }
+ else {
+ # NetBSD's perl on 32-bit doesn't handle quadword types, and
+ # this is my workaround. Ugly, but it does the job. And yes,
+ # won't work for big values. Good thing we're not testing
+ # with any, huh?
+ if ($Config{'byteorder'} eq '1234') { # little endian
+ $packmask = 'x[4]Lx[8]Lx[4]Lx[4]Lx[4]x[8]Lx[4]Lx[4]x[64]L';
+ }
+ elsif ($Config{'byteorder'} eq '4321') { # big endian
+ $packmask = 'x[4]Lx[8]x[4]Lx[4]Lx[4]Lx[8]x[4]Lx[4]Lx[64]L';
+ }
+ else {
+ plan skip_all => "Word ordering not known, don't know how to handle statvfs1()";
+ exit(1);
+ }
+ }
+}
+elsif ($^O eq 'darwin') {
+ # Accurate for OS X 10.6; 10.5 and earlier may not actually correspond
+ # to this, if my understanding of statfs(2) on OS X is fair.
+ $packmask = 'x[L!]L!x[L!]L![5]';
+} else {
+ plan skip_all => 'Platform not known, need to know how to statfs';
+ exit(1);
+}
+
+if ($^O eq 'netbsd' || $^O eq 'darwin') {
+ # Ignoring the f_namelen field; no such animal on OS X statfs(), and
+ # NetBSD's statvfs1(2) syscall doesn't seem to handle f_namelen right
+ # for PUFFS-based filesystems. Not our failure, and mostly irrelevant.
+ plan tests => 6;
+}
+else {
+ plan tests => 7;
+}
+# Just make the buffer large enough that we don't have to care...
+my ($statfs_data) = "\0" x 4096;
my ($tmp) = $_point;
-ok(!syscall(&SYS_statfs,$tmp,$statfs_data),"statfs");
-# FIXME: this is soooooo linux-centric. perhaps parse the output of /bin/df?
-my @list = unpack("L!7L2L!7",$statfs_data);
+if ($^O eq 'netbsd') {
+ # NetBSD doesn't have statfs(2); statvfs1(2) is its closest analogue.
+ ok(!syscall(&SYS_statvfs1,$tmp,$statfs_data,1),'statvfs1');
+}
+else {
+ ok(!syscall(&SYS_statfs,$tmp,$statfs_data),'statfs');
+}
+my @list = unpack($packmask,$statfs_data);
diag "statfs: ",join(', ', @list);
+is(shift(@list),4096,'block size');
+is(shift(@list),1000000,'blocks');
+is(shift(@list),500000,'blocks free');
shift(@list);
-is(shift(@list),4096,"block size");
-is(shift(@list),1000000,"blocks");
-is(shift(@list),500000,"blocks free");
-shift(@list);
-is(shift(@list),1000000,"files");
-is(shift(@list),500000,"files free");
-shift(@list);
-shift(@list);
-is(shift(@list),255,"namelen");
+is(shift(@list),1000000,'files');
+is(shift(@list),500000,'files free');
+unless ($^O eq 'netbsd' || $^O eq 'darwin') {
+ is(shift(@list),255,'namelen');
+}