X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2Flib%2Fsyslfs.t;h=2bdb69d7e01ce9cd4291a68951a04f66de6d1fdd;hb=569bd3158af2276a406770e3d68e76b7da59b730;hp=cd82dfb5306d478ce0ff83b2559e7dc04da108e7;hpb=326fd4b6c63d624f86be55b75291c6fa7368b680;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/t/lib/syslfs.t b/t/lib/syslfs.t
index cd82dfb..2bdb69d 100644
--- a/t/lib/syslfs.t
+++ b/t/lib/syslfs.t
@@ -15,6 +15,7 @@ BEGIN {
 }
 
 use strict;
+
 our @s;
 our $fail;
 
@@ -173,18 +174,25 @@ sub offset ($$) {
     my $offset_is = eval $offset_will_be;
     unless ($offset_is == $offset_want) {
         print "# bad offset $offset_is, want $offset_want\n";
+	my ($offset_func) = ($offset_will_be =~ /^(\w+)/);
 	if (unpack("L", pack("L", $offset_want)) == $offset_is) {
-	    my $offset_func = ($offset_will_be =~ /^(\w+)/);
 	    print "# 32-bit wraparound suspected in $offset_func() since\n";
-	    print "# $offset_want cast into 32 bits is $offset_is.\n";
-	}
+	    print "# $offset_want cast into 32 bits equals $offset_is.\n";
+	} elsif ($offset_want - unpack("L", pack("L", $offset_want)) - 1
+	         == $offset_is) {
+	    print "# 32-bit wraparound suspected in $offset_func() since\n";
+	    printf "# %s - unpack('L', pack('L', %s)) - 1 equals %s.\n",
+	        $offset_want,
+	        $offset_want,
+	        $offset_is;
+        }
         fail;
     }
 }
 
 print "1..17\n";
 
-my $fail = 0;
+$fail = 0;
 
 fail unless $s[7] == 5_000_000_003;	# exercizes pp_stat
 print "ok 1\n";