t: handle EOF in test_copy_bytes()
The test_copy_bytes() function claims to read up to N bytes,
or until it gets EOF. But we never handle EOF in our loop,
and a short input will cause perl to go into an infinite
loop of read() getting zero bytes.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh
index db622c3..50a9a1d 100644
--- a/t/test-lib-functions.sh
+++ b/t/test-lib-functions.sh
@@ -999,6 +999,7 @@
my $s;
my $nread = sysread(STDIN, $s, $len);
die "cannot read: $!" unless defined($nread);
+ last unless $nread;
print $s;
$len -= $nread;
}
