- check data are really writen

1 files changed, 5 insertions, 1 deletions

diff --git a/Packdrakeng/zlib.pm b/Packdrakeng/zlib.pm
index d975060..6d33d3e 100644
--- a/Packdrakeng/zlib.pm
+++ b/Packdrakeng/zlib.pm
@@ -59,7 +59,11 @@ sub gzip_compress {
     while (my $lenght = sysread($sourcefh, my $buf, $pack->{bufsize})) {
         $pack->{cstream_data}{crc} = crc32($buf, $pack->{cstream_data}{crc});
         my ($cbuf, $status) = $pack->{cstream_data}{object}->deflate($buf);
-        $outsize += syswrite($pack->{handle}, $cbuf);
+        my $wres = syswrite($pack->{handle}, $cbuf) == length($cbuf) or do {
+            warn "can't push all data to compressor";
+            return 0, 0;
+        };
+        $outsize += $wres;
         $insize += $lenght;
     }