From 174e0be2107db57abca285ab9939d88fa9066b8e Mon Sep 17 00:00:00 2001
From: circulosmeos <roberto.s.galende@gmail.com>
Date: Mon, 26 Aug 2019 17:33:41 +0200
Subject: [PATCH] Patched window start position when restarting an index on a
 gzip stream with gzip's end of block terminators.

---
 gztool.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gztool.c b/gztool.c
index 0192de5..434ee38 100644
--- a/gztool.c
+++ b/gztool.c
@@ -1361,6 +1361,7 @@ local struct returned_output build_index(
                 strm.avail_in -= 8;
                 strm.next_in += 8;
                 printToStderr( VERBOSITY_EXCESSIVE, "END OF GZIP passed @%ld (totout=%ld, ftello=%ld)\n", totin, totout, ftello(in) );
+                totin+=8; // data is discarded from strm input, but it MUST be counted in total input
                 break;
                 // avail_in_0 doesn't need to be decremented as it tries to count raw stream input bytes
             }