From ce650acf1fc32a20db50a996ecc3008f47b02188 Mon Sep 17 00:00:00 2001
From: Werner Koch <wk@gnupg.org>
Date: Tue, 19 Jan 1999 18:37:41 +0000
Subject: See ChangeLog: Tue Jan 19 19:34:58 CET 1999  Werner Koch

---
 g10/compress.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'g10/compress.c')

diff --git a/g10/compress.c b/g10/compress.c
index 5aad678d6..accca02cc 100644
--- a/g10/compress.c
+++ b/g10/compress.c
@@ -146,8 +146,14 @@ do_uncompress( compress_filter_context_t *zfx, z_stream *zs,
 	    if( !n )
 		zs->next_in = zfx->inbuf;
 	    for( p=zfx->inbuf+n; n < zfx->inbufsize; n++, p++ ) {
-		if( (c=iobuf_get(a)) == -1 )
-		    break;
+		if( (c=iobuf_get(a)) == -1 ) {
+		    /* If we use the undocumented feature to suppress
+		     * the zlib header, we have to give inflate an
+		     * extra dummy byte to read */
+		    if( zfx->algo != 1 || zfx->algo1hack )
+			break;
+		    zfx->algo1hack = 1;
+		}
 		*p = c & 0xff;
 	    }
 	    zs->avail_in = n;
-- 
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