diff options
| author | Mika Lindqvist <postmaster@raasu.org> | 2017-03-17 21:36:38 +0200 |
|---|---|---|
| committer | Hans Kristian Rosbach <hk-git@circlestorm.org> | 2017-03-24 21:56:23 +0100 |
| commit | 75e76eebeb08dccea44a1d9933699f7f9a0a97ea (patch) | |
| tree | 629aaa2443c283cfd5cfe3819cef777bb864af5a /deflate_medium.c | |
| parent | 9fdda220c62d5ba8746c2bf6f6c63da27897a90f (diff) | |
deflate_medium: Make sure we have enough lookahead before trying to scan for matches.
* longest_match: Abort if match is in future
Diffstat (limited to 'deflate_medium.c')
| -rw-r--r-- | deflate_medium.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/deflate_medium.c b/deflate_medium.c index 972f5a8..2a12d4b 100644 --- a/deflate_medium.c +++ b/deflate_medium.c @@ -264,7 +264,7 @@ block_state deflate_medium(deflate_state *s, int flush) { insert_match(s, current_match); /* now, look ahead one */ - if (s->lookahead > MIN_LOOKAHEAD) { + if (s->lookahead > MIN_LOOKAHEAD && (current_match.strstart + current_match.match_length) < (s->window_size - MIN_LOOKAHEAD)) { s->strstart = current_match.strstart + current_match.match_length; hash_head = insert_string(s, s->strstart, 1); |