diff options
Diffstat (limited to 'contrib/puff/puff.c')
| -rw-r--r-- | contrib/puff/puff.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/contrib/puff/puff.c b/contrib/puff/puff.c index 7a8116b..ce0cc40 100644 --- a/contrib/puff/puff.c +++ b/contrib/puff/puff.c @@ -1,8 +1,8 @@ /* * puff.c - * Copyright (C) 2002, 2003 Mark Adler + * Copyright (C) 2002-2004 Mark Adler * For conditions of distribution and use, see copyright notice in puff.h - * version 1.7, 3 Mar 2003 + * version 1.8, 9 Jan 2004 * * puff.c is a simple inflate written to be an unambiguous way to specify the * deflate format. It is not written for speed but rather simplicity. As a @@ -60,6 +60,7 @@ * 1.6 7 Aug 2002 - Minor format changes * 1.7 3 Mar 2003 - Added test code for distribution * - Added zlib-like license + * 1.8 9 Jan 2004 - Added some comments on no distance codes case */ #include <setjmp.h> /* for setjmp(), longjmp(), and jmp_buf */ @@ -577,6 +578,9 @@ local int fixed(struct state *s) * block is fewer bits), but it is allowed by the format. So incomplete * literal/length codes of one symbol should also be permitted. * + * - If there are only literal codes and no lengths, then there are no distance + * codes. This is represented by one distance code with zero bits. + * * - The list of up to 286 length/literal lengths and up to 30 distance lengths * are themselves compressed using Huffman codes and run-length encoding. In * the list of code lengths, a 0 symbol means no code, a 1..15 symbol means |