X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=trees.c;h=3896cf5541682ea7aee6514c6c5cc182aeff8fb2;hb=cb6480b325ebe23e757e524e5fe3cde83ef4df5f;hp=05a1138da6608bec6ef3fd0d3043cef3ad196ea7;hpb=302189d124ed5849c2589ea92e912eb24fdc4ab3;p=debian%2Fgzip diff --git a/trees.c b/trees.c index 05a1138..3896cf5 100644 --- a/trees.c +++ b/trees.c @@ -1,8 +1,21 @@ /* trees.c -- output deflated data using Huffman coding - * Copyright (C) 1992-1993 Jean-loup Gailly - * This is free software; you can redistribute it and/or modify it under the - * terms of the GNU General Public License, see the file COPYING. - */ + + Copyright (C) 1997-1999, 2009-2010 Free Software Foundation, Inc. + Copyright (C) 1992-1993 Jean-loup Gailly + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ /* * PURPOSE @@ -59,10 +72,6 @@ #include "tailor.h" #include "gzip.h" -#ifdef RCSID -static char rcsid[] = "$Id: trees.c,v 0.12 1993/06/10 13:27:54 jloup Exp $"; -#endif - /* =========================================================================== * Constants */ @@ -342,7 +351,7 @@ void ct_init(attr, methodp) file_type = attr; file_method = methodp; compressed_len = input_len = 0L; - + if (static_dtree[0].Len != 0) return; /* ct_init already called */ /* Initialize the mapping length (0..255) -> length code (0..28) */ @@ -896,7 +905,8 @@ off_t flush_block(buf, stored_len, eof) if (stored_len <= opt_lenb && eof && compressed_len == 0L && seekable()) { #endif /* Since LIT_BUFSIZE <= 2*WSIZE, the input data must be there: */ - if (buf == (char*)0) error ("block vanished"); + if (!buf) + gzip_error ("block vanished"); copy_block(buf, (unsigned)stored_len, 0); /* without header */ compressed_len = stored_len << 3;