예제 #1
0
 internal static int inflate_trees_fixed(int[] bl, int[] bd, int[][] tl, int[][] td, ZlibCodec z)
 {
     bl[0] = fixed_bl;
     bd[0] = fixed_bd;
     tl[0] = fixed_tl;
     td[0] = fixed_td;
     return(Z_OK);
 }
예제 #2
0
        internal int inflate_trees_dynamic(int nl, int nd, int[] c, int[] bl, int[] bd, int[] tl, int[] td, int[] hp, ZlibCodec z)
        {
            int result;

            // build literal/length tree
            initWorkArea(288);
            hn[0]  = 0;
            result = huft_build(c, 0, nl, 257, cplens, cplext, tl, bl, hp, hn, v);
            if (result != Z_OK || bl[0] == 0)
            {
                if (result == Z_DATA_ERROR)
                {
                    z.Message = "oversubscribed literal/length tree";
                }
                else if (result != Z_MEM_ERROR)
                {
                    z.Message = "incomplete literal/length tree";
                    result    = Z_DATA_ERROR;
                }
                return(result);
            }

            // build distance tree
            initWorkArea(288);
            result = huft_build(c, nl, nd, 0, cpdist, cpdext, td, bd, hp, hn, v);

            if (result != Z_OK || (bd[0] == 0 && nl > 257))
            {
                if (result == Z_DATA_ERROR)
                {
                    z.Message = "oversubscribed distance tree";
                }
                else if (result == Z_BUF_ERROR)
                {
                    z.Message = "incomplete distance tree";
                    result    = Z_DATA_ERROR;
                }
                else if (result != Z_MEM_ERROR)
                {
                    z.Message = "empty distance tree with lengths";
                    result    = Z_DATA_ERROR;
                }
                return(result);
            }

            return(Z_OK);
        }