// bit length count table
// bit offsets, then code stack
internal static int inflate_trees_fixed(int[] bl, int[] bd, int[][] tl, int[][] td, ZlibCodec z)
{
bl[0] = InfTree.fixed_bl;
bd[0] = InfTree.fixed_bd;
tl[0] = InfTree.fixed_tl;
td[0] = InfTree.fixed_td;
return(InfTree.Z_OK);
}
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
this.initWorkArea(288);
this.hn[0] = 0;
result = this.huft_build(c, 0, nl, 257, InfTree.cplens, InfTree.cplext, tl, bl, hp, this.hn, this.v);
if (result != InfTree.Z_OK || bl[0] == 0)
{
if (result == InfTree.Z_DATA_ERROR)
{
z.Message = "oversubscribed literal/length tree";
}
else if (result != InfTree.Z_MEM_ERROR)
{
z.Message = "incomplete literal/length tree";
result = InfTree.Z_DATA_ERROR;
}
return(result);
}
// build distance tree
this.initWorkArea(288);
result = this.huft_build(c, nl, nd, 0, InfTree.cpdist, InfTree.cpdext, td, bd, hp, this.hn, this.v);
if (result != InfTree.Z_OK || bd[0] == 0 && nl > 257)
{
if (result == InfTree.Z_DATA_ERROR)
{
z.Message = "oversubscribed distance tree";
}
else if (result == InfTree.Z_BUF_ERROR)
{
z.Message = "incomplete distance tree";
result = InfTree.Z_DATA_ERROR;
}
else if (result != InfTree.Z_MEM_ERROR)
{
z.Message = "empty distance tree with lengths";
result = InfTree.Z_DATA_ERROR;
}
return(result);
}
return(InfTree.Z_OK);
}