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/* zlib.vala
*
* Copyright (C) 2006-2009 Raffaele Sandrini, Jürg Billeter, Evan Nemerson
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author:
* Raffaele Sandrini <raffaele@sandrini.ch>
* Jürg Billeter <j@bitron.ch>
* Evan Nemerson <evan@polussystems.com>
* Jörn Magens <joernmagens@gmx.de>
*/
[CCode (lower_case_cprefix = "", cheader_filename = "zlib.h")]
namespace ZLib {
[CCode (cname="int", cprefix="Z_", has_type_id = false)]
public enum Flush {
NO_FLUSH,
SYNC_FLUSH,
FULL_FLUSH,
FINISH,
BLOCK
}
[CCode (cname="int", cprefix="Z_", has_type_id = false)]
public enum Status {
OK,
STREAM_END,
NEED_DICT,
ERRNO,
STREAM_ERROR,
DATA_ERROR,
MEM_ERROR,
BUF_ERROR,
VERSION_ERROR
}
[CCode (cname="int", cprefix="Z_", has_type_id = false)]
public enum Level {
NO_COMPRESSION,
BEST_SPEED,
BEST_COMPRESSION,
DEFAULT_COMPRESSION
}
[CCode (cname="int", cprefix="Z_", has_type_id = false)]
public enum Strategy {
DEFAULT_STRATEGY,
FILTERED,
HUFFMAN_ONLY,
RLE,
FIXED
}
[CCode (cname="int", cprefix="Z_", has_type_id = false)]
public enum Data {
BINARY,
ASCII,
UNKNOWN
}
[CCode (cname="int", cprefix="Z_", has_type_id = false)]
public enum Algorithm {
DEFLATED
}
[CCode (cname="int", cprefix="Z_", has_type_id = false)]
public enum Initial {
NULL
}
namespace VERSION {
[CCode (cname = "ZLIB_VERSION")]
public const string STRING;
[CCode (cname = "ZLIB_VERNUM")]
public const int NUMBER;
[CCode (cname = "ZLIB_VER_MAJOR")]
public const int MAJOR;
[CCode (cname = "ZLIB_VER_MINOR")]
public const int MINOR;
[CCode (cname = "ZLIB_VER_REVISION")]
public const int REVISION;
}
[CCode (cname = "z_stream", destroy_function = "deflateEnd", has_type_id = false)]
public struct Stream {
[CCode (array_length_cname = "avail_in", array_length_type = "ulong")]
public unowned uint8[] next_in;
public uint avail_in;
public ulong total_in;
[CCode (array_length_cname = "avail_out", array_length_type = "ulong")]
public unowned uint8[] next_out;
public uint avail_out;
public ulong total_out;
public string? msg;
public int data_type;
public ulong adler;
}
[CCode (cname = "z_stream", destroy_function = "deflateEnd", has_type_id = false)]
public struct DeflateStream : Stream {
[CCode (cname = "deflateInit")]
public DeflateStream (int level = Level.DEFAULT_COMPRESSION);
[CCode (cname = "deflateInit2")]
public DeflateStream.full (int level = Level.DEFAULT_COMPRESSION, int method = Algorithm.DEFLATED, int windowBits = 15, int memLevel = 8, int strategy = Strategy.DEFAULT_STRATEGY);
[CCode (cname = "deflate")]
public int deflate (int flush);
[CCode (cname = "deflateSetDictionary")]
public int set_dictionary ([CCode (array_length_type = "guint")] uint8[] dictionary);
[CCode (cname = "deflateCopy", instance_pos = 0)]
public int copy (DeflateStream dest);
[CCode (cname = "deflateReset")]
public int reset ();
[CCode (cname = "deflateParams")]
public int params (int level, int strategy);
[CCode (cname = "deflateTune")]
public int tune (int good_length, int max_lazy, int nice_length, int max_chain);
[CCode (cname = "deflateBound")]
public ulong bound (ulong sourceLen);
[CCode (cname = "deflatePrime")]
public int prime (int bits, int value);
[CCode (cname = "deflateSetHeader")]
public int set_header (GZHeader head);
}
[CCode (cname = "z_stream", destroy_function = "inflateEnd", has_type_id = false)]
public struct InflateStream : Stream {
[CCode (cname = "inflateInit")]
public InflateStream ();
[CCode (cname = "inflateInit2")]
public InflateStream.full (int windowBits);
[CCode (cname = "inflate")]
public int inflate (int flush);
[CCode (cname = "inflateSetDictionary")]
public int set_dictionary ([CCode (array_length_type = "guint")] uint8[] dictionary);
[CCode (cname = "inflateSync")]
public int sync ();
[CCode (cname = "inflateReset")]
public int reset ();
[CCode (cname = "inflatePrime")]
public int prime (int bits, int value);
[CCode (cname = "inflateGetHeader")]
public int get_header (out GZHeader head);
}
[CCode (lower_case_cprefix = "", cheader_filename = "zlib.h")]
namespace Utility {
[CCode (cname = "compress2")]
public static int compress ([CCode (array_length = false)] uint8[] dest, ref ulong dest_length, [CCode (array_length_type = "gulong")] uint8[] source, int level = Level.DEFAULT_COMPRESSION);
[CCode (cname = "compressBound")]
public static int compress_bound (ulong sourceLen);
public static int uncompress ([CCode (array_length = false)] uint8[] dest, ref ulong dest_length, [CCode (array_length_type = "gulong")] uint8[] source);
public static ulong adler32 (ulong crc = 0UL, [CCode (array_length_type = "guint")] uint8[]? buf = null);
public static ulong crc32 (ulong crc = 0UL, [CCode (array_length_type = "guint")] uint8[]? buf = null);
}
[CCode (cname = "gz_header", has_type_id = false)]
public struct GZHeader {
public int text;
public ulong time;
public int xflags;
public int os;
[CCode (array_length_cname = "extra_len", array_length_type = "guint")]
public unowned uint8[] extra;
public uint extra_max;
public unowned string? name;
public uint name_max;
public unowned string comment;
[CCode (cname = "comm_max")]
public uint comment_max;
public int hcrc;
public int done;
}
[CCode (cname = "struct gzFile_s", cprefix = "gz", free_function = "gzclose")]
[Compact]
public class GZFileStream {
public static GZFileStream open (string path, string mode = "rb");
public static GZFileStream dopen (int fd, string mode);
public int setparams (int level, int strategy);
public int read (uint8[] buf);
public int write (uint8[] buf);
[PrintfFormat]
public int printf (string format, ...);
public int puts (string s);
public unowned string gets (char[] buf);
public int flush (int flush);
public int rewind ();
public bool eof ();
public bool direct ();
}
}
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