diff options
Diffstat (limited to 'Game/Code/lib/zlib')
| -rw-r--r-- | Game/Code/lib/zlib/zlib.pas | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/Game/Code/lib/zlib/zlib.pas b/Game/Code/lib/zlib/zlib.pas new file mode 100644 index 00000000..8c8362ba --- /dev/null +++ b/Game/Code/lib/zlib/zlib.pas @@ -0,0 +1,207 @@ +(*
+ * zlib pascal headers
+ * This file is part of Free Pascal, released under the LGPL.
+ *)
+
+{$ifdef FPC}
+ {$ifndef NO_SMART_LINK}
+ {$smartlink on}
+ {$endif}
+{$endif}
+unit zlib;
+
+interface
+
+{$ifdef FPC}
+ {$mode objfpc} // Needed for array of const
+ {$PACKRECORDS C}
+{$endif}
+
+const
+ ZLIB_VERSION = '1.2.3';
+
+{$ifdef MSWINDOWS}
+ libz = 'zlib1';
+{$else}
+ libz = 'z';
+{$endif}
+
+type
+ { Compatible with paszlib }
+ Uint = Cardinal;
+ Ulong = Longword;
+ Ulongf = Longword;
+ Pulongf = ^Ulongf;
+ z_off_t = longint;
+ pbyte = ^byte;
+ pbytef = ^byte;
+ voidpf = pointer;
+
+ TAllocfunc = function (opaque: voidpf; items: uInt; size: uInt): voidpf; cdecl;
+ TFreeFunc = procedure (opaque: voidpf; address: voidpf); cdecl;
+
+ TInternalState = record
+ end;
+ PInternalState = ^TInternalstate;
+
+ TZStream = record
+ next_in: pbytef;
+ avail_in: uInt;
+ total_in: uLong;
+ next_out: pbytef;
+ avail_out: uInt;
+ total_out: uLong;
+ msg: pchar;
+ state: PInternalState;
+ zalloc: TAllocFunc;
+ zfree: TFreeFunc;
+ opaque: voidpf;
+ data_type: integer;
+ adler: uLong;
+ reserved: uLong;
+ end;
+ TZStreamRec = TZStream;
+ PZstream = ^TZStream;
+ gzFile = pointer;
+
+
+const
+ Z_NO_FLUSH = 0;
+ Z_PARTIAL_FLUSH = 1;
+ Z_SYNC_FLUSH = 2;
+ Z_FULL_FLUSH = 3;
+ Z_FINISH = 4;
+ Z_BLOCK = 5;
+
+ Z_OK = 0;
+ Z_STREAM_END = 1;
+ Z_NEED_DICT = 2;
+ Z_ERRNO = -(1);
+ Z_STREAM_ERROR = -(2);
+ Z_DATA_ERROR = -(3);
+ Z_MEM_ERROR = -(4);
+ Z_BUF_ERROR = -(5);
+ Z_VERSION_ERROR = -(6);
+
+ Z_NO_COMPRESSION = 0;
+ Z_BEST_SPEED = 1;
+ Z_BEST_COMPRESSION = 9;
+ Z_DEFAULT_COMPRESSION = -(1);
+
+ Z_FILTERED = 1;
+ Z_HUFFMAN_ONLY = 2;
+ Z_RLE = 3;
+ Z_FIXED = 4;
+ Z_DEFAULT_STRATEGY = 0;
+
+ Z_BINARY = 0;
+ Z_TEXT = 1;
+ Z_ASCII = Z_TEXT;
+ Z_UNKNOWN = 2;
+
+ Z_DEFLATED = 8;
+
+ Z_NULL = 0;
+
+function zlibVersionpchar(): pchar; cdecl; external libz name 'zlibVersion';
+function zlibVersion(): string;
+
+function deflate(var strm: TZStream; flush: integer): integer; cdecl; external libz name 'deflate';
+function deflateEnd(var strm: TZStream): integer; cdecl; external libz name 'deflateEnd';
+function inflate(var strm: TZStream; flush: integer): integer; cdecl; external libz name 'inflate';
+function inflateEnd(var strm: TZStream): integer; cdecl; external libz name 'inflateEnd';
+function deflateSetDictionary(var strm: TZStream; dictionary: pbytef; dictLength: uInt): integer; cdecl; external libz name 'deflateSetDictionary';
+function deflateCopy(var dest, source: TZstream): integer; cdecl; external libz name 'deflateCopy';
+function deflateReset(var strm: TZStream): integer; cdecl; external libz name 'deflateReset';
+function deflateParams(var strm: TZStream; level: integer; strategy: integer): integer; cdecl; external libz name 'deflateParams';
+//...
+function inflateSetDictionary(var strm: TZStream; dictionary: pbytef; dictLength: uInt): integer; cdecl; external libz name 'inflateSetDictionary';
+function inflateSync(var strm: TZStream): integer; cdecl; external libz name 'inflateSync';
+//...
+function inflateReset(var strm: TZStream): integer; cdecl; external libz name 'inflateReset';
+
+function compress(dest: pbytef; destLen: puLongf; source : pbytef; sourceLen: uLong): integer; cdecl; external libz name 'compress';
+function compress2(dest: pbytef; destLen: puLongf; source : pbytef; sourceLen: uLong; level: integer): integer; cdecl; external libz name 'compress2';
+function uncompress(dest: pbytef; destLen: puLongf; source : pbytef; sourceLen: uLong): integer; cdecl; external libz name 'uncompress';
+
+function gzopen(path: pchar; mode: pchar): gzFile; cdecl; external libz name 'gzopen';
+function gzdopen(fd: integer; mode: pchar): gzFile; cdecl; external libz name 'gzdopen';
+function gzsetparams(thefile: gzFile; level: integer; strategy: integer): integer; cdecl; external libz name 'gzsetparams';
+function gzread(thefile: gzFile; buf: pointer; len: cardinal): integer; cdecl; external libz name 'gzread';
+function gzwrite(thefile: gzFile; buf: pointer; len: cardinal): integer; cdecl; external libz name 'gzwrite';
+function gzprintf(thefile: gzFile; format: pbytef; args: array of const): integer; cdecl; external libz name 'gzprintf';
+function gzputs(thefile: gzFile; s: pbytef): integer; cdecl; external libz name 'gzputs';
+function gzgets(thefile: gzFile; buf: pbytef; len: integer): pchar; cdecl; external libz name 'gzgets';
+function gzputc(thefile: gzFile; c: integer): integer; cdecl; external libz name 'gzputc';
+function gzgetc(thefile: gzFile): integer; cdecl; external libz name 'gzgetc';
+function gzflush(thefile: gzFile; flush: integer): integer; cdecl; external libz name 'gzflush';
+function gzseek(thefile: gzFile; offset: z_off_t; whence: integer): z_off_t; cdecl; external libz name 'gzseek';
+function gzrewind(thefile: gzFile): integer; cdecl; external libz name 'gzrewind';
+function gztell(thefile: gzFile): z_off_t; cdecl; external libz name 'gztell';
+function gzeof(thefile: gzFile): integer; cdecl; external libz name 'gzeof';
+function gzclose(thefile: gzFile): integer; cdecl; external libz name 'gzclose';
+function gzerror(thefile: gzFile; var errnum: integer): pchar; cdecl; external libz name 'gzerror';
+
+function adler32(adler: uLong; buf: pbytef; len: uInt): uLong; cdecl; external libz name 'adler32';
+function crc32(crc: uLong; buf: pbytef; len: uInt): uLong; cdecl; external libz name 'crc32';
+
+function deflateInit_(var strm: TZStream; level: integer; version: pchar; stream_size: integer): integer; cdecl; external libz name 'deflateInit_';
+function deflateInit(var strm: TZStream; level : integer) : integer;
+function inflateInit_(var strm: TZStream; version: pchar; stream_size: integer): integer; cdecl; external libz name 'inflateInit_';
+function inflateInit(var strm:TZStream) : integer;
+function deflateInit2_(var strm: TZStream; level: integer; method: integer; windowBits: integer; memLevel: integer; strategy: integer; version: pchar; stream_size: integer): integer; cdecl; external libz name 'deflateInit2_';
+function deflateInit2(var strm: TZStream; level, method, windowBits, memLevel, strategy: integer): integer;
+function inflateInit2_(var strm: TZStream; windowBits: integer; version: pchar; stream_size: integer): integer; cdecl; external libz name 'inflateInit2_';
+function inflateInit2(var strm: TZStream; windowBits: integer): integer;
+
+function zErrorpchar(err: integer): pchar; cdecl; external libz name 'zError';
+function zError(err: integer): string;
+function inflateSyncPoint(z: PZstream): integer; cdecl; external libz name 'inflateSyncPoint';
+function get_crc_table(): pointer; cdecl; external libz name 'get_crc_table';
+
+function zlibAllocMem(AppData: Pointer; Items, Size: Integer): Pointer; cdecl;
+procedure zlibFreeMem(AppData, Block: Pointer); cdecl;
+
+implementation
+
+function zlibversion(): string;
+begin
+ zlibversion := string(zlibversionpchar);
+end;
+
+function deflateInit(var strm: TZStream; level: integer) : integer;
+begin
+ deflateInit := deflateInit_(strm, level, ZLIB_VERSION, sizeof(TZStream));
+end;
+
+function inflateInit(var strm: TZStream): integer;
+begin
+ inflateInit := inflateInit_(strm, ZLIB_VERSION, sizeof(TZStream));
+end;
+
+function deflateInit2(var strm: TZStream; level, method, windowBits, memLevel, strategy: integer) : integer;
+begin
+ deflateInit2 := deflateInit2_(strm, level, method, windowBits, memLevel, strategy, ZLIB_VERSION, sizeof(TZStream));
+end;
+
+function inflateInit2(var strm: TZStream; windowBits: integer): integer;
+begin
+ inflateInit2 := inflateInit2_(strm, windowBits, ZLIB_VERSION, sizeof(TZStream));
+end;
+
+function zError(err: integer): string;
+begin
+ zerror := string(zErrorpchar(err));
+end;
+
+function zlibAllocMem(AppData: Pointer; Items, Size: Integer): Pointer; cdecl;
+begin
+ Result := GetMemory(Items * Size);
+end;
+
+procedure zlibFreeMem(AppData, Block: Pointer); cdecl;
+begin
+ FreeMem(Block);
+end;
+
+end.
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