1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 2
* of the License, 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.
*
*/
#include "common/dcl.h"
#include "common/debug.h"
#include "common/memstream.h"
#include "common/stream.h"
#include "common/textconsole.h"
namespace Common {
class DecompressorDCL {
public:
bool unpack(ReadStream *src, byte *dest, uint32 nPacked, uint32 nUnpacked);
protected:
/**
* Initialize decompressor.
* @param src source stream to read from
* @param dest destination stream to write to
* @param nPacked size of packed data
* @param nUnpacket size of unpacked data
* @return 0 on success, non-zero on error
*/
void init(ReadStream *src, byte *dest, uint32 nPacked, uint32 nUnpacked);
/**
* Get a number of bits from _src stream, starting with the least
* significant unread bit of the current four byte block.
* @param n number of bits to get
* @return n-bits number
*/
uint32 getBitsLSB(int n);
/**
* Get one byte from _src stream.
* @return byte
*/
byte getByteLSB();
void fetchBitsLSB();
/**
* Write one byte into _dest stream
* @param b byte to put
*/
void putByte(byte b);
int huffman_lookup(const int *tree);
uint32 _dwBits; ///< bits buffer
byte _nBits; ///< number of unread bits in _dwBits
uint32 _szPacked; ///< size of the compressed data
uint32 _szUnpacked; ///< size of the decompressed data
uint32 _dwRead; ///< number of bytes read from _src
uint32 _dwWrote; ///< number of bytes written to _dest
ReadStream *_src;
byte *_dest;
};
void DecompressorDCL::init(ReadStream *src, byte *dest, uint32 nPacked, uint32 nUnpacked) {
_src = src;
_dest = dest;
_szPacked = nPacked;
_szUnpacked = nUnpacked;
_nBits = 0;
_dwRead = _dwWrote = 0;
_dwBits = 0;
}
void DecompressorDCL::fetchBitsLSB() {
while (_nBits <= 24) {
_dwBits |= ((uint32)_src->readByte()) << _nBits;
_nBits += 8;
_dwRead++;
}
}
uint32 DecompressorDCL::getBitsLSB(int n) {
// fetching more data to buffer if needed
if (_nBits < n)
fetchBitsLSB();
uint32 ret = (_dwBits & ~((~0) << n));
_dwBits >>= n;
_nBits -= n;
return ret;
}
byte DecompressorDCL::getByteLSB() {
return getBitsLSB(8);
}
void DecompressorDCL::putByte(byte b) {
_dest[_dwWrote++] = b;
}
#define HUFFMAN_LEAF 0x40000000
// Branch node
#define BN(pos, left, right) ((left << 12) | (right)),
// Leaf node
#define LN(pos, value) ((value) | HUFFMAN_LEAF),
static const int length_tree[] = {
BN(0, 1, 2)
BN(1, 3, 4) BN(2, 5, 6)
BN(3, 7, 8) BN(4, 9, 10) BN(5, 11, 12) LN(6, 1)
BN(7, 13, 14) BN(8, 15, 16) BN(9, 17, 18) LN(10, 3) LN(11, 2) LN(12, 0)
BN(13, 19, 20) BN(14, 21, 22) BN(15, 23, 24) LN(16, 6) LN(17, 5) LN(18, 4)
BN(19, 25, 26) BN(20, 27, 28) LN(21, 10) LN(22, 9) LN(23, 8) LN(24, 7)
BN(25, 29, 30) LN(26, 13) LN(27, 12) LN(28, 11)
LN(29, 15) LN(30, 14)
0 // We need something witout a comma at the end
};
static const int distance_tree[] = {
BN(0, 1, 2)
BN(1, 3, 4) BN(2, 5, 6)
//
BN(3, 7, 8) BN(4, 9, 10) BN(5, 11, 12) LN(6, 0)
BN(7, 13, 14) BN(8, 15, 16) BN(9, 17, 18) BN(10, 19, 20)
BN(11, 21, 22) BN(12, 23, 24)
//
BN(13, 25, 26) BN(14, 27, 28) BN(15, 29, 30) BN(16, 31, 32)
BN(17, 33, 34) BN(18, 35, 36) BN(19, 37, 38) BN(20, 39, 40)
BN(21, 41, 42) BN(22, 43, 44) LN(23, 2) LN(24, 1)
//
BN(25, 45, 46) BN(26, 47, 48) BN(27, 49, 50) BN(28, 51, 52)
BN(29, 53, 54) BN(30, 55, 56) BN(31, 57, 58) BN(32, 59, 60)
BN(33, 61, 62) BN(34, 63, 64) BN(35, 65, 66) BN(36, 67, 68)
BN(37, 69, 70) BN(38, 71, 72) BN(39, 73, 74) BN(40, 75, 76)
LN(41, 6) LN(42, 5) LN(43, 4) LN(44, 3)
//
BN(45, 77, 78) BN(46, 79, 80) BN(47, 81, 82) BN(48, 83, 84)
BN(49, 85, 86) BN(50, 87, 88) BN(51, 89, 90) BN(52, 91, 92)
BN(53, 93, 94) BN(54, 95, 96) BN(55, 97, 98) BN(56, 99, 100)
BN(57, 101, 102) BN(58, 103, 104) BN(59, 105, 106) BN(60, 107, 108)
BN(61, 109, 110) LN(62, 21) LN(63, 20) LN(64, 19)
LN(65, 18) LN(66, 17) LN(67, 16) LN(68, 15)
LN(69, 14) LN(70, 13) LN(71, 12) LN(72, 11)
LN(73, 10) LN(74, 9) LN(75, 8) LN(76, 7)
//
BN(77, 111, 112) BN(78, 113, 114) BN(79, 115, 116) BN(80, 117, 118)
BN(81, 119, 120) BN(82, 121, 122) BN(83, 123, 124) BN(84, 125, 126)
LN(85, 47) LN(86, 46) LN(87, 45) LN(88, 44)
LN(89, 43) LN(90, 42) LN(91, 41) LN(92, 40)
LN(93, 39) LN(94, 38) LN(95, 37) LN(96, 36)
LN(97, 35) LN(98, 34) LN(99, 33) LN(100, 32)
LN(101, 31) LN(102, 30) LN(103, 29) LN(104, 28)
LN(105, 27) LN(106, 26) LN(107, 25) LN(108, 24)
LN(109, 23) LN(110, 22) LN(111, 63) LN(112, 62)
LN(113, 61) LN(114, 60) LN(115, 59) LN(116, 58)
LN(117, 57) LN(118, 56) LN(119, 55) LN(120, 54)
LN(121, 53) LN(122, 52) LN(123, 51) LN(124, 50)
LN(125, 49) LN(126, 48)
0 // We need something witout a comma at the end
};
static const int ascii_tree[] = {
BN(0, 1, 2) BN(1, 3, 4) BN(2, 5, 6) BN(3, 7, 8)
BN(4, 9, 10) BN(5, 11, 12) BN(6, 13, 14) BN(7, 15, 16)
BN(8, 17, 18) BN(9, 19, 20) BN(10, 21, 22) BN(11, 23, 24)
BN(12, 25, 26) BN(13, 27, 28) BN(14, 29, 30) BN(15, 31, 32)
BN(16, 33, 34) BN(17, 35, 36) BN(18, 37, 38) BN(19, 39, 40)
BN(20, 41, 42) BN(21, 43, 44) BN(22, 45, 46) BN(23, 47, 48)
BN(24, 49, 50) BN(25, 51, 52) BN(26, 53, 54) BN(27, 55, 56)
BN(28, 57, 58) BN(29, 59, 60) LN(30, 32)
//
BN(31, 61, 62) BN(32, 63, 64) BN(33, 65, 66) BN(34, 67, 68)
BN(35, 69, 70) BN(36, 71, 72) BN(37, 73, 74) BN(38, 75, 76)
BN(39, 77, 78) BN(40, 79, 80) BN(41, 81, 82) BN(42, 83, 84)
BN(43, 85, 86) BN(44, 87, 88) BN(45, 89, 90) BN(46, 91, 92)
BN(47, 93, 94) BN(48, 95, 96) BN(49, 97, 98) LN(50, 117)
LN(51, 116) LN(52, 115) LN(53, 114) LN(54, 111)
LN(55, 110) LN(56, 108) LN(57, 105) LN(58, 101)
LN(59, 97) LN(60, 69)
//
BN(61, 99, 100) BN(62, 101, 102) BN(63, 103, 104) BN(64, 105, 106)
BN(65, 107, 108) BN(66, 109, 110) BN(67, 111, 112) BN(68, 113, 114)
BN(69, 115, 116) BN(70, 117, 118) BN(71, 119, 120) BN(72, 121, 122)
BN(73, 123, 124) BN(74, 125, 126) BN(75, 127, 128) BN(76, 129, 130)
BN(77, 131, 132) BN(78, 133, 134) LN(79, 112) LN(80, 109)
LN(81, 104) LN(82, 103) LN(83, 102) LN(84, 100)
LN(85, 99) LN(86, 98) LN(87, 84) LN(88, 83)
LN(89, 82) LN(90, 79) LN(91, 78) LN(92, 76)
LN(93, 73) LN(94, 68) LN(95, 67) LN(96, 65)
LN(97, 49) LN(98, 45)
//
BN(99, 135, 136) BN(100, 137, 138) BN(101, 139, 140) BN(102, 141, 142)
BN(103, 143, 144) BN(104, 145, 146) BN(105, 147, 148) BN(106, 149, 150)
BN(107, 151, 152) BN(108, 153, 154) BN(109, 155, 156) BN(110, 157, 158)
BN(111, 159, 160) BN(112, 161, 162) BN(113, 163, 164) LN(114, 119)
LN(115, 107) LN(116, 85) LN(117, 80) LN(118, 77)
LN(119, 70) LN(120, 66) LN(121, 61) LN(122, 56)
LN(123, 55) LN(124, 53) LN(125, 52) LN(126, 51)
LN(127, 50) LN(128, 48) LN(129, 46) LN(130, 44)
LN(131, 41) LN(132, 40) LN(133, 13) LN(134, 10)
//
BN(135, 165, 166) BN(136, 167, 168) BN(137, 169, 170) BN(138, 171, 172)
BN(139, 173, 174) BN(140, 175, 176) BN(141, 177, 178) BN(142, 179, 180)
BN(143, 181, 182) BN(144, 183, 184) BN(145, 185, 186) BN(146, 187, 188)
BN(147, 189, 190) BN(148, 191, 192) LN(149, 121) LN(150, 120)
LN(151, 118) LN(152, 95) LN(153, 91) LN(154, 87)
LN(155, 72) LN(156, 71) LN(157, 58) LN(158, 57)
LN(159, 54) LN(160, 47) LN(161, 42) LN(162, 39)
LN(163, 34) LN(164, 9)
//
BN(165, 193, 194) BN(166, 195, 196) BN(167, 197, 198) BN(168, 199, 200)
BN(169, 201, 202) BN(170, 203, 204) BN(171, 205, 206) BN(172, 207, 208)
BN(173, 209, 210) BN(174, 211, 212) BN(175, 213, 214) BN(176, 215, 216)
BN(177, 217, 218) BN(178, 219, 220) BN(179, 221, 222) BN(180, 223, 224)
BN(181, 225, 226) BN(182, 227, 228) BN(183, 229, 230) BN(184, 231, 232)
BN(185, 233, 234) LN(186, 93) LN(187, 89) LN(188, 88)
LN(189, 86) LN(190, 75) LN(191, 62) LN(192, 43)
//
BN(193, 235, 236) BN(194, 237, 238) BN(195, 239, 240) BN(196, 241, 242)
BN(197, 243, 244) BN(198, 245, 246) BN(199, 247, 248) BN(200, 249, 250)
BN(201, 251, 252) BN(202, 253, 254) BN(203, 255, 256) BN(204, 257, 258)
BN(205, 259, 260) BN(206, 261, 262) BN(207, 263, 264) BN(208, 265, 266)
BN(209, 267, 268) BN(210, 269, 270) BN(211, 271, 272) BN(212, 273, 274)
BN(213, 275, 276) BN(214, 277, 278) BN(215, 279, 280) BN(216, 281, 282)
BN(217, 283, 284) BN(218, 285, 286) BN(219, 287, 288) BN(220, 289, 290)
BN(221, 291, 292) BN(222, 293, 294) BN(223, 295, 296) BN(224, 297, 298)
BN(225, 299, 300) BN(226, 301, 302) BN(227, 303, 304) BN(228, 305, 306)
BN(229, 307, 308) LN(230, 122) LN(231, 113) LN(232, 38)
LN(233, 36) LN(234, 33)
//
BN(235, 309, 310) BN(236, 311, 312) BN(237, 313, 314) BN(238, 315, 316)
BN(239, 317, 318) BN(240, 319, 320) BN(241, 321, 322) BN(242, 323, 324)
BN(243, 325, 326) BN(244, 327, 328) BN(245, 329, 330) BN(246, 331, 332)
BN(247, 333, 334) BN(248, 335, 336) BN(249, 337, 338) BN(250, 339, 340)
BN(251, 341, 342) BN(252, 343, 344) BN(253, 345, 346) BN(254, 347, 348)
BN(255, 349, 350) BN(256, 351, 352) BN(257, 353, 354) BN(258, 355, 356)
BN(259, 357, 358) BN(260, 359, 360) BN(261, 361, 362) BN(262, 363, 364)
BN(263, 365, 366) BN(264, 367, 368) BN(265, 369, 370) BN(266, 371, 372)
BN(267, 373, 374) BN(268, 375, 376) BN(269, 377, 378) BN(270, 379, 380)
BN(271, 381, 382) BN(272, 383, 384) BN(273, 385, 386) BN(274, 387, 388)
BN(275, 389, 390) BN(276, 391, 392) BN(277, 393, 394) BN(278, 395, 396)
BN(279, 397, 398) BN(280, 399, 400) BN(281, 401, 402) BN(282, 403, 404)
BN(283, 405, 406) BN(284, 407, 408) BN(285, 409, 410) BN(286, 411, 412)
BN(287, 413, 414) BN(288, 415, 416) BN(289, 417, 418) BN(290, 419, 420)
BN(291, 421, 422) BN(292, 423, 424) BN(293, 425, 426) BN(294, 427, 428)
BN(295, 429, 430) BN(296, 431, 432) BN(297, 433, 434) BN(298, 435, 436)
LN(299, 124) LN(300, 123) LN(301, 106) LN(302, 92)
LN(303, 90) LN(304, 81) LN(305, 74) LN(306, 63)
LN(307, 60) LN(308, 0)
//
BN(309, 437, 438) BN(310, 439, 440) BN(311, 441, 442) BN(312, 443, 444)
BN(313, 445, 446) BN(314, 447, 448) BN(315, 449, 450) BN(316, 451, 452)
BN(317, 453, 454) BN(318, 455, 456) BN(319, 457, 458) BN(320, 459, 460)
BN(321, 461, 462) BN(322, 463, 464) BN(323, 465, 466) BN(324, 467, 468)
BN(325, 469, 470) BN(326, 471, 472) BN(327, 473, 474) BN(328, 475, 476)
BN(329, 477, 478) BN(330, 479, 480) BN(331, 481, 482) BN(332, 483, 484)
BN(333, 485, 486) BN(334, 487, 488) BN(335, 489, 490) BN(336, 491, 492)
BN(337, 493, 494) BN(338, 495, 496) BN(339, 497, 498) BN(340, 499, 500)
BN(341, 501, 502) BN(342, 503, 504) BN(343, 505, 506) BN(344, 507, 508)
BN(345, 509, 510) LN(346, 244) LN(347, 243) LN(348, 242)
LN(349, 238) LN(350, 233) LN(351, 229) LN(352, 225)
LN(353, 223) LN(354, 222) LN(355, 221) LN(356, 220)
LN(357, 219) LN(358, 218) LN(359, 217) LN(360, 216)
LN(361, 215) LN(362, 214) LN(363, 213) LN(364, 212)
LN(365, 211) LN(366, 210) LN(367, 209) LN(368, 208)
LN(369, 207) LN(370, 206) LN(371, 205) LN(372, 204)
LN(373, 203) LN(374, 202) LN(375, 201) LN(376, 200)
LN(377, 199) LN(378, 198) LN(379, 197) LN(380, 196)
LN(381, 195) LN(382, 194) LN(383, 193) LN(384, 192)
LN(385, 191) LN(386, 190) LN(387, 189) LN(388, 188)
LN(389, 187) LN(390, 186) LN(391, 185) LN(392, 184)
LN(393, 183) LN(394, 182) LN(395, 181) LN(396, 180)
LN(397, 179) LN(398, 178) LN(399, 177) LN(400, 176)
LN(401, 127) LN(402, 126) LN(403, 125) LN(404, 96)
LN(405, 94) LN(406, 64) LN(407, 59) LN(408, 37)
LN(409, 35) LN(410, 31) LN(411, 30) LN(412, 29)
LN(413, 28) LN(414, 27) LN(415, 25) LN(416, 24)
LN(417, 23) LN(418, 22) LN(419, 21) LN(420, 20)
LN(421, 19) LN(422, 18) LN(423, 17) LN(424, 16)
LN(425, 15) LN(426, 14) LN(427, 12) LN(428, 11)
LN(429, 8) LN(430, 7) LN(431, 6) LN(432, 5)
LN(433, 4) LN(434, 3) LN(435, 2) LN(436, 1)
LN(437, 255) LN(438, 254) LN(439, 253) LN(440, 252)
LN(441, 251) LN(442, 250) LN(443, 249) LN(444, 248)
LN(445, 247) LN(446, 246) LN(447, 245) LN(448, 241)
LN(449, 240) LN(450, 239) LN(451, 237) LN(452, 236)
LN(453, 235) LN(454, 234) LN(455, 232) LN(456, 231)
LN(457, 230) LN(458, 228) LN(459, 227) LN(460, 226)
LN(461, 224) LN(462, 175) LN(463, 174) LN(464, 173)
LN(465, 172) LN(466, 171) LN(467, 170) LN(468, 169)
LN(469, 168) LN(470, 167) LN(471, 166) LN(472, 165)
LN(473, 164) LN(474, 163) LN(475, 162) LN(476, 161)
LN(477, 160) LN(478, 159) LN(479, 158) LN(480, 157)
LN(481, 156) LN(482, 155) LN(483, 154) LN(484, 153)
LN(485, 152) LN(486, 151) LN(487, 150) LN(488, 149)
LN(489, 148) LN(490, 147) LN(491, 146) LN(492, 145)
LN(493, 144) LN(494, 143) LN(495, 142) LN(496, 141)
LN(497, 140) LN(498, 139) LN(499, 138) LN(500, 137)
LN(501, 136) LN(502, 135) LN(503, 134) LN(504, 133)
LN(505, 132) LN(506, 131) LN(507, 130) LN(508, 129)
LN(509, 128) LN(510, 26)
};
int DecompressorDCL::huffman_lookup(const int *tree) {
int pos = 0;
while (!(tree[pos] & HUFFMAN_LEAF)) {
int bit = getBitsLSB(1);
debug(8, "[%d]:%d->", pos, bit);
pos = bit ? tree[pos] & 0xFFF : tree[pos] >> 12;
}
debug(8, "=%02x\n", tree[pos] & 0xffff);
return tree[pos] & 0xFFFF;
}
#define DCL_BINARY_MODE 0
#define DCL_ASCII_MODE 1
bool DecompressorDCL::unpack(ReadStream *src, byte *dest, uint32 nPacked, uint32 nUnpacked) {
init(src, dest, nPacked, nUnpacked);
int value;
uint32 val_distance, val_length;
int mode = getByteLSB();
int length_param = getByteLSB();
if (mode != DCL_BINARY_MODE && mode != DCL_ASCII_MODE) {
warning("DCL-INFLATE: Error: Encountered mode %02x, expected 00 or 01", mode);
return false;
}
if (length_param < 3 || length_param > 6)
warning("Unexpected length_param value %d (expected in [3,6])", length_param);
while (_dwWrote < _szUnpacked) {
if (getBitsLSB(1)) { // (length,distance) pair
value = huffman_lookup(length_tree);
if (value < 8)
val_length = value + 2;
else
val_length = 8 + (1 << (value - 7)) + getBitsLSB(value - 7);
debug(8, " | ");
value = huffman_lookup(distance_tree);
if (val_length == 2)
val_distance = (value << 2) | getBitsLSB(2);
else
val_distance = (value << length_param) | getBitsLSB(length_param);
val_distance ++;
debug(8, "\nCOPY(%d from %d)\n", val_length, val_distance);
if (val_length + _dwWrote > _szUnpacked) {
warning("DCL-INFLATE Error: Write out of bounds while copying %d bytes (declared unpacked size is %d bytes, current is %d + %d bytes)",
val_length, _szUnpacked, _dwWrote, val_length);
return false;
}
if (_dwWrote < val_distance) {
warning("DCL-INFLATE Error: Attempt to copy from before beginning of input stream (declared unpacked size is %d bytes, current is %d bytes)",
_szUnpacked, _dwWrote);
return false;
}
while (val_length) {
uint32 copy_length = (val_length > val_distance) ? val_distance : val_length;
assert(val_distance >= copy_length);
uint32 pos = _dwWrote - val_distance;
for (uint32 i = 0; i < copy_length; i++)
putByte(dest[pos + i]);
for (uint32 i = 0; i < copy_length; i++)
debug(9, "\33[32;31m%02x\33[37;37m ", dest[pos + i]);
debug(9, "\n");
val_length -= copy_length;
val_distance += copy_length;
}
} else { // Copy byte verbatim
value = (mode == DCL_ASCII_MODE) ? huffman_lookup(ascii_tree) : getByteLSB();
putByte(value);
debug(9, "\33[32;31m%02x \33[37;37m", value);
}
}
return _dwWrote == _szUnpacked;
}
bool decompressDCL(ReadStream *src, byte *dest, uint32 packedSize, uint32 unpackedSize) {
if (!src || !dest)
return false;
DecompressorDCL dcl;
return dcl.unpack(src, dest, packedSize, unpackedSize);
}
SeekableReadStream *decompressDCL(ReadStream *src, uint32 packedSize, uint32 unpackedSize) {
byte *data = (byte *)malloc(unpackedSize);
if (decompressDCL(src, data, packedSize, unpackedSize))
return new MemoryReadStream(data, unpackedSize, DisposeAfterUse::YES);
free(data);
return 0;
}
} // End of namespace Common
|
