Commit | Line | Data |
---|---|---|
d67c8bdf | 1 | /* |
0f78b815 WD |
2 | * Routines used by the file-transfer code. |
3 | * | |
4 | * Copyright (C) 1996 Andrew Tridgell | |
5 | * Copyright (C) 1996 Paul Mackerras | |
ba2133d6 | 6 | * Copyright (C) 2003-2007 Wayne Davison |
0f78b815 WD |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify | |
ba2133d6 WD |
9 | * it under the terms of the GNU General Public License version 2 as |
10 | * published by the Free Software Foundation. | |
0f78b815 WD |
11 | * |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
e7c67065 WD |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; if not, write to the Free Software Foundation, Inc., | |
19 | * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. | |
0f78b815 | 20 | */ |
70d794dc AT |
21 | |
22 | #include "rsync.h" | |
5914bf15 | 23 | #include "zlib/zlib.h" |
70d794dc AT |
24 | |
25 | extern int do_compression; | |
d67c8bdf | 26 | extern int module_id; |
e8a8167a | 27 | extern int def_compress_level; |
d67c8bdf | 28 | |
ec497df1 | 29 | static int compression_level, per_file_default_level; |
70d794dc | 30 | |
83fff1aa AT |
31 | /* determine the compression level based on a wildcard filename list */ |
32 | void set_compression(char *fname) | |
33 | { | |
ec497df1 WD |
34 | static char *match_list; |
35 | char *s; | |
83fff1aa | 36 | |
d67c8bdf WD |
37 | if (!do_compression) |
38 | return; | |
83fff1aa | 39 | |
ec497df1 WD |
40 | if (!match_list) { |
41 | char *t, *f = lp_dont_compress(module_id); | |
42 | int len = strlen(f); | |
43 | if (!(match_list = t = new_array(char, len + 2))) | |
44 | out_of_memory("set_compression"); | |
45 | while (*f) { | |
46 | if (*f == ' ') { | |
47 | f++; | |
48 | continue; | |
49 | } | |
50 | do { | |
2dc7b8bd WD |
51 | if (isUpper(f)) |
52 | *t++ = toLower(f); | |
ec497df1 WD |
53 | else |
54 | *t++ = *f; | |
55 | } while (*++f != ' ' && *f); | |
56 | *t++ = '\0'; | |
57 | } | |
58 | /* Optimize a match-string of "*". */ | |
59 | if (t - match_list == 2 && match_list[0] == '*') { | |
60 | t = match_list; | |
61 | per_file_default_level = 0; | |
62 | } else | |
63 | per_file_default_level = def_compress_level; | |
64 | *t++ = '\0'; | |
63f0774f DD |
65 | } |
66 | ||
ec497df1 | 67 | compression_level = per_file_default_level; |
0fe987e2 | 68 | |
ec497df1 | 69 | if (!*match_list) |
d67c8bdf | 70 | return; |
83fff1aa | 71 | |
ec497df1 WD |
72 | if ((s = strrchr(fname, '/')) != NULL) |
73 | fname = s + 1; | |
83fff1aa | 74 | |
ec497df1 WD |
75 | for (s = match_list; *s; s += strlen(s) + 1) { |
76 | if (iwildmatch(s, fname)) { | |
83fff1aa AT |
77 | compression_level = 0; |
78 | break; | |
79 | } | |
80 | } | |
83fff1aa | 81 | } |
70d794dc AT |
82 | |
83 | /* non-compressing recv token */ | |
7fcbf9e4 | 84 | static int32 simple_recv_token(int f, char **data) |
70d794dc | 85 | { |
acc461c7 | 86 | static int32 residue; |
c5eb3650 | 87 | static char *buf; |
7fcbf9e4 | 88 | int32 n; |
70d794dc | 89 | |
c5eb3650 | 90 | if (!buf) { |
58cadc86 | 91 | buf = new_array(char, CHUNK_SIZE); |
d67c8bdf WD |
92 | if (!buf) |
93 | out_of_memory("simple_recv_token"); | |
c5eb3650 | 94 | } |
70d794dc | 95 | |
c5eb3650 | 96 | if (residue == 0) { |
7fcbf9e4 | 97 | int32 i = read_int(f); |
d67c8bdf WD |
98 | if (i <= 0) |
99 | return i; | |
c5eb3650 AT |
100 | residue = i; |
101 | } | |
70d794dc | 102 | |
c5eb3650 AT |
103 | *data = buf; |
104 | n = MIN(CHUNK_SIZE,residue); | |
105 | residue -= n; | |
106 | read_buf(f,buf,n); | |
107 | return n; | |
70d794dc AT |
108 | } |
109 | ||
70d794dc | 110 | /* non-compressing send token */ |
acc461c7 | 111 | static void simple_send_token(int f, int32 token, struct map_struct *buf, |
7fcbf9e4 | 112 | OFF_T offset, int32 n) |
70d794dc | 113 | { |
c5eb3650 | 114 | if (n > 0) { |
7fcbf9e4 WD |
115 | int32 len = 0; |
116 | while (len < n) { | |
117 | int32 n1 = MIN(CHUNK_SIZE, n-len); | |
118 | write_int(f, n1); | |
119 | write_buf(f, map_ptr(buf, offset+len, n1), n1); | |
120 | len += n1; | |
c5eb3650 AT |
121 | } |
122 | } | |
45f133b9 | 123 | /* a -2 token means to send data only and no token */ |
7fcbf9e4 WD |
124 | if (token != -2) |
125 | write_int(f, -(token+1)); | |
70d794dc AT |
126 | } |
127 | ||
861c20b4 PM |
128 | /* Flag bytes in compressed stream are encoded as follows: */ |
129 | #define END_FLAG 0 /* that's all folks */ | |
130 | #define TOKEN_LONG 0x20 /* followed by 32-bit token number */ | |
131 | #define TOKENRUN_LONG 0x21 /* ditto with 16-bit run count */ | |
132 | #define DEFLATED_DATA 0x40 /* + 6-bit high len, then low len byte */ | |
133 | #define TOKEN_REL 0x80 /* + 6-bit relative token number */ | |
134 | #define TOKENRUN_REL 0xc0 /* ditto with 16-bit run count */ | |
135 | ||
136 | #define MAX_DATA_COUNT 16383 /* fit 14 bit count into 2 bytes with flags */ | |
137 | ||
24733919 WD |
138 | /* zlib.h says that if we want to be able to compress something in a single |
139 | * call, avail_out must be at least 0.1% larger than avail_in plus 12 bytes. | |
140 | * We'll add in 0.1%+16, just to be safe (and we'll avoid floating point, | |
141 | * to ensure that this is a compile-time value). */ | |
142 | #define AVAIL_OUT_SIZE(avail_in_size) ((avail_in_size)*1001/1000+16) | |
143 | ||
861c20b4 | 144 | /* For coding runs of tokens */ |
acc461c7 WD |
145 | static int32 last_token = -1; |
146 | static int32 run_start; | |
147 | static int32 last_run_end; | |
861c20b4 PM |
148 | |
149 | /* Deflation state */ | |
150 | static z_stream tx_strm; | |
151 | ||
152 | /* Output buffer */ | |
3a6a366f | 153 | static char *obuf; |
24733919 WD |
154 | |
155 | /* We want obuf to be able to hold both MAX_DATA_COUNT+2 bytes as well as | |
156 | * AVAIL_OUT_SIZE(CHUNK_SIZE) bytes, so make sure that it's large enough. */ | |
157 | #if MAX_DATA_COUNT+2 > AVAIL_OUT_SIZE(CHUNK_SIZE) | |
158 | #define OBUF_SIZE (MAX_DATA_COUNT+2) | |
159 | #else | |
160 | #define OBUF_SIZE AVAIL_OUT_SIZE(CHUNK_SIZE) | |
161 | #endif | |
861c20b4 PM |
162 | |
163 | /* Send a deflated token */ | |
164 | static void | |
acc461c7 | 165 | send_deflated_token(int f, int32 token, struct map_struct *buf, OFF_T offset, |
7fcbf9e4 | 166 | int32 nb, int32 toklen) |
861c20b4 | 167 | { |
7fcbf9e4 | 168 | int32 n, r; |
5914bf15 PM |
169 | static int init_done, flush_pending; |
170 | ||
171 | if (last_token == -1) { | |
172 | /* initialization */ | |
173 | if (!init_done) { | |
174 | tx_strm.next_in = NULL; | |
175 | tx_strm.zalloc = NULL; | |
176 | tx_strm.zfree = NULL; | |
83fff1aa | 177 | if (deflateInit2(&tx_strm, compression_level, |
5914bf15 PM |
178 | Z_DEFLATED, -15, 8, |
179 | Z_DEFAULT_STRATEGY) != Z_OK) { | |
180 | rprintf(FERROR, "compression init failed\n"); | |
65417579 | 181 | exit_cleanup(RERR_STREAMIO); |
5914bf15 | 182 | } |
58cadc86 | 183 | if ((obuf = new_array(char, OBUF_SIZE)) == NULL) |
5914bf15 PM |
184 | out_of_memory("send_deflated_token"); |
185 | init_done = 1; | |
186 | } else | |
187 | deflateReset(&tx_strm); | |
188 | last_run_end = 0; | |
189 | run_start = token; | |
190 | flush_pending = 0; | |
5914bf15 PM |
191 | } else if (last_token == -2) { |
192 | run_start = token; | |
5914bf15 PM |
193 | } else if (nb != 0 || token != last_token + 1 |
194 | || token >= run_start + 65536) { | |
195 | /* output previous run */ | |
196 | r = run_start - last_run_end; | |
197 | n = last_token - run_start; | |
198 | if (r >= 0 && r <= 63) { | |
199 | write_byte(f, (n==0? TOKEN_REL: TOKENRUN_REL) + r); | |
200 | } else { | |
201 | write_byte(f, (n==0? TOKEN_LONG: TOKENRUN_LONG)); | |
202 | write_int(f, run_start); | |
203 | } | |
204 | if (n != 0) { | |
205 | write_byte(f, n); | |
206 | write_byte(f, n >> 8); | |
207 | } | |
208 | last_run_end = last_token; | |
209 | run_start = token; | |
861c20b4 | 210 | } |
5914bf15 PM |
211 | |
212 | last_token = token; | |
213 | ||
214 | if (nb != 0 || flush_pending) { | |
215 | /* deflate the data starting at offset */ | |
216 | int flush = Z_NO_FLUSH; | |
217 | tx_strm.avail_in = 0; | |
218 | tx_strm.avail_out = 0; | |
219 | do { | |
220 | if (tx_strm.avail_in == 0 && nb != 0) { | |
221 | /* give it some more input */ | |
222 | n = MIN(nb, CHUNK_SIZE); | |
223 | tx_strm.next_in = (Bytef *) | |
224 | map_ptr(buf, offset, n); | |
225 | tx_strm.avail_in = n; | |
226 | nb -= n; | |
227 | offset += n; | |
228 | } | |
229 | if (tx_strm.avail_out == 0) { | |
230 | tx_strm.next_out = (Bytef *)(obuf + 2); | |
231 | tx_strm.avail_out = MAX_DATA_COUNT; | |
232 | if (flush != Z_NO_FLUSH) { | |
233 | /* | |
234 | * We left the last 4 bytes in the | |
235 | * buffer, in case they are the | |
236 | * last 4. Move them to the front. | |
237 | */ | |
238 | memcpy(tx_strm.next_out, | |
239 | obuf+MAX_DATA_COUNT-2, 4); | |
240 | tx_strm.next_out += 4; | |
241 | tx_strm.avail_out -= 4; | |
242 | } | |
243 | } | |
244 | if (nb == 0 && token != -2) | |
245 | flush = Z_SYNC_FLUSH; | |
246 | r = deflate(&tx_strm, flush); | |
247 | if (r != Z_OK) { | |
248 | rprintf(FERROR, "deflate returned %d\n", r); | |
65417579 | 249 | exit_cleanup(RERR_STREAMIO); |
5914bf15 PM |
250 | } |
251 | if (nb == 0 || tx_strm.avail_out == 0) { | |
252 | n = MAX_DATA_COUNT - tx_strm.avail_out; | |
253 | if (flush != Z_NO_FLUSH) { | |
254 | /* | |
255 | * We have to trim off the last 4 | |
256 | * bytes of output when flushing | |
257 | * (they are just 0, 0, ff, ff). | |
258 | */ | |
259 | n -= 4; | |
260 | } | |
261 | if (n > 0) { | |
262 | obuf[0] = DEFLATED_DATA + (n >> 8); | |
263 | obuf[1] = n; | |
264 | write_buf(f, obuf, n+2); | |
265 | } | |
266 | } | |
267 | } while (nb != 0 || tx_strm.avail_out == 0); | |
268 | flush_pending = token == -2; | |
861c20b4 | 269 | } |
861c20b4 | 270 | |
5914bf15 PM |
271 | if (token == -1) { |
272 | /* end of file - clean up */ | |
273 | write_byte(f, END_FLAG); | |
5914bf15 | 274 | } else if (token != -2) { |
acc461c7 WD |
275 | /* Add the data in the current block to the compressor's |
276 | * history and hash table. */ | |
01f439ec WD |
277 | do { |
278 | /* Break up long sections in the same way that | |
279 | * see_deflate_token() does. */ | |
280 | int32 n1 = toklen > 0xffff ? 0xffff : toklen; | |
281 | toklen -= n1; | |
282 | tx_strm.next_in = (Bytef *)map_ptr(buf, offset, n1); | |
283 | tx_strm.avail_in = n1; | |
284 | tx_strm.next_out = (Bytef *) obuf; | |
285 | tx_strm.avail_out = AVAIL_OUT_SIZE(CHUNK_SIZE); | |
286 | r = deflate(&tx_strm, Z_INSERT_ONLY); | |
287 | if (r != Z_OK || tx_strm.avail_in != 0) { | |
288 | rprintf(FERROR, "deflate on token returned %d (%d bytes left)\n", | |
289 | r, tx_strm.avail_in); | |
290 | exit_cleanup(RERR_STREAMIO); | |
291 | } | |
292 | } while (toklen > 0); | |
861c20b4 | 293 | } |
861c20b4 PM |
294 | } |
295 | ||
861c20b4 PM |
296 | /* tells us what the receiver is in the middle of doing */ |
297 | static enum { r_init, r_idle, r_running, r_inflating, r_inflated } recv_state; | |
70d794dc | 298 | |
861c20b4 PM |
299 | /* for inflating stuff */ |
300 | static z_stream rx_strm; | |
301 | static char *cbuf; | |
302 | static char *dbuf; | |
303 | ||
304 | /* for decoding runs of tokens */ | |
7fcbf9e4 WD |
305 | static int32 rx_token; |
306 | static int32 rx_run; | |
861c20b4 PM |
307 | |
308 | /* Receive a deflated token and inflate it */ | |
7fcbf9e4 | 309 | static int32 recv_deflated_token(int f, char **data) |
861c20b4 | 310 | { |
5914bf15 | 311 | static int init_done; |
acc461c7 WD |
312 | static int32 saved_flag; |
313 | int32 n, flag; | |
314 | int r; | |
5914bf15 PM |
315 | |
316 | for (;;) { | |
317 | switch (recv_state) { | |
318 | case r_init: | |
319 | if (!init_done) { | |
320 | rx_strm.next_out = NULL; | |
321 | rx_strm.zalloc = NULL; | |
322 | rx_strm.zfree = NULL; | |
323 | if (inflateInit2(&rx_strm, -15) != Z_OK) { | |
324 | rprintf(FERROR, "inflate init failed\n"); | |
65417579 | 325 | exit_cleanup(RERR_STREAMIO); |
5914bf15 | 326 | } |
58cadc86 WD |
327 | if (!(cbuf = new_array(char, MAX_DATA_COUNT)) |
328 | || !(dbuf = new_array(char, AVAIL_OUT_SIZE(CHUNK_SIZE)))) | |
5914bf15 PM |
329 | out_of_memory("recv_deflated_token"); |
330 | init_done = 1; | |
331 | } else { | |
332 | inflateReset(&rx_strm); | |
333 | } | |
b8d4524b | 334 | recv_state = r_idle; |
5914bf15 PM |
335 | rx_token = 0; |
336 | break; | |
337 | ||
338 | case r_idle: | |
339 | case r_inflated: | |
340 | if (saved_flag) { | |
341 | flag = saved_flag & 0xff; | |
342 | saved_flag = 0; | |
343 | } else | |
344 | flag = read_byte(f); | |
345 | if ((flag & 0xC0) == DEFLATED_DATA) { | |
346 | n = ((flag & 0x3f) << 8) + read_byte(f); | |
347 | read_buf(f, cbuf, n); | |
348 | rx_strm.next_in = (Bytef *)cbuf; | |
349 | rx_strm.avail_in = n; | |
350 | recv_state = r_inflating; | |
351 | break; | |
352 | } | |
353 | if (recv_state == r_inflated) { | |
354 | /* check previous inflated stuff ended correctly */ | |
355 | rx_strm.avail_in = 0; | |
356 | rx_strm.next_out = (Bytef *)dbuf; | |
1dbb94ca | 357 | rx_strm.avail_out = AVAIL_OUT_SIZE(CHUNK_SIZE); |
5914bf15 | 358 | r = inflate(&rx_strm, Z_SYNC_FLUSH); |
1dbb94ca | 359 | n = AVAIL_OUT_SIZE(CHUNK_SIZE) - rx_strm.avail_out; |
5914bf15 PM |
360 | /* |
361 | * Z_BUF_ERROR just means no progress was | |
362 | * made, i.e. the decompressor didn't have | |
363 | * any pending output for us. | |
364 | */ | |
365 | if (r != Z_OK && r != Z_BUF_ERROR) { | |
366 | rprintf(FERROR, "inflate flush returned %d (%d bytes)\n", | |
367 | r, n); | |
65417579 | 368 | exit_cleanup(RERR_STREAMIO); |
5914bf15 PM |
369 | } |
370 | if (n != 0 && r != Z_BUF_ERROR) { | |
371 | /* have to return some more data and | |
372 | save the flag for later. */ | |
373 | saved_flag = flag + 0x10000; | |
374 | *data = dbuf; | |
375 | return n; | |
376 | } | |
377 | /* | |
378 | * At this point the decompressor should | |
379 | * be expecting to see the 0, 0, ff, ff bytes. | |
380 | */ | |
381 | if (!inflateSyncPoint(&rx_strm)) { | |
382 | rprintf(FERROR, "decompressor lost sync!\n"); | |
65417579 | 383 | exit_cleanup(RERR_STREAMIO); |
5914bf15 PM |
384 | } |
385 | rx_strm.avail_in = 4; | |
386 | rx_strm.next_in = (Bytef *)cbuf; | |
387 | cbuf[0] = cbuf[1] = 0; | |
388 | cbuf[2] = cbuf[3] = 0xff; | |
389 | inflate(&rx_strm, Z_SYNC_FLUSH); | |
390 | recv_state = r_idle; | |
391 | } | |
392 | if (flag == END_FLAG) { | |
393 | /* that's all folks */ | |
394 | recv_state = r_init; | |
395 | return 0; | |
396 | } | |
397 | ||
398 | /* here we have a token of some kind */ | |
399 | if (flag & TOKEN_REL) { | |
400 | rx_token += flag & 0x3f; | |
401 | flag >>= 6; | |
402 | } else | |
403 | rx_token = read_int(f); | |
404 | if (flag & 1) { | |
405 | rx_run = read_byte(f); | |
406 | rx_run += read_byte(f) << 8; | |
407 | recv_state = r_running; | |
408 | } | |
409 | return -1 - rx_token; | |
410 | ||
411 | case r_inflating: | |
412 | rx_strm.next_out = (Bytef *)dbuf; | |
1dbb94ca | 413 | rx_strm.avail_out = AVAIL_OUT_SIZE(CHUNK_SIZE); |
5914bf15 | 414 | r = inflate(&rx_strm, Z_NO_FLUSH); |
1dbb94ca | 415 | n = AVAIL_OUT_SIZE(CHUNK_SIZE) - rx_strm.avail_out; |
5914bf15 PM |
416 | if (r != Z_OK) { |
417 | rprintf(FERROR, "inflate returned %d (%d bytes)\n", r, n); | |
65417579 | 418 | exit_cleanup(RERR_STREAMIO); |
5914bf15 PM |
419 | } |
420 | if (rx_strm.avail_in == 0) | |
421 | recv_state = r_inflated; | |
422 | if (n != 0) { | |
423 | *data = dbuf; | |
424 | return n; | |
425 | } | |
426 | break; | |
427 | ||
428 | case r_running: | |
429 | ++rx_token; | |
430 | if (--rx_run == 0) | |
431 | recv_state = r_idle; | |
432 | return -1 - rx_token; | |
b8d4524b | 433 | } |
861c20b4 | 434 | } |
861c20b4 PM |
435 | } |
436 | ||
437 | /* | |
438 | * put the data corresponding to a token that we've just returned | |
439 | * from recv_deflated_token into the decompressor's history buffer. | |
440 | */ | |
7fcbf9e4 | 441 | static void see_deflate_token(char *buf, int32 len) |
861c20b4 | 442 | { |
acc461c7 WD |
443 | int r; |
444 | int32 blklen; | |
5914bf15 PM |
445 | unsigned char hdr[5]; |
446 | ||
447 | rx_strm.avail_in = 0; | |
448 | blklen = 0; | |
449 | hdr[0] = 0; | |
450 | do { | |
451 | if (rx_strm.avail_in == 0 && len != 0) { | |
452 | if (blklen == 0) { | |
453 | /* Give it a fake stored-block header. */ | |
454 | rx_strm.next_in = (Bytef *)hdr; | |
455 | rx_strm.avail_in = 5; | |
456 | blklen = len; | |
457 | if (blklen > 0xffff) | |
458 | blklen = 0xffff; | |
459 | hdr[1] = blklen; | |
460 | hdr[2] = blklen >> 8; | |
461 | hdr[3] = ~hdr[1]; | |
462 | hdr[4] = ~hdr[2]; | |
463 | } else { | |
464 | rx_strm.next_in = (Bytef *)buf; | |
465 | rx_strm.avail_in = blklen; | |
466 | len -= blklen; | |
467 | blklen = 0; | |
468 | } | |
469 | } | |
470 | rx_strm.next_out = (Bytef *)dbuf; | |
1dbb94ca | 471 | rx_strm.avail_out = AVAIL_OUT_SIZE(CHUNK_SIZE); |
5914bf15 PM |
472 | r = inflate(&rx_strm, Z_SYNC_FLUSH); |
473 | if (r != Z_OK) { | |
474 | rprintf(FERROR, "inflate (token) returned %d\n", r); | |
65417579 | 475 | exit_cleanup(RERR_STREAMIO); |
5914bf15 PM |
476 | } |
477 | } while (len || rx_strm.avail_out == 0); | |
861c20b4 | 478 | } |
70d794dc | 479 | |
79f671cc MP |
480 | /** |
481 | * Transmit a verbatim buffer of length @p n followed by a token. | |
d67c8bdf | 482 | * If token == -1 then we have reached EOF |
70d794dc | 483 | * If n == 0 then don't send a buffer |
70d794dc | 484 | */ |
acc461c7 | 485 | void send_token(int f, int32 token, struct map_struct *buf, OFF_T offset, |
7fcbf9e4 | 486 | int32 n, int32 toklen) |
70d794dc | 487 | { |
7fcbf9e4 WD |
488 | if (!do_compression) |
489 | simple_send_token(f, token, buf, offset, n); | |
490 | else | |
5914bf15 | 491 | send_deflated_token(f, token, buf, offset, n, toklen); |
70d794dc AT |
492 | } |
493 | ||
70d794dc AT |
494 | /* |
495 | * receive a token or buffer from the other end. If the reurn value is >0 then | |
496 | * it is a data buffer of that length, and *data will point at the data. | |
497 | * if the return value is -i then it represents token i-1 | |
498 | * if the return value is 0 then the end has been reached | |
499 | */ | |
7fcbf9e4 | 500 | int32 recv_token(int f, char **data) |
70d794dc | 501 | { |
5914bf15 PM |
502 | int tok; |
503 | ||
504 | if (!do_compression) { | |
505 | tok = simple_recv_token(f,data); | |
506 | } else { | |
507 | tok = recv_deflated_token(f, data); | |
508 | } | |
509 | return tok; | |
861c20b4 PM |
510 | } |
511 | ||
512 | /* | |
513 | * look at the data corresponding to a token, if necessary | |
514 | */ | |
7fcbf9e4 | 515 | void see_token(char *data, int32 toklen) |
861c20b4 | 516 | { |
5914bf15 PM |
517 | if (do_compression) |
518 | see_deflate_token(data, toklen); | |
70d794dc | 519 | } |