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Comparing deliantra/server/common/utils.C (file contents):
Revision 1.40 by root, Thu Jan 18 19:32:37 2007 UTC vs.
Revision 1.68 by root, Thu Nov 8 19:43:24 2007 UTC

1/* 1/*
2 * CrossFire, A Multiplayer game for X-windows 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team 4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (C) 2002 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU General Public License 18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 * 20 *
22 * The authors can be reached via e-mail at <crossfire@schmorp.de> 21 * The authors can be reached via e-mail to <support@deliantra.net>
23 */ 22 */
24 23
25/* 24/*
26 * General convenience functions for crossfire. 25 * General convenience functions for crossfire.
27 */ 26 */
37#include <funcpoint.h> 36#include <funcpoint.h>
38#include <material.h> 37#include <material.h>
39 38
40#include <glib.h> 39#include <glib.h>
41 40
42rand_gen rndm (time (0)); 41refcnt_base::refcnt_t refcnt_dummy;
42size_t slice_alloc;
43rand_gen rndm;
43 44
45void
44tausworthe_random_generator::tausworthe_random_generator (uint32_t seed) 46tausworthe_random_generator::seed (uint32_t seed)
45{ 47{
46 state [0] = max ( 2, seed * 69069U); 48 state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U;
47 state [1] = max ( 8, state [0] * 69069U); 49 state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U;
48 state [2] = max ( 16, state [1] * 69069U); 50 state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U;
49 state [3] = max (128, state [2] * 69069U); 51 state [3] = state [2] * 69069U; if (state [0] < 128) state [0] += 128U;
50 52
51 for (int i = 11; --i; ) 53 for (int i = 11; --i; )
52 operator ()(); 54 operator ()();
53} 55}
54 56
59 state [1] = ((state [1] & 0xFFFFFFF8U) << 2U) ^ (((state [1] << 2U) ^ state [1]) >> 27U); 61 state [1] = ((state [1] & 0xFFFFFFF8U) << 2U) ^ (((state [1] << 2U) ^ state [1]) >> 27U);
60 state [2] = ((state [2] & 0xFFFFFFF0U) << 7U) ^ (((state [2] << 13U) ^ state [2]) >> 21U); 62 state [2] = ((state [2] & 0xFFFFFFF0U) << 7U) ^ (((state [2] << 13U) ^ state [2]) >> 21U);
61 state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U); 63 state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U);
62 64
63 return state [0] ^ state [1] ^ state [2] ^ state [3]; 65 return state [0] ^ state [1] ^ state [2] ^ state [3];
66}
67
68uint32_t
69tausworthe_random_generator::get_range (uint32_t num)
70{
71 return (next () * (uint64_t)num) >> 32U;
72}
73
74// return a number within (min .. max)
75int
76tausworthe_random_generator::get_range (int r_min, int r_max)
77{
78 return r_min + get_range (max (r_max - r_min + 1, 0));
64} 79}
65 80
66/* 81/*
67 * The random functions here take luck into account when rolling random 82 * The random functions here take luck into account when rolling random
68 * dice or numbers. This function has less of an impact the larger the 83 * dice or numbers. This function has less of an impact the larger the
77 * and if goodbad is non-zero, luck increases the roll, if zero, it decreases. 92 * and if goodbad is non-zero, luck increases the roll, if zero, it decreases.
78 * Generally, op should be the player/caster/hitter requesting the roll, 93 * Generally, op should be the player/caster/hitter requesting the roll,
79 * not the recipient (ie, the poor slob getting hit). [garbled 20010916] 94 * not the recipient (ie, the poor slob getting hit). [garbled 20010916]
80 */ 95 */
81int 96int
82random_roll (int min, int max, const object *op, int goodbad) 97random_roll (int r_min, int r_max, const object *op, int goodbad)
83{ 98{
84 int omin, diff, luck, base, ran; 99 int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */
85 100
86 omin = min; 101 if (r_max < r_min)
87 diff = max - min + 1;
88 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
89
90 if (max < 1 || diff < 1)
91 { 102 {
92 LOG (llevError, "Calling random_roll with min=%d max=%d\n", min, max); 103 LOG (llevError | logBacktrace, "Calling random_roll with min=%d max=%d\n", r_min, r_max);
104 return r_min;
105 }
106
107 if (op->type == PLAYER)
108 {
109 int luck = op->stats.luck;
110
111 if (rndm (base) < min (10, abs (luck)))
112 {
113 //TODO: take luck into account
114 }
115 }
116
117 return rndm (r_min, r_max);
118}
119
120/*
121 * This is a 64 bit version of random_roll above. This is needed
122 * for exp loss calculations for players changing religions.
123 */
124sint64
125random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)
126{
127 sint64 omin = min;
128 sint64 diff = max - min + 1;
129 int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
130
131 if (diff < 0)
132 {
133 LOG (llevError | logBacktrace, "Calling random_roll64 with min=%" PRId64 " max=%" PRId64 "\n", min, max);
93 return (min); /* avoids a float exception */ 134 return (min); /* avoids a float exception */
94 } 135 }
95 136
96 ran = RANDOM (); 137 /*
138 * Make a call to get two 32 bit unsigned random numbers, and just to
139 * a little bitshifting.
140 */
141 sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31);
97 142
98 if (op->type != PLAYER) 143 if (op->type != PLAYER)
99 return ((ran % diff) + min); 144 return ((ran % diff) + min);
100 145
101 luck = op->stats.luck; 146 int luck = op->stats.luck;
147
102 if (RANDOM () % base < MIN (10, abs (luck))) 148 if (rndm (base) < MIN (10, abs (luck)))
103 { 149 {
104 /* we have a winner */ 150 /* we have a winner */
105 ((luck > 0) ? (luck = 1) : (luck = -1)); 151 ((luck > 0) ? (luck = 1) : (luck = -1));
106 diff -= luck; 152 diff -= luck;
107 if (diff < 1) 153 if (diff < 1)
108 return (omin); /*check again */ 154 return (omin); /*check again */
155
109 ((goodbad) ? (min += luck) : (diff)); 156 ((goodbad) ? (min += luck) : (diff));
110 157
111 return (MAX (omin, MIN (max, (ran % diff) + min))); 158 return (MAX (omin, MIN (max, (ran % diff) + min)));
112 } 159 }
160
113 return ((ran % diff) + min); 161 return ran % diff + min;
114}
115
116/*
117 * This is a 64 bit version of random_roll above. This is needed
118 * for exp loss calculations for players changing religions.
119 */
120
121sint64
122random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)
123{
124 sint64 omin, diff, luck, ran;
125 int base;
126
127 omin = min;
128 diff = max - min + 1;
129 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
130
131 if (max < 1 || diff < 1)
132 {
133 LOG (llevError, "Calling random_roll with min=%" PRId64 " max=%" PRId64 "\n", min, max);
134 return (min); /* avoids a float exception */
135 }
136
137 /* Don't know of a portable call to get 64 bit random values.
138 * So make a call to get two 32 bit random numbers, and just to
139 * a little byteshifting. Do make sure the first one is only
140 * 32 bit, so we don't get skewed results
141 */
142 ran = (RANDOM () & 0xffffffff) | ((sint64) RANDOM () << 32);
143
144 if (op->type != PLAYER)
145 return ((ran % diff) + min);
146
147 luck = op->stats.luck;
148 if (RANDOM () % base < MIN (10, abs (luck)))
149 {
150 /* we have a winner */
151 ((luck > 0) ? (luck = 1) : (luck = -1));
152 diff -= luck;
153 if (diff < 1)
154 return (omin); /*check again */
155 ((goodbad) ? (min += luck) : (diff));
156
157 return (MAX (omin, MIN (max, (ran % diff) + min)));
158 }
159 return ((ran % diff) + min);
160} 162}
161 163
162/* 164/*
163 * Roll a number of dice (2d3, 4d6). Uses op to determine luck, 165 * Roll a number of dice (2d3, 4d6). Uses op to determine luck,
164 * If goodbad is non-zero, luck increases the roll, if zero, it decreases. 166 * If goodbad is non-zero, luck increases the roll, if zero, it decreases.
165 * Generally, op should be the player/caster/hitter requesting the roll, 167 * Generally, op should be the player/caster/hitter requesting the roll,
166 * not the recipient (ie, the poor slob getting hit). 168 * not the recipient (ie, the poor slob getting hit).
167 * The args are num D size (ie 4d6) [garbled 20010916] 169 * The args are num D size (ie 4d6) [garbled 20010916]
168 */ 170 */
169
170int 171int
171die_roll (int num, int size, const object *op, int goodbad) 172die_roll (int num, int size, const object *op, int goodbad)
172{ 173{
173 int min, diff, luck, total, i, gotlucky, base, ran; 174 int min, luck, total, i, gotlucky;
174 175
175 diff = size; 176 int diff = size;
176 min = 1; 177 min = 1;
177 luck = total = gotlucky = 0; 178 luck = total = gotlucky = 0;
178 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */ 179 int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
180
179 if (size < 2 || diff < 1) 181 if (size < 2 || diff < 1)
180 { 182 {
181 LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size); 183 LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);
182 return (num); /* avoids a float exception */ 184 return num; /* avoids a float exception */
183 } 185 }
184 186
185 if (op->type == PLAYER) 187 if (op->type == PLAYER)
186 luck = op->stats.luck; 188 luck = op->stats.luck;
187 189
188 for (i = 0; i < num; i++) 190 for (i = 0; i < num; i++)
189 { 191 {
190 if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky) 192 if (rndm (base) < MIN (10, abs (luck)) && !gotlucky)
191 { 193 {
192 /* we have a winner */ 194 /* we have a winner */
193 gotlucky++; 195 gotlucky++;
194 ((luck > 0) ? (luck = 1) : (luck = -1)); 196 ((luck > 0) ? (luck = 1) : (luck = -1));
195 diff -= luck; 197 diff -= luck;
196 if (diff < 1) 198 if (diff < 1)
197 return (num); /*check again */ 199 return (num); /*check again */
198 ((goodbad) ? (min += luck) : (diff)); 200 ((goodbad) ? (min += luck) : (diff));
199 ran = RANDOM ();
200 total += MAX (1, MIN (size, (ran % diff) + min)); 201 total += MAX (1, MIN (size, rndm (diff) + min));
201 } 202 }
202 else 203 else
203 {
204 total += RANDOM () % size + 1; 204 total += rndm (size) + 1;
205 }
206 } 205 }
206
207 return (total); 207 return total;
208}
209
210/* decay and destroy perishable items in a map */
211void
212maptile::decay_objects ()
213{
214 if (!spaces)
215 return;
216
217 for (mapspace *ms = spaces + size (); ms-- > spaces; )
218 for (object *above, *op = ms->bot; op; op = above)
219 {
220 above = op->above;
221
222 bool destroy = 0;
223
224 // do not decay anything above unique floor tiles (yet :)
225 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
226 break;
227
228 if (QUERY_FLAG (op, FLAG_IS_FLOOR)
229 || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
230 || QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL)
231 || QUERY_FLAG (op, FLAG_UNIQUE)
232 || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
233 || QUERY_FLAG (op, FLAG_UNPAID)
234 || op->is_alive ())
235 ; // do not decay
236 else if (op->is_weapon ())
237 {
238 op->stats.dam--;
239 if (op->stats.dam < 0)
240 destroy = 1;
241 }
242 else if (op->is_armor ())
243 {
244 op->stats.ac--;
245 if (op->stats.ac < 0)
246 destroy = 1;
247 }
248 else if (op->type == FOOD)
249 {
250 op->stats.food -= rndm (5, 20);
251 if (op->stats.food < 0)
252 destroy = 1;
253 }
254 else
255 {
256 int mat = op->material;
257
258 if (mat & M_PAPER
259 || mat & M_LEATHER
260 || mat & M_WOOD
261 || mat & M_ORGANIC
262 || mat & M_CLOTH
263 || mat & M_LIQUID
264 || (mat & M_IRON && rndm (1, 5) == 1)
265 || (mat & M_GLASS && rndm (1, 2) == 1)
266 || ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1)
267 || ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1)
268 || (mat & M_ICE && temp > 32))
269 destroy = 1;
270 }
271
272 /* adjust overall chance below */
273 if (destroy && rndm (0, 1))
274 op->destroy ();
275 }
276} 208}
277 209
278/* convert materialname to materialtype_t */ 210/* convert materialname to materialtype_t */
279 211
280materialtype_t * 212materialtype_t *
281name_to_material (const char *name) 213name_to_material (const shstr &name)
282{ 214{
283 materialtype_t *mt, *nmt; 215 for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next)
216 if (name == mt->name)
217 return mt;
284 218
285 mt = NULL;
286 for (nmt = materialt; nmt != NULL && nmt->next != NULL; nmt = nmt->next)
287 {
288 if (strcmp (name, nmt->name) == 0)
289 {
290 mt = nmt;
291 break;
292 }
293 }
294 return mt; 219 return 0;
295} 220}
296 221
297/* when doing transmutation of objects, we have to recheck the resistances, 222/* when doing transmutation of objects, we have to recheck the resistances,
298 * as some that did not apply previously, may apply now. 223 * as some that did not apply previously, may apply now.
299 */ 224 */
300
301void 225void
302transmute_materialname (object *op, const object *change) 226transmute_materialname (object *op, const object *change)
303{ 227{
304 materialtype_t *mt; 228 materialtype_t *mt;
305 int j; 229 int j;
314 return; 238 return;
315 239
316 mt = name_to_material (op->materialname); 240 mt = name_to_material (op->materialname);
317 if (!mt) 241 if (!mt)
318 { 242 {
319 LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->name, &op->name, &op->materialname); 243 LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->archname, &op->name, &op->materialname);
320 return; 244 return;
321 } 245 }
322 246
323 for (j = 0; j < NROFATTACKS; j++) 247 for (j = 0; j < NROFATTACKS; j++)
324 if (op->resist[j] == 0 && change->resist[j] != 0) 248 if (op->resist[j] == 0 && change->resist[j] != 0)
335void 259void
336set_materialname (object *op, int difficulty, materialtype_t *nmt) 260set_materialname (object *op, int difficulty, materialtype_t *nmt)
337{ 261{
338 materialtype_t *mt, *lmt; 262 materialtype_t *mt, *lmt;
339 263
340#ifdef NEW_MATERIAL_CODE
341 int j;
342#endif
343
344 if (op->materialname != NULL) 264 if (op->materialname != NULL)
345 return; 265 return;
346 266
347
348
349 if (nmt == NULL) 267 if (nmt == NULL)
350 { 268 {
351 lmt = NULL; 269 lmt = NULL;
352#ifndef NEW_MATERIAL_CODE 270
353 for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next) 271 for (mt = materialt; mt && mt->next; mt = mt->next)
354 { 272 if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
355 if (op->material & mt->material) 273 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
356 { 274 {
357 lmt = mt; 275 lmt = mt;
276 if (!(op->is_weapon () || op->is_armor ()))
358 break; 277 break;
359 } 278 }
360 }
361
362#else
363 for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)
364 {
365 if (op->material & mt->material && rndm (1, 100) <= mt->chance &&
366 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
367 {
368 lmt = mt;
369 if (!(op->is_weapon () || op->is_armor ()))
370 break;
371 }
372 }
373#endif
374 } 279 }
375 else 280 else
376 {
377 lmt = nmt; 281 lmt = nmt;
378 }
379 282
380 if (lmt != NULL) 283 if (lmt != NULL)
381 { 284 {
382#ifndef NEW_MATERIAL_CODE
383 op->materialname = lmt->name;
384 return;
385#else
386
387 if (op->stats.dam && op->is_weapon ()) 285 if (op->stats.dam && op->is_weapon ())
388 { 286 {
389 op->stats.dam += lmt->damage; 287 op->stats.dam += lmt->damage;
390 if (op->stats.dam < 1) 288 if (op->stats.dam < 1)
391 op->stats.dam = 1; 289 op->stats.dam = 1;
392 } 290 }
291
393 if (op->stats.sp && op->type == BOW) 292 if (op->stats.sp && op->type == BOW)
394 op->stats.sp += lmt->sp; 293 op->stats.sp += lmt->sp;
395 if (op->stats.wc && op->is_weapon ()) 294 if (op->stats.wc && op->is_weapon ())
396 op->stats.wc += lmt->wc; 295 op->stats.wc += lmt->wc;
397 if (op->is_armor ()) 296 if (op->is_armor ())
398 { 297 {
399 if (op->stats.ac) 298 if (op->stats.ac)
400 op->stats.ac += lmt->ac; 299 op->stats.ac += lmt->ac;
300
401 for (j = 0; j < NROFATTACKS; j++) 301 for (int j = 0; j < NROFATTACKS; j++)
402 if (op->resist[j] != 0) 302 if (op->resist[j] != 0)
403 { 303 {
404 op->resist[j] += lmt->mod[j]; 304 op->resist[j] += lmt->mod[j];
405 if (op->resist[j] > 100) 305 if (op->resist[j] > 100)
406 op->resist[j] = 100; 306 op->resist[j] = 100;
407 if (op->resist[j] < -100) 307 if (op->resist[j] < -100)
408 op->resist[j] = -100; 308 op->resist[j] = -100;
409 } 309 }
410 } 310 }
311
411 op->materialname = add_string (lmt->name); 312 op->materialname = lmt->name;
412 /* dont make it unstackable if it doesn't need to be */ 313 /* dont make it unstackable if it doesn't need to be */
413 if (op->is_weapon () || op->is_armor ()) 314 if (op->is_weapon () || op->is_armor ())
414 { 315 {
415 op->weight = (op->weight * lmt->weight) / 100; 316 op->weight = (op->weight * lmt->weight) / 100;
416 op->value = (op->value * lmt->value) / 100; 317 op->value = (op->value * lmt->value) / 100;
417 } 318 }
418#endif
419 } 319 }
420} 320}
421 321
422/* 322/*
423 * Strip out the media tags from a String. 323 * Strip out the media tags from a String.
518 * a 'list' for the purposes here, is a string of items, seperated by commas, except 418 * a 'list' for the purposes here, is a string of items, seperated by commas, except
519 * for the last entry, which has an 'and' before it, and a full stop (period) after it. 419 * for the last entry, which has an 'and' before it, and a full stop (period) after it.
520 * This function will also strip all trailing non alphanumeric characters. 420 * This function will also strip all trailing non alphanumeric characters.
521 * It does not insert an oxford comma. 421 * It does not insert an oxford comma.
522 */ 422 */
523
524void 423void
525make_list_like (char *input) 424make_list_like (char *input)
526{ 425{
527 char *p, tmp[MAX_BUF]; 426 char *p, tmp[MAX_BUF];
528 int i; 427 int i;
559fork_abort (const char *msg) 458fork_abort (const char *msg)
560{ 459{
561 if (!fork ()) 460 if (!fork ())
562 { 461 {
563 signal (SIGABRT, SIG_DFL); 462 signal (SIGABRT, SIG_DFL);
463 // try to put corefiles into a subdirectory, if existing, to allow
464 // an administrator to reduce the I/O load.
465 chdir ("cores");
564 abort (); 466 abort ();
565 } 467 }
566 468
567 LOG (llevError, "fork abort: %s\n", msg); 469 LOG (llevError, "fork abort: %s\n", msg);
568} 470}
569 471
570void *salloc_ (int n) throw (std::bad_alloc) 472void *salloc_ (int n) throw (std::bad_alloc)
571{ 473{
474#ifdef PREFER_MALLOC
475 void *ptr = malloc (n);
476#else
477 slice_alloc += n;
572 void *ptr = g_slice_alloc (n); 478 void *ptr = g_slice_alloc (n);
479#endif
573 480
574 if (!ptr) 481 if (!ptr)
575 throw std::bad_alloc (); 482 throw std::bad_alloc ();
576 483
577 return ptr; 484 return ptr;
611 } 518 }
612 else 519 else
613 memcpy (dst, src, len + 1); 520 memcpy (dst, src, len + 1);
614} 521}
615 522
523const char *
524format (const char *format, ...)
525{
526 static dynbuf_text buf;
527
528 buf.clear ();
529
530 va_list ap;
531 va_start (ap, format);
532 buf.vprintf (format, ap);
533 va_end (ap);
534
535 return buf;
536}
537
616tstamp now () 538tstamp now ()
617{ 539{
618 struct timeval tv; 540 struct timeval tv;
619 541
620 gettimeofday (&tv, 0); 542 gettimeofday (&tv, 0);
629 551
630 int diff = (b - a) & 7; 552 int diff = (b - a) & 7;
631 return diff <= 1 || diff >= 7; 553 return diff <= 1 || diff >= 7;
632} 554}
633 555
556/* crc32 0xdebb20e3 table and supplementary functions. */
557extern const uint32_t crc_32_tab[256] =
558{
559 0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,
560 0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL,
561 0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL,
562 0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL,
563 0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL,
564 0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL,
565 0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL,
566 0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL,
567 0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL,
568 0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL,
569 0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL,
570 0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL,
571 0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL,
572 0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL,
573 0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL,
574 0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL,
575 0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL,
576 0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL,
577 0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL,
578 0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL,
579 0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL,
580 0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL,
581 0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL,
582 0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL,
583 0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL,
584 0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL,
585 0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL,
586 0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL,
587 0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL,
588 0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL,
589 0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL,
590 0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL,
591 0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL,
592 0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL,
593 0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL,
594 0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL,
595 0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL,
596 0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL,
597 0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL,
598 0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL,
599 0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL,
600 0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL,
601 0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL,
602 0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL,
603 0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL,
604 0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL,
605 0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL,
606 0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL,
607 0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL,
608 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
609 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
610 0x2d02ef8dL
611};
612

Diff Legend

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