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Comparing deliantra/server/common/utils.C (file contents):
Revision 1.41 by root, Thu Jan 18 22:19:59 2007 UTC vs.
Revision 1.85 by root, Wed Dec 31 17:35:37 2008 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 (©) 2005,2006,2007,2008 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 */
32#include <sys/time.h> 31#include <sys/time.h>
33#include <time.h> 32#include <time.h>
34#include <signal.h> 33#include <signal.h>
35 34
36#include <global.h> 35#include <global.h>
37#include <funcpoint.h>
38#include <material.h> 36#include <material.h>
39 37
38#include <sys/time.h>
39#include <sys/resource.h>
40
40#include <glib.h> 41#include <glib.h>
41 42
42rand_gen rndm (time (0)); 43refcnt_base::refcnt_t refcnt_dummy;
44ssize_t slice_alloc;
45rand_gen rndm, rmg_rndm;
43 46
47void
44tausworthe_random_generator::tausworthe_random_generator (uint32_t seed) 48tausworthe_random_generator::seed (uint32_t seed)
45{ 49{
46 state [0] = max ( 2, seed * 69069U); 50 state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U;
47 state [1] = max ( 8, state [0] * 69069U); 51 state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U;
48 state [2] = max ( 16, state [1] * 69069U); 52 state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U;
49 state [3] = max (128, state [2] * 69069U); 53 state [3] = state [2] * 69069U; if (state [0] < 128U) state [0] += 128U;
50 54
51 for (int i = 11; --i; ) 55 for (int i = 11; --i; )
52 operator ()(); 56 next ();
53} 57}
54 58
55uint32_t 59uint32_t
56tausworthe_random_generator::next () 60tausworthe_random_generator::next ()
57{ 61{
60 state [2] = ((state [2] & 0xFFFFFFF0U) << 7U) ^ (((state [2] << 13U) ^ state [2]) >> 21U); 64 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); 65 state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U);
62 66
63 return state [0] ^ state [1] ^ state [2] ^ state [3]; 67 return state [0] ^ state [1] ^ state [2] ^ state [3];
64} 68}
69
70template<class generator>
71uint32_t
72random_number_generator<generator>::get_range (uint32_t num)
73{
74 return (this->next () * (uint64_t)num) >> 32U;
75}
76
77// return a number within (min .. max)
78template<class generator>
79int
80random_number_generator<generator>::get_range (int r_min, int r_max)
81{
82 return r_min + get_range (max (r_max - r_min + 1, 0));
83}
84
85template struct random_number_generator<tausworthe_random_generator>;
86template struct random_number_generator<xorshift_random_generator>;
65 87
66/* 88/*
67 * The random functions here take luck into account when rolling random 89 * 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 90 * dice or numbers. This function has less of an impact the larger the
69 * difference becomes in the random numbers. IE, the effect is lessened 91 * difference becomes in the random numbers. IE, the effect is lessened
79 * not the recipient (ie, the poor slob getting hit). [garbled 20010916] 101 * not the recipient (ie, the poor slob getting hit). [garbled 20010916]
80 */ 102 */
81int 103int
82random_roll (int r_min, int r_max, const object *op, int goodbad) 104random_roll (int r_min, int r_max, const object *op, int goodbad)
83{ 105{
106 r_max = max (r_min, r_max);
107
84 int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */ 108 int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */
85
86 if (r_max < 1 || r_max < r_min)
87 {
88 LOG (llevError, "Calling random_roll with min=%d max=%d\n", r_min, r_max);
89 return r_min;
90 }
91 109
92 if (op->type == PLAYER) 110 if (op->type == PLAYER)
93 { 111 {
94 int luck = op->stats.luck; 112 int luck = op->stats.luck;
95 113
104 122
105/* 123/*
106 * This is a 64 bit version of random_roll above. This is needed 124 * This is a 64 bit version of random_roll above. This is needed
107 * for exp loss calculations for players changing religions. 125 * for exp loss calculations for players changing religions.
108 */ 126 */
109
110sint64 127sint64
111random_roll64 (sint64 min, sint64 max, const object *op, int goodbad) 128random_roll64 (sint64 r_min, sint64 r_max, const object *op, int goodbad)
112{ 129{
113 sint64 omin, diff, luck, ran; 130 sint64 omin = r_min;
114 int base; 131 sint64 range = max (0, r_max - r_min + 1);
132 int base = range > 2 ? 20 : 50; /* d2 and d3 are corner cases */
115 133
116 omin = min; 134 /*
117 diff = max - min + 1;
118 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
119
120 if (max < 1 || diff < 1)
121 {
122 LOG (llevError, "Calling random_roll with min=%" PRId64 " max=%" PRId64 "\n", min, max);
123 return (min); /* avoids a float exception */
124 }
125
126 /* Don't know of a portable call to get 64 bit random values.
127 * So make a call to get two 32 bit random numbers, and just to 135 * Make a call to get two 32 bit unsigned random numbers, and just to
128 * a little byteshifting. Do make sure the first one is only 136 * a little bitshifting.
129 * 32 bit, so we don't get skewed results
130 */ 137 */
131 ran = (RANDOM () & 0xffffffff) | ((sint64) RANDOM () << 32); 138 sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31);
132 139
133 if (op->type != PLAYER) 140 if (op->type != PLAYER)
134 return ((ran % diff) + min); 141 return ((ran % range) + r_min);
135 142
136 luck = op->stats.luck; 143 int luck = op->stats.luck;
144
137 if (RANDOM () % base < MIN (10, abs (luck))) 145 if (rndm (base) < min (10, abs (luck)))
138 { 146 {
139 /* we have a winner */ 147 /* we have a winner */
140 ((luck > 0) ? (luck = 1) : (luck = -1)); 148 ((luck > 0) ? (luck = 1) : (luck = -1));
141 diff -= luck; 149 range -= luck;
142 if (diff < 1) 150 if (range < 1)
143 return (omin); /*check again */ 151 return (omin); /*check again */
152
144 ((goodbad) ? (min += luck) : (diff)); 153 ((goodbad) ? (r_min += luck) : (range));
145 154
146 return (MAX (omin, MIN (max, (ran % diff) + min))); 155 return (max (omin, min (r_max, (ran % range) + r_min)));
147 } 156 }
148 return ((ran % diff) + min); 157
158 return ran % range + r_min;
149} 159}
150 160
151/* 161/*
152 * Roll a number of dice (2d3, 4d6). Uses op to determine luck, 162 * Roll a number of dice (2d3, 4d6). Uses op to determine luck,
153 * If goodbad is non-zero, luck increases the roll, if zero, it decreases. 163 * If goodbad is non-zero, luck increases the roll, if zero, it decreases.
154 * Generally, op should be the player/caster/hitter requesting the roll, 164 * Generally, op should be the player/caster/hitter requesting the roll,
155 * not the recipient (ie, the poor slob getting hit). 165 * not the recipient (ie, the poor slob getting hit).
156 * The args are num D size (ie 4d6) [garbled 20010916] 166 * The args are num D size (ie 4d6) [garbled 20010916]
157 */ 167 */
158
159int 168int
160die_roll (int num, int size, const object *op, int goodbad) 169die_roll (int num, int size, const object *op, int goodbad)
161{ 170{
162 int min, diff, luck, total, i, gotlucky, base, ran; 171 int min, luck, total, i, gotlucky;
163 172
164 diff = size; 173 int diff = size;
165 min = 1; 174 min = 1;
166 luck = total = gotlucky = 0; 175 luck = total = gotlucky = 0;
167 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */ 176 int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
177
168 if (size < 2 || diff < 1) 178 if (size < 2 || diff < 1)
169 { 179 {
170 LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size); 180 LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);
171 return (num); /* avoids a float exception */ 181 return num; /* avoids a float exception */
172 } 182 }
173 183
174 if (op->type == PLAYER) 184 if (op->type == PLAYER)
175 luck = op->stats.luck; 185 luck = op->stats.luck;
176 186
177 for (i = 0; i < num; i++) 187 for (i = 0; i < num; i++)
178 { 188 {
179 if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky) 189 if (rndm (base) < MIN (10, abs (luck)) && !gotlucky)
180 { 190 {
181 /* we have a winner */ 191 /* we have a winner */
182 gotlucky++; 192 gotlucky++;
183 ((luck > 0) ? (luck = 1) : (luck = -1)); 193 ((luck > 0) ? (luck = 1) : (luck = -1));
184 diff -= luck; 194 diff -= luck;
185 if (diff < 1) 195 if (diff < 1)
186 return (num); /*check again */ 196 return (num); /*check again */
187 ((goodbad) ? (min += luck) : (diff)); 197 ((goodbad) ? (min += luck) : (diff));
188 ran = RANDOM ();
189 total += MAX (1, MIN (size, (ran % diff) + min)); 198 total += MAX (1, MIN (size, rndm (diff) + min));
190 } 199 }
191 else 200 else
192 {
193 total += RANDOM () % size + 1; 201 total += rndm (size) + 1;
194 }
195 } 202 }
203
196 return (total); 204 return total;
197}
198
199/* decay and destroy perishable items in a map */
200void
201maptile::decay_objects ()
202{
203 if (!spaces)
204 return;
205
206 for (mapspace *ms = spaces + size (); ms-- > spaces; )
207 for (object *above, *op = ms->bot; op; op = above)
208 {
209 above = op->above;
210
211 bool destroy = 0;
212
213 // do not decay anything above unique floor tiles (yet :)
214 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
215 break;
216
217 if (QUERY_FLAG (op, FLAG_IS_FLOOR)
218 || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
219 || QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL)
220 || QUERY_FLAG (op, FLAG_UNIQUE)
221 || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
222 || QUERY_FLAG (op, FLAG_UNPAID)
223 || op->is_alive ())
224 ; // do not decay
225 else if (op->is_weapon ())
226 {
227 op->stats.dam--;
228 if (op->stats.dam < 0)
229 destroy = 1;
230 }
231 else if (op->is_armor ())
232 {
233 op->stats.ac--;
234 if (op->stats.ac < 0)
235 destroy = 1;
236 }
237 else if (op->type == FOOD)
238 {
239 op->stats.food -= rndm (5, 20);
240 if (op->stats.food < 0)
241 destroy = 1;
242 }
243 else
244 {
245 int mat = op->material;
246
247 if (mat & M_PAPER
248 || mat & M_LEATHER
249 || mat & M_WOOD
250 || mat & M_ORGANIC
251 || mat & M_CLOTH
252 || mat & M_LIQUID
253 || (mat & M_IRON && rndm (1, 5) == 1)
254 || (mat & M_GLASS && rndm (1, 2) == 1)
255 || ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1)
256 || ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1)
257 || (mat & M_ICE && temp > 32))
258 destroy = 1;
259 }
260
261 /* adjust overall chance below */
262 if (destroy && rndm (0, 1))
263 op->destroy ();
264 }
265} 205}
266 206
267/* convert materialname to materialtype_t */ 207/* convert materialname to materialtype_t */
268 208
269materialtype_t * 209materialtype_t *
270name_to_material (const char *name) 210name_to_material (const shstr_cmp name)
271{ 211{
272 materialtype_t *mt, *nmt; 212 for (materialtype_t *mt = materialt; mt; mt = mt->next)
213 if (name == mt->name)
214 return mt;
273 215
274 mt = NULL;
275 for (nmt = materialt; nmt != NULL && nmt->next != NULL; nmt = nmt->next)
276 {
277 if (strcmp (name, nmt->name) == 0)
278 {
279 mt = nmt;
280 break;
281 }
282 }
283 return mt; 216 return 0;
284} 217}
285 218
286/* when doing transmutation of objects, we have to recheck the resistances, 219/* when doing transmutation of objects, we have to recheck the resistances,
287 * as some that did not apply previously, may apply now. 220 * as some that did not apply previously, may apply now.
288 */ 221 */
289
290void 222void
291transmute_materialname (object *op, const object *change) 223transmute_materialname (object *op, const object *change)
292{ 224{
293 materialtype_t *mt; 225 materialtype_t *mt;
294 int j; 226 int j;
295 227
296 if (op->materialname == NULL) 228 if (!op->materialname)
297 return; 229 return;
298 230
299 if (change->materialname != NULL && strcmp (op->materialname, change->materialname)) 231 if (op->materialname != change->materialname)
300 return; 232 return;
301 233
302 if (!op->is_armor ()) 234 if (!op->is_armor ())
303 return; 235 return;
304 236
305 mt = name_to_material (op->materialname); 237 mt = name_to_material (op->materialname);
306 if (!mt) 238 if (!mt)
307 { 239 {
308 LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->name, &op->name, &op->materialname); 240 LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->archname, &op->name, &op->materialname);
309 return; 241 return;
310 } 242 }
311 243
312 for (j = 0; j < NROFATTACKS; j++) 244 for (j = 0; j < NROFATTACKS; j++)
313 if (op->resist[j] == 0 && change->resist[j] != 0) 245 if (op->resist[j] == 0 && change->resist[j] != 0)
324void 256void
325set_materialname (object *op, int difficulty, materialtype_t *nmt) 257set_materialname (object *op, int difficulty, materialtype_t *nmt)
326{ 258{
327 materialtype_t *mt, *lmt; 259 materialtype_t *mt, *lmt;
328 260
329#ifdef NEW_MATERIAL_CODE
330 int j;
331#endif
332
333 if (op->materialname != NULL) 261 if (!op->materialname)
334 return; 262 return;
335 263
336 264 if (nmt)
337 265 lmt = nmt;
338 if (nmt == NULL) 266 else
339 { 267 {
340 lmt = NULL; 268 lmt = 0;
341#ifndef NEW_MATERIAL_CODE 269
342 for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next) 270 for (mt = materialt; mt; mt = mt->next)
343 { 271 if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
344 if (op->material & mt->material) 272 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
345 { 273 {
346 lmt = mt; 274 lmt = mt;
275 if (!(op->is_weapon () || op->is_armor ()))
347 break; 276 break;
348 } 277 }
349 }
350
351#else
352 for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)
353 {
354 if (op->material & mt->material && rndm (1, 100) <= mt->chance &&
355 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
356 {
357 lmt = mt;
358 if (!(op->is_weapon () || op->is_armor ()))
359 break;
360 }
361 }
362#endif
363 }
364 else
365 { 278 }
366 lmt = nmt; 279
280 if (lmt)
367 } 281 {
368
369 if (lmt != NULL)
370 {
371#ifndef NEW_MATERIAL_CODE
372 op->materialname = lmt->name;
373 return;
374#else
375
376 if (op->stats.dam && op->is_weapon ()) 282 if (op->stats.dam && op->is_weapon ())
377 { 283 {
378 op->stats.dam += lmt->damage; 284 op->stats.dam += lmt->damage;
379 if (op->stats.dam < 1) 285 if (op->stats.dam < 1)
380 op->stats.dam = 1; 286 op->stats.dam = 1;
381 } 287 }
288
382 if (op->stats.sp && op->type == BOW) 289 if (op->stats.sp && op->type == BOW)
383 op->stats.sp += lmt->sp; 290 op->stats.sp += lmt->sp;
384 if (op->stats.wc && op->is_weapon ()) 291 if (op->stats.wc && op->is_weapon ())
385 op->stats.wc += lmt->wc; 292 op->stats.wc += lmt->wc;
386 if (op->is_armor ()) 293 if (op->is_armor ())
387 { 294 {
388 if (op->stats.ac) 295 if (op->stats.ac)
389 op->stats.ac += lmt->ac; 296 op->stats.ac += lmt->ac;
297
390 for (j = 0; j < NROFATTACKS; j++) 298 for (int j = 0; j < NROFATTACKS; j++)
391 if (op->resist[j] != 0) 299 if (op->resist[j] != 0)
392 { 300 {
393 op->resist[j] += lmt->mod[j]; 301 op->resist[j] += lmt->mod[j];
394 if (op->resist[j] > 100) 302 if (op->resist[j] > 100)
395 op->resist[j] = 100; 303 op->resist[j] = 100;
396 if (op->resist[j] < -100) 304 if (op->resist[j] < -100)
397 op->resist[j] = -100; 305 op->resist[j] = -100;
398 } 306 }
399 } 307 }
308
400 op->materialname = add_string (lmt->name); 309 op->materialname = lmt->name;
401 /* dont make it unstackable if it doesn't need to be */ 310 /* dont make it unstackable if it doesn't need to be */
402 if (op->is_weapon () || op->is_armor ()) 311 if (op->is_weapon () || op->is_armor ())
403 { 312 {
404 op->weight = (op->weight * lmt->weight) / 100; 313 op->weight = (op->weight * lmt->weight) / 100;
405 op->value = (op->value * lmt->value) / 100; 314 op->value = (op->value * lmt->value) / 100;
406 } 315 }
407#endif
408 } 316 }
409} 317}
410 318
411/* 319/*
412 * Strip out the media tags from a String. 320 * Strip out the media tags from a String.
507 * a 'list' for the purposes here, is a string of items, seperated by commas, except 415 * a 'list' for the purposes here, is a string of items, seperated by commas, except
508 * for the last entry, which has an 'and' before it, and a full stop (period) after it. 416 * for the last entry, which has an 'and' before it, and a full stop (period) after it.
509 * This function will also strip all trailing non alphanumeric characters. 417 * This function will also strip all trailing non alphanumeric characters.
510 * It does not insert an oxford comma. 418 * It does not insert an oxford comma.
511 */ 419 */
512
513void 420void
514make_list_like (char *input) 421make_list_like (char *input)
515{ 422{
516 char *p, tmp[MAX_BUF]; 423 char *p, tmp[MAX_BUF];
517 int i; 424 int i;
547void 454void
548fork_abort (const char *msg) 455fork_abort (const char *msg)
549{ 456{
550 if (!fork ()) 457 if (!fork ())
551 { 458 {
459 signal (SIGINT , SIG_IGN);
460 signal (SIGTERM, SIG_IGN);
552 signal (SIGABRT, SIG_DFL); 461 signal (SIGABRT, SIG_IGN);
462
463 signal (SIGSEGV, SIG_DFL);
464 signal (SIGBUS , SIG_DFL);
465 signal (SIGILL , SIG_DFL);
466 signal (SIGTRAP, SIG_DFL);
467
468 // try to put corefiles into a subdirectory, if existing, to allow
469 // an administrator to reduce the I/O load.
470 chdir ("cores");
471
472 // try to detach us from as many external dependencies as possible
473 // as coredumping can take time by closing all fd's.
474 {
475 struct rlimit lim;
476
477 if (getrlimit (RLIMIT_NOFILE, &lim))
478 lim.rlim_cur = 1024;
479
480 for (int i = 0; i < lim.rlim_cur; ++i)
481 close (i);
482 }
483
484 {
485 sigset_t empty;
486 sigemptyset (&empty);
487 sigprocmask (SIG_SETMASK, &empty, 0);
488 }
489
490 // try to coredump with SIGTRAP
491 kill (getpid (), SIGTRAP);
553 abort (); 492 abort ();
554 } 493 }
555 494
556 LOG (llevError, "fork abort: %s\n", msg); 495 LOG (llevError, "fork abort: %s\n", msg);
557} 496}
561 void *ptr = g_slice_alloc (n); 500 void *ptr = g_slice_alloc (n);
562 501
563 if (!ptr) 502 if (!ptr)
564 throw std::bad_alloc (); 503 throw std::bad_alloc ();
565 504
505 slice_alloc += n;
566 return ptr; 506 return ptr;
567} 507}
568 508
569void *salloc_ (int n, void *src) throw (std::bad_alloc) 509void *salloc_ (int n, void *src) throw (std::bad_alloc)
570{ 510{
576 memset (ptr, 0, n); 516 memset (ptr, 0, n);
577 517
578 return ptr; 518 return ptr;
579} 519}
580 520
521/******************************************************************************/
522
523#if DEBUG_SALLOC
524
525#define MAGIC 0xa1b2c35543deadLL
526
527void *g_slice_alloc (unsigned long size)
528{
529 unsigned long *p = (unsigned long *) (g_slice_alloc)(size + sizeof (unsigned long));
530 *p++ = size ^ MAGIC;
531 //fprintf (stderr, "g_slice_alloc %ld %p\n", size, p);//D
532 return (void *)p;
533}
534
535void *g_slice_alloc0 (unsigned long size)
536{
537 return memset (g_slice_alloc (size), 0, size);
538}
539
540void g_slice_free1 (unsigned long size, void *ptr)
541{
542 //fprintf (stderr, "g_slice_free %ld %p\n", size, ptr);//D
543 if (expect_true (ptr))
544 {
545 unsigned long *p = (unsigned long *)ptr;
546 unsigned long s = *--p ^ MAGIC;
547
548 if (size != (unsigned long)(*p ^ MAGIC))
549 {
550 LOG (logBacktrace | llevError, "slice free size (%lx) doesn't match alloc size (%lx)\n", size, s);
551 abort ();
552 }
553
554 *p = MAGIC;
555
556 (g_slice_free1)(s + sizeof (unsigned long), p);
557 }
558}
559
560#endif
561
562/******************************************************************************/
563
581void assign (char *dst, const char *src, int maxlen) 564void assign (char *dst, const char *src, int maxlen)
582{ 565{
583 if (!src) 566 if (!src)
584 src = ""; 567 src = "";
585 568
600 } 583 }
601 else 584 else
602 memcpy (dst, src, len + 1); 585 memcpy (dst, src, len + 1);
603} 586}
604 587
588const char *
589format (const char *format, ...)
590{
591 static dynbuf_text buf;
592
593 buf.clear ();
594
595 va_list ap;
596 va_start (ap, format);
597 buf.vprintf (format, ap);
598 va_end (ap);
599
600 return buf;
601}
602
605tstamp now () 603tstamp now ()
606{ 604{
607 struct timeval tv; 605 struct timeval tv;
608 606
609 gettimeofday (&tv, 0); 607 gettimeofday (&tv, 0);
618 616
619 int diff = (b - a) & 7; 617 int diff = (b - a) & 7;
620 return diff <= 1 || diff >= 7; 618 return diff <= 1 || diff >= 7;
621} 619}
622 620
621/* crc32 0xdebb20e3 table and supplementary functions. */
622extern const uint32_t crc_32_tab[256] =
623{
624 0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,
625 0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL,
626 0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL,
627 0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL,
628 0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL,
629 0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL,
630 0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL,
631 0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL,
632 0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL,
633 0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL,
634 0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL,
635 0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL,
636 0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL,
637 0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL,
638 0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL,
639 0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL,
640 0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL,
641 0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL,
642 0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL,
643 0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL,
644 0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL,
645 0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL,
646 0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL,
647 0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL,
648 0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL,
649 0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL,
650 0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL,
651 0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL,
652 0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL,
653 0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL,
654 0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL,
655 0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL,
656 0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL,
657 0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL,
658 0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL,
659 0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL,
660 0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL,
661 0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL,
662 0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL,
663 0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL,
664 0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL,
665 0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL,
666 0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL,
667 0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL,
668 0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL,
669 0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL,
670 0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL,
671 0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL,
672 0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL,
673 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
674 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
675 0x2d02ef8dL
676};
677
678void thread::start (void *(*start_routine)(void *), void *arg)
679{
680 pthread_attr_t attr;
681
682 pthread_attr_init (&attr);
683 pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
684 pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096
685 ? sizeof (long) * 4096 : PTHREAD_STACK_MIN);
686#ifdef PTHREAD_SCOPE_PROCESS
687 pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
688#endif
689
690 sigset_t fullsigset, oldsigset;
691 sigfillset (&fullsigset);
692
693 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
694
695 if (pthread_create (&id, &attr, start_routine, arg))
696 cleanup ("unable to create a new thread");
697
698 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
699}
700

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