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Comparing deliantra/server/common/utils.C (file contents):
Revision 1.36 by pippijn, Sat Jan 6 14:42:29 2007 UTC vs.
Revision 1.76 by root, Mon Apr 21 23:35:24 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. 20 *
21 21 * The authors can be reached via e-mail to <support@deliantra.net>
22 The authors can be reached via e-mail at <crossfire@schmorp.de>
23*/ 22 */
24 23
25/* 24/*
26 * General convenience functions for crossfire. 25 * General convenience functions for crossfire.
27 */ 26 */
28 27
29#include <global.h> 28#include <cstdlib>
29#include <sys/types.h>
30#include <funcpoint.h> 30#include <unistd.h>
31#include <material.h>
32
33#include <sys/time.h> 31#include <sys/time.h>
34#include <time.h> 32#include <time.h>
33#include <signal.h>
34
35#include <global.h>
36#include <material.h>
37
35#include <glib.h> 38#include <glib.h>
39
40refcnt_base::refcnt_t refcnt_dummy;
41ssize_t slice_alloc;
42rand_gen rndm;
43
44void
45tausworthe_random_generator::seed (uint32_t seed)
46{
47 state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U;
48 state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U;
49 state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U;
50 state [3] = state [2] * 69069U; if (state [0] < 128U) state [0] += 128U;
51
52 for (int i = 11; --i; )
53 operator ()();
54}
55
56uint32_t
57tausworthe_random_generator::next ()
58{
59 state [0] = ((state [0] & 0xFFFFFFFEU) << 18U) ^ (((state [0] << 6U) ^ state [0]) >> 13U);
60 state [1] = ((state [1] & 0xFFFFFFF8U) << 2U) ^ (((state [1] << 2U) ^ state [1]) >> 27U);
61 state [2] = ((state [2] & 0xFFFFFFF0U) << 7U) ^ (((state [2] << 13U) ^ state [2]) >> 21U);
62 state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U);
63
64 return state [0] ^ state [1] ^ state [2] ^ state [3];
65}
66
67uint32_t
68tausworthe_random_generator::get_range (uint32_t num)
69{
70 return (next () * (uint64_t)num) >> 32U;
71}
72
73// return a number within (min .. max)
74int
75tausworthe_random_generator::get_range (int r_min, int r_max)
76{
77 return r_min + get_range (max (r_max - r_min + 1, 0));
78}
36 79
37/* 80/*
38 * The random functions here take luck into account when rolling random 81 * The random functions here take luck into account when rolling random
39 * dice or numbers. This function has less of an impact the larger the 82 * dice or numbers. This function has less of an impact the larger the
40 * difference becomes in the random numbers. IE, the effect is lessened 83 * difference becomes in the random numbers. IE, the effect is lessened
47 * Roll a random number between min and max. Uses op to determine luck, 90 * Roll a random number between min and max. Uses op to determine luck,
48 * and if goodbad is non-zero, luck increases the roll, if zero, it decreases. 91 * and if goodbad is non-zero, luck increases the roll, if zero, it decreases.
49 * Generally, op should be the player/caster/hitter requesting the roll, 92 * Generally, op should be the player/caster/hitter requesting the roll,
50 * not the recipient (ie, the poor slob getting hit). [garbled 20010916] 93 * not the recipient (ie, the poor slob getting hit). [garbled 20010916]
51 */ 94 */
52
53int 95int
54random_roll (int min, int max, const object *op, int goodbad) 96random_roll (int r_min, int r_max, const object *op, int goodbad)
55{ 97{
56 int omin, diff, luck, base, ran; 98 int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */
57 99
58 omin = min; 100 if (r_max < r_min)
59 diff = max - min + 1;
60 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
61
62 if (max < 1 || diff < 1)
63 { 101 {
64 LOG (llevError, "Calling random_roll with min=%d max=%d\n", min, max); 102 LOG (llevError | logBacktrace, "Calling random_roll with min=%d max=%d\n", r_min, r_max);
103 return r_min;
104 }
105
106 if (op->type == PLAYER)
107 {
108 int luck = op->stats.luck;
109
110 if (rndm (base) < min (10, abs (luck)))
111 {
112 //TODO: take luck into account
113 }
114 }
115
116 return rndm (r_min, r_max);
117}
118
119/*
120 * This is a 64 bit version of random_roll above. This is needed
121 * for exp loss calculations for players changing religions.
122 */
123sint64
124random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)
125{
126 sint64 omin = min;
127 sint64 diff = max - min + 1;
128 int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
129
130 if (diff < 0)
131 {
132 LOG (llevError | logBacktrace, "Calling random_roll64 with min=%" PRId64 " max=%" PRId64 "\n", min, max);
65 return (min); /* avoids a float exception */ 133 return (min); /* avoids a float exception */
66 } 134 }
67 135
68 ran = RANDOM (); 136 /*
137 * Make a call to get two 32 bit unsigned random numbers, and just to
138 * a little bitshifting.
139 */
140 sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31);
69 141
70 if (op->type != PLAYER) 142 if (op->type != PLAYER)
71 return ((ran % diff) + min); 143 return ((ran % diff) + min);
72 144
73 luck = op->stats.luck; 145 int luck = op->stats.luck;
146
74 if (RANDOM () % base < MIN (10, abs (luck))) 147 if (rndm (base) < MIN (10, abs (luck)))
75 { 148 {
76 /* we have a winner */ 149 /* we have a winner */
77 ((luck > 0) ? (luck = 1) : (luck = -1)); 150 ((luck > 0) ? (luck = 1) : (luck = -1));
78 diff -= luck; 151 diff -= luck;
79 if (diff < 1) 152 if (diff < 1)
80 return (omin); /*check again */ 153 return (omin); /*check again */
154
81 ((goodbad) ? (min += luck) : (diff)); 155 ((goodbad) ? (min += luck) : (diff));
82 156
83 return (MAX (omin, MIN (max, (ran % diff) + min))); 157 return (MAX (omin, MIN (max, (ran % diff) + min)));
84 } 158 }
159
85 return ((ran % diff) + min); 160 return ran % diff + min;
86}
87
88/*
89 * This is a 64 bit version of random_roll above. This is needed
90 * for exp loss calculations for players changing religions.
91 */
92
93sint64
94random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)
95{
96 sint64 omin, diff, luck, ran;
97 int base;
98
99 omin = min;
100 diff = max - min + 1;
101 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
102
103 if (max < 1 || diff < 1)
104 {
105 LOG (llevError, "Calling random_roll with min=%" PRId64 " max=%" PRId64 "\n", min, max);
106 return (min); /* avoids a float exception */
107 }
108
109 /* Don't know of a portable call to get 64 bit random values.
110 * So make a call to get two 32 bit random numbers, and just to
111 * a little byteshifting. Do make sure the first one is only
112 * 32 bit, so we don't get skewed results
113 */
114 ran = (RANDOM () & 0xffffffff) | ((sint64) RANDOM () << 32);
115
116 if (op->type != PLAYER)
117 return ((ran % diff) + min);
118
119 luck = op->stats.luck;
120 if (RANDOM () % base < MIN (10, abs (luck)))
121 {
122 /* we have a winner */
123 ((luck > 0) ? (luck = 1) : (luck = -1));
124 diff -= luck;
125 if (diff < 1)
126 return (omin); /*check again */
127 ((goodbad) ? (min += luck) : (diff));
128
129 return (MAX (omin, MIN (max, (ran % diff) + min)));
130 }
131 return ((ran % diff) + min);
132} 161}
133 162
134/* 163/*
135 * Roll a number of dice (2d3, 4d6). Uses op to determine luck, 164 * Roll a number of dice (2d3, 4d6). Uses op to determine luck,
136 * If goodbad is non-zero, luck increases the roll, if zero, it decreases. 165 * If goodbad is non-zero, luck increases the roll, if zero, it decreases.
137 * Generally, op should be the player/caster/hitter requesting the roll, 166 * Generally, op should be the player/caster/hitter requesting the roll,
138 * not the recipient (ie, the poor slob getting hit). 167 * not the recipient (ie, the poor slob getting hit).
139 * The args are num D size (ie 4d6) [garbled 20010916] 168 * The args are num D size (ie 4d6) [garbled 20010916]
140 */ 169 */
141
142int 170int
143die_roll (int num, int size, const object *op, int goodbad) 171die_roll (int num, int size, const object *op, int goodbad)
144{ 172{
145 int min, diff, luck, total, i, gotlucky, base, ran; 173 int min, luck, total, i, gotlucky;
146 174
147 diff = size; 175 int diff = size;
148 min = 1; 176 min = 1;
149 luck = total = gotlucky = 0; 177 luck = total = gotlucky = 0;
150 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */ 178 int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
179
151 if (size < 2 || diff < 1) 180 if (size < 2 || diff < 1)
152 { 181 {
153 LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size); 182 LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);
154 return (num); /* avoids a float exception */ 183 return num; /* avoids a float exception */
155 } 184 }
156 185
157 if (op->type == PLAYER) 186 if (op->type == PLAYER)
158 luck = op->stats.luck; 187 luck = op->stats.luck;
159 188
160 for (i = 0; i < num; i++) 189 for (i = 0; i < num; i++)
161 { 190 {
162 if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky) 191 if (rndm (base) < MIN (10, abs (luck)) && !gotlucky)
163 { 192 {
164 /* we have a winner */ 193 /* we have a winner */
165 gotlucky++; 194 gotlucky++;
166 ((luck > 0) ? (luck = 1) : (luck = -1)); 195 ((luck > 0) ? (luck = 1) : (luck = -1));
167 diff -= luck; 196 diff -= luck;
168 if (diff < 1) 197 if (diff < 1)
169 return (num); /*check again */ 198 return (num); /*check again */
170 ((goodbad) ? (min += luck) : (diff)); 199 ((goodbad) ? (min += luck) : (diff));
171 ran = RANDOM ();
172 total += MAX (1, MIN (size, (ran % diff) + min)); 200 total += MAX (1, MIN (size, rndm (diff) + min));
173 } 201 }
174 else 202 else
175 {
176 total += RANDOM () % size + 1; 203 total += rndm (size) + 1;
177 }
178 } 204 }
205
179 return (total); 206 return total;
180}
181
182/*
183 * Another convenience function. Returns a number between min and max.
184 * It is suggested one use these functions rather than RANDOM()%, as it
185 * would appear that a number of off-by-one-errors exist due to improper
186 * use of %. This should also prevent SIGFPE.
187 */
188
189int
190rndm (int min, int max)
191{
192 int diff;
193
194 diff = max - min + 1;
195 if (max < 1 || diff < 1)
196 return (min);
197
198 return (RANDOM () % diff + min);
199}
200
201/* decay and destroy perishable items in a map */
202void
203maptile::decay_objects ()
204{
205 if (!spaces)
206 return;
207
208 for (mapspace *ms = spaces + size (); ms-- > spaces; )
209 for (object *above, *op = ms->bot; op; op = above)
210 {
211 above = op->above;
212
213 bool destroy = 0;
214
215 // do not decay anything above unique floor tiles (yet :)
216 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
217 break;
218
219 if (QUERY_FLAG (op, FLAG_IS_FLOOR)
220 || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
221 || QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL)
222 || QUERY_FLAG (op, FLAG_UNIQUE)
223 || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
224 || QUERY_FLAG (op, FLAG_UNPAID)
225 || op->is_alive ())
226 ; // do not decay
227 else if (op->is_weapon ())
228 {
229 op->stats.dam--;
230 if (op->stats.dam < 0)
231 destroy = 1;
232 }
233 else if (op->is_armor ())
234 {
235 op->stats.ac--;
236 if (op->stats.ac < 0)
237 destroy = 1;
238 }
239 else if (op->type == FOOD)
240 {
241 op->stats.food -= rndm (5, 20);
242 if (op->stats.food < 0)
243 destroy = 1;
244 }
245 else
246 {
247 int mat = op->material;
248
249 if (mat & M_PAPER
250 || mat & M_LEATHER
251 || mat & M_WOOD
252 || mat & M_ORGANIC
253 || mat & M_CLOTH
254 || mat & M_LIQUID
255 || (mat & M_IRON && rndm (1, 5) == 1)
256 || (mat & M_GLASS && rndm (1, 2) == 1)
257 || ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1)
258 || ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1)
259 || (mat & M_ICE && temp > 32))
260 destroy = 1;
261 }
262
263 /* adjust overall chance below */
264 if (destroy && rndm (0, 1))
265 op->destroy ();
266 }
267} 207}
268 208
269/* convert materialname to materialtype_t */ 209/* convert materialname to materialtype_t */
270 210
271materialtype_t * 211materialtype_t *
272name_to_material (const char *name) 212name_to_material (const shstr &name)
273{ 213{
274 materialtype_t *mt, *nmt; 214 for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next)
215 if (name == mt->name)
216 return mt;
275 217
276 mt = NULL;
277 for (nmt = materialt; nmt != NULL && nmt->next != NULL; nmt = nmt->next)
278 {
279 if (strcmp (name, nmt->name) == 0)
280 {
281 mt = nmt;
282 break;
283 }
284 }
285 return mt; 218 return 0;
286} 219}
287 220
288/* when doing transmutation of objects, we have to recheck the resistances, 221/* when doing transmutation of objects, we have to recheck the resistances,
289 * as some that did not apply previously, may apply now. 222 * as some that did not apply previously, may apply now.
290 */ 223 */
291
292void 224void
293transmute_materialname (object *op, const object *change) 225transmute_materialname (object *op, const object *change)
294{ 226{
295 materialtype_t *mt; 227 materialtype_t *mt;
296 int j; 228 int j;
305 return; 237 return;
306 238
307 mt = name_to_material (op->materialname); 239 mt = name_to_material (op->materialname);
308 if (!mt) 240 if (!mt)
309 { 241 {
310 LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->name, &op->name, &op->materialname); 242 LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->archname, &op->name, &op->materialname);
311 return; 243 return;
312 } 244 }
313 245
314 for (j = 0; j < NROFATTACKS; j++) 246 for (j = 0; j < NROFATTACKS; j++)
315 if (op->resist[j] == 0 && change->resist[j] != 0) 247 if (op->resist[j] == 0 && change->resist[j] != 0)
326void 258void
327set_materialname (object *op, int difficulty, materialtype_t *nmt) 259set_materialname (object *op, int difficulty, materialtype_t *nmt)
328{ 260{
329 materialtype_t *mt, *lmt; 261 materialtype_t *mt, *lmt;
330 262
331#ifdef NEW_MATERIAL_CODE
332 int j;
333#endif
334
335 if (op->materialname != NULL) 263 if (op->materialname != NULL)
336 return; 264 return;
337 265
338
339
340 if (nmt == NULL) 266 if (nmt == NULL)
341 { 267 {
342 lmt = NULL; 268 lmt = NULL;
343#ifndef NEW_MATERIAL_CODE 269
344 for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next) 270 for (mt = materialt; mt && mt->next; mt = mt->next)
345 { 271 if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
346 if (op->material & mt->material) 272 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
347 { 273 {
348 lmt = mt; 274 lmt = mt;
275 if (!(op->is_weapon () || op->is_armor ()))
349 break; 276 break;
350 } 277 }
351 }
352
353#else
354 for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)
355 {
356 if (op->material & mt->material && rndm (1, 100) <= mt->chance &&
357 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
358 {
359 lmt = mt;
360 if (!(op->is_weapon () || op->is_armor ()))
361 break;
362 }
363 }
364#endif
365 } 278 }
366 else 279 else
367 {
368 lmt = nmt; 280 lmt = nmt;
369 }
370 281
371 if (lmt != NULL) 282 if (lmt != NULL)
372 { 283 {
373#ifndef NEW_MATERIAL_CODE
374 op->materialname = lmt->name;
375 return;
376#else
377
378 if (op->stats.dam && op->is_weapon ()) 284 if (op->stats.dam && op->is_weapon ())
379 { 285 {
380 op->stats.dam += lmt->damage; 286 op->stats.dam += lmt->damage;
381 if (op->stats.dam < 1) 287 if (op->stats.dam < 1)
382 op->stats.dam = 1; 288 op->stats.dam = 1;
383 } 289 }
290
384 if (op->stats.sp && op->type == BOW) 291 if (op->stats.sp && op->type == BOW)
385 op->stats.sp += lmt->sp; 292 op->stats.sp += lmt->sp;
386 if (op->stats.wc && op->is_weapon ()) 293 if (op->stats.wc && op->is_weapon ())
387 op->stats.wc += lmt->wc; 294 op->stats.wc += lmt->wc;
388 if (op->is_armor ()) 295 if (op->is_armor ())
389 { 296 {
390 if (op->stats.ac) 297 if (op->stats.ac)
391 op->stats.ac += lmt->ac; 298 op->stats.ac += lmt->ac;
299
392 for (j = 0; j < NROFATTACKS; j++) 300 for (int j = 0; j < NROFATTACKS; j++)
393 if (op->resist[j] != 0) 301 if (op->resist[j] != 0)
394 { 302 {
395 op->resist[j] += lmt->mod[j]; 303 op->resist[j] += lmt->mod[j];
396 if (op->resist[j] > 100) 304 if (op->resist[j] > 100)
397 op->resist[j] = 100; 305 op->resist[j] = 100;
398 if (op->resist[j] < -100) 306 if (op->resist[j] < -100)
399 op->resist[j] = -100; 307 op->resist[j] = -100;
400 } 308 }
401 } 309 }
310
402 op->materialname = add_string (lmt->name); 311 op->materialname = lmt->name;
403 /* dont make it unstackable if it doesn't need to be */ 312 /* dont make it unstackable if it doesn't need to be */
404 if (op->is_weapon () || op->is_armor ()) 313 if (op->is_weapon () || op->is_armor ())
405 { 314 {
406 op->weight = (op->weight * lmt->weight) / 100; 315 op->weight = (op->weight * lmt->weight) / 100;
407 op->value = (op->value * lmt->value) / 100; 316 op->value = (op->value * lmt->value) / 100;
408 } 317 }
409#endif
410 } 318 }
411} 319}
412 320
413/* 321/*
414 * Strip out the media tags from a String. 322 * Strip out the media tags from a String.
509 * a 'list' for the purposes here, is a string of items, seperated by commas, except 417 * a 'list' for the purposes here, is a string of items, seperated by commas, except
510 * for the last entry, which has an 'and' before it, and a full stop (period) after it. 418 * for the last entry, which has an 'and' before it, and a full stop (period) after it.
511 * This function will also strip all trailing non alphanumeric characters. 419 * This function will also strip all trailing non alphanumeric characters.
512 * It does not insert an oxford comma. 420 * It does not insert an oxford comma.
513 */ 421 */
514
515void 422void
516make_list_like (char *input) 423make_list_like (char *input)
517{ 424{
518 char *p, tmp[MAX_BUF]; 425 char *p, tmp[MAX_BUF];
519 int i; 426 int i;
544 return; 451 return;
545} 452}
546 453
547///////////////////////////////////////////////////////////////////////////// 454/////////////////////////////////////////////////////////////////////////////
548 455
456void
457fork_abort (const char *msg)
458{
459 if (!fork ())
460 {
461 signal (SIGABRT, SIG_DFL);
462 // try to put corefiles into a subdirectory, if existing, to allow
463 // an administrator to reduce the I/O load.
464 chdir ("cores");
465 abort ();
466 }
467
468 LOG (llevError, "fork abort: %s\n", msg);
469}
470
549void *salloc_ (int n) throw (std::bad_alloc) 471void *salloc_ (int n) throw (std::bad_alloc)
550{ 472{
551 void *ptr = g_slice_alloc (n); 473 void *ptr = g_slice_alloc (n);
552 474
553 if (!ptr) 475 if (!ptr)
554 throw std::bad_alloc (); 476 throw std::bad_alloc ();
555 477
478 slice_alloc += n;
556 return ptr; 479 return ptr;
557} 480}
558 481
559void *salloc_ (int n, void *src) throw (std::bad_alloc) 482void *salloc_ (int n, void *src) throw (std::bad_alloc)
560{ 483{
566 memset (ptr, 0, n); 489 memset (ptr, 0, n);
567 490
568 return ptr; 491 return ptr;
569} 492}
570 493
494/******************************************************************************/
495
496#if DEBUG_SALLOC
497
498#define MAGIC 0xa1b2c35543deadLL
499
500void *g_slice_alloc (unsigned long size)
501{
502 unsigned long *p = (unsigned long *) (g_slice_alloc)(size + sizeof (unsigned long));
503 *p++ = size ^ MAGIC;
504 //fprintf (stderr, "g_slice_alloc %ld %p\n", size, p);//D
505 return (void *)p;
506}
507
508void *g_slice_alloc0 (unsigned long size)
509{
510 return memset (g_slice_alloc (size), 0, size);
511}
512
513void g_slice_free1 (unsigned long size, void *ptr)
514{
515 //fprintf (stderr, "g_slice_free %ld %p\n", size, ptr);//D
516 if (expect_true (ptr))
517 {
518 unsigned long *p = (unsigned long *)ptr;
519 unsigned long s = *--p ^ MAGIC;
520
521 if (size != (unsigned long)(*p ^ MAGIC))
522 {
523 LOG (logBacktrace | llevError, "slice free size (%lx) doesn't match alloc size (%lx)\n", size, s);
524 abort ();
525 }
526
527 *p = MAGIC;
528
529 (g_slice_free1)(s + sizeof (unsigned long), p);
530 }
531}
532
533#endif
534
535/******************************************************************************/
536
571void assign (char *dst, const char *src, int maxlen) 537void assign (char *dst, const char *src, int maxlen)
572{ 538{
573 if (!src) 539 if (!src)
574 src = ""; 540 src = "";
575 541
590 } 556 }
591 else 557 else
592 memcpy (dst, src, len + 1); 558 memcpy (dst, src, len + 1);
593} 559}
594 560
561const char *
562format (const char *format, ...)
563{
564 static dynbuf_text buf;
565
566 buf.clear ();
567
568 va_list ap;
569 va_start (ap, format);
570 buf.vprintf (format, ap);
571 va_end (ap);
572
573 return buf;
574}
575
595tstamp now () 576tstamp now ()
596{ 577{
597 struct timeval tv; 578 struct timeval tv;
598 579
599 gettimeofday (&tv, 0); 580 gettimeofday (&tv, 0);
608 589
609 int diff = (b - a) & 7; 590 int diff = (b - a) & 7;
610 return diff <= 1 || diff >= 7; 591 return diff <= 1 || diff >= 7;
611} 592}
612 593
594/* crc32 0xdebb20e3 table and supplementary functions. */
595extern const uint32_t crc_32_tab[256] =
596{
597 0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,
598 0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL,
599 0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL,
600 0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL,
601 0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL,
602 0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL,
603 0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL,
604 0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL,
605 0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL,
606 0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL,
607 0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL,
608 0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL,
609 0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL,
610 0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL,
611 0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL,
612 0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL,
613 0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL,
614 0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL,
615 0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL,
616 0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL,
617 0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL,
618 0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL,
619 0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL,
620 0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL,
621 0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL,
622 0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL,
623 0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL,
624 0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL,
625 0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL,
626 0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL,
627 0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL,
628 0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL,
629 0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL,
630 0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL,
631 0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL,
632 0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL,
633 0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL,
634 0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL,
635 0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL,
636 0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL,
637 0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL,
638 0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL,
639 0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL,
640 0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL,
641 0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL,
642 0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL,
643 0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL,
644 0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL,
645 0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL,
646 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
647 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
648 0x2d02ef8dL
649};
650
651void thread::start (void *(*start_routine)(void *), void *arg)
652{
653 pthread_attr_t attr;
654
655 pthread_attr_init (&attr);
656 pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
657 pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096
658 ? sizeof (long) * 4096 : PTHREAD_STACK_MIN);
659#ifdef PTHREAD_SCOPE_PROCESS
660 pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
661#endif
662
663 sigset_t fullsigset, oldsigset;
664 sigfillset (&fullsigset);
665
666 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
667
668 if (pthread_create (&id, &attr, start_routine, arg))
669 cleanup ("unable to create a new thread");
670
671 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
672}
673

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