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Comparing deliantra/server/common/utils.C (file contents):
Revision 1.38 by root, Mon Jan 15 02:42:15 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
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
40#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}
41 79
42/* 80/*
43 * The random functions here take luck into account when rolling random 81 * The random functions here take luck into account when rolling random
44 * 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
45 * difference becomes in the random numbers. IE, the effect is lessened 83 * difference becomes in the random numbers. IE, the effect is lessened
52 * 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,
53 * 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.
54 * Generally, op should be the player/caster/hitter requesting the roll, 92 * Generally, op should be the player/caster/hitter requesting the roll,
55 * not the recipient (ie, the poor slob getting hit). [garbled 20010916] 93 * not the recipient (ie, the poor slob getting hit). [garbled 20010916]
56 */ 94 */
57
58int 95int
59random_roll (int min, int max, const object *op, int goodbad) 96random_roll (int r_min, int r_max, const object *op, int goodbad)
60{ 97{
61 int omin, diff, luck, base, ran; 98 int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */
62 99
63 omin = min; 100 if (r_max < r_min)
64 diff = max - min + 1;
65 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
66
67 if (max < 1 || diff < 1)
68 { 101 {
69 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);
70 return (min); /* avoids a float exception */ 133 return (min); /* avoids a float exception */
71 } 134 }
72 135
73 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);
74 141
75 if (op->type != PLAYER) 142 if (op->type != PLAYER)
76 return ((ran % diff) + min); 143 return ((ran % diff) + min);
77 144
78 luck = op->stats.luck; 145 int luck = op->stats.luck;
146
79 if (RANDOM () % base < MIN (10, abs (luck))) 147 if (rndm (base) < MIN (10, abs (luck)))
80 { 148 {
81 /* we have a winner */ 149 /* we have a winner */
82 ((luck > 0) ? (luck = 1) : (luck = -1)); 150 ((luck > 0) ? (luck = 1) : (luck = -1));
83 diff -= luck; 151 diff -= luck;
84 if (diff < 1) 152 if (diff < 1)
85 return (omin); /*check again */ 153 return (omin); /*check again */
154
86 ((goodbad) ? (min += luck) : (diff)); 155 ((goodbad) ? (min += luck) : (diff));
87 156
88 return (MAX (omin, MIN (max, (ran % diff) + min))); 157 return (MAX (omin, MIN (max, (ran % diff) + min)));
89 } 158 }
159
90 return ((ran % diff) + min); 160 return ran % diff + min;
91}
92
93/*
94 * This is a 64 bit version of random_roll above. This is needed
95 * for exp loss calculations for players changing religions.
96 */
97
98sint64
99random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)
100{
101 sint64 omin, diff, luck, ran;
102 int base;
103
104 omin = min;
105 diff = max - min + 1;
106 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
107
108 if (max < 1 || diff < 1)
109 {
110 LOG (llevError, "Calling random_roll with min=%" PRId64 " max=%" PRId64 "\n", min, max);
111 return (min); /* avoids a float exception */
112 }
113
114 /* Don't know of a portable call to get 64 bit random values.
115 * So make a call to get two 32 bit random numbers, and just to
116 * a little byteshifting. Do make sure the first one is only
117 * 32 bit, so we don't get skewed results
118 */
119 ran = (RANDOM () & 0xffffffff) | ((sint64) RANDOM () << 32);
120
121 if (op->type != PLAYER)
122 return ((ran % diff) + min);
123
124 luck = op->stats.luck;
125 if (RANDOM () % base < MIN (10, abs (luck)))
126 {
127 /* we have a winner */
128 ((luck > 0) ? (luck = 1) : (luck = -1));
129 diff -= luck;
130 if (diff < 1)
131 return (omin); /*check again */
132 ((goodbad) ? (min += luck) : (diff));
133
134 return (MAX (omin, MIN (max, (ran % diff) + min)));
135 }
136 return ((ran % diff) + min);
137} 161}
138 162
139/* 163/*
140 * 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,
141 * 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.
142 * Generally, op should be the player/caster/hitter requesting the roll, 166 * Generally, op should be the player/caster/hitter requesting the roll,
143 * not the recipient (ie, the poor slob getting hit). 167 * not the recipient (ie, the poor slob getting hit).
144 * The args are num D size (ie 4d6) [garbled 20010916] 168 * The args are num D size (ie 4d6) [garbled 20010916]
145 */ 169 */
146
147int 170int
148die_roll (int num, int size, const object *op, int goodbad) 171die_roll (int num, int size, const object *op, int goodbad)
149{ 172{
150 int min, diff, luck, total, i, gotlucky, base, ran; 173 int min, luck, total, i, gotlucky;
151 174
152 diff = size; 175 int diff = size;
153 min = 1; 176 min = 1;
154 luck = total = gotlucky = 0; 177 luck = total = gotlucky = 0;
155 ((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
156 if (size < 2 || diff < 1) 180 if (size < 2 || diff < 1)
157 { 181 {
158 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);
159 return (num); /* avoids a float exception */ 183 return num; /* avoids a float exception */
160 } 184 }
161 185
162 if (op->type == PLAYER) 186 if (op->type == PLAYER)
163 luck = op->stats.luck; 187 luck = op->stats.luck;
164 188
165 for (i = 0; i < num; i++) 189 for (i = 0; i < num; i++)
166 { 190 {
167 if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky) 191 if (rndm (base) < MIN (10, abs (luck)) && !gotlucky)
168 { 192 {
169 /* we have a winner */ 193 /* we have a winner */
170 gotlucky++; 194 gotlucky++;
171 ((luck > 0) ? (luck = 1) : (luck = -1)); 195 ((luck > 0) ? (luck = 1) : (luck = -1));
172 diff -= luck; 196 diff -= luck;
173 if (diff < 1) 197 if (diff < 1)
174 return (num); /*check again */ 198 return (num); /*check again */
175 ((goodbad) ? (min += luck) : (diff)); 199 ((goodbad) ? (min += luck) : (diff));
176 ran = RANDOM ();
177 total += MAX (1, MIN (size, (ran % diff) + min)); 200 total += MAX (1, MIN (size, rndm (diff) + min));
178 } 201 }
179 else 202 else
180 {
181 total += RANDOM () % size + 1; 203 total += rndm (size) + 1;
182 }
183 } 204 }
205
184 return (total); 206 return total;
185}
186
187/*
188 * Another convenience function. Returns a number between min and max.
189 * It is suggested one use these functions rather than RANDOM()%, as it
190 * would appear that a number of off-by-one-errors exist due to improper
191 * use of %. This should also prevent SIGFPE.
192 */
193
194int
195rndm (int min, int max)
196{
197 int diff;
198
199 diff = max - min + 1;
200 if (max < 1 || diff < 1)
201 return (min);
202
203 return (RANDOM () % diff + min);
204}
205
206/* decay and destroy perishable items in a map */
207void
208maptile::decay_objects ()
209{
210 if (!spaces)
211 return;
212
213 for (mapspace *ms = spaces + size (); ms-- > spaces; )
214 for (object *above, *op = ms->bot; op; op = above)
215 {
216 above = op->above;
217
218 bool destroy = 0;
219
220 // do not decay anything above unique floor tiles (yet :)
221 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
222 break;
223
224 if (QUERY_FLAG (op, FLAG_IS_FLOOR)
225 || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
226 || QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL)
227 || QUERY_FLAG (op, FLAG_UNIQUE)
228 || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
229 || QUERY_FLAG (op, FLAG_UNPAID)
230 || op->is_alive ())
231 ; // do not decay
232 else if (op->is_weapon ())
233 {
234 op->stats.dam--;
235 if (op->stats.dam < 0)
236 destroy = 1;
237 }
238 else if (op->is_armor ())
239 {
240 op->stats.ac--;
241 if (op->stats.ac < 0)
242 destroy = 1;
243 }
244 else if (op->type == FOOD)
245 {
246 op->stats.food -= rndm (5, 20);
247 if (op->stats.food < 0)
248 destroy = 1;
249 }
250 else
251 {
252 int mat = op->material;
253
254 if (mat & M_PAPER
255 || mat & M_LEATHER
256 || mat & M_WOOD
257 || mat & M_ORGANIC
258 || mat & M_CLOTH
259 || mat & M_LIQUID
260 || (mat & M_IRON && rndm (1, 5) == 1)
261 || (mat & M_GLASS && rndm (1, 2) == 1)
262 || ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1)
263 || ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1)
264 || (mat & M_ICE && temp > 32))
265 destroy = 1;
266 }
267
268 /* adjust overall chance below */
269 if (destroy && rndm (0, 1))
270 op->destroy ();
271 }
272} 207}
273 208
274/* convert materialname to materialtype_t */ 209/* convert materialname to materialtype_t */
275 210
276materialtype_t * 211materialtype_t *
277name_to_material (const char *name) 212name_to_material (const shstr &name)
278{ 213{
279 materialtype_t *mt, *nmt; 214 for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next)
215 if (name == mt->name)
216 return mt;
280 217
281 mt = NULL;
282 for (nmt = materialt; nmt != NULL && nmt->next != NULL; nmt = nmt->next)
283 {
284 if (strcmp (name, nmt->name) == 0)
285 {
286 mt = nmt;
287 break;
288 }
289 }
290 return mt; 218 return 0;
291} 219}
292 220
293/* when doing transmutation of objects, we have to recheck the resistances, 221/* when doing transmutation of objects, we have to recheck the resistances,
294 * as some that did not apply previously, may apply now. 222 * as some that did not apply previously, may apply now.
295 */ 223 */
296
297void 224void
298transmute_materialname (object *op, const object *change) 225transmute_materialname (object *op, const object *change)
299{ 226{
300 materialtype_t *mt; 227 materialtype_t *mt;
301 int j; 228 int j;
310 return; 237 return;
311 238
312 mt = name_to_material (op->materialname); 239 mt = name_to_material (op->materialname);
313 if (!mt) 240 if (!mt)
314 { 241 {
315 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);
316 return; 243 return;
317 } 244 }
318 245
319 for (j = 0; j < NROFATTACKS; j++) 246 for (j = 0; j < NROFATTACKS; j++)
320 if (op->resist[j] == 0 && change->resist[j] != 0) 247 if (op->resist[j] == 0 && change->resist[j] != 0)
331void 258void
332set_materialname (object *op, int difficulty, materialtype_t *nmt) 259set_materialname (object *op, int difficulty, materialtype_t *nmt)
333{ 260{
334 materialtype_t *mt, *lmt; 261 materialtype_t *mt, *lmt;
335 262
336#ifdef NEW_MATERIAL_CODE
337 int j;
338#endif
339
340 if (op->materialname != NULL) 263 if (op->materialname != NULL)
341 return; 264 return;
342 265
343
344
345 if (nmt == NULL) 266 if (nmt == NULL)
346 { 267 {
347 lmt = NULL; 268 lmt = NULL;
348#ifndef NEW_MATERIAL_CODE 269
349 for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next) 270 for (mt = materialt; mt && mt->next; mt = mt->next)
350 { 271 if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
351 if (op->material & mt->material) 272 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
352 { 273 {
353 lmt = mt; 274 lmt = mt;
275 if (!(op->is_weapon () || op->is_armor ()))
354 break; 276 break;
355 } 277 }
356 }
357
358#else
359 for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)
360 {
361 if (op->material & mt->material && rndm (1, 100) <= mt->chance &&
362 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
363 {
364 lmt = mt;
365 if (!(op->is_weapon () || op->is_armor ()))
366 break;
367 }
368 }
369#endif
370 } 278 }
371 else 279 else
372 {
373 lmt = nmt; 280 lmt = nmt;
374 }
375 281
376 if (lmt != NULL) 282 if (lmt != NULL)
377 { 283 {
378#ifndef NEW_MATERIAL_CODE
379 op->materialname = lmt->name;
380 return;
381#else
382
383 if (op->stats.dam && op->is_weapon ()) 284 if (op->stats.dam && op->is_weapon ())
384 { 285 {
385 op->stats.dam += lmt->damage; 286 op->stats.dam += lmt->damage;
386 if (op->stats.dam < 1) 287 if (op->stats.dam < 1)
387 op->stats.dam = 1; 288 op->stats.dam = 1;
388 } 289 }
290
389 if (op->stats.sp && op->type == BOW) 291 if (op->stats.sp && op->type == BOW)
390 op->stats.sp += lmt->sp; 292 op->stats.sp += lmt->sp;
391 if (op->stats.wc && op->is_weapon ()) 293 if (op->stats.wc && op->is_weapon ())
392 op->stats.wc += lmt->wc; 294 op->stats.wc += lmt->wc;
393 if (op->is_armor ()) 295 if (op->is_armor ())
394 { 296 {
395 if (op->stats.ac) 297 if (op->stats.ac)
396 op->stats.ac += lmt->ac; 298 op->stats.ac += lmt->ac;
299
397 for (j = 0; j < NROFATTACKS; j++) 300 for (int j = 0; j < NROFATTACKS; j++)
398 if (op->resist[j] != 0) 301 if (op->resist[j] != 0)
399 { 302 {
400 op->resist[j] += lmt->mod[j]; 303 op->resist[j] += lmt->mod[j];
401 if (op->resist[j] > 100) 304 if (op->resist[j] > 100)
402 op->resist[j] = 100; 305 op->resist[j] = 100;
403 if (op->resist[j] < -100) 306 if (op->resist[j] < -100)
404 op->resist[j] = -100; 307 op->resist[j] = -100;
405 } 308 }
406 } 309 }
310
407 op->materialname = add_string (lmt->name); 311 op->materialname = lmt->name;
408 /* dont make it unstackable if it doesn't need to be */ 312 /* dont make it unstackable if it doesn't need to be */
409 if (op->is_weapon () || op->is_armor ()) 313 if (op->is_weapon () || op->is_armor ())
410 { 314 {
411 op->weight = (op->weight * lmt->weight) / 100; 315 op->weight = (op->weight * lmt->weight) / 100;
412 op->value = (op->value * lmt->value) / 100; 316 op->value = (op->value * lmt->value) / 100;
413 } 317 }
414#endif
415 } 318 }
416} 319}
417 320
418/* 321/*
419 * Strip out the media tags from a String. 322 * Strip out the media tags from a String.
514 * 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
515 * 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.
516 * This function will also strip all trailing non alphanumeric characters. 419 * This function will also strip all trailing non alphanumeric characters.
517 * It does not insert an oxford comma. 420 * It does not insert an oxford comma.
518 */ 421 */
519
520void 422void
521make_list_like (char *input) 423make_list_like (char *input)
522{ 424{
523 char *p, tmp[MAX_BUF]; 425 char *p, tmp[MAX_BUF];
524 int i; 426 int i;
555fork_abort (const char *msg) 457fork_abort (const char *msg)
556{ 458{
557 if (!fork ()) 459 if (!fork ())
558 { 460 {
559 signal (SIGABRT, SIG_DFL); 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");
560 abort (); 465 abort ();
561 } 466 }
562 467
563 LOG (llevError, "fork abort: %s\n", msg); 468 LOG (llevError, "fork abort: %s\n", msg);
564} 469}
568 void *ptr = g_slice_alloc (n); 473 void *ptr = g_slice_alloc (n);
569 474
570 if (!ptr) 475 if (!ptr)
571 throw std::bad_alloc (); 476 throw std::bad_alloc ();
572 477
478 slice_alloc += n;
573 return ptr; 479 return ptr;
574} 480}
575 481
576void *salloc_ (int n, void *src) throw (std::bad_alloc) 482void *salloc_ (int n, void *src) throw (std::bad_alloc)
577{ 483{
583 memset (ptr, 0, n); 489 memset (ptr, 0, n);
584 490
585 return ptr; 491 return ptr;
586} 492}
587 493
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
588void assign (char *dst, const char *src, int maxlen) 537void assign (char *dst, const char *src, int maxlen)
589{ 538{
590 if (!src) 539 if (!src)
591 src = ""; 540 src = "";
592 541
607 } 556 }
608 else 557 else
609 memcpy (dst, src, len + 1); 558 memcpy (dst, src, len + 1);
610} 559}
611 560
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
612tstamp now () 576tstamp now ()
613{ 577{
614 struct timeval tv; 578 struct timeval tv;
615 579
616 gettimeofday (&tv, 0); 580 gettimeofday (&tv, 0);
625 589
626 int diff = (b - a) & 7; 590 int diff = (b - a) & 7;
627 return diff <= 1 || diff >= 7; 591 return diff <= 1 || diff >= 7;
628} 592}
629 593
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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