ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/common/utils.C
(Generate patch)

Comparing deliantra/server/common/utils.C (file contents):
Revision 1.32 by root, Sat Dec 30 10:16:10 2006 UTC vs.
Revision 1.77 by root, Sun May 4 14:12:37 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 (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4 Copyright (C) 2002 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
5 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
6 7 *
7 This program is free software; you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify
8 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
9 the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version. 11 * (at your option) any later version.
11 12 *
12 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,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details. 16 * GNU General Public License for more details.
16 17 *
17 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
18 along with this program; if not, write to the Free Software 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 *
20 21 * The authors can be reached via e-mail to <support@deliantra.net>
21 The authors can be reached via e-mail at <crossfire@schmorp.de>
22*/ 22 */
23 23
24/* 24/*
25 * General convenience functions for crossfire. 25 * General convenience functions for crossfire.
26 */ 26 */
27 27
28#include <global.h> 28#include <cstdlib>
29#include <sys/types.h>
29#include <funcpoint.h> 30#include <unistd.h>
30#include <material.h>
31
32#include <sys/time.h> 31#include <sys/time.h>
33#include <time.h> 32#include <time.h>
33#include <signal.h>
34
35#include <global.h>
36#include <material.h>
37
34#include <glib.h> 38#include <glib.h>
39
40refcnt_base::refcnt_t refcnt_dummy;
41ssize_t slice_alloc;
42rand_gen rndm, rmg_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}
35 79
36/* 80/*
37 * The random functions here take luck into account when rolling random 81 * The random functions here take luck into account when rolling random
38 * 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
39 * difference becomes in the random numbers. IE, the effect is lessened 83 * difference becomes in the random numbers. IE, the effect is lessened
46 * 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,
47 * 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.
48 * Generally, op should be the player/caster/hitter requesting the roll, 92 * Generally, op should be the player/caster/hitter requesting the roll,
49 * not the recipient (ie, the poor slob getting hit). [garbled 20010916] 93 * not the recipient (ie, the poor slob getting hit). [garbled 20010916]
50 */ 94 */
51
52int 95int
53random_roll (int min, int max, const object *op, int goodbad) 96random_roll (int r_min, int r_max, const object *op, int goodbad)
54{ 97{
55 int omin, diff, luck, base, ran; 98 int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */
56 99
57 omin = min; 100 if (r_max < r_min)
58 diff = max - min + 1;
59 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
60
61 if (max < 1 || diff < 1)
62 { 101 {
63 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);
64 return (min); /* avoids a float exception */ 133 return (min); /* avoids a float exception */
65 } 134 }
66 135
67 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);
68 141
69 if (op->type != PLAYER) 142 if (op->type != PLAYER)
70 return ((ran % diff) + min); 143 return ((ran % diff) + min);
71 144
72 luck = op->stats.luck; 145 int luck = op->stats.luck;
146
73 if (RANDOM () % base < MIN (10, abs (luck))) 147 if (rndm (base) < MIN (10, abs (luck)))
74 { 148 {
75 /* we have a winner */ 149 /* we have a winner */
76 ((luck > 0) ? (luck = 1) : (luck = -1)); 150 ((luck > 0) ? (luck = 1) : (luck = -1));
77 diff -= luck; 151 diff -= luck;
78 if (diff < 1) 152 if (diff < 1)
79 return (omin); /*check again */ 153 return (omin); /*check again */
154
80 ((goodbad) ? (min += luck) : (diff)); 155 ((goodbad) ? (min += luck) : (diff));
81 156
82 return (MAX (omin, MIN (max, (ran % diff) + min))); 157 return (MAX (omin, MIN (max, (ran % diff) + min)));
83 } 158 }
159
84 return ((ran % diff) + min); 160 return ran % diff + min;
85}
86
87/*
88 * This is a 64 bit version of random_roll above. This is needed
89 * for exp loss calculations for players changing religions.
90 */
91
92sint64
93random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)
94{
95 sint64 omin, diff, luck, ran;
96 int base;
97
98 omin = min;
99 diff = max - min + 1;
100 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
101
102 if (max < 1 || diff < 1)
103 {
104 LOG (llevError, "Calling random_roll with min=%" PRId64 " max=%" PRId64 "\n", min, max);
105 return (min); /* avoids a float exception */
106 }
107
108 /* Don't know of a portable call to get 64 bit random values.
109 * So make a call to get two 32 bit random numbers, and just to
110 * a little byteshifting. Do make sure the first one is only
111 * 32 bit, so we don't get skewed results
112 */
113 ran = (RANDOM () & 0xffffffff) | ((sint64) RANDOM () << 32);
114
115 if (op->type != PLAYER)
116 return ((ran % diff) + min);
117
118 luck = op->stats.luck;
119 if (RANDOM () % base < MIN (10, abs (luck)))
120 {
121 /* we have a winner */
122 ((luck > 0) ? (luck = 1) : (luck = -1));
123 diff -= luck;
124 if (diff < 1)
125 return (omin); /*check again */
126 ((goodbad) ? (min += luck) : (diff));
127
128 return (MAX (omin, MIN (max, (ran % diff) + min)));
129 }
130 return ((ran % diff) + min);
131} 161}
132 162
133/* 163/*
134 * 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,
135 * 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.
136 * Generally, op should be the player/caster/hitter requesting the roll, 166 * Generally, op should be the player/caster/hitter requesting the roll,
137 * not the recipient (ie, the poor slob getting hit). 167 * not the recipient (ie, the poor slob getting hit).
138 * The args are num D size (ie 4d6) [garbled 20010916] 168 * The args are num D size (ie 4d6) [garbled 20010916]
139 */ 169 */
140
141int 170int
142die_roll (int num, int size, const object *op, int goodbad) 171die_roll (int num, int size, const object *op, int goodbad)
143{ 172{
144 int min, diff, luck, total, i, gotlucky, base, ran; 173 int min, luck, total, i, gotlucky;
145 174
146 diff = size; 175 int diff = size;
147 min = 1; 176 min = 1;
148 luck = total = gotlucky = 0; 177 luck = total = gotlucky = 0;
149 ((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
150 if (size < 2 || diff < 1) 180 if (size < 2 || diff < 1)
151 { 181 {
152 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);
153 return (num); /* avoids a float exception */ 183 return num; /* avoids a float exception */
154 } 184 }
155 185
156 if (op->type == PLAYER) 186 if (op->type == PLAYER)
157 luck = op->stats.luck; 187 luck = op->stats.luck;
158 188
159 for (i = 0; i < num; i++) 189 for (i = 0; i < num; i++)
160 { 190 {
161 if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky) 191 if (rndm (base) < MIN (10, abs (luck)) && !gotlucky)
162 { 192 {
163 /* we have a winner */ 193 /* we have a winner */
164 gotlucky++; 194 gotlucky++;
165 ((luck > 0) ? (luck = 1) : (luck = -1)); 195 ((luck > 0) ? (luck = 1) : (luck = -1));
166 diff -= luck; 196 diff -= luck;
167 if (diff < 1) 197 if (diff < 1)
168 return (num); /*check again */ 198 return (num); /*check again */
169 ((goodbad) ? (min += luck) : (diff)); 199 ((goodbad) ? (min += luck) : (diff));
170 ran = RANDOM ();
171 total += MAX (1, MIN (size, (ran % diff) + min)); 200 total += MAX (1, MIN (size, rndm (diff) + min));
172 } 201 }
173 else 202 else
174 {
175 total += RANDOM () % size + 1; 203 total += rndm (size) + 1;
176 }
177 } 204 }
205
178 return (total); 206 return total;
179}
180
181/*
182 * Another convenience function. Returns a number between min and max.
183 * It is suggested one use these functions rather than RANDOM()%, as it
184 * would appear that a number of off-by-one-errors exist due to improper
185 * use of %. This should also prevent SIGFPE.
186 */
187
188int
189rndm (int min, int max)
190{
191 int diff;
192
193 diff = max - min + 1;
194 if (max < 1 || diff < 1)
195 return (min);
196
197 return (RANDOM () % diff + min);
198}
199
200/* decay and destroy persihable items in a map */
201void
202maptile::decay_objects ()
203{
204 int x, y, destroy;
205 object *op, *otmp;
206
207 for (x = 0; x < width; x++)
208 for (y = 0; y < height; y++)
209 for (op = at (x, y).bot; op; op = otmp)
210 {
211 destroy = 0;
212 otmp = op->above;
213
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 continue;
225
226 /* otherwise, we decay and destroy */
227 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 if (op->material & M_PAPER || op->material & M_LEATHER ||
248 op->material & M_WOOD || op->material & M_ORGANIC || op->material & M_CLOTH || op->material & M_LIQUID)
249 destroy = 1;
250
251 if (op->material & M_IRON && rndm (1, 5) == 1)
252 destroy = 1;
253
254 if (op->material & M_GLASS && rndm (1, 2) == 1)
255 destroy = 1;
256
257 if ((op->material & M_STONE || op->material & M_ADAMANT) && rndm (1, 10) == 1)
258 destroy = 1;
259
260 if ((op->material & M_SOFT_METAL || op->material & M_BONE) && rndm (1, 3) == 1)
261 destroy = 1;
262
263 if (op->material & M_ICE && temp > 32)
264 destroy = 1;
265 }
266
267 /* adjust overall chance below */
268 if (destroy && rndm (0, 1))
269 op->destroy ();
270 }
271} 207}
272 208
273/* convert materialname to materialtype_t */ 209/* convert materialname to materialtype_t */
274 210
275materialtype_t * 211materialtype_t *
276name_to_material (const char *name) 212name_to_material (const shstr &name)
277{ 213{
278 materialtype_t *mt, *nmt; 214 for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next)
215 if (name == mt->name)
216 return mt;
279 217
280 mt = NULL;
281 for (nmt = materialt; nmt != NULL && nmt->next != NULL; nmt = nmt->next)
282 {
283 if (strcmp (name, nmt->name) == 0)
284 {
285 mt = nmt;
286 break;
287 }
288 }
289 return mt; 218 return 0;
290} 219}
291 220
292/* when doing transmutation of objects, we have to recheck the resistances, 221/* when doing transmutation of objects, we have to recheck the resistances,
293 * as some that did not apply previously, may apply now. 222 * as some that did not apply previously, may apply now.
294 */ 223 */
295
296void 224void
297transmute_materialname (object *op, const object *change) 225transmute_materialname (object *op, const object *change)
298{ 226{
299 materialtype_t *mt; 227 materialtype_t *mt;
300 int j; 228 int j;
309 return; 237 return;
310 238
311 mt = name_to_material (op->materialname); 239 mt = name_to_material (op->materialname);
312 if (!mt) 240 if (!mt)
313 { 241 {
314 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);
315 return; 243 return;
316 } 244 }
317 245
318 for (j = 0; j < NROFATTACKS; j++) 246 for (j = 0; j < NROFATTACKS; j++)
319 if (op->resist[j] == 0 && change->resist[j] != 0) 247 if (op->resist[j] == 0 && change->resist[j] != 0)
330void 258void
331set_materialname (object *op, int difficulty, materialtype_t *nmt) 259set_materialname (object *op, int difficulty, materialtype_t *nmt)
332{ 260{
333 materialtype_t *mt, *lmt; 261 materialtype_t *mt, *lmt;
334 262
335#ifdef NEW_MATERIAL_CODE
336 int j;
337#endif
338
339 if (op->materialname != NULL) 263 if (op->materialname != NULL)
340 return; 264 return;
341 265
342
343
344 if (nmt == NULL) 266 if (nmt == NULL)
345 { 267 {
346 lmt = NULL; 268 lmt = NULL;
347#ifndef NEW_MATERIAL_CODE 269
348 for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next) 270 for (mt = materialt; mt && mt->next; mt = mt->next)
349 { 271 if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
350 if (op->material & mt->material) 272 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
351 { 273 {
352 lmt = mt; 274 lmt = mt;
275 if (!(op->is_weapon () || op->is_armor ()))
353 break; 276 break;
354 } 277 }
355 }
356
357#else
358 for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)
359 {
360 if (op->material & mt->material && rndm (1, 100) <= mt->chance &&
361 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
362 {
363 lmt = mt;
364 if (!(op->is_weapon () || op->is_armor ()))
365 break;
366 }
367 }
368#endif
369 } 278 }
370 else 279 else
371 {
372 lmt = nmt; 280 lmt = nmt;
373 }
374 281
375 if (lmt != NULL) 282 if (lmt != NULL)
376 { 283 {
377#ifndef NEW_MATERIAL_CODE
378 op->materialname = lmt->name;
379 return;
380#else
381
382 if (op->stats.dam && op->is_weapon ()) 284 if (op->stats.dam && op->is_weapon ())
383 { 285 {
384 op->stats.dam += lmt->damage; 286 op->stats.dam += lmt->damage;
385 if (op->stats.dam < 1) 287 if (op->stats.dam < 1)
386 op->stats.dam = 1; 288 op->stats.dam = 1;
387 } 289 }
290
388 if (op->stats.sp && op->type == BOW) 291 if (op->stats.sp && op->type == BOW)
389 op->stats.sp += lmt->sp; 292 op->stats.sp += lmt->sp;
390 if (op->stats.wc && op->is_weapon ()) 293 if (op->stats.wc && op->is_weapon ())
391 op->stats.wc += lmt->wc; 294 op->stats.wc += lmt->wc;
392 if (op->is_armor ()) 295 if (op->is_armor ())
393 { 296 {
394 if (op->stats.ac) 297 if (op->stats.ac)
395 op->stats.ac += lmt->ac; 298 op->stats.ac += lmt->ac;
299
396 for (j = 0; j < NROFATTACKS; j++) 300 for (int j = 0; j < NROFATTACKS; j++)
397 if (op->resist[j] != 0) 301 if (op->resist[j] != 0)
398 { 302 {
399 op->resist[j] += lmt->mod[j]; 303 op->resist[j] += lmt->mod[j];
400 if (op->resist[j] > 100) 304 if (op->resist[j] > 100)
401 op->resist[j] = 100; 305 op->resist[j] = 100;
402 if (op->resist[j] < -100) 306 if (op->resist[j] < -100)
403 op->resist[j] = -100; 307 op->resist[j] = -100;
404 } 308 }
405 } 309 }
310
406 op->materialname = add_string (lmt->name); 311 op->materialname = lmt->name;
407 /* dont make it unstackable if it doesn't need to be */ 312 /* dont make it unstackable if it doesn't need to be */
408 if (op->is_weapon () || op->is_armor ()) 313 if (op->is_weapon () || op->is_armor ())
409 { 314 {
410 op->weight = (op->weight * lmt->weight) / 100; 315 op->weight = (op->weight * lmt->weight) / 100;
411 op->value = (op->value * lmt->value) / 100; 316 op->value = (op->value * lmt->value) / 100;
412 } 317 }
413#endif
414 } 318 }
415} 319}
416 320
417/* 321/*
418 * Strip out the media tags from a String. 322 * Strip out the media tags from a String.
513 * 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
514 * 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.
515 * This function will also strip all trailing non alphanumeric characters. 419 * This function will also strip all trailing non alphanumeric characters.
516 * It does not insert an oxford comma. 420 * It does not insert an oxford comma.
517 */ 421 */
518
519void 422void
520make_list_like (char *input) 423make_list_like (char *input)
521{ 424{
522 char *p, tmp[MAX_BUF]; 425 char *p, tmp[MAX_BUF];
523 int i; 426 int i;
548 return; 451 return;
549} 452}
550 453
551///////////////////////////////////////////////////////////////////////////// 454/////////////////////////////////////////////////////////////////////////////
552 455
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
553void *salloc_ (int n) throw (std::bad_alloc) 471void *salloc_ (int n) throw (std::bad_alloc)
554{ 472{
555 void *ptr = g_slice_alloc (n); 473 void *ptr = g_slice_alloc (n);
556 474
557 if (!ptr) 475 if (!ptr)
558 throw std::bad_alloc (); 476 throw std::bad_alloc ();
559 477
478 slice_alloc += n;
560 return ptr; 479 return ptr;
561} 480}
562 481
563void *salloc_ (int n, void *src) throw (std::bad_alloc) 482void *salloc_ (int n, void *src) throw (std::bad_alloc)
564{ 483{
570 memset (ptr, 0, n); 489 memset (ptr, 0, n);
571 490
572 return ptr; 491 return ptr;
573} 492}
574 493
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
575void assign (char *dst, const char *src, int maxlen) 537void assign (char *dst, const char *src, int maxlen)
576{ 538{
577 if (!src) 539 if (!src)
578 src = ""; 540 src = "";
579 541
594 } 556 }
595 else 557 else
596 memcpy (dst, src, len + 1); 558 memcpy (dst, src, len + 1);
597} 559}
598 560
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
599tstamp now () 576tstamp now ()
600{ 577{
601 struct timeval tv; 578 struct timeval tv;
602 579
603 gettimeofday (&tv, 0); 580 gettimeofday (&tv, 0);
612 589
613 int diff = (b - a) & 7; 590 int diff = (b - a) & 7;
614 return diff <= 1 || diff >= 7; 591 return diff <= 1 || diff >= 7;
615} 592}
616 593
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

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines