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 1.70 by root, Fri Jan 25 18:09:23 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 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
28#include <cstdlib>
29#include <sys/types.h>
30#include <unistd.h>
31#include <sys/time.h>
32#include <time.h>
33#include <signal.h>
27 34
28#include <global.h> 35#include <global.h>
29#include <funcpoint.h> 36#include <funcpoint.h>
30#include <material.h> 37#include <material.h>
31 38
32#include <sys/time.h>
33#include <time.h>
34#include <glib.h> 39#include <glib.h>
40
41refcnt_base::refcnt_t refcnt_dummy;
42size_t slice_alloc;
43rand_gen rndm;
44
45void
46tausworthe_random_generator::seed (uint32_t seed)
47{
48 state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U;
49 state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U;
50 state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U;
51 state [3] = state [2] * 69069U; if (state [0] < 128) state [0] += 128U;
52
53 for (int i = 11; --i; )
54 operator ()();
55}
56
57uint32_t
58tausworthe_random_generator::next ()
59{
60 state [0] = ((state [0] & 0xFFFFFFFEU) << 18U) ^ (((state [0] << 6U) ^ state [0]) >> 13U);
61 state [1] = ((state [1] & 0xFFFFFFF8U) << 2U) ^ (((state [1] << 2U) ^ state [1]) >> 27U);
62 state [2] = ((state [2] & 0xFFFFFFF0U) << 7U) ^ (((state [2] << 13U) ^ state [2]) >> 21U);
63 state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U);
64
65 return state [0] ^ state [1] ^ state [2] ^ state [3];
66}
67
68uint32_t
69tausworthe_random_generator::get_range (uint32_t num)
70{
71 return (next () * (uint64_t)num) >> 32U;
72}
73
74// return a number within (min .. max)
75int
76tausworthe_random_generator::get_range (int r_min, int r_max)
77{
78 return r_min + get_range (max (r_max - r_min + 1, 0));
79}
35 80
36/* 81/*
37 * The random functions here take luck into account when rolling random 82 * 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 83 * 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 84 * 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, 91 * 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. 92 * 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, 93 * Generally, op should be the player/caster/hitter requesting the roll,
49 * not the recipient (ie, the poor slob getting hit). [garbled 20010916] 94 * not the recipient (ie, the poor slob getting hit). [garbled 20010916]
50 */ 95 */
51
52int 96int
53random_roll (int min, int max, const object *op, int goodbad) 97random_roll (int r_min, int r_max, const object *op, int goodbad)
54{ 98{
55 int omin, diff, luck, base, ran; 99 int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */
56 100
57 omin = min; 101 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 { 102 {
63 LOG (llevError, "Calling random_roll with min=%d max=%d\n", min, max); 103 LOG (llevError | logBacktrace, "Calling random_roll with min=%d max=%d\n", r_min, r_max);
104 return r_min;
105 }
106
107 if (op->type == PLAYER)
108 {
109 int luck = op->stats.luck;
110
111 if (rndm (base) < min (10, abs (luck)))
112 {
113 //TODO: take luck into account
114 }
115 }
116
117 return rndm (r_min, r_max);
118}
119
120/*
121 * This is a 64 bit version of random_roll above. This is needed
122 * for exp loss calculations for players changing religions.
123 */
124sint64
125random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)
126{
127 sint64 omin = min;
128 sint64 diff = max - min + 1;
129 int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
130
131 if (diff < 0)
132 {
133 LOG (llevError | logBacktrace, "Calling random_roll64 with min=%" PRId64 " max=%" PRId64 "\n", min, max);
64 return (min); /* avoids a float exception */ 134 return (min); /* avoids a float exception */
65 } 135 }
66 136
67 ran = RANDOM (); 137 /*
138 * Make a call to get two 32 bit unsigned random numbers, and just to
139 * a little bitshifting.
140 */
141 sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31);
68 142
69 if (op->type != PLAYER) 143 if (op->type != PLAYER)
70 return ((ran % diff) + min); 144 return ((ran % diff) + min);
71 145
72 luck = op->stats.luck; 146 int luck = op->stats.luck;
147
73 if (RANDOM () % base < MIN (10, abs (luck))) 148 if (rndm (base) < MIN (10, abs (luck)))
74 { 149 {
75 /* we have a winner */ 150 /* we have a winner */
76 ((luck > 0) ? (luck = 1) : (luck = -1)); 151 ((luck > 0) ? (luck = 1) : (luck = -1));
77 diff -= luck; 152 diff -= luck;
78 if (diff < 1) 153 if (diff < 1)
79 return (omin); /*check again */ 154 return (omin); /*check again */
155
80 ((goodbad) ? (min += luck) : (diff)); 156 ((goodbad) ? (min += luck) : (diff));
81 157
82 return (MAX (omin, MIN (max, (ran % diff) + min))); 158 return (MAX (omin, MIN (max, (ran % diff) + min)));
83 } 159 }
160
84 return ((ran % diff) + min); 161 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} 162}
132 163
133/* 164/*
134 * Roll a number of dice (2d3, 4d6). Uses op to determine luck, 165 * Roll a number of dice (2d3, 4d6). Uses op to determine luck,
135 * If goodbad is non-zero, luck increases the roll, if zero, it decreases. 166 * If goodbad is non-zero, luck increases the roll, if zero, it decreases.
136 * Generally, op should be the player/caster/hitter requesting the roll, 167 * Generally, op should be the player/caster/hitter requesting the roll,
137 * not the recipient (ie, the poor slob getting hit). 168 * not the recipient (ie, the poor slob getting hit).
138 * The args are num D size (ie 4d6) [garbled 20010916] 169 * The args are num D size (ie 4d6) [garbled 20010916]
139 */ 170 */
140
141int 171int
142die_roll (int num, int size, const object *op, int goodbad) 172die_roll (int num, int size, const object *op, int goodbad)
143{ 173{
144 int min, diff, luck, total, i, gotlucky, base, ran; 174 int min, luck, total, i, gotlucky;
145 175
146 diff = size; 176 int diff = size;
147 min = 1; 177 min = 1;
148 luck = total = gotlucky = 0; 178 luck = total = gotlucky = 0;
149 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */ 179 int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
180
150 if (size < 2 || diff < 1) 181 if (size < 2 || diff < 1)
151 { 182 {
152 LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size); 183 LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);
153 return (num); /* avoids a float exception */ 184 return num; /* avoids a float exception */
154 } 185 }
155 186
156 if (op->type == PLAYER) 187 if (op->type == PLAYER)
157 luck = op->stats.luck; 188 luck = op->stats.luck;
158 189
159 for (i = 0; i < num; i++) 190 for (i = 0; i < num; i++)
160 { 191 {
161 if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky) 192 if (rndm (base) < MIN (10, abs (luck)) && !gotlucky)
162 { 193 {
163 /* we have a winner */ 194 /* we have a winner */
164 gotlucky++; 195 gotlucky++;
165 ((luck > 0) ? (luck = 1) : (luck = -1)); 196 ((luck > 0) ? (luck = 1) : (luck = -1));
166 diff -= luck; 197 diff -= luck;
167 if (diff < 1) 198 if (diff < 1)
168 return (num); /*check again */ 199 return (num); /*check again */
169 ((goodbad) ? (min += luck) : (diff)); 200 ((goodbad) ? (min += luck) : (diff));
170 ran = RANDOM ();
171 total += MAX (1, MIN (size, (ran % diff) + min)); 201 total += MAX (1, MIN (size, rndm (diff) + min));
172 } 202 }
173 else 203 else
174 {
175 total += RANDOM () % size + 1; 204 total += rndm (size) + 1;
176 }
177 } 205 }
206
178 return (total); 207 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} 208}
272 209
273/* convert materialname to materialtype_t */ 210/* convert materialname to materialtype_t */
274 211
275materialtype_t * 212materialtype_t *
276name_to_material (const char *name) 213name_to_material (const shstr &name)
277{ 214{
278 materialtype_t *mt, *nmt; 215 for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next)
216 if (name == mt->name)
217 return mt;
279 218
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; 219 return 0;
290} 220}
291 221
292/* when doing transmutation of objects, we have to recheck the resistances, 222/* when doing transmutation of objects, we have to recheck the resistances,
293 * as some that did not apply previously, may apply now. 223 * as some that did not apply previously, may apply now.
294 */ 224 */
295
296void 225void
297transmute_materialname (object *op, const object *change) 226transmute_materialname (object *op, const object *change)
298{ 227{
299 materialtype_t *mt; 228 materialtype_t *mt;
300 int j; 229 int j;
309 return; 238 return;
310 239
311 mt = name_to_material (op->materialname); 240 mt = name_to_material (op->materialname);
312 if (!mt) 241 if (!mt)
313 { 242 {
314 LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->name, &op->name, &op->materialname); 243 LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->archname, &op->name, &op->materialname);
315 return; 244 return;
316 } 245 }
317 246
318 for (j = 0; j < NROFATTACKS; j++) 247 for (j = 0; j < NROFATTACKS; j++)
319 if (op->resist[j] == 0 && change->resist[j] != 0) 248 if (op->resist[j] == 0 && change->resist[j] != 0)
330void 259void
331set_materialname (object *op, int difficulty, materialtype_t *nmt) 260set_materialname (object *op, int difficulty, materialtype_t *nmt)
332{ 261{
333 materialtype_t *mt, *lmt; 262 materialtype_t *mt, *lmt;
334 263
335#ifdef NEW_MATERIAL_CODE
336 int j;
337#endif
338
339 if (op->materialname != NULL) 264 if (op->materialname != NULL)
340 return; 265 return;
341 266
342
343
344 if (nmt == NULL) 267 if (nmt == NULL)
345 { 268 {
346 lmt = NULL; 269 lmt = NULL;
347#ifndef NEW_MATERIAL_CODE 270
348 for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next) 271 for (mt = materialt; mt && mt->next; mt = mt->next)
349 { 272 if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
350 if (op->material & mt->material) 273 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
351 { 274 {
352 lmt = mt; 275 lmt = mt;
276 if (!(op->is_weapon () || op->is_armor ()))
353 break; 277 break;
354 } 278 }
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 } 279 }
370 else 280 else
371 {
372 lmt = nmt; 281 lmt = nmt;
373 }
374 282
375 if (lmt != NULL) 283 if (lmt != NULL)
376 { 284 {
377#ifndef NEW_MATERIAL_CODE
378 op->materialname = lmt->name;
379 return;
380#else
381
382 if (op->stats.dam && op->is_weapon ()) 285 if (op->stats.dam && op->is_weapon ())
383 { 286 {
384 op->stats.dam += lmt->damage; 287 op->stats.dam += lmt->damage;
385 if (op->stats.dam < 1) 288 if (op->stats.dam < 1)
386 op->stats.dam = 1; 289 op->stats.dam = 1;
387 } 290 }
291
388 if (op->stats.sp && op->type == BOW) 292 if (op->stats.sp && op->type == BOW)
389 op->stats.sp += lmt->sp; 293 op->stats.sp += lmt->sp;
390 if (op->stats.wc && op->is_weapon ()) 294 if (op->stats.wc && op->is_weapon ())
391 op->stats.wc += lmt->wc; 295 op->stats.wc += lmt->wc;
392 if (op->is_armor ()) 296 if (op->is_armor ())
393 { 297 {
394 if (op->stats.ac) 298 if (op->stats.ac)
395 op->stats.ac += lmt->ac; 299 op->stats.ac += lmt->ac;
300
396 for (j = 0; j < NROFATTACKS; j++) 301 for (int j = 0; j < NROFATTACKS; j++)
397 if (op->resist[j] != 0) 302 if (op->resist[j] != 0)
398 { 303 {
399 op->resist[j] += lmt->mod[j]; 304 op->resist[j] += lmt->mod[j];
400 if (op->resist[j] > 100) 305 if (op->resist[j] > 100)
401 op->resist[j] = 100; 306 op->resist[j] = 100;
402 if (op->resist[j] < -100) 307 if (op->resist[j] < -100)
403 op->resist[j] = -100; 308 op->resist[j] = -100;
404 } 309 }
405 } 310 }
311
406 op->materialname = add_string (lmt->name); 312 op->materialname = lmt->name;
407 /* dont make it unstackable if it doesn't need to be */ 313 /* dont make it unstackable if it doesn't need to be */
408 if (op->is_weapon () || op->is_armor ()) 314 if (op->is_weapon () || op->is_armor ())
409 { 315 {
410 op->weight = (op->weight * lmt->weight) / 100; 316 op->weight = (op->weight * lmt->weight) / 100;
411 op->value = (op->value * lmt->value) / 100; 317 op->value = (op->value * lmt->value) / 100;
412 } 318 }
413#endif
414 } 319 }
415} 320}
416 321
417/* 322/*
418 * Strip out the media tags from a String. 323 * Strip out the media tags from a String.
513 * a 'list' for the purposes here, is a string of items, seperated by commas, except 418 * a 'list' for the purposes here, is a string of items, seperated by commas, except
514 * for the last entry, which has an 'and' before it, and a full stop (period) after it. 419 * for the last entry, which has an 'and' before it, and a full stop (period) after it.
515 * This function will also strip all trailing non alphanumeric characters. 420 * This function will also strip all trailing non alphanumeric characters.
516 * It does not insert an oxford comma. 421 * It does not insert an oxford comma.
517 */ 422 */
518
519void 423void
520make_list_like (char *input) 424make_list_like (char *input)
521{ 425{
522 char *p, tmp[MAX_BUF]; 426 char *p, tmp[MAX_BUF];
523 int i; 427 int i;
548 return; 452 return;
549} 453}
550 454
551///////////////////////////////////////////////////////////////////////////// 455/////////////////////////////////////////////////////////////////////////////
552 456
457void
458fork_abort (const char *msg)
459{
460 if (!fork ())
461 {
462 signal (SIGABRT, SIG_DFL);
463 // try to put corefiles into a subdirectory, if existing, to allow
464 // an administrator to reduce the I/O load.
465 chdir ("cores");
466 abort ();
467 }
468
469 LOG (llevError, "fork abort: %s\n", msg);
470}
471
553void *salloc_ (int n) throw (std::bad_alloc) 472void *salloc_ (int n) throw (std::bad_alloc)
554{ 473{
474#ifdef PREFER_MALLOC
475 void *ptr = malloc (n);
476#else
477 slice_alloc += n;
555 void *ptr = g_slice_alloc (n); 478 void *ptr = g_slice_alloc (n);
479#endif
556 480
557 if (!ptr) 481 if (!ptr)
558 throw std::bad_alloc (); 482 throw std::bad_alloc ();
559 483
560 return ptr; 484 return ptr;
570 memset (ptr, 0, n); 494 memset (ptr, 0, n);
571 495
572 return ptr; 496 return ptr;
573} 497}
574 498
499/******************************************************************************/
500
501#ifdef DEBUG_SALLOC
502
503#define MAGIC 0xa1b2c35543deadLL
504
505void *g_slice_alloc (unsigned long size)
506{
507 unsigned long *p = (unsigned long *) (g_slice_alloc)(size + sizeof (unsigned long));
508 *p++ = size ^ MAGIC;
509 //fprintf (stderr, "g_slice_alloc %ld %p\n", size, p);//D
510 return (void *)p;
511}
512
513void *g_slice_alloc0 (unsigned long size)
514{
515 return memset (g_slice_alloc (size), 0, size);
516}
517
518void g_slice_free1 (unsigned long size, void *ptr)
519{
520 if (expect_true (ptr))
521 {
522 //fprintf (stderr, "g_slice_free %ld %p\n", size, ptr);//D
523 unsigned long *p = (unsigned long *)ptr;
524 unsigned long s = *--p ^ MAGIC;
525
526 if ((*p ^ MAGIC) != size)
527 LOG (logBacktrace | llevError, "slice free size (%lx) doesn't match alloc size (%lx)\n", size, s);
528
529 *p = MAGIC;
530
531 (g_slice_free1)(s + sizeof (unsigned long), p);
532 }
533}
534
535#endif
536
537/******************************************************************************/
538
575void assign (char *dst, const char *src, int maxlen) 539void assign (char *dst, const char *src, int maxlen)
576{ 540{
577 if (!src) 541 if (!src)
578 src = ""; 542 src = "";
579 543
594 } 558 }
595 else 559 else
596 memcpy (dst, src, len + 1); 560 memcpy (dst, src, len + 1);
597} 561}
598 562
563const char *
564format (const char *format, ...)
565{
566 static dynbuf_text buf;
567
568 buf.clear ();
569
570 va_list ap;
571 va_start (ap, format);
572 buf.vprintf (format, ap);
573 va_end (ap);
574
575 return buf;
576}
577
599tstamp now () 578tstamp now ()
600{ 579{
601 struct timeval tv; 580 struct timeval tv;
602 581
603 gettimeofday (&tv, 0); 582 gettimeofday (&tv, 0);
612 591
613 int diff = (b - a) & 7; 592 int diff = (b - a) & 7;
614 return diff <= 1 || diff >= 7; 593 return diff <= 1 || diff >= 7;
615} 594}
616 595
596/* crc32 0xdebb20e3 table and supplementary functions. */
597extern const uint32_t crc_32_tab[256] =
598{
599 0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,
600 0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL,
601 0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL,
602 0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL,
603 0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL,
604 0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL,
605 0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL,
606 0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL,
607 0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL,
608 0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL,
609 0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL,
610 0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL,
611 0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL,
612 0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL,
613 0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL,
614 0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL,
615 0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL,
616 0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL,
617 0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL,
618 0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL,
619 0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL,
620 0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL,
621 0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL,
622 0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL,
623 0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL,
624 0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL,
625 0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL,
626 0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL,
627 0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL,
628 0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL,
629 0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL,
630 0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL,
631 0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL,
632 0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL,
633 0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL,
634 0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL,
635 0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL,
636 0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL,
637 0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL,
638 0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL,
639 0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL,
640 0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL,
641 0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL,
642 0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL,
643 0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL,
644 0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL,
645 0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL,
646 0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL,
647 0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL,
648 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
649 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
650 0x2d02ef8dL
651};
652

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines