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 1.40 by root, Thu Jan 18 19:32:37 2007 UTC vs.
Revision 1.81 by root, Wed Sep 10 21:29:39 2008 UTC

1/* 1/*
2 * CrossFire, A Multiplayer game for X-windows 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team 4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (C) 2002 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU General Public License 18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 * 20 *
22 * The authors can be reached via e-mail at <crossfire@schmorp.de> 21 * The authors can be reached via e-mail to <support@deliantra.net>
23 */ 22 */
24 23
25/* 24/*
26 * General convenience functions for crossfire. 25 * General convenience functions for crossfire.
27 */ 26 */
32#include <sys/time.h> 31#include <sys/time.h>
33#include <time.h> 32#include <time.h>
34#include <signal.h> 33#include <signal.h>
35 34
36#include <global.h> 35#include <global.h>
37#include <funcpoint.h>
38#include <material.h> 36#include <material.h>
39 37
38#include <sys/time.h>
39#include <sys/resource.h>
40
40#include <glib.h> 41#include <glib.h>
41 42
42rand_gen rndm (time (0)); 43refcnt_base::refcnt_t refcnt_dummy;
44ssize_t slice_alloc;
45rand_gen rndm, rmg_rndm;
43 46
47void
44tausworthe_random_generator::tausworthe_random_generator (uint32_t seed) 48tausworthe_random_generator::seed (uint32_t seed)
45{ 49{
46 state [0] = max ( 2, seed * 69069U); 50 state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U;
47 state [1] = max ( 8, state [0] * 69069U); 51 state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U;
48 state [2] = max ( 16, state [1] * 69069U); 52 state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U;
49 state [3] = max (128, state [2] * 69069U); 53 state [3] = state [2] * 69069U; if (state [0] < 128U) state [0] += 128U;
50 54
51 for (int i = 11; --i; ) 55 for (int i = 11; --i; )
52 operator ()(); 56 operator ()();
53} 57}
54 58
59 state [1] = ((state [1] & 0xFFFFFFF8U) << 2U) ^ (((state [1] << 2U) ^ state [1]) >> 27U); 63 state [1] = ((state [1] & 0xFFFFFFF8U) << 2U) ^ (((state [1] << 2U) ^ state [1]) >> 27U);
60 state [2] = ((state [2] & 0xFFFFFFF0U) << 7U) ^ (((state [2] << 13U) ^ state [2]) >> 21U); 64 state [2] = ((state [2] & 0xFFFFFFF0U) << 7U) ^ (((state [2] << 13U) ^ state [2]) >> 21U);
61 state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U); 65 state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U);
62 66
63 return state [0] ^ state [1] ^ state [2] ^ state [3]; 67 return state [0] ^ state [1] ^ state [2] ^ state [3];
68}
69
70uint32_t
71tausworthe_random_generator::get_range (uint32_t num)
72{
73 return (next () * (uint64_t)num) >> 32U;
74}
75
76// return a number within (min .. max)
77int
78tausworthe_random_generator::get_range (int r_min, int r_max)
79{
80 return r_min + get_range (max (r_max - r_min + 1, 0));
64} 81}
65 82
66/* 83/*
67 * The random functions here take luck into account when rolling random 84 * The random functions here take luck into account when rolling random
68 * dice or numbers. This function has less of an impact the larger the 85 * dice or numbers. This function has less of an impact the larger the
77 * and if goodbad is non-zero, luck increases the roll, if zero, it decreases. 94 * and if goodbad is non-zero, luck increases the roll, if zero, it decreases.
78 * Generally, op should be the player/caster/hitter requesting the roll, 95 * Generally, op should be the player/caster/hitter requesting the roll,
79 * not the recipient (ie, the poor slob getting hit). [garbled 20010916] 96 * not the recipient (ie, the poor slob getting hit). [garbled 20010916]
80 */ 97 */
81int 98int
82random_roll (int min, int max, const object *op, int goodbad) 99random_roll (int r_min, int r_max, const object *op, int goodbad)
83{ 100{
84 int omin, diff, luck, base, ran; 101 r_max = max (r_min, r_max);
85 102
86 omin = min; 103 int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */
87 diff = max - min + 1;
88 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
89 104
90 if (max < 1 || diff < 1)
91 {
92 LOG (llevError, "Calling random_roll with min=%d max=%d\n", min, max);
93 return (min); /* avoids a float exception */
94 }
95
96 ran = RANDOM ();
97
98 if (op->type != PLAYER) 105 if (op->type == PLAYER)
99 return ((ran % diff) + min); 106 {
100
101 luck = op->stats.luck; 107 int luck = op->stats.luck;
102 if (RANDOM () % base < MIN (10, abs (luck))) 108
109 if (rndm (base) < min (10, abs (luck)))
110 {
111 //TODO: take luck into account
112 }
103 { 113 }
104 /* we have a winner */
105 ((luck > 0) ? (luck = 1) : (luck = -1));
106 diff -= luck;
107 if (diff < 1)
108 return (omin); /*check again */
109 ((goodbad) ? (min += luck) : (diff));
110 114
111 return (MAX (omin, MIN (max, (ran % diff) + min))); 115 return rndm (r_min, r_max);
112 }
113 return ((ran % diff) + min);
114} 116}
115 117
116/* 118/*
117 * This is a 64 bit version of random_roll above. This is needed 119 * This is a 64 bit version of random_roll above. This is needed
118 * for exp loss calculations for players changing religions. 120 * for exp loss calculations for players changing religions.
119 */ 121 */
120
121sint64 122sint64
122random_roll64 (sint64 min, sint64 max, const object *op, int goodbad) 123random_roll64 (sint64 r_min, sint64 r_max, const object *op, int goodbad)
123{ 124{
124 sint64 omin, diff, luck, ran; 125 sint64 omin = r_min;
125 int base; 126 sint64 range = max (0, r_max - r_min + 1);
127 int base = range > 2 ? 20 : 50; /* d2 and d3 are corner cases */
126 128
127 omin = min; 129 /*
128 diff = max - min + 1;
129 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
130
131 if (max < 1 || diff < 1)
132 {
133 LOG (llevError, "Calling random_roll with min=%" PRId64 " max=%" PRId64 "\n", min, max);
134 return (min); /* avoids a float exception */
135 }
136
137 /* Don't know of a portable call to get 64 bit random values.
138 * So make a call to get two 32 bit random numbers, and just to 130 * Make a call to get two 32 bit unsigned random numbers, and just to
139 * a little byteshifting. Do make sure the first one is only 131 * a little bitshifting.
140 * 32 bit, so we don't get skewed results
141 */ 132 */
142 ran = (RANDOM () & 0xffffffff) | ((sint64) RANDOM () << 32); 133 sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31);
143 134
144 if (op->type != PLAYER) 135 if (op->type != PLAYER)
145 return ((ran % diff) + min); 136 return ((ran % range) + r_min);
146 137
147 luck = op->stats.luck; 138 int luck = op->stats.luck;
139
148 if (RANDOM () % base < MIN (10, abs (luck))) 140 if (rndm (base) < min (10, abs (luck)))
149 { 141 {
150 /* we have a winner */ 142 /* we have a winner */
151 ((luck > 0) ? (luck = 1) : (luck = -1)); 143 ((luck > 0) ? (luck = 1) : (luck = -1));
152 diff -= luck; 144 range -= luck;
153 if (diff < 1) 145 if (range < 1)
154 return (omin); /*check again */ 146 return (omin); /*check again */
147
155 ((goodbad) ? (min += luck) : (diff)); 148 ((goodbad) ? (r_min += luck) : (range));
156 149
157 return (MAX (omin, MIN (max, (ran % diff) + min))); 150 return (max (omin, min (r_max, (ran % range) + r_min)));
158 } 151 }
159 return ((ran % diff) + min); 152
153 return ran % range + r_min;
160} 154}
161 155
162/* 156/*
163 * Roll a number of dice (2d3, 4d6). Uses op to determine luck, 157 * Roll a number of dice (2d3, 4d6). Uses op to determine luck,
164 * If goodbad is non-zero, luck increases the roll, if zero, it decreases. 158 * If goodbad is non-zero, luck increases the roll, if zero, it decreases.
165 * Generally, op should be the player/caster/hitter requesting the roll, 159 * Generally, op should be the player/caster/hitter requesting the roll,
166 * not the recipient (ie, the poor slob getting hit). 160 * not the recipient (ie, the poor slob getting hit).
167 * The args are num D size (ie 4d6) [garbled 20010916] 161 * The args are num D size (ie 4d6) [garbled 20010916]
168 */ 162 */
169
170int 163int
171die_roll (int num, int size, const object *op, int goodbad) 164die_roll (int num, int size, const object *op, int goodbad)
172{ 165{
173 int min, diff, luck, total, i, gotlucky, base, ran; 166 int min, luck, total, i, gotlucky;
174 167
175 diff = size; 168 int diff = size;
176 min = 1; 169 min = 1;
177 luck = total = gotlucky = 0; 170 luck = total = gotlucky = 0;
178 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */ 171 int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
172
179 if (size < 2 || diff < 1) 173 if (size < 2 || diff < 1)
180 { 174 {
181 LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size); 175 LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);
182 return (num); /* avoids a float exception */ 176 return num; /* avoids a float exception */
183 } 177 }
184 178
185 if (op->type == PLAYER) 179 if (op->type == PLAYER)
186 luck = op->stats.luck; 180 luck = op->stats.luck;
187 181
188 for (i = 0; i < num; i++) 182 for (i = 0; i < num; i++)
189 { 183 {
190 if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky) 184 if (rndm (base) < MIN (10, abs (luck)) && !gotlucky)
191 { 185 {
192 /* we have a winner */ 186 /* we have a winner */
193 gotlucky++; 187 gotlucky++;
194 ((luck > 0) ? (luck = 1) : (luck = -1)); 188 ((luck > 0) ? (luck = 1) : (luck = -1));
195 diff -= luck; 189 diff -= luck;
196 if (diff < 1) 190 if (diff < 1)
197 return (num); /*check again */ 191 return (num); /*check again */
198 ((goodbad) ? (min += luck) : (diff)); 192 ((goodbad) ? (min += luck) : (diff));
199 ran = RANDOM ();
200 total += MAX (1, MIN (size, (ran % diff) + min)); 193 total += MAX (1, MIN (size, rndm (diff) + min));
201 } 194 }
202 else 195 else
203 {
204 total += RANDOM () % size + 1; 196 total += rndm (size) + 1;
205 }
206 } 197 }
198
207 return (total); 199 return total;
208}
209
210/* decay and destroy perishable items in a map */
211void
212maptile::decay_objects ()
213{
214 if (!spaces)
215 return;
216
217 for (mapspace *ms = spaces + size (); ms-- > spaces; )
218 for (object *above, *op = ms->bot; op; op = above)
219 {
220 above = op->above;
221
222 bool destroy = 0;
223
224 // do not decay anything above unique floor tiles (yet :)
225 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
226 break;
227
228 if (QUERY_FLAG (op, FLAG_IS_FLOOR)
229 || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
230 || QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL)
231 || QUERY_FLAG (op, FLAG_UNIQUE)
232 || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
233 || QUERY_FLAG (op, FLAG_UNPAID)
234 || op->is_alive ())
235 ; // do not decay
236 else if (op->is_weapon ())
237 {
238 op->stats.dam--;
239 if (op->stats.dam < 0)
240 destroy = 1;
241 }
242 else if (op->is_armor ())
243 {
244 op->stats.ac--;
245 if (op->stats.ac < 0)
246 destroy = 1;
247 }
248 else if (op->type == FOOD)
249 {
250 op->stats.food -= rndm (5, 20);
251 if (op->stats.food < 0)
252 destroy = 1;
253 }
254 else
255 {
256 int mat = op->material;
257
258 if (mat & M_PAPER
259 || mat & M_LEATHER
260 || mat & M_WOOD
261 || mat & M_ORGANIC
262 || mat & M_CLOTH
263 || mat & M_LIQUID
264 || (mat & M_IRON && rndm (1, 5) == 1)
265 || (mat & M_GLASS && rndm (1, 2) == 1)
266 || ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1)
267 || ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1)
268 || (mat & M_ICE && temp > 32))
269 destroy = 1;
270 }
271
272 /* adjust overall chance below */
273 if (destroy && rndm (0, 1))
274 op->destroy ();
275 }
276} 200}
277 201
278/* convert materialname to materialtype_t */ 202/* convert materialname to materialtype_t */
279 203
280materialtype_t * 204materialtype_t *
281name_to_material (const char *name) 205name_to_material (const shstr &name)
282{ 206{
283 materialtype_t *mt, *nmt; 207 for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next)
208 if (name == mt->name)
209 return mt;
284 210
285 mt = NULL;
286 for (nmt = materialt; nmt != NULL && nmt->next != NULL; nmt = nmt->next)
287 {
288 if (strcmp (name, nmt->name) == 0)
289 {
290 mt = nmt;
291 break;
292 }
293 }
294 return mt; 211 return 0;
295} 212}
296 213
297/* when doing transmutation of objects, we have to recheck the resistances, 214/* when doing transmutation of objects, we have to recheck the resistances,
298 * as some that did not apply previously, may apply now. 215 * as some that did not apply previously, may apply now.
299 */ 216 */
300
301void 217void
302transmute_materialname (object *op, const object *change) 218transmute_materialname (object *op, const object *change)
303{ 219{
304 materialtype_t *mt; 220 materialtype_t *mt;
305 int j; 221 int j;
314 return; 230 return;
315 231
316 mt = name_to_material (op->materialname); 232 mt = name_to_material (op->materialname);
317 if (!mt) 233 if (!mt)
318 { 234 {
319 LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->name, &op->name, &op->materialname); 235 LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->archname, &op->name, &op->materialname);
320 return; 236 return;
321 } 237 }
322 238
323 for (j = 0; j < NROFATTACKS; j++) 239 for (j = 0; j < NROFATTACKS; j++)
324 if (op->resist[j] == 0 && change->resist[j] != 0) 240 if (op->resist[j] == 0 && change->resist[j] != 0)
335void 251void
336set_materialname (object *op, int difficulty, materialtype_t *nmt) 252set_materialname (object *op, int difficulty, materialtype_t *nmt)
337{ 253{
338 materialtype_t *mt, *lmt; 254 materialtype_t *mt, *lmt;
339 255
340#ifdef NEW_MATERIAL_CODE
341 int j;
342#endif
343
344 if (op->materialname != NULL) 256 if (op->materialname != NULL)
345 return; 257 return;
346 258
347
348
349 if (nmt == NULL) 259 if (nmt == NULL)
350 { 260 {
351 lmt = NULL; 261 lmt = NULL;
352#ifndef NEW_MATERIAL_CODE 262
353 for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next) 263 for (mt = materialt; mt && mt->next; mt = mt->next)
354 { 264 if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
355 if (op->material & mt->material) 265 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
356 { 266 {
357 lmt = mt; 267 lmt = mt;
268 if (!(op->is_weapon () || op->is_armor ()))
358 break; 269 break;
359 } 270 }
360 }
361
362#else
363 for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)
364 {
365 if (op->material & mt->material && rndm (1, 100) <= mt->chance &&
366 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
367 {
368 lmt = mt;
369 if (!(op->is_weapon () || op->is_armor ()))
370 break;
371 }
372 }
373#endif
374 } 271 }
375 else 272 else
376 {
377 lmt = nmt; 273 lmt = nmt;
378 }
379 274
380 if (lmt != NULL) 275 if (lmt != NULL)
381 { 276 {
382#ifndef NEW_MATERIAL_CODE
383 op->materialname = lmt->name;
384 return;
385#else
386
387 if (op->stats.dam && op->is_weapon ()) 277 if (op->stats.dam && op->is_weapon ())
388 { 278 {
389 op->stats.dam += lmt->damage; 279 op->stats.dam += lmt->damage;
390 if (op->stats.dam < 1) 280 if (op->stats.dam < 1)
391 op->stats.dam = 1; 281 op->stats.dam = 1;
392 } 282 }
283
393 if (op->stats.sp && op->type == BOW) 284 if (op->stats.sp && op->type == BOW)
394 op->stats.sp += lmt->sp; 285 op->stats.sp += lmt->sp;
395 if (op->stats.wc && op->is_weapon ()) 286 if (op->stats.wc && op->is_weapon ())
396 op->stats.wc += lmt->wc; 287 op->stats.wc += lmt->wc;
397 if (op->is_armor ()) 288 if (op->is_armor ())
398 { 289 {
399 if (op->stats.ac) 290 if (op->stats.ac)
400 op->stats.ac += lmt->ac; 291 op->stats.ac += lmt->ac;
292
401 for (j = 0; j < NROFATTACKS; j++) 293 for (int j = 0; j < NROFATTACKS; j++)
402 if (op->resist[j] != 0) 294 if (op->resist[j] != 0)
403 { 295 {
404 op->resist[j] += lmt->mod[j]; 296 op->resist[j] += lmt->mod[j];
405 if (op->resist[j] > 100) 297 if (op->resist[j] > 100)
406 op->resist[j] = 100; 298 op->resist[j] = 100;
407 if (op->resist[j] < -100) 299 if (op->resist[j] < -100)
408 op->resist[j] = -100; 300 op->resist[j] = -100;
409 } 301 }
410 } 302 }
303
411 op->materialname = add_string (lmt->name); 304 op->materialname = lmt->name;
412 /* dont make it unstackable if it doesn't need to be */ 305 /* dont make it unstackable if it doesn't need to be */
413 if (op->is_weapon () || op->is_armor ()) 306 if (op->is_weapon () || op->is_armor ())
414 { 307 {
415 op->weight = (op->weight * lmt->weight) / 100; 308 op->weight = (op->weight * lmt->weight) / 100;
416 op->value = (op->value * lmt->value) / 100; 309 op->value = (op->value * lmt->value) / 100;
417 } 310 }
418#endif
419 } 311 }
420} 312}
421 313
422/* 314/*
423 * Strip out the media tags from a String. 315 * Strip out the media tags from a String.
518 * a 'list' for the purposes here, is a string of items, seperated by commas, except 410 * a 'list' for the purposes here, is a string of items, seperated by commas, except
519 * for the last entry, which has an 'and' before it, and a full stop (period) after it. 411 * for the last entry, which has an 'and' before it, and a full stop (period) after it.
520 * This function will also strip all trailing non alphanumeric characters. 412 * This function will also strip all trailing non alphanumeric characters.
521 * It does not insert an oxford comma. 413 * It does not insert an oxford comma.
522 */ 414 */
523
524void 415void
525make_list_like (char *input) 416make_list_like (char *input)
526{ 417{
527 char *p, tmp[MAX_BUF]; 418 char *p, tmp[MAX_BUF];
528 int i; 419 int i;
558void 449void
559fork_abort (const char *msg) 450fork_abort (const char *msg)
560{ 451{
561 if (!fork ()) 452 if (!fork ())
562 { 453 {
454 fprintf (stderr, "background fork_abort in progress, remove me when debugged.\n");//D
455
456 signal (SIGINT , SIG_IGN);
457 signal (SIGTERM, SIG_IGN);
563 signal (SIGABRT, SIG_DFL); 458 signal (SIGABRT, SIG_IGN);
459
460 signal (SIGSEGV, SIG_DFL);
461 signal (SIGBUS , SIG_DFL);
462 signal (SIGILL , SIG_DFL);
463 signal (SIGTRAP, SIG_DFL);
464
465 // try to put corefiles into a subdirectory, if existing, to allow
466 // an administrator to reduce the I/O load.
467 chdir ("cores");
468
469 // try to detach us from as many external dependencies as possible
470 // as coredumping can take time by closing all fd's.
471 {
472 struct rlimit lim;
473
474 if (getrlimit (RLIMIT_NOFILE, &lim))
475 lim.rlim_cur = 1024;
476
477 for (int i = 0; i < lim.rlim_cur; ++i)
478 close (i);
479 }
480
481 {
482 sigset_t empty;
483 sigemptyset (&empty);
484 sigprocmask (SIG_SETMASK, &empty, 0);
485 }
486
487 // try to coredump with SIGTRAP
488 kill (getpid (), SIGTRAP);
564 abort (); 489 abort ();
565 } 490 }
566 491
567 LOG (llevError, "fork abort: %s\n", msg); 492 LOG (llevError, "fork abort: %s\n", msg);
568} 493}
572 void *ptr = g_slice_alloc (n); 497 void *ptr = g_slice_alloc (n);
573 498
574 if (!ptr) 499 if (!ptr)
575 throw std::bad_alloc (); 500 throw std::bad_alloc ();
576 501
502 slice_alloc += n;
577 return ptr; 503 return ptr;
578} 504}
579 505
580void *salloc_ (int n, void *src) throw (std::bad_alloc) 506void *salloc_ (int n, void *src) throw (std::bad_alloc)
581{ 507{
587 memset (ptr, 0, n); 513 memset (ptr, 0, n);
588 514
589 return ptr; 515 return ptr;
590} 516}
591 517
518/******************************************************************************/
519
520#if DEBUG_SALLOC
521
522#define MAGIC 0xa1b2c35543deadLL
523
524void *g_slice_alloc (unsigned long size)
525{
526 unsigned long *p = (unsigned long *) (g_slice_alloc)(size + sizeof (unsigned long));
527 *p++ = size ^ MAGIC;
528 //fprintf (stderr, "g_slice_alloc %ld %p\n", size, p);//D
529 return (void *)p;
530}
531
532void *g_slice_alloc0 (unsigned long size)
533{
534 return memset (g_slice_alloc (size), 0, size);
535}
536
537void g_slice_free1 (unsigned long size, void *ptr)
538{
539 //fprintf (stderr, "g_slice_free %ld %p\n", size, ptr);//D
540 if (expect_true (ptr))
541 {
542 unsigned long *p = (unsigned long *)ptr;
543 unsigned long s = *--p ^ MAGIC;
544
545 if (size != (unsigned long)(*p ^ MAGIC))
546 {
547 LOG (logBacktrace | llevError, "slice free size (%lx) doesn't match alloc size (%lx)\n", size, s);
548 abort ();
549 }
550
551 *p = MAGIC;
552
553 (g_slice_free1)(s + sizeof (unsigned long), p);
554 }
555}
556
557#endif
558
559/******************************************************************************/
560
592void assign (char *dst, const char *src, int maxlen) 561void assign (char *dst, const char *src, int maxlen)
593{ 562{
594 if (!src) 563 if (!src)
595 src = ""; 564 src = "";
596 565
611 } 580 }
612 else 581 else
613 memcpy (dst, src, len + 1); 582 memcpy (dst, src, len + 1);
614} 583}
615 584
585const char *
586format (const char *format, ...)
587{
588 static dynbuf_text buf;
589
590 buf.clear ();
591
592 va_list ap;
593 va_start (ap, format);
594 buf.vprintf (format, ap);
595 va_end (ap);
596
597 return buf;
598}
599
616tstamp now () 600tstamp now ()
617{ 601{
618 struct timeval tv; 602 struct timeval tv;
619 603
620 gettimeofday (&tv, 0); 604 gettimeofday (&tv, 0);
629 613
630 int diff = (b - a) & 7; 614 int diff = (b - a) & 7;
631 return diff <= 1 || diff >= 7; 615 return diff <= 1 || diff >= 7;
632} 616}
633 617
618/* crc32 0xdebb20e3 table and supplementary functions. */
619extern const uint32_t crc_32_tab[256] =
620{
621 0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,
622 0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL,
623 0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL,
624 0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL,
625 0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL,
626 0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL,
627 0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL,
628 0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL,
629 0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL,
630 0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL,
631 0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL,
632 0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL,
633 0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL,
634 0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL,
635 0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL,
636 0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL,
637 0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL,
638 0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL,
639 0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL,
640 0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL,
641 0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL,
642 0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL,
643 0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL,
644 0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL,
645 0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL,
646 0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL,
647 0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL,
648 0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL,
649 0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL,
650 0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL,
651 0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL,
652 0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL,
653 0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL,
654 0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL,
655 0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL,
656 0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL,
657 0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL,
658 0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL,
659 0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL,
660 0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL,
661 0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL,
662 0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL,
663 0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL,
664 0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL,
665 0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL,
666 0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL,
667 0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL,
668 0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL,
669 0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL,
670 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
671 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
672 0x2d02ef8dL
673};
674
675void thread::start (void *(*start_routine)(void *), void *arg)
676{
677 pthread_attr_t attr;
678
679 pthread_attr_init (&attr);
680 pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
681 pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096
682 ? sizeof (long) * 4096 : PTHREAD_STACK_MIN);
683#ifdef PTHREAD_SCOPE_PROCESS
684 pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
685#endif
686
687 sigset_t fullsigset, oldsigset;
688 sigfillset (&fullsigset);
689
690 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
691
692 if (pthread_create (&id, &attr, start_routine, arg))
693 cleanup ("unable to create a new thread");
694
695 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
696}
697

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines