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 1.36 by pippijn, Sat Jan 6 14:42:29 2007 UTC vs.
Revision 1.83 by root, Sun Dec 28 06:59:26 2008 UTC

1/* 1/*
2 CrossFire, A Multiplayer game for X-windows 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 3 *
4 Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team 4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 Copyright (C) 2002 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 7 *
8 This program is free software; you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version. 11 * (at your option) any later version.
12 12 *
13 This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details. 16 * GNU General Public License for more details.
17 17 *
18 You should have received a copy of the GNU General Public License 18 * You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 *
21 21 * The authors can be reached via e-mail to <support@deliantra.net>
22 The authors can be reached via e-mail at <crossfire@schmorp.de>
23*/ 22 */
24 23
25/* 24/*
26 * General convenience functions for crossfire. 25 * General convenience functions for crossfire.
27 */ 26 */
28 27
29#include <global.h> 28#include <cstdlib>
29#include <sys/types.h>
30#include <funcpoint.h> 30#include <unistd.h>
31#include <material.h>
32
33#include <sys/time.h> 31#include <sys/time.h>
34#include <time.h> 32#include <time.h>
33#include <signal.h>
34
35#include <global.h>
36#include <material.h>
37
38#include <sys/time.h>
39#include <sys/resource.h>
40
35#include <glib.h> 41#include <glib.h>
42
43refcnt_base::refcnt_t refcnt_dummy;
44ssize_t slice_alloc;
45rand_gen rndm, rmg_rndm;
46
47void
48tausworthe_random_generator::seed (uint32_t seed)
49{
50 state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U;
51 state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U;
52 state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U;
53 state [3] = state [2] * 69069U; if (state [0] < 128U) state [0] += 128U;
54
55 for (int i = 11; --i; )
56 operator ()();
57}
58
59uint32_t
60tausworthe_random_generator::next ()
61{
62 state [0] = ((state [0] & 0xFFFFFFFEU) << 18U) ^ (((state [0] << 6U) ^ state [0]) >> 13U);
63 state [1] = ((state [1] & 0xFFFFFFF8U) << 2U) ^ (((state [1] << 2U) ^ state [1]) >> 27U);
64 state [2] = ((state [2] & 0xFFFFFFF0U) << 7U) ^ (((state [2] << 13U) ^ state [2]) >> 21U);
65 state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U);
66
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));
81}
36 82
37/* 83/*
38 * The random functions here take luck into account when rolling random 84 * The random functions here take luck into account when rolling random
39 * dice or numbers. This function has less of an impact the larger the 85 * dice or numbers. This function has less of an impact the larger the
40 * difference becomes in the random numbers. IE, the effect is lessened 86 * difference becomes in the random numbers. IE, the effect is lessened
47 * Roll a random number between min and max. Uses op to determine luck, 93 * Roll a random number between min and max. Uses op to determine luck,
48 * and if goodbad is non-zero, luck increases the roll, if zero, it decreases. 94 * and if goodbad is non-zero, luck increases the roll, if zero, it decreases.
49 * Generally, op should be the player/caster/hitter requesting the roll, 95 * Generally, op should be the player/caster/hitter requesting the roll,
50 * not the recipient (ie, the poor slob getting hit). [garbled 20010916] 96 * not the recipient (ie, the poor slob getting hit). [garbled 20010916]
51 */ 97 */
52
53int 98int
54random_roll (int min, int max, const object *op, int goodbad) 99random_roll (int r_min, int r_max, const object *op, int goodbad)
55{ 100{
56 int omin, diff, luck, base, ran; 101 r_max = max (r_min, r_max);
57 102
58 omin = min; 103 int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */
59 diff = max - min + 1;
60 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
61 104
62 if (max < 1 || diff < 1)
63 {
64 LOG (llevError, "Calling random_roll with min=%d max=%d\n", min, max);
65 return (min); /* avoids a float exception */
66 }
67
68 ran = RANDOM ();
69
70 if (op->type != PLAYER) 105 if (op->type == PLAYER)
71 return ((ran % diff) + min); 106 {
72
73 luck = op->stats.luck; 107 int luck = op->stats.luck;
74 if (RANDOM () % base < MIN (10, abs (luck))) 108
109 if (rndm (base) < min (10, abs (luck)))
110 {
111 //TODO: take luck into account
112 }
75 { 113 }
76 /* we have a winner */
77 ((luck > 0) ? (luck = 1) : (luck = -1));
78 diff -= luck;
79 if (diff < 1)
80 return (omin); /*check again */
81 ((goodbad) ? (min += luck) : (diff));
82 114
83 return (MAX (omin, MIN (max, (ran % diff) + min))); 115 return rndm (r_min, r_max);
84 }
85 return ((ran % diff) + min);
86} 116}
87 117
88/* 118/*
89 * 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
90 * for exp loss calculations for players changing religions. 120 * for exp loss calculations for players changing religions.
91 */ 121 */
92
93sint64 122sint64
94random_roll64 (sint64 min, sint64 max, const object *op, int goodbad) 123random_roll64 (sint64 r_min, sint64 r_max, const object *op, int goodbad)
95{ 124{
96 sint64 omin, diff, luck, ran; 125 sint64 omin = r_min;
97 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 */
98 128
99 omin = min; 129 /*
100 diff = max - min + 1;
101 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
102
103 if (max < 1 || diff < 1)
104 {
105 LOG (llevError, "Calling random_roll with min=%" PRId64 " max=%" PRId64 "\n", min, max);
106 return (min); /* avoids a float exception */
107 }
108
109 /* Don't know of a portable call to get 64 bit random values.
110 * So make a call to get two 32 bit random numbers, and just to 130 * Make a call to get two 32 bit unsigned random numbers, and just to
111 * a little byteshifting. Do make sure the first one is only 131 * a little bitshifting.
112 * 32 bit, so we don't get skewed results
113 */ 132 */
114 ran = (RANDOM () & 0xffffffff) | ((sint64) RANDOM () << 32); 133 sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31);
115 134
116 if (op->type != PLAYER) 135 if (op->type != PLAYER)
117 return ((ran % diff) + min); 136 return ((ran % range) + r_min);
118 137
119 luck = op->stats.luck; 138 int luck = op->stats.luck;
139
120 if (RANDOM () % base < MIN (10, abs (luck))) 140 if (rndm (base) < min (10, abs (luck)))
121 { 141 {
122 /* we have a winner */ 142 /* we have a winner */
123 ((luck > 0) ? (luck = 1) : (luck = -1)); 143 ((luck > 0) ? (luck = 1) : (luck = -1));
124 diff -= luck; 144 range -= luck;
125 if (diff < 1) 145 if (range < 1)
126 return (omin); /*check again */ 146 return (omin); /*check again */
147
127 ((goodbad) ? (min += luck) : (diff)); 148 ((goodbad) ? (r_min += luck) : (range));
128 149
129 return (MAX (omin, MIN (max, (ran % diff) + min))); 150 return (max (omin, min (r_max, (ran % range) + r_min)));
130 } 151 }
131 return ((ran % diff) + min); 152
153 return ran % range + r_min;
132} 154}
133 155
134/* 156/*
135 * 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,
136 * 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.
137 * Generally, op should be the player/caster/hitter requesting the roll, 159 * Generally, op should be the player/caster/hitter requesting the roll,
138 * not the recipient (ie, the poor slob getting hit). 160 * not the recipient (ie, the poor slob getting hit).
139 * The args are num D size (ie 4d6) [garbled 20010916] 161 * The args are num D size (ie 4d6) [garbled 20010916]
140 */ 162 */
141
142int 163int
143die_roll (int num, int size, const object *op, int goodbad) 164die_roll (int num, int size, const object *op, int goodbad)
144{ 165{
145 int min, diff, luck, total, i, gotlucky, base, ran; 166 int min, luck, total, i, gotlucky;
146 167
147 diff = size; 168 int diff = size;
148 min = 1; 169 min = 1;
149 luck = total = gotlucky = 0; 170 luck = total = gotlucky = 0;
150 ((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
151 if (size < 2 || diff < 1) 173 if (size < 2 || diff < 1)
152 { 174 {
153 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);
154 return (num); /* avoids a float exception */ 176 return num; /* avoids a float exception */
155 } 177 }
156 178
157 if (op->type == PLAYER) 179 if (op->type == PLAYER)
158 luck = op->stats.luck; 180 luck = op->stats.luck;
159 181
160 for (i = 0; i < num; i++) 182 for (i = 0; i < num; i++)
161 { 183 {
162 if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky) 184 if (rndm (base) < MIN (10, abs (luck)) && !gotlucky)
163 { 185 {
164 /* we have a winner */ 186 /* we have a winner */
165 gotlucky++; 187 gotlucky++;
166 ((luck > 0) ? (luck = 1) : (luck = -1)); 188 ((luck > 0) ? (luck = 1) : (luck = -1));
167 diff -= luck; 189 diff -= luck;
168 if (diff < 1) 190 if (diff < 1)
169 return (num); /*check again */ 191 return (num); /*check again */
170 ((goodbad) ? (min += luck) : (diff)); 192 ((goodbad) ? (min += luck) : (diff));
171 ran = RANDOM ();
172 total += MAX (1, MIN (size, (ran % diff) + min)); 193 total += MAX (1, MIN (size, rndm (diff) + min));
173 } 194 }
174 else 195 else
175 {
176 total += RANDOM () % size + 1; 196 total += rndm (size) + 1;
177 }
178 } 197 }
198
179 return (total); 199 return total;
180}
181
182/*
183 * Another convenience function. Returns a number between min and max.
184 * It is suggested one use these functions rather than RANDOM()%, as it
185 * would appear that a number of off-by-one-errors exist due to improper
186 * use of %. This should also prevent SIGFPE.
187 */
188
189int
190rndm (int min, int max)
191{
192 int diff;
193
194 diff = max - min + 1;
195 if (max < 1 || diff < 1)
196 return (min);
197
198 return (RANDOM () % diff + min);
199}
200
201/* decay and destroy perishable items in a map */
202void
203maptile::decay_objects ()
204{
205 if (!spaces)
206 return;
207
208 for (mapspace *ms = spaces + size (); ms-- > spaces; )
209 for (object *above, *op = ms->bot; op; op = above)
210 {
211 above = op->above;
212
213 bool destroy = 0;
214
215 // do not decay anything above unique floor tiles (yet :)
216 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
217 break;
218
219 if (QUERY_FLAG (op, FLAG_IS_FLOOR)
220 || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
221 || QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL)
222 || QUERY_FLAG (op, FLAG_UNIQUE)
223 || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
224 || QUERY_FLAG (op, FLAG_UNPAID)
225 || op->is_alive ())
226 ; // do not decay
227 else if (op->is_weapon ())
228 {
229 op->stats.dam--;
230 if (op->stats.dam < 0)
231 destroy = 1;
232 }
233 else if (op->is_armor ())
234 {
235 op->stats.ac--;
236 if (op->stats.ac < 0)
237 destroy = 1;
238 }
239 else if (op->type == FOOD)
240 {
241 op->stats.food -= rndm (5, 20);
242 if (op->stats.food < 0)
243 destroy = 1;
244 }
245 else
246 {
247 int mat = op->material;
248
249 if (mat & M_PAPER
250 || mat & M_LEATHER
251 || mat & M_WOOD
252 || mat & M_ORGANIC
253 || mat & M_CLOTH
254 || mat & M_LIQUID
255 || (mat & M_IRON && rndm (1, 5) == 1)
256 || (mat & M_GLASS && rndm (1, 2) == 1)
257 || ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1)
258 || ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1)
259 || (mat & M_ICE && temp > 32))
260 destroy = 1;
261 }
262
263 /* adjust overall chance below */
264 if (destroy && rndm (0, 1))
265 op->destroy ();
266 }
267} 200}
268 201
269/* convert materialname to materialtype_t */ 202/* convert materialname to materialtype_t */
270 203
271materialtype_t * 204materialtype_t *
272name_to_material (const char *name) 205name_to_material (const shstr_cmp name)
273{ 206{
274 materialtype_t *mt, *nmt; 207 for (materialtype_t *mt = materialt; mt; mt = mt->next)
208 if (name == mt->name)
209 return mt;
275 210
276 mt = NULL;
277 for (nmt = materialt; nmt != NULL && nmt->next != NULL; nmt = nmt->next)
278 {
279 if (strcmp (name, nmt->name) == 0)
280 {
281 mt = nmt;
282 break;
283 }
284 }
285 return mt; 211 return 0;
286} 212}
287 213
288/* when doing transmutation of objects, we have to recheck the resistances, 214/* when doing transmutation of objects, we have to recheck the resistances,
289 * as some that did not apply previously, may apply now. 215 * as some that did not apply previously, may apply now.
290 */ 216 */
291
292void 217void
293transmute_materialname (object *op, const object *change) 218transmute_materialname (object *op, const object *change)
294{ 219{
295 materialtype_t *mt; 220 materialtype_t *mt;
296 int j; 221 int j;
297 222
298 if (op->materialname == NULL) 223 if (!op->materialname)
299 return; 224 return;
300 225
301 if (change->materialname != NULL && strcmp (op->materialname, change->materialname)) 226 if (change->materialname && strcmp (op->materialname, change->materialname))
302 return; 227 return;
303 228
304 if (!op->is_armor ()) 229 if (!op->is_armor ())
305 return; 230 return;
306 231
307 mt = name_to_material (op->materialname); 232 mt = name_to_material (op->materialname);
308 if (!mt) 233 if (!mt)
309 { 234 {
310 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);
311 return; 236 return;
312 } 237 }
313 238
314 for (j = 0; j < NROFATTACKS; j++) 239 for (j = 0; j < NROFATTACKS; j++)
315 if (op->resist[j] == 0 && change->resist[j] != 0) 240 if (op->resist[j] == 0 && change->resist[j] != 0)
326void 251void
327set_materialname (object *op, int difficulty, materialtype_t *nmt) 252set_materialname (object *op, int difficulty, materialtype_t *nmt)
328{ 253{
329 materialtype_t *mt, *lmt; 254 materialtype_t *mt, *lmt;
330 255
331#ifdef NEW_MATERIAL_CODE
332 int j;
333#endif
334
335 if (op->materialname != NULL) 256 if (!op->materialname)
336 return; 257 return;
337 258
338 259 if (nmt)
339 260 lmt = nmt;
340 if (nmt == NULL) 261 else
341 { 262 {
342 lmt = NULL; 263 lmt = 0;
343#ifndef NEW_MATERIAL_CODE 264
344 for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next) 265 for (mt = materialt; mt; mt = mt->next)
345 { 266 if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
346 if (op->material & mt->material) 267 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
347 { 268 {
348 lmt = mt; 269 lmt = mt;
270 if (!(op->is_weapon () || op->is_armor ()))
349 break; 271 break;
350 } 272 }
351 }
352
353#else
354 for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)
355 {
356 if (op->material & mt->material && rndm (1, 100) <= mt->chance &&
357 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
358 {
359 lmt = mt;
360 if (!(op->is_weapon () || op->is_armor ()))
361 break;
362 }
363 }
364#endif
365 }
366 else
367 { 273 }
368 lmt = nmt; 274
275 if (lmt)
369 } 276 {
370
371 if (lmt != NULL)
372 {
373#ifndef NEW_MATERIAL_CODE
374 op->materialname = lmt->name;
375 return;
376#else
377
378 if (op->stats.dam && op->is_weapon ()) 277 if (op->stats.dam && op->is_weapon ())
379 { 278 {
380 op->stats.dam += lmt->damage; 279 op->stats.dam += lmt->damage;
381 if (op->stats.dam < 1) 280 if (op->stats.dam < 1)
382 op->stats.dam = 1; 281 op->stats.dam = 1;
383 } 282 }
283
384 if (op->stats.sp && op->type == BOW) 284 if (op->stats.sp && op->type == BOW)
385 op->stats.sp += lmt->sp; 285 op->stats.sp += lmt->sp;
386 if (op->stats.wc && op->is_weapon ()) 286 if (op->stats.wc && op->is_weapon ())
387 op->stats.wc += lmt->wc; 287 op->stats.wc += lmt->wc;
388 if (op->is_armor ()) 288 if (op->is_armor ())
389 { 289 {
390 if (op->stats.ac) 290 if (op->stats.ac)
391 op->stats.ac += lmt->ac; 291 op->stats.ac += lmt->ac;
292
392 for (j = 0; j < NROFATTACKS; j++) 293 for (int j = 0; j < NROFATTACKS; j++)
393 if (op->resist[j] != 0) 294 if (op->resist[j] != 0)
394 { 295 {
395 op->resist[j] += lmt->mod[j]; 296 op->resist[j] += lmt->mod[j];
396 if (op->resist[j] > 100) 297 if (op->resist[j] > 100)
397 op->resist[j] = 100; 298 op->resist[j] = 100;
398 if (op->resist[j] < -100) 299 if (op->resist[j] < -100)
399 op->resist[j] = -100; 300 op->resist[j] = -100;
400 } 301 }
401 } 302 }
303
402 op->materialname = add_string (lmt->name); 304 op->materialname = lmt->name;
403 /* dont make it unstackable if it doesn't need to be */ 305 /* dont make it unstackable if it doesn't need to be */
404 if (op->is_weapon () || op->is_armor ()) 306 if (op->is_weapon () || op->is_armor ())
405 { 307 {
406 op->weight = (op->weight * lmt->weight) / 100; 308 op->weight = (op->weight * lmt->weight) / 100;
407 op->value = (op->value * lmt->value) / 100; 309 op->value = (op->value * lmt->value) / 100;
408 } 310 }
409#endif
410 } 311 }
411} 312}
412 313
413/* 314/*
414 * Strip out the media tags from a String. 315 * Strip out the media tags from a String.
509 * 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
510 * 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.
511 * This function will also strip all trailing non alphanumeric characters. 412 * This function will also strip all trailing non alphanumeric characters.
512 * It does not insert an oxford comma. 413 * It does not insert an oxford comma.
513 */ 414 */
514
515void 415void
516make_list_like (char *input) 416make_list_like (char *input)
517{ 417{
518 char *p, tmp[MAX_BUF]; 418 char *p, tmp[MAX_BUF];
519 int i; 419 int i;
544 return; 444 return;
545} 445}
546 446
547///////////////////////////////////////////////////////////////////////////// 447/////////////////////////////////////////////////////////////////////////////
548 448
449void
450fork_abort (const char *msg)
451{
452 if (!fork ())
453 {
454 signal (SIGINT , SIG_IGN);
455 signal (SIGTERM, SIG_IGN);
456 signal (SIGABRT, SIG_IGN);
457
458 signal (SIGSEGV, SIG_DFL);
459 signal (SIGBUS , SIG_DFL);
460 signal (SIGILL , SIG_DFL);
461 signal (SIGTRAP, SIG_DFL);
462
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
467 // try to detach us from as many external dependencies as possible
468 // as coredumping can take time by closing all fd's.
469 {
470 struct rlimit lim;
471
472 if (getrlimit (RLIMIT_NOFILE, &lim))
473 lim.rlim_cur = 1024;
474
475 for (int i = 0; i < lim.rlim_cur; ++i)
476 close (i);
477 }
478
479 {
480 sigset_t empty;
481 sigemptyset (&empty);
482 sigprocmask (SIG_SETMASK, &empty, 0);
483 }
484
485 // try to coredump with SIGTRAP
486 kill (getpid (), SIGTRAP);
487 abort ();
488 }
489
490 LOG (llevError, "fork abort: %s\n", msg);
491}
492
549void *salloc_ (int n) throw (std::bad_alloc) 493void *salloc_ (int n) throw (std::bad_alloc)
550{ 494{
551 void *ptr = g_slice_alloc (n); 495 void *ptr = g_slice_alloc (n);
552 496
553 if (!ptr) 497 if (!ptr)
554 throw std::bad_alloc (); 498 throw std::bad_alloc ();
555 499
500 slice_alloc += n;
556 return ptr; 501 return ptr;
557} 502}
558 503
559void *salloc_ (int n, void *src) throw (std::bad_alloc) 504void *salloc_ (int n, void *src) throw (std::bad_alloc)
560{ 505{
566 memset (ptr, 0, n); 511 memset (ptr, 0, n);
567 512
568 return ptr; 513 return ptr;
569} 514}
570 515
516/******************************************************************************/
517
518#if DEBUG_SALLOC
519
520#define MAGIC 0xa1b2c35543deadLL
521
522void *g_slice_alloc (unsigned long size)
523{
524 unsigned long *p = (unsigned long *) (g_slice_alloc)(size + sizeof (unsigned long));
525 *p++ = size ^ MAGIC;
526 //fprintf (stderr, "g_slice_alloc %ld %p\n", size, p);//D
527 return (void *)p;
528}
529
530void *g_slice_alloc0 (unsigned long size)
531{
532 return memset (g_slice_alloc (size), 0, size);
533}
534
535void g_slice_free1 (unsigned long size, void *ptr)
536{
537 //fprintf (stderr, "g_slice_free %ld %p\n", size, ptr);//D
538 if (expect_true (ptr))
539 {
540 unsigned long *p = (unsigned long *)ptr;
541 unsigned long s = *--p ^ MAGIC;
542
543 if (size != (unsigned long)(*p ^ MAGIC))
544 {
545 LOG (logBacktrace | llevError, "slice free size (%lx) doesn't match alloc size (%lx)\n", size, s);
546 abort ();
547 }
548
549 *p = MAGIC;
550
551 (g_slice_free1)(s + sizeof (unsigned long), p);
552 }
553}
554
555#endif
556
557/******************************************************************************/
558
571void assign (char *dst, const char *src, int maxlen) 559void assign (char *dst, const char *src, int maxlen)
572{ 560{
573 if (!src) 561 if (!src)
574 src = ""; 562 src = "";
575 563
590 } 578 }
591 else 579 else
592 memcpy (dst, src, len + 1); 580 memcpy (dst, src, len + 1);
593} 581}
594 582
583const char *
584format (const char *format, ...)
585{
586 static dynbuf_text buf;
587
588 buf.clear ();
589
590 va_list ap;
591 va_start (ap, format);
592 buf.vprintf (format, ap);
593 va_end (ap);
594
595 return buf;
596}
597
595tstamp now () 598tstamp now ()
596{ 599{
597 struct timeval tv; 600 struct timeval tv;
598 601
599 gettimeofday (&tv, 0); 602 gettimeofday (&tv, 0);
608 611
609 int diff = (b - a) & 7; 612 int diff = (b - a) & 7;
610 return diff <= 1 || diff >= 7; 613 return diff <= 1 || diff >= 7;
611} 614}
612 615
616/* crc32 0xdebb20e3 table and supplementary functions. */
617extern const uint32_t crc_32_tab[256] =
618{
619 0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,
620 0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL,
621 0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL,
622 0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL,
623 0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL,
624 0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL,
625 0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL,
626 0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL,
627 0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL,
628 0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL,
629 0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL,
630 0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL,
631 0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL,
632 0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL,
633 0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL,
634 0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL,
635 0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL,
636 0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL,
637 0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL,
638 0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL,
639 0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL,
640 0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL,
641 0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL,
642 0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL,
643 0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL,
644 0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL,
645 0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL,
646 0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL,
647 0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL,
648 0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL,
649 0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL,
650 0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL,
651 0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL,
652 0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL,
653 0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL,
654 0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL,
655 0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL,
656 0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL,
657 0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL,
658 0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL,
659 0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL,
660 0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL,
661 0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL,
662 0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL,
663 0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL,
664 0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL,
665 0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL,
666 0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL,
667 0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL,
668 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
669 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
670 0x2d02ef8dL
671};
672
673void thread::start (void *(*start_routine)(void *), void *arg)
674{
675 pthread_attr_t attr;
676
677 pthread_attr_init (&attr);
678 pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
679 pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096
680 ? sizeof (long) * 4096 : PTHREAD_STACK_MIN);
681#ifdef PTHREAD_SCOPE_PROCESS
682 pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
683#endif
684
685 sigset_t fullsigset, oldsigset;
686 sigfillset (&fullsigset);
687
688 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
689
690 if (pthread_create (&id, &attr, start_routine, arg))
691 cleanup ("unable to create a new thread");
692
693 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
694}
695

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines