[ViewVC] Diff of: cvs/deliantra/server/common/utils.C

Comparing deliantra/server/common/utils.C (file contents):
Revision 1.37 by root, Mon Jan 15 02:39:40 2007 UTC vs.
Revision 1.84 by root, Tue Dec 30 07:24:16 2008 UTC

…		…
1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3		3	*
4	Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	Copyright (C) 2002 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7		7	*
8	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
9	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
10	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
11	(at your option) any later version.	11	* (at your option) any later version.
12		12	*
13	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	GNU General Public License for more details.	16	* GNU General Public License for more details.
17		17	*
18	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
19	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
21		21	* The authors can be reached via e-mail to <support@deliantra.net>
22	The authors can be reached via e-mail at <crossfire@schmorp.de>
23	*/	22	*/
24		23
25	/*	24	/*
26	* General convenience functions for crossfire.	25	* General convenience functions for crossfire.
27	*/	26	*/
28		27
32	#include <sys/time.h>	31	#include <sys/time.h>
33	#include <time.h>	32	#include <time.h>
34	#include <signal.h>	33	#include <signal.h>
35		34
36	#include <global.h>	35	#include <global.h>
37	#include <funcpoint.h>
38	#include <material.h>	36	#include <material.h>
39		37
		38	#include <sys/time.h>
		39	#include <sys/resource.h>
		40
40	#include <glib.h>	41	#include <glib.h>
		42
		43	refcnt_base::refcnt_t refcnt_dummy;
		44	ssize_t slice_alloc;
		45	rand_gen rndm, rmg_rndm;
		46
		47	void
		48	tausworthe_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	next ();
		57	}
		58
		59	uint32_t
		60	tausworthe_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
		70	template<class generator>
		71	uint32_t
		72	random_number_generator<generator>::get_range (uint32_t num)
		73	{
		74	return (this->next () * (uint64_t)num) >> 32U;
		75	}
		76
		77	// return a number within (min .. max)
		78	template<class generator>
		79	int
		80	random_number_generator<generator>::get_range (int r_min, int r_max)
		81	{
		82	return r_min + get_range (max (r_max - r_min + 1, 0));
		83	}
		84
		85	template struct random_number_generator<tausworthe_random_generator>;
		86	template struct random_number_generator<xorshift_random_generator>;
41		87
42	/*	88	/*
43	* The random functions here take luck into account when rolling random	89	* The random functions here take luck into account when rolling random
44	* dice or numbers. This function has less of an impact the larger the	90	* dice or numbers. This function has less of an impact the larger the
45	* difference becomes in the random numbers. IE, the effect is lessened	91	* difference becomes in the random numbers. IE, the effect is lessened
…		…
52	* Roll a random number between min and max. Uses op to determine luck,	98	* Roll a random number between min and max. Uses op to determine luck,
53	* and if goodbad is non-zero, luck increases the roll, if zero, it decreases.	99	* and if goodbad is non-zero, luck increases the roll, if zero, it decreases.
54	* Generally, op should be the player/caster/hitter requesting the roll,	100	* Generally, op should be the player/caster/hitter requesting the roll,
55	* not the recipient (ie, the poor slob getting hit). [garbled 20010916]	101	* not the recipient (ie, the poor slob getting hit). [garbled 20010916]
56	*/	102	*/
57
58	int	103	int
59	random_roll (int min, int max, const object *op, int goodbad)	104	random_roll (int r_min, int r_max, const object *op, int goodbad)
60	{	105	{
61	int omin, diff, luck, base, ran;	106	r_max = max (r_min, r_max);
62		107
63	omin = min;	108	int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */
64	diff = max - min + 1;
65	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
66		109
67	if (max < 1 \|\| diff < 1)
68	{
69	LOG (llevError, "Calling random_roll with min=%d max=%d\n", min, max);
70	return (min); /* avoids a float exception */
71	}
72
73	ran = RANDOM ();
74
75	if (op->type != PLAYER)	110	if (op->type == PLAYER)
76	return ((ran % diff) + min);	111	{
77
78	luck = op->stats.luck;	112	int luck = op->stats.luck;
79	if (RANDOM () % base < MIN (10, abs (luck)))	113
		114	if (rndm (base) < min (10, abs (luck)))
		115	{
		116	//TODO: take luck into account
		117	}
80	{	118	}
81	/* we have a winner */
82	((luck > 0) ? (luck = 1) : (luck = -1));
83	diff -= luck;
84	if (diff < 1)
85	return (omin); /check again /
86	((goodbad) ? (min += luck) : (diff));
87		119
88	return (MAX (omin, MIN (max, (ran % diff) + min)));	120	return rndm (r_min, r_max);
89	}
90	return ((ran % diff) + min);
91	}	121	}
92		122
93	/*	123	/*
94	* This is a 64 bit version of random_roll above. This is needed	124	* This is a 64 bit version of random_roll above. This is needed
95	* for exp loss calculations for players changing religions.	125	* for exp loss calculations for players changing religions.
96	*/	126	*/
97
98	sint64	127	sint64
99	random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)	128	random_roll64 (sint64 r_min, sint64 r_max, const object *op, int goodbad)
100	{	129	{
101	sint64 omin, diff, luck, ran;	130	sint64 omin = r_min;
102	int base;	131	sint64 range = max (0, r_max - r_min + 1);
		132	int base = range > 2 ? 20 : 50; /* d2 and d3 are corner cases */
103		133
104	omin = min;	134	/*
105	diff = max - min + 1;
106	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
107
108	if (max < 1 \|\| diff < 1)
109	{
110	LOG (llevError, "Calling random_roll with min=%" PRId64 " max=%" PRId64 "\n", min, max);
111	return (min); /* avoids a float exception */
112	}
113
114	/* Don't know of a portable call to get 64 bit random values.
115	* So make a call to get two 32 bit random numbers, and just to	135	* Make a call to get two 32 bit unsigned random numbers, and just to
116	* a little byteshifting. Do make sure the first one is only	136	* a little bitshifting.
117	* 32 bit, so we don't get skewed results
118	*/	137	*/
119	ran = (RANDOM () & 0xffffffff) \| ((sint64) RANDOM () << 32);	138	sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31);
120		139
121	if (op->type != PLAYER)	140	if (op->type != PLAYER)
122	return ((ran % diff) + min);	141	return ((ran % range) + r_min);
123		142
124	luck = op->stats.luck;	143	int luck = op->stats.luck;
		144
125	if (RANDOM () % base < MIN (10, abs (luck)))	145	if (rndm (base) < min (10, abs (luck)))
126	{	146	{
127	/* we have a winner */	147	/* we have a winner */
128	((luck > 0) ? (luck = 1) : (luck = -1));	148	((luck > 0) ? (luck = 1) : (luck = -1));
129	diff -= luck;	149	range -= luck;
130	if (diff < 1)	150	if (range < 1)
131	return (omin); /check again /	151	return (omin); /check again /
		152
132	((goodbad) ? (min += luck) : (diff));	153	((goodbad) ? (r_min += luck) : (range));
133		154
134	return (MAX (omin, MIN (max, (ran % diff) + min)));	155	return (max (omin, min (r_max, (ran % range) + r_min)));
135	}	156	}
136	return ((ran % diff) + min);	157
		158	return ran % range + r_min;
137	}	159	}
138		160
139	/*	161	/*
140	* Roll a number of dice (2d3, 4d6). Uses op to determine luck,	162	* Roll a number of dice (2d3, 4d6). Uses op to determine luck,
141	* If goodbad is non-zero, luck increases the roll, if zero, it decreases.	163	* If goodbad is non-zero, luck increases the roll, if zero, it decreases.
142	* Generally, op should be the player/caster/hitter requesting the roll,	164	* Generally, op should be the player/caster/hitter requesting the roll,
143	* not the recipient (ie, the poor slob getting hit).	165	* not the recipient (ie, the poor slob getting hit).
144	* The args are num D size (ie 4d6) [garbled 20010916]	166	* The args are num D size (ie 4d6) [garbled 20010916]
145	*/	167	*/
146
147	int	168	int
148	die_roll (int num, int size, const object *op, int goodbad)	169	die_roll (int num, int size, const object *op, int goodbad)
149	{	170	{
150	int min, diff, luck, total, i, gotlucky, base, ran;	171	int min, luck, total, i, gotlucky;
151		172
152	diff = size;	173	int diff = size;
153	min = 1;	174	min = 1;
154	luck = total = gotlucky = 0;	175	luck = total = gotlucky = 0;
155	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */	176	int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
		177
156	if (size < 2 \|\| diff < 1)	178	if (size < 2 \|\| diff < 1)
157	{	179	{
158	LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);	180	LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);
159	return (num); /* avoids a float exception */	181	return num; /* avoids a float exception */
160	}	182	}
161		183
162	if (op->type == PLAYER)	184	if (op->type == PLAYER)
163	luck = op->stats.luck;	185	luck = op->stats.luck;
164		186
165	for (i = 0; i < num; i++)	187	for (i = 0; i < num; i++)
166	{	188	{
167	if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky)	189	if (rndm (base) < MIN (10, abs (luck)) && !gotlucky)
168	{	190	{
169	/* we have a winner */	191	/* we have a winner */
170	gotlucky++;	192	gotlucky++;
171	((luck > 0) ? (luck = 1) : (luck = -1));	193	((luck > 0) ? (luck = 1) : (luck = -1));
172	diff -= luck;	194	diff -= luck;
173	if (diff < 1)	195	if (diff < 1)
174	return (num); /check again /	196	return (num); /check again /
175	((goodbad) ? (min += luck) : (diff));	197	((goodbad) ? (min += luck) : (diff));
176	ran = RANDOM ();
177	total += MAX (1, MIN (size, (ran % diff) + min));	198	total += MAX (1, MIN (size, rndm (diff) + min));
178	}	199	}
179	else	200	else
180	{
181	total += RANDOM () % size + 1;	201	total += rndm (size) + 1;
182	}
183	}	202	}
		203
184	return (total);	204	return total;
185	}
186
187	/*
188	* Another convenience function. Returns a number between min and max.
189	* It is suggested one use these functions rather than RANDOM()%, as it
190	* would appear that a number of off-by-one-errors exist due to improper
191	* use of %. This should also prevent SIGFPE.
192	*/
193
194	int
195	rndm (int min, int max)
196	{
197	int diff;
198
199	diff = max - min + 1;
200	if (max < 1 \|\| diff < 1)
201	return (min);
202
203	return (RANDOM () % diff + min);
204	}
205
206	/* decay and destroy perishable items in a map */
207	void
208	maptile::decay_objects ()
209	{
210	if (!spaces)
211	return;
212
213	for (mapspace *ms = spaces + size (); ms-- > spaces; )
214	for (object above, op = ms->bot; op; op = above)
215	{
216	above = op->above;
217
218	bool destroy = 0;
219
220	// do not decay anything above unique floor tiles (yet :)
221	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
222	break;
223
224	if (QUERY_FLAG (op, FLAG_IS_FLOOR)
225	\|\| QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
226	\|\| QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL)
227	\|\| QUERY_FLAG (op, FLAG_UNIQUE)
228	\|\| QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
229	\|\| QUERY_FLAG (op, FLAG_UNPAID)
230	\|\| op->is_alive ())
231	; // do not decay
232	else if (op->is_weapon ())
233	{
234	op->stats.dam--;
235	if (op->stats.dam < 0)
236	destroy = 1;
237	}
238	else if (op->is_armor ())
239	{
240	op->stats.ac--;
241	if (op->stats.ac < 0)
242	destroy = 1;
243	}
244	else if (op->type == FOOD)
245	{
246	op->stats.food -= rndm (5, 20);
247	if (op->stats.food < 0)
248	destroy = 1;
249	}
250	else
251	{
252	int mat = op->material;
253
254	if (mat & M_PAPER
255	\|\| mat & M_LEATHER
256	\|\| mat & M_WOOD
257	\|\| mat & M_ORGANIC
258	\|\| mat & M_CLOTH
259	\|\| mat & M_LIQUID
260	\|\| (mat & M_IRON && rndm (1, 5) == 1)
261	\|\| (mat & M_GLASS && rndm (1, 2) == 1)
262	\|\| ((mat & M_STONE \|\| mat & M_ADAMANT) && rndm (1, 10) == 1)
263	\|\| ((mat & M_SOFT_METAL \|\| mat & M_BONE) && rndm (1, 3) == 1)
264	\|\| (mat & M_ICE && temp > 32))
265	destroy = 1;
266	}
267
268	/* adjust overall chance below */
269	if (destroy && rndm (0, 1))
270	op->destroy ();
271	}
272	}	205	}
273		206
274	/* convert materialname to materialtype_t */	207	/* convert materialname to materialtype_t */
275		208
276	materialtype_t *	209	materialtype_t *
277	name_to_material (const char *name)	210	name_to_material (const shstr_cmp name)
278	{	211	{
279	materialtype_t mt, nmt;	212	for (materialtype_t *mt = materialt; mt; mt = mt->next)
		213	if (name == mt->name)
		214	return mt;
280		215
281	mt = NULL;
282	for (nmt = materialt; nmt != NULL && nmt->next != NULL; nmt = nmt->next)
283	{
284	if (strcmp (name, nmt->name) == 0)
285	{
286	mt = nmt;
287	break;
288	}
289	}
290	return mt;	216	return 0;
291	}	217	}
292		218
293	/* when doing transmutation of objects, we have to recheck the resistances,	219	/* when doing transmutation of objects, we have to recheck the resistances,
294	* as some that did not apply previously, may apply now.	220	* as some that did not apply previously, may apply now.
295	*/	221	*/
296
297	void	222	void
298	transmute_materialname (object op, const object change)	223	transmute_materialname (object op, const object change)
299	{	224	{
300	materialtype_t *mt;	225	materialtype_t *mt;
301	int j;	226	int j;
302		227
303	if (op->materialname == NULL)	228	if (!op->materialname)
304	return;	229	return;
305		230
306	if (change->materialname != NULL && strcmp (op->materialname, change->materialname))	231	if (change->materialname && strcmp (op->materialname, change->materialname))
307	return;	232	return;
308		233
309	if (!op->is_armor ())	234	if (!op->is_armor ())
310	return;	235	return;
311		236
312	mt = name_to_material (op->materialname);	237	mt = name_to_material (op->materialname);
313	if (!mt)	238	if (!mt)
314	{	239	{
315	LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->name, &op->name, &op->materialname);	240	LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->archname, &op->name, &op->materialname);
316	return;	241	return;
317	}	242	}
318		243
319	for (j = 0; j < NROFATTACKS; j++)	244	for (j = 0; j < NROFATTACKS; j++)
320	if (op->resist[j] == 0 && change->resist[j] != 0)	245	if (op->resist[j] == 0 && change->resist[j] != 0)
…		…
331	void	256	void
332	set_materialname (object op, int difficulty, materialtype_t nmt)	257	set_materialname (object op, int difficulty, materialtype_t nmt)
333	{	258	{
334	materialtype_t mt, lmt;	259	materialtype_t mt, lmt;
335		260
336	#ifdef NEW_MATERIAL_CODE
337	int j;
338	#endif
339
340	if (op->materialname != NULL)	261	if (!op->materialname)
341	return;	262	return;
342		263
343		264	if (nmt)
344		265	lmt = nmt;
345	if (nmt == NULL)	266	else
346	{	267	{
347	lmt = NULL;	268	lmt = 0;
348	#ifndef NEW_MATERIAL_CODE	269
349	for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)	270	for (mt = materialt; mt; mt = mt->next)
350	{	271	if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
351	if (op->material & mt->material)	272	difficulty >= mt->difficulty && (op->magic >= mt->magic \|\| mt->magic == 0))
352	{	273	{
353	lmt = mt;	274	lmt = mt;
		275	if (!(op->is_weapon () \|\| op->is_armor ()))
354	break;	276	break;
355	}	277	}
356	}
357
358	#else
359	for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)
360	{
361	if (op->material & mt->material && rndm (1, 100) <= mt->chance &&
362	difficulty >= mt->difficulty && (op->magic >= mt->magic \|\| mt->magic == 0))
363	{
364	lmt = mt;
365	if (!(op->is_weapon () \|\| op->is_armor ()))
366	break;
367	}
368	}
369	#endif
370	}
371	else
372	{	278	}
373	lmt = nmt;	279
		280	if (lmt)
374	}	281	{
375
376	if (lmt != NULL)
377	{
378	#ifndef NEW_MATERIAL_CODE
379	op->materialname = lmt->name;
380	return;
381	#else
382
383	if (op->stats.dam && op->is_weapon ())	282	if (op->stats.dam && op->is_weapon ())
384	{	283	{
385	op->stats.dam += lmt->damage;	284	op->stats.dam += lmt->damage;
386	if (op->stats.dam < 1)	285	if (op->stats.dam < 1)
387	op->stats.dam = 1;	286	op->stats.dam = 1;
388	}	287	}
		288
389	if (op->stats.sp && op->type == BOW)	289	if (op->stats.sp && op->type == BOW)
390	op->stats.sp += lmt->sp;	290	op->stats.sp += lmt->sp;
391	if (op->stats.wc && op->is_weapon ())	291	if (op->stats.wc && op->is_weapon ())
392	op->stats.wc += lmt->wc;	292	op->stats.wc += lmt->wc;
393	if (op->is_armor ())	293	if (op->is_armor ())
394	{	294	{
395	if (op->stats.ac)	295	if (op->stats.ac)
396	op->stats.ac += lmt->ac;	296	op->stats.ac += lmt->ac;
		297
397	for (j = 0; j < NROFATTACKS; j++)	298	for (int j = 0; j < NROFATTACKS; j++)
398	if (op->resist[j] != 0)	299	if (op->resist[j] != 0)
399	{	300	{
400	op->resist[j] += lmt->mod[j];	301	op->resist[j] += lmt->mod[j];
401	if (op->resist[j] > 100)	302	if (op->resist[j] > 100)
402	op->resist[j] = 100;	303	op->resist[j] = 100;
403	if (op->resist[j] < -100)	304	if (op->resist[j] < -100)
404	op->resist[j] = -100;	305	op->resist[j] = -100;
405	}	306	}
406	}	307	}
		308
407	op->materialname = add_string (lmt->name);	309	op->materialname = lmt->name;
408	/* dont make it unstackable if it doesn't need to be */	310	/* dont make it unstackable if it doesn't need to be */
409	if (op->is_weapon () \|\| op->is_armor ())	311	if (op->is_weapon () \|\| op->is_armor ())
410	{	312	{
411	op->weight = (op->weight * lmt->weight) / 100;	313	op->weight = (op->weight * lmt->weight) / 100;
412	op->value = (op->value * lmt->value) / 100;	314	op->value = (op->value * lmt->value) / 100;
413	}	315	}
414	#endif
415	}	316	}
416	}	317	}
417		318
418	/*	319	/*
419	* Strip out the media tags from a String.	320	* Strip out the media tags from a String.
…		…
514	* a 'list' for the purposes here, is a string of items, seperated by commas, except	415	* a 'list' for the purposes here, is a string of items, seperated by commas, except
515	* for the last entry, which has an 'and' before it, and a full stop (period) after it.	416	* for the last entry, which has an 'and' before it, and a full stop (period) after it.
516	* This function will also strip all trailing non alphanumeric characters.	417	* This function will also strip all trailing non alphanumeric characters.
517	* It does not insert an oxford comma.	418	* It does not insert an oxford comma.
518	*/	419	*/
519
520	void	420	void
521	make_list_like (char *input)	421	make_list_like (char *input)
522	{	422	{
523	char *p, tmp[MAX_BUF];	423	char *p, tmp[MAX_BUF];
524	int i;	424	int i;
…		…
552	/////////////////////////////////////////////////////////////////////////////	452	/////////////////////////////////////////////////////////////////////////////
553		453
554	void	454	void
555	fork_abort (const char *msg)	455	fork_abort (const char *msg)
556	{	456	{
		457	if (!fork ())
		458	{
		459	signal (SIGINT , SIG_IGN);
		460	signal (SIGTERM, SIG_IGN);
		461	signal (SIGABRT, SIG_IGN);
		462
		463	signal (SIGSEGV, SIG_DFL);
		464	signal (SIGBUS , SIG_DFL);
		465	signal (SIGILL , SIG_DFL);
		466	signal (SIGTRAP, SIG_DFL);
		467
		468	// try to put corefiles into a subdirectory, if existing, to allow
		469	// an administrator to reduce the I/O load.
		470	chdir ("cores");
		471
		472	// try to detach us from as many external dependencies as possible
		473	// as coredumping can take time by closing all fd's.
		474	{
		475	struct rlimit lim;
		476
		477	if (getrlimit (RLIMIT_NOFILE, &lim))
		478	lim.rlim_cur = 1024;
		479
		480	for (int i = 0; i < lim.rlim_cur; ++i)
		481	close (i);
		482	}
		483
		484	{
		485	sigset_t empty;
		486	sigemptyset (&empty);
		487	sigprocmask (SIG_SETMASK, &empty, 0);
		488	}
		489
		490	// try to coredump with SIGTRAP
		491	kill (getpid (), SIGTRAP);
		492	abort ();
		493	}
		494
557	LOG (llevError, "fork abort: %s\n", msg);	495	LOG (llevError, "fork abort: %s\n", msg);
558	if (!fork ())
559	{
560	signal (SIGABRT, SIG_DFL);
561	abort ();
562	}
563
564	}	496	}
		497
565	void *salloc_ (int n) throw (std::bad_alloc)	498	void *salloc_ (int n) throw (std::bad_alloc)
566	{	499	{
567	void *ptr = g_slice_alloc (n);	500	void *ptr = g_slice_alloc (n);
568		501
569	if (!ptr)	502	if (!ptr)
570	throw std::bad_alloc ();	503	throw std::bad_alloc ();
571		504
		505	slice_alloc += n;
572	return ptr;	506	return ptr;
573	}	507	}
574		508
575	void salloc_ (int n, void src) throw (std::bad_alloc)	509	void salloc_ (int n, void src) throw (std::bad_alloc)
576	{	510	{
…		…
582	memset (ptr, 0, n);	516	memset (ptr, 0, n);
583		517
584	return ptr;	518	return ptr;
585	}	519	}
586		520
		521	/******************************************************************************/
		522
		523	#if DEBUG_SALLOC
		524
		525	#define MAGIC 0xa1b2c35543deadLL
		526
		527	void *g_slice_alloc (unsigned long size)
		528	{
		529	unsigned long p = (unsigned long ) (g_slice_alloc)(size + sizeof (unsigned long));
		530	*p++ = size ^ MAGIC;
		531	//fprintf (stderr, "g_slice_alloc %ld %p\n", size, p);//D
		532	return (void *)p;
		533	}
		534
		535	void *g_slice_alloc0 (unsigned long size)
		536	{
		537	return memset (g_slice_alloc (size), 0, size);
		538	}
		539
		540	void g_slice_free1 (unsigned long size, void *ptr)
		541	{
		542	//fprintf (stderr, "g_slice_free %ld %p\n", size, ptr);//D
		543	if (expect_true (ptr))
		544	{
		545	unsigned long p = (unsigned long )ptr;
		546	unsigned long s = *--p ^ MAGIC;
		547
		548	if (size != (unsigned long)(*p ^ MAGIC))
		549	{
		550	LOG (logBacktrace \| llevError, "slice free size (%lx) doesn't match alloc size (%lx)\n", size, s);
		551	abort ();
		552	}
		553
		554	*p = MAGIC;
		555
		556	(g_slice_free1)(s + sizeof (unsigned long), p);
		557	}
		558	}
		559
		560	#endif
		561
		562	/******************************************************************************/
		563
587	void assign (char dst, const char src, int maxlen)	564	void assign (char dst, const char src, int maxlen)
588	{	565	{
589	if (!src)	566	if (!src)
590	src = "";	567	src = "";
591		568
…		…
606	}	583	}
607	else	584	else
608	memcpy (dst, src, len + 1);	585	memcpy (dst, src, len + 1);
609	}	586	}
610		587
		588	const char *
		589	format (const char *format, ...)
		590	{
		591	static dynbuf_text buf;
		592
		593	buf.clear ();
		594
		595	va_list ap;
		596	va_start (ap, format);
		597	buf.vprintf (format, ap);
		598	va_end (ap);
		599
		600	return buf;
		601	}
		602
611	tstamp now ()	603	tstamp now ()
612	{	604	{
613	struct timeval tv;	605	struct timeval tv;
614		606
615	gettimeofday (&tv, 0);	607	gettimeofday (&tv, 0);
…		…
624		616
625	int diff = (b - a) & 7;	617	int diff = (b - a) & 7;
626	return diff <= 1 \|\| diff >= 7;	618	return diff <= 1 \|\| diff >= 7;
627	}	619	}
628		620
		621	/* crc32 0xdebb20e3 table and supplementary functions. */
		622	extern const uint32_t crc_32_tab[256] =
		623	{
		624	0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,
		625	0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL,
		626	0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL,
		627	0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL,
		628	0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL,
		629	0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL,
		630	0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL,
		631	0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL,
		632	0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL,
		633	0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL,
		634	0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL,
		635	0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL,
		636	0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL,
		637	0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL,
		638	0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL,
		639	0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL,
		640	0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL,
		641	0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL,
		642	0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL,
		643	0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL,
		644	0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL,
		645	0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL,
		646	0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL,
		647	0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL,
		648	0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL,
		649	0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL,
		650	0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL,
		651	0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL,
		652	0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL,
		653	0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL,
		654	0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL,
		655	0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL,
		656	0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL,
		657	0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL,
		658	0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL,
		659	0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL,
		660	0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL,
		661	0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL,
		662	0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL,
		663	0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL,
		664	0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL,
		665	0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL,
		666	0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL,
		667	0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL,
		668	0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL,
		669	0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL,
		670	0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL,
		671	0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL,
		672	0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL,
		673	0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
		674	0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
		675	0x2d02ef8dL
		676	};
		677
		678	void thread::start (void (start_routine)(void ), void arg)
		679	{
		680	pthread_attr_t attr;
		681
		682	pthread_attr_init (&attr);
		683	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
		684	pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096
		685	? sizeof (long) * 4096 : PTHREAD_STACK_MIN);
		686	#ifdef PTHREAD_SCOPE_PROCESS
		687	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
		688	#endif
		689
		690	sigset_t fullsigset, oldsigset;
		691	sigfillset (&fullsigset);
		692
		693	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
		694
		695	if (pthread_create (&id, &attr, start_routine, arg))
		696	cleanup ("unable to create a new thread");
		697
		698	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
		699	}
		700

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Comparing deliantra/server/common/utils.C (file contents): Revision 1.37 by root, Mon Jan 15 02:39:40 2007 UTC vs. Revision 1.84 by root, Tue Dec 30 07:24:16 2008 UTC

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Comparing deliantra/server/common/utils.C (file contents):
Revision 1.37 by root, Mon Jan 15 02:39:40 2007 UTC vs.
Revision 1.84 by root, Tue Dec 30 07:24:16 2008 UTC